| (11) | EP 3 493 612 B1 |
(12) | EUROPEAN PATENT SPECIFICATION |
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(54) | METHOD FOR MANAGING WIRELESS SYSTEM AREA, TERMINAL AND BASE STATION DRAHTLOSES SYSTEMBEREICHMANAGEMENTVERFAHREN, ENDGERÄT UND BASISSTATION PROCÉDÉ DE GESTION DE ZONE DE SYSTÈME SANS FIL, TERMINAL ET STATION DE BASE |
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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). |
TECHNICAL FIELD
BACKGROUND
SUMMARY
BRIEF DESCRIPTION OF THE DRAWINGS
Fig.1 is a schematic view of an application scenario of a method for managing a wireless system area in some embodiments of the present disclosure;
Fig.2 is a schematic view of another application scenario of a method for managing a wireless system area in some embodiments of the present disclosure;
Fig.3 is a flowchart of a method for managing a wireless system area in some embodiments of the present disclosure;
Fig.4 is another flowchart of a method for managing a wireless system area in some embodiments of the present disclosure;
Fig.5 is a schematic view of a resident base station in some embodiments of the present disclosure;
Fig.6 is another schematic view of a resident base station in some embodiments of the present disclosure;
Fig.7 is a schematic view of a terminal in some embodiments of the present disclosure;
Fig.8 is another schematic view of a terminal in some embodiments of the present disclosure;
Fig.9 is an overall flowchart of a method for managing a wireless system area in some embodiments of the present disclosure;
Fig. 10 is another overall flowchart of a method for managing a wireless system area in some embodiments of the present disclosure;
Fig.11 is another overall flowchart of a method for managing a wireless system area in some embodiments of the present disclosure; and
Fig. 12 is another overall flowchart of a method for managing a wireless system area in some embodiments of the present disclosure;
DETAILED DESCRIPTION
LTE networking scenario: base station + terminal
Step 31: receiving, by a resident base station where a first terminal resides, a radio access network tracking area RTA update request sent by the first terminal and carrying information of an anchor base station of the first terminal;
Here, when the first terminal is in the RRC idle state or the inactive connection state, if the preset RTA update period is reached, or when it is determined that the RTA may be updated, an RTA update request is sent to the resident base station to request an update of the RTA of the terminal, where RTA update request carries the information of the anchor base station of the first terminal.
when the static configuration mode of the RTA configuration mode 1 is adopted, the resident base station may determine, based on the physical layer signal, the access cell that the first terminal accesses, and then update the RTA information to which the first terminal belongs based on the RTA corresponding to the access cell;
when the dynamic configuration mode of the RTA configuration mode 2 is adopted, the resident base station configures for the first terminal corresponding RTA information based on the preset attribute information of the first terminal, such as the moving speed of the terminal, the traffic patterns, and the like. The RTA information to which the first terminal belongs is updated based on the RTA information configured for the first terminal.
Step 41: sending, by a terminal in a radio resource control RRC idle state or an inactive connection state, to a resident base station where the terminal resides, a radio access network tracking area RTA update request carrying information of an anchor base station of the terminal;
Here, in the above Step 41, the terminal may send an RTA update request carrying the information of the anchor base station of the terminal to the resident base station when the preset RTA update period is reached, or when it is determined that the RTA may be updated.
parsing, by the terminal, a synchronization signal, a reference signal or a broadcast message sent by the resident base station and received by the terminal, to acquire RTA information of the resident base station carried by the synchronization signal, the reference signal or the broadcast message; determining whether the RTA information of the resident base station matches RTA information to which the terminal currently belongs, and determining that the RTA may be updated in the case that the RTA information of the resident base station does not match the RTA information to which the terminal currently belongs; in the case that the RTA information of the resident base station matches the RTA information to which the terminal currently belongs, no action is performed, and the process is directly ended;
Or, receiving RTA information configured by the resident base station for the terminal, determining whether the RTA information configured for the terminal matches RTA information to which the terminal currently belongs, and determining that the RTA may be updated in the case that the RTA information configured for the terminal does not match the RTA information to which the terminal currently belongs; in the case that the RTA information configured for the terminal matches the RTA information to which the terminal currently belongs, no action is performed, and the process is directly ended.
