(19)
(11)EP 3 197 221 B1

(12)EUROPEAN PATENT SPECIFICATION

(45)Mention of the grant of the patent:
29.07.2020 Bulletin 2020/31

(21)Application number: 14904933.0

(22)Date of filing:  31.10.2014
(51)International Patent Classification (IPC): 
H04W 72/04(2009.01)
H04W 16/10(2009.01)
H04L 12/26(2006.01)
H04W 72/02(2009.01)
(86)International application number:
PCT/CN2014/090115
(87)International publication number:
WO 2016/065641 (06.05.2016 Gazette  2016/18)

(54)

ACCESS METHOD AND DEVICE

ZUGRIFFSVERFAHREN UND -VORRICHTUNG

PROCÉDÉ D'ACCÈS ET DISPOSITIF


(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(43)Date of publication of application:
26.07.2017 Bulletin 2017/30

(73)Proprietor: Huawei Technologies Co., Ltd.
Longgang District Shenzhen, Guangdong 518129 (CN)

(72)Inventor:
  • WANG, Bin
    Shenzhen Guangdong 518129 (CN)

(74)Representative: Pfenning, Meinig & Partner mbB 
Patent- und Rechtsanwälte Theresienhöhe 11a
80339 München
80339 München (DE)


(56)References cited: : 
EP-A1- 2 750 468
WO-A2-2014/117135
CN-A- 101 711 032
CN-A- 102 958 182
US-A1- 2013 279 376
US-A1- 2014 148 191
WO-A1-2014/012244
CN-A- 1 901 398
CN-A- 102 917 456
CN-A- 103 648 101
US-A1- 2013 286 960
  
      
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).


    Description

    TECHNICAL FIELD



    [0001] The present invention relates to the field of wireless communications technologies, and in particular, to an access method and device.

    BACKGROUND



    [0002] With development of wireless communications technologies, various wireless application requirements increase rapidly, and importance of spectrum resources attracts ever-increasing attention. A static spectrum allocation strategy used in a current stage causes low spectrum resource utilization.

    [0003] Recently, a secondary use method of a "licensed frequency band" draws extensive attention, and is an effective way to implement dynamic spectrum access (English: Dynamic Spectrum Access, DSA for short). The dynamic spectrum access means that a secondary user terminal detects an available spectrum hole by spectrum sensing, and accesses a spectrum in a manner of opportunistic access. The secondary user terminal refers to an unlicensed user terminal.

    [0004] When accessing a network, the secondary user terminal usually uses a preset subcarrier mode. In this way, the user terminal enables all or most of antenna channels according to the preset subcarrier mode, and accesses the network by using enabled antenna channels. However, in this case, the enabled antenna channels are far more than a service requirement, thereby easily causing a waste of the spectrum resources.

    [0005] US 2013/279376 A1 describes methods and apparatus for dynamic sharing of resources such as radio frequency (RF) spectrum in a wireless system. In one embodiment, the sharing is conducted among a number of base stations (e.g., eNodeBs or Access Points (APs)), or among different radio access technologies (RATs). In one implementation, the sharing is accomplished through reservation of new RF carriers, and temporary assignment (and release) of one or more RF carriers to the multi-carrier enabled radio access systems or base stations. Such dynamic spectrum sharing allows opportunistic use of additional RF carriers in a multi-carrier system as opposed to permanent availability to the eNodeB or AP regardless of their effective usage.

    [0006] In US 2014/148191 A1 a communication method, a multimode terminal, a base station, and a system are disclosed, in order to implement communication based on an unlicensed band protocol standard and avoid interference to licensed users. The method includes: obtaining, by a first multimode terminal from a licensed band network, a licensed band resource that can be used in opportunistic spectrum access mode, and communicating, by the first multimode mode, with a second multimode terminal on the licensed band resource using an unlicensed band protocol standard.

    [0007] WO/2014/012244 A1 describes a method comprising assigning a first direct resource of a radio interface to a first vehicle-to-vehicle service based on a resource information received from a base station in a cellular mode via a cellular resource of the radio interface, wherein, in the resource information, the first direct resource and the first vehicle-to-vehicle service are indicated as being correlated, and the first vehicle-to-vehicle service is to be used or to be provided by at least a first one of one or more vehicle devices, and wherein, in the cellular mode, a communication of an apparatus performing the method with each of the one or more vehicle devices different from the apparatus is performed via the base station; performing the first vehicle-to-vehicle service via the first direct resource in a vehicle-to-vehicle mode, wherein, in the vehicle-to-vehicle mode, the communication of the apparatus with each of the one or more vehicle devices is performed directly with the respective vehicle device and does not involve the base station.

    [0008] In US 2013/286960 A1 a base stations (BS) are configured to perform a coordinated transmission to at least one user equipment (UE). The BS includes a plurality of antenna configured to communicate with the UE. The BS also includes processing circuitry coupled to the plurality of antennas and configured to transmit physical downlink control channel (PDCCH) to the at least one user equipment. The UE includes a plurality of antennas configured to communicate with the BS. The UE also includes a processing circuitry coupled to the plurality of antennas and configured to receive PDCCH from the BS. The PDCCH is included in one or more transmit (Tx) beams. A Tx beam is defined by the cell specific reference signal (CRS) transmitted through the Tx beam. A Tx beam is configured to carry a beam identifier, and the PDCCH is configured to include resource allocation information for the user equipment. Documents WO/2014/117135 and EP2750468 are also prior art documents describing user terminal access methods.

    SUMMARY



    [0009] The above problems are solved by the subject-matter according to the independent claims. In view of this, embodiments of the present invention provide an access method and device, to resolve a current existing problem of a waste of spectrum resources during dynamic spectrum access used by a secondary user terminal.

    [0010] According to a first aspect of the present invention, an access method is provided, including:

    sending, by a user terminal, a carrier extension request to a base station when a current service resource demand is greater than a specified threshold, where the carrier extension request is used to request the base station to allocate an available spectrum resource;

    receiving, by the user terminal, the available spectrum resource sent by the base station;

    obtaining through calculation, by the user terminal according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enabling antenna channels (an antenna channel or antenna channels) corresponding to the quantity of antenna channels; and

    sending, by the user terminal, an access request to the base station, where the access request carries the antenna channels that are to be enabled by the user terminal.



    [0011] With reference to a possible implementation manner of the first aspect of the present invention, in a first possible implementation manner, that the user terminal determines the current service resource demand includes:

    determining, by the user terminal, a service throughput rate of a current service in a specified period, where the service throughput rate is used to represent an amount of data transmitted between the user terminal and the base station per unit of time; and

    the sending, by a user terminal, a carrier extension request to a base station includes:
    sending, by the user terminal, the carrier extension request to the base station when it is determined that the service throughput rate is greater than the specified threshold.



    [0012] With reference to the first possible implementation manner of the first aspect of the present invention, in a second possible implementation manner, the obtaining through calculation, by the user terminal according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled includes:

    obtaining through calculation, by the user terminal according to the service throughput rate and a maximum bandwidth of the available spectrum resource, a minimum quantity of antenna channels that need to be enabled; and

    the enabling, by the user terminal, an antenna channel corresponding to the quantity of antenna channels includes:
    enabling, by the user terminal, the antenna channel according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.