when the static configuration mode of the above RTA configuration mode 1 is adopted, parsing, by the terminal, a synchronization signal, a reference signal or a broadcast message sent by the resident base station and received by the terminal, to acquire RTA information of the resident base station carried by the synchronization signal, the reference signal or the broadcast message, and updating the RTA information to which the terminal belongs based on the RTA information of the resident base station;
when the dynamic configuration mode of the above RTA configuration mode 2 is adopted, parsing, by the terminal, the RTA update acknowledgement message, and acquiring RTA information carried by the RTA update acknowledgement message and configured by the resident base station for the terminal, and updating, by the terminal, the RTA information to which the terminal belongs based on the RTA information configured by the resident base station.
a request receiving unit 51, configured to receive a radio access network tracking area RTA update request sent by a first terminal and carrying information of an anchor base station of the first terminal;
a determination unit 52, configured to determine whether the resident base station is the anchor base station of the first terminal based on the information of the anchor base station of the first terminal carried in the RTA update request, and perform a trigger of an update unit in the case that the resident base station is the anchor base station of the first terminal; and
the update unit 53, configured to update RTA information to which the first terminal belongs in response to the trigger performed by the determination unit and send a RTA update acknowledgement message to the first terminal.
a paging unit, configured to, in the case that a paging for the first terminal needs to be initiated, initiate the paging within a RTA corresponding to the RTA information to which the first terminal belongs;
a first configuration unit, configured to, in the case that the resident base station serves as an anchor base station of a second terminal and detects that the second terminal is in a radio resource control RRC idle state or an inactive connection state, configure corresponding RTA information for the second terminal based on preset attribute information of the second terminal and send the corresponding RTA information to the second terminal, and update the RTA information to which the second terminal belongs based on the corresponding RTA information configured for the second terminal;
a second configuration unit, configured to, in the case that the resident base station detects that the second terminal is in the radio resource control RRC idle state or the inactive connection state, determine a RTA update period for initiating the RAT update periodically for the second terminal and configure the RTA update period for the second terminal.
a transceiver 601, configured to receive and transmit data under the control of a processor 604. Specifically, the transceiver 601 may receive a radio access network tracking area RTA update request sent by a first terminal and carrying information of an anchor base station of the first terminal and send a RTA update acknowledgement message to the first terminal;
the processor 604 is configured to read a program in a storage 605 to perform the following process:
determine whether the resident base station is the anchor base station of the first terminal based on the information of the anchor base station of the first terminal carried in the RTA update request received by the transceiver 601, and update RTA information to which the first terminal belongs and control the transceiver 601 to send a RTA update acknowledgement message to the first terminal in the case that the resident base station is the anchor base station of the first terminal.
a request unit 71, configured to, in the case that the terminal is in a radio resource control RRC idle state or an inactive connection state, send to a resident base station where the terminal resides, a radio access network tracking area RTA update request carrying information of an anchor base station of the terminal; and
a maintenance update unit 72, configured to receive a RTA update acknowledgement message returned by the resident base station and update RTA information to which the terminal belongs.
a first update unit, configured to parse a synchronization signal, a reference signal or a broadcast message sent by the resident base station and received by the terminal, to acquire RTA information of the resident base station carried by the synchronization signal, the reference signal or the broadcast message, and update the RTA information to which the terminal belongs based on the RTA information of the resident base station;
a first acquisition unit, configured to, in the case that the terminal is in the RRC idle state or the inactive connection state, receive the synchronization signal, the reference signal, or the broadcast message sent by the resident base station, parse the synchronization signal, the reference signal, or the broadcast message to acquire the RTA information of the resident base station carried by the synchronization signal, the reference signal or the broadcast message, and store the RTA information of the resident base station as the RTA information to which the terminal belongs.
a second update unit, configured to parse the RTA update acknowledgement message, and acquire RTA information carried by the RTA update acknowledgement message and configured by the resident base station for the terminal, and update the RTA information to which the terminal belongs based on the RTA information configured by the resident base station;
a second acquisition unit, configured to, in the case that the terminal is in the RRC idle state or the inactive connection state, receive the RTA information configured by the resident base station for the terminal, acquire the RTA information to which the terminal belongs based on the RTA information configured by the resident base station, and save the RTA information.
a transceiver 801, configured to receive and transmit data under the control of the processor 804, and specifically, configured to send to a resident base station where the terminal resides, a radio access network tracking area RTA update request carrying information of an anchor base station of the terminal, and receive a RTA update acknowledgement message returned by the resident base station.
a processor 804, configured to read a program in the storage 805 to:
when the terminal is in the RRC idle state or the inactive connection state, generate a RTA update request carrying information of the anchor base station of the terminal, send the RTA update request to the resident base station through the transceiver 801 and the antenna 802, update the RTA information to which the terminal belongs according to the RTA update acknowledgement message received by the transceiver 801.
Processing method 1: In Steps 114-115, the resident base station updates the RTA information to which the terminal belongs, that is, updates the RTA information of the resident base station to the RTA information to which the terminal belongs, and initiates a terminal context retrieving process to the anchor base station, to request the anchor base station to acquire a terminal context; and after obtaining the terminal context, the resident base station initiates a RAN anchor base station update process to the core network, and update the anchor base station of the terminal to the resident base station.
Processing 2: In Step 115a, the resident base station updates the RTA information to which the terminal belongs, that is, updates the RTA information of the resident base station to the RTA information to which the terminal belongs, and initiates a RTA update process of the terminal to the anchor base station, to send the RTA information to which the terminal belongs to the anchor base station, so that the anchor base station updates the RTA information to which the terminal belongs in the terminal context.
Processing method 1: In Steps 124-125, the resident base station reconfigures the RTA information for the terminal according to the specific attribute of the terminal, and updates the RTA information to which the terminal belongs according to the configured RTA information, that is, the RTA information configured by the resident base station is updated to the RTA information to which the terminal belongs, and initiates a terminal context retrieving process to the anchor base station, to request the anchor base station to acquire a terminal context. After obtaining the terminal context, the resident base station initiates a RAN anchor base station update process to the core network, to update the anchor base station of the terminal to the resident base station.
Processing method 2: in Step 125a, the resident base station reconfigures the RTA information for the terminal according to the specific attribute of the terminal, and updates the RTA information to which the terminal belongs according to the configured RTA information, that is, the RTA information configured by the resident base station is updated to the RTA information to which the terminal belongs, and initiates a RTA update process of the terminal to the anchor base station, and the RTA information to which the terminal belongs is sent to the anchor base station, so that the anchor base station may update the RTA information to which the terminal belongs in the terminal context.