    [0013] With reference to the possible implementation manner of the first aspect of the present invention, or the first possible implementation manner of the first aspect of the present invention, or the second possible implementation manner of the first aspect of the present invention, in a third possible implementation manner, the method further includes:
    sending, by the user terminal, an available spectrum resource release request to the base station when the service is completed, where the available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.

    [0014] With reference to the possible implementation manner of the first aspect of the present invention, or the first possible implementation manner of the first aspect of the present invention, or the second possible implementation manner of the first aspect of the present invention, or the third possible implementation manner of the first aspect of the present invention, in a fourth possible implementation manner, the method further includes:
    starting, by the user terminal, a timer when the current service resource demand is less than or equal to the specified threshold, where the timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.

    [0015] According to a second aspect of the present invention, an access device is provided, including:

    a sending module, configured to send a carrier extension request to a base station when a current service resource demand is greater than a specified threshold, where the carrier extension request is used to request the base station to allocate an available spectrum resource;

    a receiving module, configured to receive the available spectrum resource sent by the base station;

    an antenna enablement module, configured to obtain through calculation, according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enable an antenna channel corresponding to the quantity of antenna channels; and

    an access module, configured to send an access request to the base station, where the access request carries the antenna channel that is to be enabled by the user terminal.



    [0016] With reference to a possible implementation manner of the second aspect of the present invention, in a first possible implementation manner, the sending module that determines the current service resource demand is specifically configured to:

    determine a service throughput rate of a current service in a specified period, where the service throughput rate is used to represent an amount of data transmitted between the user terminal and the base station per unit of time; and

    the sending module that sends the carrier extension request to the base station is specifically configured to:
    send the carrier extension request to the base station when it is determined that the service throughput rate is greater than the specified threshold.



    [0017] With reference to the first possible implementation manner of the second aspect of the present invention, in a second possible implementation manner, the antenna enablement module that obtains through calculation, according to the current service resource demand and the available spectrum resource, the quantity of antenna channels that need to be enabled is specifically configured to:

    obtain through calculation, according to the service throughput rate and a maximum bandwidth of the available spectrum resource, a minimum quantity of antenna channels that need to be enabled; and

    the antenna enablement module that enables the antenna channel corresponding to the quantity of antenna channels is specifically configured to:
    enable the antenna channel according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.



    [0018] With reference to the possible implementation manner of the second aspect of the present invention, or the first possible implementation manner of the second aspect of the present invention, or the second possible implementation manner of the second aspect of the present invention, in a third possible implementation manner, the access device further includes:
    sending, by the user terminal, an available spectrum resource release request to the base station when the service is completed, where the available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.

    [0019] With reference to the possible implementation manner of the second aspect of the present invention, or the first possible implementation manner of the second aspect of the present invention, or the second possible implementation manner of the second aspect of the present invention, or the third possible implementation manner of the second aspect of the present invention, in a fourth possible implementation manner, the access device further includes a timing starting module, where:
    the timing starting module is configured to start a timer when the current service resource demand is less than or equal to the specified threshold, where the timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.

    [0020] According to a third aspect of the present invention, an access device is provided, where the access device includes a signal transmitter, a processor, and a signal receiver, where:

    the signal transmitter is configured to send a carrier extension request to a base station when a current service resource demand is greater than a specified threshold, where the carrier extension request is used to request the base station to allocate an available spectrum resource;

    the signal receiver is configured to receive the available spectrum resource sent by the base station;

    the processor is configured to obtain through calculation, according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enable an antenna channel corresponding to the quantity of antenna channels; and

    the signal transmitter is further configured to send an access request to the base station, where the access request carries the antenna channel that is to be enabled by the user terminal.



    [0021] With reference to a possible implementation manner of the third aspect of the present invention, in a first possible implementation manner, the processor that determines the current service resource demand is specifically configured to:

    determine a service throughput rate of a current service in a specified period, where the service throughput rate is used to represent an amount of data transmitted between the user terminal and the base station per unit of time; and

    the signal transmitter that sends the carrier extension request to the base station is specifically configured to:
    send the carrier extension request to the base station when it is determined that the service throughput rate is greater than the specified threshold.



    [0022] With reference to the first possible implementation manner of the third aspect of the present invention, in a second possible implementation manner, the processor that obtains through calculation, according to the current service resource demand and the available spectrum resource, the quantity of antenna channels that need to be enabled is specifically configured to:

    obtain through calculation, according to the service throughput rate and a maximum bandwidth of the available spectrum resource, a minimum quantity of antenna channels that need to be enabled; and

    the processor that enables the antenna channel corresponding to the quantity of antenna channels is specifically configured to:
    enable the antenna channel according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.



    [0023] With reference to the possible implementation manner of the third aspect of the present invention, or the first possible implementation manner of the third aspect of the present invention, or the second possible implementation manner of the third aspect of the present invention, in a third possible implementation manner, the signal transmitter is further configured to:
    send an available spectrum resource release request to the base station when the service is completed, where the available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.

    [0024] With reference to the possible implementation manner of the third aspect of the present invention, or the first possible implementation manner of the third aspect of the present invention, or the second possible implementation manner of the third aspect of the present invention, or the third possible implementation manner of the third aspect of the present invention, in a fourth possible implementation manner, the processor is further configured to:
    start a timer when the current service resource demand is less than or equal to the specified threshold, where the timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.

    [0025] Beneficial effects are as follows:
    In the embodiments of the present invention, when a current service resource demand is greater than a specified threshold, a user terminal sends a carrier extension request to a base station, where the carrier extension request is used to request the base station to allocate an available spectrum resource; receives the available spectrum resource sent by the base station; obtains through calculation, according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enables an antenna channel corresponding to the quantity of antenna channels; and sends an access request to the base station, where the access request carries the antenna channel that is to be enabled by the user terminal. The user terminal requests the available spectrum resource from the base station according to the current service resource demand, so that the base station performs resource scheduling with effectively reduced complexity, and resource scheduling becomes fairer. In addition, the user terminal obtains through calculation, according to the current service resource demand and the available spectrum resource, the quantity of antenna channels that need to be enabled, and enables an appropriate antenna channel, thereby reducing power consumption of an antenna system of the user terminal when a service requirement is met, and saving energy.

    BRIEF DESCRIPTION OF DRAWINGS



    [0026] To describe the technical solutions in the embodiments of the present invention more clearly, the following briefly describes the accompanying drawings required for describing the embodiments. Apparently, the accompanying drawings in the following description show merely some embodiments of the present invention, and persons of ordinary skill in the art may still derive other drawings from these accompanying drawings without creative efforts.

    FIG. 1 is a schematic flowchart of an access method according to Embodiment 1 of the present invention;

    FIG. 2 is a schematic flowchart of an access method according to Embodiment 2 of the present invention;

    FIG. 3 is a schematic structural diagram of an access device according to Embodiment 3 of the present invention; and

    FIG. 4 is a schematic structural diagram of an access device according to Embodiment 4 of the present invention.


    DESCRIPTION OF EMBODIMENTS



    [0027] The following describes the embodiments of the present invention in detail with reference to accompanying drawings. Apparently, the described embodiments are merely some but not all of the embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

    Embodiment 1



    [0028] As shown in FIG. 1, FIG. 1 is a schematic flowchart of an access method according to Embodiment 1 of the present invention. The method may be described as follows:
    Step 101: A user terminal sends a carrier extension request to a base station when a current service resource demand is greater than a specified threshold.