sending (Step 41), by a terminal in a radio resource control RRC idle state or an inactive connection state, to a resident base station where the terminal resides, a radio access network tracking area RTA update request carrying information of an anchor base station of the terminal, the RTA defining an area where a network side initiates a paging to the terminal; and
receiving, by the terminal, a RTA update acknowledgement message returned by the resident base station, and updating RTA information to which the terminal belongs (Step 42);
wherein the sending, by the terminal in the radio resource control RRC idle state or the inactive connection state, to the resident base station where the terminal resides, the radio access network tracking area RTA update request carrying information of the anchor base station of the terminal further comprises:
in the case of reaching a preset RTA update period or determining that the RTA needs to be updated, sending the RTA update request carrying the information of the anchor base station of the terminal to the resident base station;
wherein the determining that the RTA needs to be updated further comprises:
parsing, by the terminal, a synchronization signal, a reference signal or a broadcast message sent by the resident base station and received by the terminal, to acquire RTA information of the resident base station carried by the synchronization signal, the reference signal or the broadcast message;
determining whether the RTA information of the resident base station matches RTA information to which the terminal currently belongs, and determining that the RTA needs to be updated in the case that the RTA information of the resident base station does not match the RTA information to which the terminal currently belongs, wherein the RTA information is statically configured according to a network deployment;
or
receiving RTA information configured by the resident base station for the terminal, determining whether the RTA information configured for the terminal matches RTA information to which the terminal currently belongs, and determining that the RTA needs to be updated in the case that the RTA information configured for the terminal does not match the RTA information to which the terminal currently belongs, wherein the RTA information is dynamically configured according to terminal attributes.
parsing, by the terminal, a synchronization signal, a reference signal or a broadcast message sent by the resident base station and received by the terminal, to acquire RTA information of the resident base station carried by the synchronization signal, the reference signal or the broadcast message, and updating the RTA information to which the terminal belongs based on the RTA information of the resident base station;
wherein prior to the sending the RTA update request to the resident base station, the method further comprises:
in the case that the terminal is in the RRC idle state or the inactive connection state, receiving, by the terminal, the synchronization signal, the reference signal, or the broadcast message sent by the resident base station, parsing the synchronization signal, the reference signal, or the broadcast message to acquire the RTA information of the resident base station carried by the synchronization signal, the reference signal or the broadcast message, and storing the RTA information of the resident base station as the RTA information to which the terminal belongs.
parsing, by the terminal, the RTA update acknowledgement message, and acquiring RTA information carried by the RTA update acknowledgement message and configured by the resident base station for the terminal; and
updating, by the terminal, the RTA information to which the terminal belongs based on the RTA information configured by the resident base station.
parsing, by the terminal, the RTA update acknowledgement message, and acquiring indication information of a new anchor base station of the terminal carried by the RTA update acknowledgement message; and
updating, by the terminal, the information of the anchor base station of the terminal maintained by the terminal, based on the indication information of the new anchor base station of the terminal;
wherein prior to the sending the RTA update request to the resident base station, the method further comprises:
receiving, by the terminal in the RRC idle state or the inactive connection state, the RTA information configured by the resident base station for the terminal, and acquiring the RTA information to which the terminal belongs based on the RTA information configured by the resident base station and saving the RTA information.
a request unit (71), configured to, in the case that the terminal is in a radio resource control RRC idle state or an inactive connection state, send to a resident base station where the terminal resides, a radio access network tracking area RTA update request carrying information of an anchor base station of the terminal, the RTA defining an area where a network side initiates a paging to the terminal;
a maintenance update unit (72), configured to receive a RTA update acknowledgement message returned by the resident base station and update RTA information to which the terminal belongs; and
a trigger unit, configured to, in the case of reaching a preset RTA update period or determining that the RTA needs to be updated, trigger the request unit (71) to send the RTA update request carrying the information of the anchor base station of the terminal to the resident base station;
characterized in that the trigger unit further comprises an update determination unit configured to:
parse a synchronization signal, a reference signal or a broadcast message sent by the resident base station and received by the terminal, to acquire RTA information of the resident base station carried by the synchronization signal, the reference signal or the broadcast message;
determine whether the RTA information of the resident base station matches RTA information to which the terminal currently belongs, and determine that the RTA needs to be updated in the case that the RTA information of the resident base station does not match the RTA information to which the terminal currently belongs, wherein the RTA information is statically configured according to a network deployment;
or
receive RTA information configured by the resident base station for the terminal, determine whether the RTA information configured for the terminal matches RTA information to which the terminal currently belongs, and determine that the RTA needs to be updated in the case that the RTA information configured for the terminal does not match the RTA information to which the terminal currently belongs, wherein the RTA information is dynamically configured according to terminal attributes.
durch ein Endgerät in einem Radio-Resource-Control(RRC)-Ruhezustand oder einem inaktiven Verbindungszustand erfolgendes Senden (Schritt 41) einer Radio-Access-Network-Tracking-Area(RTA)-Aktualisierungsanfrage, welche Informationen einer Ankerbasisstation des Endgeräts trägt, an eine örtliche Basisstation, an welcher sich das Endgerät befindet, wobei der RTA einen Bereich definiert, in welchem eine Netzwerkseite einen Funkruf an das Endgerät einleitet; und
durch das Endgerät erfolgendes Empfangen einer RTA-Aktualisierungsbestätigungsnachricht, die von der örtlichen Basisstation zugesandt wird, und Aktualisieren der RTA-Informationen, zu denen das Endgerät gehört (Schritt S42);
wobei das durch ein Endgerät in einem Radio-Resource-Control(RRC)-Ruhezustand oder einem inaktiven Verbindungszustand erfolgende Senden der Radio-Access-Network-Tracking-Area(RTA)-Aktualisierungsanfrage, welche Informationen der Ankerbasisstation des Endgeräts trägt, an die örtliche Basisstation, an welcher sich das Endgerät befindet, ferner den folgenden Schritt aufweist:
im Fall des Erreichens einer voreingestellten RTA-Aktualisierungsperiode oder des Feststellens, dass der RTA aktualisiert werden muss, Senden der RTA-Aktualisierungsanfrage, welche Informationen einer Ankerbasisstation des Endgeräts trägt, an die örtliche Basisstation;
wobei das Feststellen, dass der RTA aktualisiert werden muss, ferner die folgenden Schritte aufweist:
durch das Endgerät erfolgendes Parsen eines Synchronisierungssignals, eines Referenzsignals oder einer Rundfunknachricht, welche von der örtlichen Basisstation gesendet und von dem Endgerät empfangen werden, um RTA-Informationen der örtlichen Basisstation zu erfassen, welche von dem Synchronisierungssignal, dem Referenzsignal oder der Rundfunknachricht getragen werden;
Feststellen, ob die RTA-Informationen der örtlichen Basisstation zu den RTA-Informationen passen, zu denen das Endgerät gegenwärtig gehört, und Feststellen, dass der RTA aktualisiert werden muss, falls die RTA-Informationen der örtlichen Basisstation nicht zu den RTA-Informationen passen, zu denen das Endgerät gegenwärtig gehört, wobei die RTA-Informationen entsprechend einer Netzwerkbereitstellung statisch konfiguriert werden;
oder
Empfangen von RTA-Informationen, welche von der örtlichen Basisstation für das Endgerät konfiguriert werden, Feststellen, ob die für das Endgerät konfigurierten RTA-Informationen zu den RTA-Informationen passen, zu denen das Endgerät gegenwärtig gehört, und Feststellen, dass der RTA aktualisiert werden muss, falls die für das Endgerät konfigurierten RTA-Informationen nicht zu den RTA-Informationen passen, zu denen das Endgerät gegenwärtig gehört, wobei die RTA-Informationen entsprechend Endgerätattributen dynamisch konfiguriert werden.
durch das Endgerät erfolgendes Parsen eines Synchronisierungssignals, eines Referenzsignals oder einer Rundfunknachricht, welche von der örtlichen Basisstation gesendet und von dem Endgerät empfangen werden, um RTA-Informationen der örtlichen Basisstation zu erfassen, welche von dem Synchronisierungssignal, dem Referenzsignal oder der Rundfunknachricht getragen werden, und Aktualisieren der RTA-Informationen, zu denen das Endgerät gehört, basierend auf den RTA-Informationen der örtlichen Basisstation;
wobei vor dem Senden der RTA-Aktualisierungsanfrage an die örtliche Basisstation, das Verfahren ferner aufweist:
falls das Endgerät sich in dem RRC-Ruhezustand oder dem inaktiven Verbindungszustand befindet, durch das Endgerät erfolgendes Empfangen des Synchronisierungssignals, des Referenzsignals oder der Rundfunknachricht, welche von der örtlichen Basisstation gesendet werden, Parsen des Synchronisierungssignals, des Referenzsignals oder der Rundfunknachricht, um RTA-Informationen der örtlichen Basisstation zu erfassen, welche von dem Synchronisierungssignal, dem Referenzsignal oder der Rundfunknachricht getragen werden, und Speichern der RTA-Informationen der örtlichen Basisstation als die RTA-Informationen, zu denen das Endgerät gehört.