    [0029] The carrier extension request is used to request the base station to allocate an available spectrum resource.

    [0030] In step 101, the user terminal pre-estimates the current service resource demand. For example, the user terminal pre-estimates a time required to complete a current service and a service throughput rate for performing the current service.

    [0031] The service throughput rate is used to represent an amount of data transmitted between the user terminal and the base station per unit of time.

    [0032] The user terminal sends the carrier extension request to the base station when it is determined that the estimated service throughput rate is greater than the specified threshold.

    [0033] For example, a current service is downloading an application (100M) from a network side, and the user terminal pre-estimates a service throughput rate for currently performing the downloading service, such as a service throughput rate of 100 Kbit/s.

    [0034] The pre-estimated service throughput rate is compared with the specified threshold. When the pre-estimated service throughput rate is greater than the specified threshold, it indicates that spectrum resources allocated to the user terminal are relatively strained, and an available spectrum resource needs to be requested from the base station, so as to meet a requirement for downloading the current service. In this case, the carrier extension request is sent to the base station.

    [0035] In this way, the user terminal sends the carrier extension request to the base station according to a resource demand of the user terminal, so that the base station performs resource scheduling according to a user terminal requirement, and resource scheduling becomes fairer and less complex. Wasting resulting from allocating more resources to some user terminals and uneven resource allocation resulting from allocating a fewer resources to some user terminals are avoided.

    [0036] When the pre-estimated service throughput rate is not greater than the specified threshold, it indicates that spectrum resources allocated to the user terminal are relatively sufficient, and a requirement for downloading the current service can be met. In this case, the user terminal stops channel measurement of an extended carrier, thereby saving energy consumption of the user terminal.

    [0037] It should be noted that a value of the specified threshold may be set according to different services, or may be set according to an actual requirement. The value of the specified threshold is not limited herein.

    [0038] Step 102: The user terminal receives an available spectrum resource sent by the base station.

    [0039] In step 102, when receiving the carrier extension request sent by the user terminal, the base station determines a spectrum resource that is in an idle state or that can be allocated to the user terminal, and sends, to the user terminal, the determined spectrum resource that is used as the available spectrum resource.

    [0040] The available spectrum resource may include at least one of a quantity of available extended carriers, a bandwidth of the available spectrum resource, a frequency channel number, a center frequency of the available spectrum resource, or the like.

    [0041] Step 103: The user terminal obtains through calculation, according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enables an antenna channel corresponding to the quantity of antenna channels.

    [0042] In step 103, when receiving the available spectrum resource sent by the base station, the user terminal obtains through calculation, according to the current service resource demand and the bandwidth of the available spectrum resource, the quantity of antenna channels that need to be enabled.

    [0043] Specifically, the quantity of antenna channels that need to be enabled is obtained through calculation according to the service throughput rate of the current service and the bandwidth of the available spectrum resource.

    [0044] When the service throughput rate remains unchanged, using a greater bandwidth saves more energy than using more antennas and radio frequency channels.

    [0045] A commercial TRX chip 2.4 GHz, TDD LTE DL is used as an example. As shown in Table 1, Table 1 shows a relationship among bandwidth, an antenna channel, and energy consumption.
    Table 1
    Channel/bandwidthConsumed currentTheoretical DL rate
    2 RX/40 MHz 445 x 2 = 890 mA 200 Mbps
    4 RX/20 MHz 390 x 4 = 1560 mA 200 Mbps


    [0046] It may be learned from Table 1 that, when the service throughput rate is 200 Mbps, if the bandwidth is 40 MHz and two antenna channels are enabled, the consumed current is 890 mA; or if the bandwidth is 20 MHz and four antenna channels are enabled, the consumed current is 1560 mA.

    [0047] If only power consumption of the TRX chip is calculated, power consumption in the 2 RX/40 MHz mode is only 57% of power consumption in the 4 RX/20 MHz mode. If peripheral circuit current consumption is taken into consideration, saved power consumption may reach 50%.

    [0048] That is, when the service throughput rate remains unchanged, a greater bandwidth results in a fewer enabled antenna channels, and less energy consumption.

    [0049] Specifically, the user terminal obtains through calculation, according to the estimated service throughput rate and a maximum bandwidth of the available spectrum resource, a minimum quantity of antenna channels that need to be enabled; and
    enables the antenna channel according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.

    [0050] Step 104: The user terminal sends an access request to the base station, where the access request carries the antenna channel that is to be enabled by the user terminal.

    [0051] In step 104, the user terminal sends the access request that carries the enabled antenna channel to the base station, so that the base station determines, according to the antenna channel enabled by the user terminal, a transmission resource for communication with the user terminal, and establishes a communications connection with the user terminal by using the transmission resource.

    [0052] Optionally, the method further includes:
    sending, by the user terminal, an available spectrum resource release request to the base station when the service is completed.

    [0053] The available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.

    [0054] Optionally, the method further includes:
    starting, by the user terminal, a timer when the current service resource demand is less than or equal to the specified threshold, where the timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.

    [0055] The user terminal may monitor the current service resource demand periodically or aperiodically. When the current service resource demand is less than or equal to the specified threshold, or after the user terminal releases the available spectrum resource allocated by the base station, the user terminal may immediately determine whether to initiate the carrier extension request to the base station, or the user terminal may start the timer, and determine, when the specified time of the timer expires, whether to initiate the carrier extension request to the base station.

    [0056] For example, after the user terminal releases the available spectrum resource allocated by the base station, or when the current service resource demand is less than or equal to the specified threshold, the user terminal starts the timer, and stops channel measurement of the available spectrum resource.

    [0057] In this way, a carrier extension timer is used not only to prevent one user terminal from occupying a spectrum resource for a long time, improving fairness of spectrum resource usage, but also to discover in a timely manner whether a user terminal needs to apply for an extra spectrum resource, improving service execution efficiency.

    [0058] By using the solutions in Embodiment 1 of the present invention, when a current service resource demand is greater than a specified threshold, a user terminal sends a carrier extension request to the base station. The carrier extension request is used to request the base station to allocate an available spectrum resource; receives the available spectrum resource sent by the base station; obtains through calculation, according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enables an antenna channel corresponding to the quantity of antenna channels; and sends an access request to the base station. The access request carries the antenna channel that is to be enabled by the user terminal. The user terminal requests the available spectrum resource from the base station according to the current service resource demand, so that the base station performs resource scheduling with effectively reduced complexity, and resource scheduling becomes fairer. In addition, the user terminal obtains through calculation, according to the current service resource demand and the available spectrum resource, the quantity of antenna channels that need to be enabled, and enables an appropriate antenna channel, thereby reducing power consumption of an antenna system of the user terminal when a service requirement is met, and saving energy.

    Embodiment 2



    [0059] As shown in FIG. 2, FIG. 2 is a schematic flowchart of an access method according to Embodiment 2 of the present invention. The method may be described as follows:
    Step 201: A user terminal pre-estimates a service throughput of a current service, to obtain an expected service throughput rate.

    [0060] The service throughput rate is used to represent an amount of data transmitted between the user terminal and a base station per unit of time.

    [0061] Step 202: The user terminal determines whether the pre-estimated service throughput rate is greater than a specified threshold. If the pre-estimated service throughput rate is greater than the specified threshold, execute step 203. Otherwise, execute step 208.