durch das Endgerät erfolgendes Parsen der RTA-Aktualisierungsbestätigungsnachricht und Erfassen der RTA-Informationen, welche von der RTA-Aktualisierungsbestätigungsnachricht getragen werden und von der örtlichen Basisstation für das Endgerät konfiguriert werden; und
durch das Endgerät erfolgendes Aktualisieren der RTA-Informationen, zu denen das Endgerät gehört, basierend auf den von der örtlichen Basisstation konfigurierten RTA-Informationen.
durch das Endgerät erfolgendes Parsen der RTA-Aktualisierungsbestätigungsnachricht und Erfassen der RTA-Informationen einer neuen Ankerbasisstation des Endgeräts, welche von der RTA-Aktualisierungsbestätigungsnachricht getragen werden; und
durch das Endgerät erfolgendes Aktualisieren der von dem Endgerät gehaltenen Informationen der Ankerbasisstation des Endgeräts basierend auf den Angabeinformationen der neuen Ankerbasisstation des Endgeräts;
wobei das Verfahren vor dem Senden der RTA-Aktualisierungsanforderung an die örtliche Basisstation ferner aufweist:
durch das Endgerät im RRC-Ruhezustand oder im inaktiven Verbindungszustand erfolgendes Empfangen der von der örtlichen Basisstation für das Endgerät konfigurierten RTA-Informationen und Erfassen der RTA-Informationen, zu denen das Endgerät gehört, basierend auf den von der örtlichen Basisstation konfigurierten RTA-Informationen und Speichern der RTA-Informationen.
einer Anforderungseinheit (71), die dazu ausgebildet ist, falls das Endgerät sich in einem RRC-Ruhezustand oder in einem inaktiven Verbindungszustand befindet, an eine örtliche Basisstation, an der sich das Endgerät befindet, eine Radio-Access-Network-Tracking-Area(RTA)-Aktualisierungsanfrage, welche Informationen einer Ankerbasisstation des Endgeräts trägt, zu senden, wobei der RTA einen Bereich definiert, in welchem eine Netzwerkseite einen Funkruf an das Endgerät einleitet;
einer Wartungsupdateeinheit (72), die dazu ausgebildet ist, eine RTA-Aktualisierungsbestätigungsnachricht, die von der örtlichen Basisstation zugesandt wird, zu empfangen und RTA-Informationen, zu denen das Endgerät gehört, zu aktualisieren; und
einer Triggereinheit, die dazu ausgebildet ist, falls eine voreingestellte RTA-Aktualisierungsperiode erreicht ist, oder festgestellt wird, dass der RTA aktualisiert werden muss, die Anforderungseinheit (71) zu triggern, die RTA-Aktualisierungsanforderung, welche die Informationen der Ankerbasisstation des Endgeräts trägt, an die örtliche Basisstation zu senden,
dadurch gekennzeichnet, dass die Triggereinheit ferner eine Updatefeststellungseinheit aufweist, die dazu ausgebildet ist,
ein Synchronisierungssignal, ein Referenzsignal oder eine Rundfunknachricht, welche von der örtlichen Basisstation gesendet und von dem Endgerät empfangen werden, zu parsen, um RTA-Informationen der örtlichen Basisstation zu erfassen, welche von dem Synchronisierungssignal, dem Referenzsignal oder der Rundfunknachricht getragen werden;
festzustellen, ob die RTA-Informationen der örtlichen Basisstation zu den RTA-Informationen passen, zu denen das Endgerät gegenwärtig gehört, und festzustellen, dass der RTA aktualisiert werden muss, falls die RTA-Informationen der örtlichen Basisstation nicht zu den RTA-Informationen passen, zu denen das Endgerät gegenwärtig gehört, wobei die RTA-Informationen entsprechend einer Netzwerkbereitstellung statisch konfiguriert werden;