    [0062] Step 203: The user terminal sends a carrier extension request to a base station.

    [0063] The carrier extension request is used to request the base station to allocate an available spectrum resource.

    [0064] In step 203, when the pre-estimated service throughput rate is greater than the specified threshold, it indicates that spectrum resources allocated to the user terminal are relatively strained, and an available spectrum resource needs to be requested from the base station, so as to meet a requirement for downloading a current service. In this case, the carrier extension request is sent to the base station.

    [0065] In this way, the user terminal sends the carrier extension request to the base station according to a resource demand of the user terminal, so that the base station performs resource scheduling according to a user terminal requirement, and resource scheduling becomes fairer and less complex. Wasting resulting from allocating more resources to some user terminals and uneven resource allocation resulting from allocating a fewer resources are allocated to some user terminals are avoided.

    [0066] Step 204: The user terminal receives an available spectrum resource sent by the base station.

    [0067] The available spectrum resource may include at least one of a quantity of available extended carriers, a bandwidth of the available spectrum resource, a frequency channel number, a center frequency of the available spectrum resource, or the like.

    [0068] In step 204, when receiving the carrier extension request sent by the user terminal, the base station determines a spectrum resource that is in an idle state or that can be allocated to the user terminal, and sends, to the user terminal, the determined spectrum resource that is used as the available spectrum resource.

    [0069] Step 205: The user terminal obtains through calculation, according to the service throughput rate of the current service and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enables an antenna channel corresponding to the quantity of antenna channels.

    [0070] Specifically, the user terminal obtains through calculation, according to the estimated service throughput rate and a maximum bandwidth of the available spectrum resource, a minimum quantity of antenna channels that need to be enabled; and
    enables the antenna channel according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.

    [0071] Step 206: The user terminal sends an access request to the base station, where the access request carries the antenna channel that is to be enabled by the user terminal.

    [0072] In step 206, the user terminal sends the access request that carries the enabled antenna channel to the base station, so that the base station determines, according to the antenna channel enabled by the user terminal, a transmission resource for communication with the user terminal, and establishes a communications connection with the user terminal by using the transmission resource.

    [0073] Step 207: The user terminal sends an available spectrum resource release request to the base station when the service is completed, and starts a timer.

    [0074] The available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.

    [0075] The timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.

    [0076] Step 208: The user terminal starts the timer, and stops channel measurement of the available spectrum resource.

    [0077] In step 208, when the pre-estimated service throughput rate is not greater than the specified threshold, it indicates that spectrum resources allocated to the user terminal are relatively sufficient, and a requirement for downloading a current service can be met. In this case, the user terminal stops channel measurement of an extended carrier, thereby saving energy consumption of the user terminal.

    [0078] It should be noted that a value of the specified threshold may be set according to different services, or may be set according to an actual requirement. The value of the specified threshold is not limited herein.

    [0079] By using the solutions in Embodiment 2 of the present invention, a user terminal requests an available spectrum resource from a base station according to a current service resource demand, so that the base station performs resource scheduling with effectively reduced complexity, and resource scheduling becomes fairer. In addition, the user terminal obtains through calculation, according to the current service resource demand and a bandwidth of the available spectrum resource, a quantity of antenna channels that need to be enabled, and enables an appropriate antenna channel, thereby reducing power consumption of an antenna system of the user terminal when a service requirement is met, and saving energy.

    Embodiment 3



    [0080] As shown in FIG. 3, FIG. 3 is a schematic structural diagram of an access device according to Embodiment 3 of the present invention. The access device may be a user terminal and includes a sending module 31, a receiving module 32, an antenna enablement module 33, and an access module 34.

    [0081] The sending module 31 is configured to send a carrier extension request to a base station when a current service resource demand is greater than a specified threshold. The carrier extension request is used to request the base station to allocate an available spectrum resource.

    [0082] The receiving module 32 is configured to receive the available spectrum resource sent by the base station.

    [0083] The antenna enablement module 33 is configured to obtain through calculation, according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enable an antenna channel corresponding to the quantity of antenna channels.

    [0084] The access module 34 is configured to send an access request to the base station. The access request carries the antenna channel that is to be enabled by the user terminal.

    [0085] Specifically, the sending module 31 that determines the current service resource demand is specifically configured to:

    determine a service throughput rate of a current service in a specified period, where the service throughput rate is used to represent an amount of data transmitted between the user terminal and the base station per unit of time; and

    the sending module 31 that sends the carrier extension request to the base station is specifically configured to:
    send the carrier extension request to the base station when it is determined that the service throughput rate is greater than the specified threshold.



    [0086] Specifically, the antenna enablement module 33 that obtains through calculation, according to the current service resource demand and the available spectrum resource, the quantity of antenna channels that need to be enabled is specifically configured to:

    obtain through calculation, according to the service throughput rate and a maximum bandwidth of the available spectrum resource, a minimum quantity of antenna channels that need to be enabled; and

    the antenna enablement module 33 that enables the antenna channel corresponding to the quantity of antenna channels is specifically configured to:
    enable the antenna channel according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.



    [0087] Optionally, the sending module 31 is further configured to send, by the user terminal, an available spectrum resource release request to the base station when the service is completed. The available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.

    [0088] Optionally, the access device further includes a timing starting module 35.

    [0089] The timing starting module 35 is configured to start a timer when the current service resource demand is less than or equal to the specified threshold. The timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.

    [0090] It should be noted that the access device in Embodiment 3 of the present invention may be a logical component integrated into the user terminal, or may be a network element independent of the user terminal, and may be implemented in a hardware manner, or may be implemented in a software manner. This is not limited herein.

    [0091] The access device requests an available spectrum resource from a base station according to a current service resource demand, so that the base station performs resource scheduling with effectively reduced complexity, and resource scheduling becomes fairer. In addition, the access device obtains through calculation, according to the current service resource demand and a bandwidth of the available spectrum resource, a quantity of antenna channels that need to be enabled, and enables an appropriate antenna channel, thereby reducing power consumption of an antenna system of the access device when a service requirement is met, and saving energy.

    Embodiment 4



    [0092] As shown in FIG. 4, FIG. 4 is a schematic structural diagram of an access device according to Embodiment 4 of the present invention. The access device includes a signal transmitter 41, a processor 42, and a signal receiver 43.

    [0093] The signal transmitter 41 is configured to send a carrier extension request to a base station when a current service resource demand is greater than a specified threshold. The carrier extension request is used to request the base station to allocate an available spectrum resource.

    [0094] The signal receiver 43 is configured to receive the available spectrum resource sent by the base station.

    [0095] The processor 42 is configured to obtain through calculation, according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enable an antenna channel corresponding to the quantity of antenna channels.

    [0096] The signal transmitter 41 is further configured to send an access request to the base station. The access request carries the antenna channel that is to be enabled by the user terminal.

    [0097] Specifically, the processor 42 that determines the current service resource demand is specifically configured to:

    determine a service throughput rate of a current service in a specified period, where the service throughput rate is used to represent an amount of data transmitted between the user terminal and the base station per unit of time; and

    the signal transmitter 41 that sends the carrier extension request to the base station is specifically configured to:
    send the carrier extension request to the base station when it is determined that the service throughput rate is greater than the specified threshold.



    [0098] Specifically, the processor 42 that obtains through calculation, according to the current service resource demand and the available spectrum resource, the quantity of antenna channels that need to be enabled is specifically configured to:

    obtain through calculation, according to the service throughput rate and a maximum bandwidth of the available spectrum resource, a minimum quantity of antenna channels that need to be enabled; and

    the processor 42 that enables the antenna channel corresponding to the quantity of antenna channels is specifically configured to:
    enable the antenna channel according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.



    [0099] Optionally, the signal transmitter 41 is further configured to:
    send an available spectrum resource release request to the base station when the service is completed, where the available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.

    [0100] Optionally, the processor 42 is further configured to:
    start a timer when the current service resource demand is less than or equal to the specified threshold, where the timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.

    [0101] The processor 42 may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (application-specific integrated circuit, ASIC), or one or more integrated circuits for controlling program execution in the solutions of the present invention.

    [0102] The access device requests an available spectrum resource from a base station according to a current service resource demand, so that the base station performs resource scheduling with effectively reduced complexity, and resource scheduling becomes fairer. In addition, the access device obtains through calculation, according to the current service resource demand and a bandwidth of the available spectrum resource, a quantity of antenna channels that need to be enabled, and enables an appropriate antenna channel, thereby reducing power consumption of an antenna system of the access device when a service requirement is met, and saving energy.

    [0103] Persons skilled in the art should understand that the embodiments of the present invention may be provided as a method, an apparatus (device), or a computer program product. Therefore, the present invention may use a form of hardware only embodiments, software only embodiments, or embodiments with a combination of software and hardware. Moreover, the present invention may use a form of a computer program product that is implemented on one or more computer-usable storage media (including but not limited to a disk memory, a CD-ROM, an optical memory, and the like) that include computer-usable program code.

    [0104] The present invention is described with reference to the flowcharts and/or block diagrams of the method, the apparatus (device), and the computer program product according to the embodiments of the present invention. It should be understood that computer program instructions may be used to implement each process and/or each block in the flowcharts and/or the block diagrams and a combination of a process and/or a block in the flowcharts and/or the block diagrams. These computer program instructions may be provided for a general-purpose computer, a dedicated computer, an embedded processor, or a processor of any other programmable data processing device to generate a machine, so that the instructions executed by a computer or a processor of any other programmable data processing device generate an apparatus for implementing a specific function in one or more processes in the flowcharts and/or in one or more blocks in the block diagrams.

    [0105] These computer program instructions may also be stored in a computer readable memory that can instruct the computer or any other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory generate an artifact that includes an instruction apparatus. The instruction apparatus implements a specific function in one or more processes in the flowcharts and/or in one or more blocks in the block diagrams.

    [0106] These computer program instructions may also be loaded onto a computer or another programmable data processing device, so that a series of operations and steps are performed on the computer or the another programmable device, thereby generating computer-implemented processing. Therefore, the instructions executed on the computer or the another programmable device provide steps for implementing a specific function in one or more processes in the flowcharts and/or in one or more blocks in the block diagrams.

    [0107] Although some preferred embodiments of the present invention have been described, persons skilled in the art can make changes and modifications to these embodiments once they learn the basic inventive concept. Therefore, the following claims are intended to be construed as to cover the preferred embodiments and all changes and modifications falling within the scope of the present invention.

    [0108] Obviously, persons skilled in the art can make various modifications and variations to the present invention without departing from the scope of the present invention. The present invention is intended to cover these modifications and variations provided that they fall within the scope of protection defined by the following claims and their equivalent technologies.


    Claims

    1. An access method, comprising:

    sending, by a user terminal, a carrier extension request (101) to a base station when a current service resource demand, determined by the terminal, is greater than a specified threshold, wherein the carrier extension request is used to request the base station to allocate an available spectrum resource;

    receiving, by the user terminal, the available spectrum resource (102) sent by the base station;

    obtaining through calculation (103), by the user terminal according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enabling antenna channels corresponding to the quantity of antenna channels; and

    sending, by the user terminal, an access request (104) to the base station, wherein the access request carries the antenna channels that are to be enabled by the user terminal;

    wherein that the user terminal determines the current service resource demand comprises:

    determining, by the user terminal, a service throughput rate of a current service in a specified period, wherein the service throughput rate is used to represent an amount of data transmitted between the user terminal and the base station per unit of time; and

    the sending, by a user terminal, a carrier extension request (101) to a base station comprises:

    sending, by the user terminal, the carrier extension request to the base station when it is determined that the service throughput rate is greater than the specified threshold;

    wherein the obtaining through calculation (103), by the user terminal according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled comprises:

    obtaining through calculation, by the user terminal according to the service throughput rate and a maximum bandwidth of the available spectrum resource, a minimum quantity of antenna channels that need to be enabled; and

    the enabling, by the user terminal, antenna channels corresponding to the quantity of antenna channels comprises:
    enabling, by the user terminal, the antenna channels according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.


     
    2. The access method according to claim 1, wherein the method further comprises:
    sending, by the user terminal, an available spectrum resource release request (207) to the base station when the service is completed, wherein the available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.
     
    3. The access method according to any one of claims 1 to 2, wherein the method further comprises:
    starting, by the user terminal, a timer when the current service resource demand is less than or equal to the specified threshold, wherein the timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.
     
    4. An access device, comprising:

    a sending module (31), configured to send a carrier extension request to a base station when a current service resource demand, determined by the terminal, is greater than a specified threshold, wherein the carrier extension request is used to request the base station to allocate an available spectrum resource;

    a receiving module (32), configured to receive the available spectrum resource sent by the base station;

    an antenna enablement module (33), configured to obtain through calculation, according to the current service resource demand and the available spectrum resource, a quantity of antenna channels that need to be enabled, and enable antenna channels corresponding to the quantity of antenna channels; and

    an access module (34), configured to send an access request to the base station, wherein the access request carries the antenna channels that are to be enabled by the user terminal;

    wherein the sending module (31) that determines the current service resource demand is specifically configured to:

    determine a service throughput rate of a current service in a specified period, wherein the service throughput rate is used to represent an amount of data transmitted between the user terminal and the base station per unit of time; and

    the sending module (31) that sends the carrier extension request to the base station is specifically configured to:

    send the carrier extension request to the base station when it is determined that the service throughput rate is greater than the specified threshold;

    wherein the antenna enablement module (33) that obtains through calculation, according to the current service resource demand and the available spectrum resource, the quantity of antenna channels that need to be enabled is specifically configured to:

    obtain through calculation, according to the service throughput rate and a maximum bandwidth of the available spectrum resource, a minimum quantity of antenna channels that need to be enabled; and

    the antenna enablement module (33) that enables the antenna channels corresponding to the quantity of antenna channels is specifically configured to:
    enable the antenna channels according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.


     
    5. The access device according to claim 4, wherein:
    the sending module (31) is further configured to send, by the user terminal, an available spectrum resource release request to the base station when the service is completed, wherein the available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.
     
    6. The access device according to any one of claims 4 to 5, wherein the access device further comprises a timing starting module (35), wherein:
    the timing starting module (35) is configured to start a timer when the current service resource demand is less than or equal to the specified threshold, wherein the timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.
     