oder
RTA-Informationen zu empfangen, welche von der örtlichen Basisstation für das Endgerät konfiguriert werden, festzustellen, ob die für das Endgerät konfigurierten RTA-Informationen zu den RTA-Informationen passen, zu denen das Endgerät gegenwärtig gehört, und festzustellen, dass der RTA aktualisiert werden muss, falls die für das Endgerät konfigurierten RTA-Informationen nicht zu den RTA-Informationen passen, zu denen das Endgerät gegenwärtig gehört, wobei die RTA-Informationen entsprechend Endgerätattributen dynamisch konfiguriert werden.
envoyer (Etape 41), par un terminal dans un état inactif de contrôle de ressources radio, RRC, ou dans un état de connexion inactif, à une station de base résidente où réside le terminal, une demande de mise à jour de zone de suivi de réseau d'accès radio, RTA, portant les informations d'une station de base d'ancrage du terminal, la RTA définissant une zone dans laquelle un côté réseau initie une radiomessagerie vers le terminal; et
recevoir, par le terminal, un message de confirmation de mise à jour de RTA retourné par la station de base résidente, et mettre à jour les informations de RTA à laquelle appartient le terminal (Etape 42);
dans lequel l'envoi, par le terminal dans l'état inactif de contrôle de ressources radio, RRC, ou dans l'état de connexion inactif, à la station de base résidente où réside le terminal, la demande de mise à jour de zone de suivi du réseau d'accès radio, RTA, portant les informations de la station de base d'ancrage du terminal comprend par ailleurs le fait de:
au cas où il est atteint une période de mise à jour de RTA prédéfinie ou il est déterminé que la RTA doit être mise à jour, envoyer la demande de mise à jour de RTA portant les informations de la station de base d'ancrage du terminal à la station de base résidente;
dans lequel la détermination du fait que la RTA doit être mise à jour comprend par ailleurs le fait de:
analyser, par le terminal, un signal de synchronisation, un signal de référence ou un message de diffusion envoyé par la station de base résidente et reçu par le terminal, pour acquérir les informations de RTA de la station de base résidente portées par le signal de synchronisation, le signal de référence ou la message de diffusion;
déterminer si les informations de RTA de la station de base résidente coïncident avec les informations de RTA à laquelle appartient actuellement le terminal, et déterminer que la RTA doit être mise à jour au cas où les informations de RTA de la station de base résidente ne coïncident pas avec les informations de RTA à laquelle appartient actuellement le terminal, où les informations de RTA sont configurées statiquement selon un déploiement de réseau;
ou
recevoir les informations de RTA configurées par la station de base résidente pour le terminal, déterminer si les informations de RTA configurées pour le terminal coïncident avec les informations de RTA à laquelle appartient actuellement le terminal, et déterminer que la RTA doit être mise à jour au cas où les informations de RTA configurées pour le terminal ne coïncident pas avec les informations de RTA à laquelle appartient actuellement le terminal, les informations de RTA étant configurées dynamiquement selon les attributs du terminal.