    7. The access device according to claim 4, wherein the access device comprises a signal transmitter (41), a processor (42), and a signal receiver (43), wherein:

    the signal transmitter (41) is configured as the sending module (31);

    the signal receiver (43) is configured as the receiving module (32);

    the processor (42) is configured as the antenna enablement module (33); and

    the signal transmitter (42) is further configured as the access module (34);

    wherein the processor (42) that determines the current service resource demand is specifically configured to:

    determine the service throughput rate of a current service in a specified period, wherein the service throughput rate is used to represent an amount of data transmitted between the user terminal and the base station per unit of time; and

    the signal transmitter (41) that sends the carrier extension request to the base station is specifically configured to:

    send the carrier extension request to the base station when it is determined that the service throughput rate is greater than the specified threshold;

    wherein the processor (42) that obtains through calculation, according to the current service resource demand and the available spectrum resource, the quantity of antenna channels that need to be enabled is specifically configured to:

    obtain through calculation, according to the service throughput rate and a maximum bandwidth of the available spectrum resource, the minimum quantity of antenna channels that need to be enabled; and

    the processor (42) that enables the antenna channels corresponding to the quantity of antenna channels is specifically configured to:
    enable the antenna channels according to the minimum quantity, obtained through calculation, of antenna channels that need to be enabled.


     
    8. The access device according to claims 7, wherein the signal transmitter (41) is further configured to:
    send an available spectrum resource release request to the base station when the service is completed, wherein the available spectrum resource release request is used to request the base station to release the allocated available spectrum resource.
     
    9. The access device according to any one of claims 7 or 8, wherein the processor (42) is further configured to:
    start a timer when the current service resource demand is less than or equal to the specified threshold, wherein the timer is used to trigger, when a specified time expires, the user terminal to determine whether to send the carrier extension request to the base station.
     


    Ansprüche

    1. Zugriffsverfahren, umfassend:

    Senden einer Trägererweiterungsanforderung (101) durch ein Benutzerendgerät an eine Basisstation, wenn ein durch das Endgerät bestimmter aktueller Dienstressourcenbedarf größer als ein spezifizierter Schwellenwert ist, wobei die Trägererweiterungsanforderung verwendet wird, um die Basisstation aufzufordern, eine verfügbare Spektrumsressource zuzuweisen;

    Empfangen der von der Basisstation gesendeten verfügbaren Spektrumsressource (102) durch das Benutzerendgerät;

    Erhalten einer Anzahl von Antennenkanälen, die aktiviert werden müssen, durch Berechnen (103), durch das Benutzerendgerät gemäß dem aktuellen Dienstressourcenbedarf und der verfügbaren Spektrumsressource, und Aktivieren von Antennenkanälen entsprechend der Anzahl von Antennenkanälen; und

    Senden einer Zugriffsanforderung (104) durch das Benutzerendgerät an die Basisstation, wobei die Zugriffsanforderung die Antennenkanäle trägt, die durch das Benutzerendgerät aktiviert werden sollen;

    wobei die Tatsache, dass das Benutzerendgerät den aktuellen Dienstressourcenbedarf bestimmt, umfasst:

    Bestimmen einer Dienstdurchsatzrate eines aktuellen Dienstes in einer spezifizierten Periode durch das Benutzerendgerät, wobei die Dienstdurchsatzrate verwendet wird, um eine zwischen dem Benutzerendgerät und der Basisstation pro Zeiteinheit übertragene Datenmenge darzustellen; und

    das Senden einer Trägererweiterungsanforderung (101) durch ein Benutzerendgerät an eine Basisstation umfasst:

    Senden der Trägererweiterungsanforderung durch das Benutzerendgerät an die Basisstation, wenn bestimmt wird, dass die Dienstdurchsatzrate größer als der spezifizierte Schwellenwert ist;

    wobei das Erhalten einer Anzahl von Antennenkanälen, die aktiviert werden müssen, durch Berechnen (103) durch das Benutzerendgerät gemäß dem aktuellen Dienstressourcenbedarf und der verfügbaren Spektrumsressource umfasst:

    Erhalten einer Mindestanzahl von Antennenkanälen, die aktiviert werden müssen, durch Berechnen durch das Benutzerendgerät gemäß der Dienstdurchsatzrate und einer maximalen Bandbreite der verfügbaren Spektrumsressourcen; und

    das Aktivieren von Antennenkanälen entsprechend der Anzahl der Antennenkanäle durch das Benutzerendgerät umfasst:
    Aktivieren der Antennenkanäle durch das Benutzerendgerät gemäß der durch Berechnen erhaltenen Mindestanzahl von Antennenkanälen, die aktiviert werden müssen.


     
    2. Zugriffsverfahren nach Anspruch 1, wobei das Verfahren ferner umfasst:
    Senden einer Anforderung (207) zur Freigabe verfügbarer Spektrumsressourcen durch das Benutzerendgerät an die Basisstation, wenn der Dienst abgeschlossen ist, wobei die Anforderung zur Freigabe verfügbarer Spektrumsressourcen verwendet wird, um die Basisstation aufzufordern, die zugewiesene verfügbare Spektrumsressource freizugeben.
     
    3. Zugriffsverfahren nach einem der Ansprüche 1 bis 2, wobei das Verfahren ferner umfasst:
    Starten eines Timers durch das Benutzerendgerät, wenn der aktuelle Dienstressourcenbedarf kleiner oder gleich dem spezifizierten Schwellenwert ist, wobei der Timer verwendet wird, um nach Ablauf einer spezifizierten Zeit das Benutzerendgerät zu triggern, um zu bestimmen, ob die Trägererweiterungsanforderung an die Basisstation gesendet werden soll.
     
    4. Zugriffsvorrichtung, umfassend:

    ein Sendemodul (31), das dazu konfiguriert ist, eine Trägererweiterungsanforderung an eine Basisstation zu senden, wenn der vom Endgerät bestimmte aktuelle Dienstressourcenbedarf einen spezifizierten Schwellenwert überschreitet,

    wobei die Trägererweiterungsanforderung verwendet wird, um die Basisstation aufzufordern, eine verfügbare Spektrumsressource zuzuweisen;

    ein Empfangsmodul (32), das dazu konfiguriert ist, die von der Basisstation gesendete verfügbare Spektrumsressource zu empfangen;

    ein Antennenaktivierungsmodul (33), das dazu konfiguriert ist, durch Berechnen gemäß dem aktuellen Dienstressourcenbedarf und der verfügbaren Spektrumsressource eine Menge von Antennenkanälen zu erhalten, die aktiviert werden müssen, und Antennenkanäle entsprechend der Anzahl von Antennenkanälen zu aktivieren; und

    ein Zugriffsmodul (34), das dazu konfiguriert ist, eine Zugriffsanforderung an die Basisstation zu senden, wobei die Zugriffsanforderung die Antennenkanäle trägt, die durch das Benutzerendgerät aktiviert werden sollen;

    wobei das Sendemodul (31), das den aktuellen Dienstressourcenbedarf bestimmt, insbesondere dazu konfiguriert ist:

    eine Dienstdurchsatzrate eines aktuellen Dienstes in einer spezifizierten Periode zu bestimmen, wobei die Dienstdurchsatzrate verwendet wird, um eine zwischen dem Benutzerendgerät und der Basisstation pro Zeiteinheit übertragene Datenmenge darzustellen; und

    das Sendemodul (31), das die Trägererweiterungsanforderung an die Basisstation sendet, insbesondere dazu konfiguriert ist:

    die Trägererweiterungsanforderung an die Basisstation zu senden, wenn bestimmt wird, dass die Dienstdurchsatzrate größer als der spezifizierte Schwellenwert ist;

    wobei das Antennenaktivierungsmodul (33), das durch Berechnen gemäß dem aktuellen Dienstressourcenbedarf und der verfügbaren Spektrumsressource die Anzahl von Antennenkanälen erhält, die aktiviert werden müssen, insbesondere dazu konfiguriert ist:

    eine Mindestanzahl von Antennenkanälen, die aktiviert werden müssen, durch Berechnen gemäß der Dienstdurchsatzrate und einer maximalen Bandbreite der verfügbaren Spektrumsressourcen zu erhalten; und

    das Antennenaktivierungsmodul (33), das die Antennenkanäle entsprechend der Anzahl der Antennenkanäle aktiviert, insbesondere dazu konfiguriert ist:
    die Antennenkanäle gemäß der durch Berechnen erhaltenen Mindestanzahl von Antennenkanälen, die aktiviert werden müssen, zu aktivieren.


     
    5. Zugriffsvorrichtung nach Anspruch 4, wobei:
    das Sendemodul (31) ferner dazu konfiguriert ist, eine Anforderung zur Freigabe verfügbarer Spektrumsressourcen durch das Benutzerendgerät an die Basisstation zu senden, wenn der Dienst abgeschlossen ist, wobei die Anforderung zur Freigabe verfügbarer Spektrumsressourcen dazu verwendet wird, die Basisstation aufzufordern, die zugewiesene verfügbare Spektrumsressource freizugeben.
     
    6. Zugriffsvorrichtung nach einem der Ansprüche 4 bis 5, wobei die Zugriffsvorrichtung ferner ein Timing-Startmodul (35) umfasst, wobei:
    das Timing-Startmodul (35) dazu konfiguriert ist, einen Timer zu starten, wenn der aktuelle Dienstressourcenbedarf kleiner oder gleich dem spezifizierten Schwellenwert ist, wobei der Zeitgeber verwendet wird, um nach Ablauf einer spezifizierten Zeit das Benutzerendgerät zu triggern, um zu bestimmen, ob die Trägererweiterungsanforderung an die Basisstation gesendet werden soll.
     
    7. Zugriffsvorrichtung nach Anspruch 4, wobei die Zugriffsvorrichtung einen Signalsender (41), einen Prozessor (42) und einen Signalempfänger (43) umfasst, wobei:

    der Signalsender (41) als das Sendemodul (31) konfiguriert ist;

    der Signalempfänger (43) als das Empfangsmodul (32) konfiguriert ist;

    der Prozessor (42) als das Antennenaktivierungsmodul (33) konfiguriert ist; und

    der Signalsender (42) ferner als das Zugriffsmodul (34) konfiguriert ist;

    wobei der Prozessor (42), der den aktuellen Dienstressourcenbedarf bestimmt, insbesondere dazu konfiguriert ist:

    die Dienstdurchsatzrate eines aktuellen Dienstes in einer spezifizierten Periode zu bestimmen, wobei die Dienstdurchsatzrate verwendet wird, um eine zwischen dem Benutzerendgerät und der Basisstation pro Zeiteinheit übertragene Datenmenge darzustellen; und

    der Signalsender (41), der die Trägererweiterungsanforderung an die Basisstation sendet, insbesondere dazu konfiguriert ist:

    die Trägererweiterungsanforderung an die Basisstation zu senden, wenn bestimmt wird, dass die Dienstdurchsatzrate größer als der spezifizierte Schwellenwert ist;

    wobei der Prozessor (42), der durch Berechnen gemäß dem aktuellen Dienstressourcenbedarf und der verfügbaren Spektrumsressource die Anzahl von Antennenkanälen erhält, die aktiviert werden müssen, insbesondere dazu konfiguriert ist:

    die Mindestanzahl von Antennenkanälen, die aktiviert werden müssen, durch Berechnen gemäß der Dienstdurchsatzrate und einer maximalen Bandbreite der verfügbaren Spektrumsressourcen zu erhalten; und

    der Prozessor (42), der die Antennenkanäle entsprechend der Anzahl der Antennenkanäle aktiviert, insbesondere dazu konfiguriert ist:
    die Antennenkanäle gemäß der durch Berechnen erhaltenen Mindestanzahl von Antennenkanälen, die aktiviert werden müssen, zu aktivieren.


     
    8. Zugriffsvorrichtung nach Anspruch 7, wobei der Signalsender (41) ferner dazu konfiguriert ist:
    eine Anforderung zur Freigabe verfügbarer Spektrumsressourcen an die Basisstation zu senden, wenn der Dienst abgeschlossen ist, wobei die Anforderung zur Freigabe verfügbarer Spektrumsressourcen verwendet wird, um die Basisstation aufzufordern, die zugewiesene verfügbare Spektrumsressource freizugeben.
     
    9. Zugriffsvorrichtung nach einem der Ansprüche 7 oder 8, wobei der Prozessor (42) ferner dazu konfiguriert ist:
    einen Timer zu starten, wenn der aktuelle Dienstressourcenbedarf kleiner oder gleich dem spezifizierten Schwellenwert ist, wobei der Zeitgeber verwendet wird, um nach Ablauf einer spezifizierten Zeit das Benutzerendgerät zu triggern, um zu bestimmen, ob die Trägererweiterungsanforderung an die Basisstation gesendet werden soll.
     


    Revendications

    1. Procédé d'accès, comprenant de :

    envoyer, par un terminal d'utilisateur, une demande d'extension de porteuse (101) à une station de base lorsqu'une demande de ressource de service actuelle, déterminée par le terminal, est supérieure à un seuil spécifié, dans lequel la demande d'extension de porteuse est utilisée pour demander à la station de base d'allouer une ressource de spectre disponible ;

    recevoir, par le terminal d'utilisateur, la ressource de spectre disponible (102) envoyée par la station de base ;

    obtenir, par calcul (103), par le terminal d'utilisateur en fonction de la demande de ressource de service actuelle et de la ressource de spectre disponible, une quantité de canaux d'antenne qui doivent être activés, et activer des canaux d'antenne correspondant à la quantité de canaux d'antenne ; et

    envoyer, par le terminal d'utilisateur, une demande d'accès (104) à la station de base, dans lequel la demande d'accès contient les canaux d'antenne qui doivent être activés par le terminal d'utilisateur ;

    dans lequel, le fait que le terminal d'utilisateur détermine la demande de ressource de service actuelle comprend de :

    déterminer, par le terminal d'utilisateur, un taux de débit de service d'un service actuel dans une période spécifiée, dans lequel le taux de débit de service est utilisé pour représenter une quantité de données transmises entre le terminal d'utilisateur et la station de base par unité de temps ; et

    l'envoi, par un terminal d'utilisateur, d'une demande d'extension de porteuse (101) à une station de base comprend de :

    envoyer, par le terminal d'utilisateur, la demande d'extension de porteuse à la station de base lorsqu'il est déterminé que le taux de débit de service est supérieur au seuil spécifié ;

    dans lequel, l'obtention, par calcul (103), par le terminal d'utilisateur en fonction de la demande de ressource de service actuelle et de la ressource de spectre disponible, d'une quantité de canaux d'antenne qui doivent être activés comprend de :

    obtenir, par calcul, par le terminal d'utilisateur en fonction du taux de débit de service et d'une bande passante maximale de la ressource de spectre disponible, une quantité minimale de canaux d'antenne qui doivent être activés ; et

    l'activation, par le terminal d'utilisateur, de canaux d'antenne correspondant à la quantité de canaux d'antenne comprend de :
    activer, par le terminal d'utilisateur, les canaux d'antenne en fonction de la quantité minimale, obtenue par calcul, de canaux d'antenne qui doivent être activés.


     
    2. Procédé d'accès selon la revendication 1, dans lequel le procédé comprend en outre de :
    envoyer, par le terminal d'utilisateur, une demande de libération de ressource de spectre disponible (207) à la station de base lorsque le service est achevé, dans lequel la demande de libération de ressource de spectre disponible est utilisée pour demander à la station de base de libérer la ressource de spectre disponible allouée.
     
    3. Procédé d'accès selon l'une quelconque des revendications 1 à 2, dans lequel le procédé comprend en outre de :
    démarrer, par le terminal d'utilisateur, une minuterie lorsque la demande de ressource de service actuelle est inférieure ou égale au seuil spécifié, dans lequel la minuterie est utilisée pour déclencher, lorsqu'un temps spécifié expire, le terminal d'utilisateur pour déterminer s'il faut ou non envoyer la demande d'extension de porteuse à la station de base.
     
    4. Dispositif d'accès, comprenant :

    un module d'envoi (31), configuré pour envoyer une demande d'extension de porteuse à une station de base lorsqu'une demande de ressource de service actuelle, déterminée par le terminal, est supérieure à un seuil spécifié, dans lequel la demande d'extension de porteuse est utilisée pour demander à la station de base d'allouer une ressource de spectre disponible ;

    un module de réception (32), configuré pour recevoir la ressource de spectre disponible envoyée par la station de base ;

    un module d'activation d'antenne (33), configuré pour obtenir, par calcul, en fonction de la demande de ressource de service actuelle et de la ressource de spectre disponible, une quantité de canaux d'antenne qui doivent être activés, et activer des canaux d'antenne correspondant à la quantité de canaux d'antenne ; et

    un module d'accès (34), configuré pour envoyer une demande d'accès à la station de base, dans lequel la demande d'accès contient les canaux d'antenne qui doivent être activés par le terminal d'utilisateur ;

    dans lequel le module d'envoi (31) qui détermine la demande de ressource de service actuelle est spécifiquement configuré pour :

    déterminer un taux de débit de service d'un service actuel dans une période spécifiée, dans lequel le taux de débit de service est utilisé pour représenter une quantité de données transmises entre le terminal d'utilisateur et la station de base par unité de temps ; et

    le module d'envoi (31) qui envoie la demande d'extension de porteuse à la station de base est spécifiquement configuré pour :

    envoyer la demande d'extension de porteuse à la station de base lorsqu'il est déterminé que le taux de débit de service est supérieur au seuil spécifié ;

    dans lequel le module d'activation d'antenne (33) qui obtient, par calcul, en fonction de la demande de ressource de service actuelle et de la ressource de spectre disponible, la quantité de canaux d'antenne qui doivent être activés est spécifiquement configuré pour :

    obtenir, par calcul, en fonction du taux de débit de service et d'une bande passante maximale de la ressource de spectre disponible, une quantité minimale de canaux d'antenne qui doivent être activés ; et

    le module d'activation d'antenne (33) qui active des canaux d'antenne correspondant à la quantité de canaux d'antenne est spécifiquement configuré pour :
    activer les canaux d'antenne en fonction de la quantité minimale, obtenue par calcul, de canaux d'antenne qui doivent être activés.


     
    5. Dispositif d'accès selon la revendication 4, dans lequel :
    le module d'envoi (31) est en outre configuré pour envoyer, par le terminal d'utilisateur, une demande de libération de ressource de spectre disponible à la station de base lorsque le service est achevé, dans lequel la demande de libération de ressource de spectre disponible est utilisée pour demander à la station de base de libérer la ressource de spectre disponible allouée.
     
    6. Dispositif d'accès selon l'une quelconque des revendications 4 à 5, dans lequel le dispositif d'accès comprend en outre un module de démarrage de minuterie (35), dans lequel :
    le module de démarrage de minuterie (35) est configuré pour démarrer une minuterie lorsque la demande de ressource de service actuelle est inférieure ou égale au seuil spécifié, dans lequel la minuterie est utilisée pour déclencher, lorsqu'un temps spécifié expire, le terminal d'utilisateur pour déterminer s'il faut ou non envoyer la demande d'extension de porteuse à la station de base.
     
    7. Dispositif d'accès selon la revendication 4, dans lequel le dispositif d'accès comprend un émetteur de signaux (41), un processeur (42), et un récepteur de signaux (43), dans lequel :

    l'émetteur de signaux (41) est configuré en tant que module d'envoi (31) ;

    le récepteur de signaux (43) est configuré en tant que module de réception (32) ;

    le processeur (42) est configuré en tant que module d'activation d'antenne (33) ; et

    l'émetteur de signaux (41) est en outre configuré en tant que module d'accès (34) ;

    dans lequel le processeur (42) qui détermine la demande de ressource de service actuelle est spécifiquement configuré pour :

    déterminer le taux de débit de service d'un service actuel dans une période spécifiée, dans lequel le taux de débit de service est utilisé pour représenter une quantité de données transmises entre le terminal d'utilisateur et la station de base par unité de temps ; et

    l'émetteur de signaux (41) qui envoie la demande d'extension de porteuse à la station de base est spécifiquement configuré pour :

    envoyer la demande d'extension de porteuse à la station de base lorsqu'il est déterminé que le taux de débit de service est supérieur au seuil spécifié ;

    dans lequel le processeur (42) qui obtient, par calcul, en fonction de la demande de ressource de service actuelle et de la ressource de spectre disponible, la quantité de canaux d'antenne qui doivent être activés est spécifiquement configuré pour :

    obtenir, par calcul, en fonction du taux de débit de service et d'une bande passante maximale de la ressource de spectre disponible, la quantité minimale de canaux d'antenne qui doivent être activés ; et

    le processeur (42) qui active des canaux d'antenne correspondant à la quantité de canaux d'antenne est spécifiquement configuré pour :
    activer les canaux d'antenne en fonction de la quantité minimale, obtenue par calcul, de canaux d'antenne qui doivent être activés.


     
    8. Dispositif d'accès selon la revendication 7, dans lequel l'émetteur de signaux (41) est en outre configuré pour :
    envoyer une demande de libération de ressource de spectre disponible à la station de base lorsque le service est achevé, dans lequel la demande de libération de ressource de spectre disponible est utilisée pour demander à la station de base de libérer la ressource de spectre disponible allouée.
     
    9. Dispositif d'accès selon l'une quelconque des revendications 7 ou 8, dans lequel le processeur (42) est en outre configuré pour :
    démarrer une minuterie lorsque la demande de ressource de service actuelle est inférieure ou égale au seuil spécifié, dans lequel la minuterie est utilisée pour déclencher, lorsqu'un temps spécifié expire, le terminal d'utilisateur pour déterminer s'il faut ou non envoyer la demande d'extension de porteuse à la station de base.
     




    Drawing














    Cited references

    REFERENCES CITED IN THE DESCRIPTION



    This list of references cited by the applicant is for the reader's convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard.

    Patent documents cited in the description