analyser, par le terminal, un signal de synchronisation, un signal de référence ou un message de diffusion envoyé par la station de base résidente et reçu par le terminal, pour acquérir les informations de RTA de la station de base résidente portées par le signal de synchronisation, le signal de référence ou le message de diffusion, et mettre à jour les informations de RTA à laquelle appartient le terminal sur base des informations de RTA de la station de base résidente;
dans lequel, avant l'envoi de la demande de mise à jour de RTA à la station de base résidente, le procédé comprend par ailleurs le fait de:
au cas où le terminal est dans l'état inactif de RRC ou dans l'état de connexion inactif, recevoir, par le terminal, le signal de synchronisation, le signal de référence ou le message de diffusion envoyé par la station de base résidente, analyser le signal de synchronisation, le signal de référence, ou le message de diffusion pour acquérir les informations de RTA de la station de base résidente portées par le signal de synchronisation, le signal de référence ou le message de diffusion, et mémoriser les informations de RTA de la station de base résidente comme informations de RTA à laquelle appartient le terminal.
analyser, par le terminal, le message de confirmation de mise à jour de RTA, et acquérir les informations de RTA portées par le message de confirmation de mise à jour de RTA et configurées par la station de base résidente pour le terminal; et
mettre à jour, par le terminal, les informations de RTA à laquelle appartient le terminal sur base des informations de RTA configurées par la station de base résidente.
analyser, par le terminal, le message de confirmation de mise à jour de RTA, et acquérir les informations d'indication d'une nouvelle station de base d'ancrage du terminal portées par le message de confirmation de mise à jour de RTA; et
mettre à jour, par le terminal, les informations de la station de base d'ancrage du terminal maintenues par le terminal, sur base des informations d'indication de la nouvelle station de base d'ancrage du terminal;
dans lequel, avant l'envoi de la demande de mise à jour de RTA à la station de base résidente, le procédé comprend par ailleurs le fait de:
recevoir, par le terminal dans l'état inactif de RRC ou l'état de connexion inactif, les informations de RTA configurées par la station de base résidente pour le terminal, et acquérir les informations de RTA à laquelle appartient le terminal sur base des informations de RTA configurées par la station de base résidente et sauvegarder les informations de RTA.
une unité de demande (71), configurée pour envoyer, au cas où le terminal est dans un état inactif de contrôle de ressources radio, RRC, ou dans un état de connexion inactif, à une station de base résidente où réside le terminal, une demande de mise à jour de zone de suivi de réseau d'accès radio, RTA, portant les informations d'une station de base d'ancrage du terminal, la RTA définissant une zone où un côté réseau initie une radiomessagerie vers le terminal;
une unité de mise à jour de maintenance (72), configurée pour recevoir un message de confirmation de mise à jour de RTA retourné par la station de base résidente et mettre à jour les informations de RTA à laquelle appartient le terminal; et
une unité de déclenchement, configurée pour déclencher, au cas où il est atteint une période de mise à jour de RTA prédéfinie ou il est déterminé que la RTA doit être mise à jour, l'unité de demande (71) pour envoyer la demande de mise à jour de RTA portant les informations de la station de base d'ancrage du terminal à la station de base résidente;
caractérisé par le fait que l'unité de déclenchement comprend par ailleurs une unité de détermination de mise à jour configurée pour:
analyser un signal de synchronisation, un signal de référence ou un message de diffusion envoyé par la station de base résidente et reçu par le terminal, pour acquérir les informations de RTA de la station de base résidente portées par le signal de synchronisation, le signal de référence ou le message de diffusion;
déterminer si les informations de RTA de la station de base résidente coïncident avec les informations de RTA à laquelle appartient actuellement le terminal, et déterminer que la RTA doit être mise à jour au cas où les informations de RTA de la station de base résidente ne coïncident pas avec les informations de RTA à laquelle appartient actuellement le terminal, où les informations de RTA sont configurées statiquement selon un déploiement de réseau;
ou
recevoir les informations de RTA configurées par la station de base résidente pour le terminal, déterminer si les informations de RTA configurées pour le terminal coïncident avec les informations de RTA à laquelle appartient actuellement le terminal, et déterminer que la RTA doit être mise à jour au cas où les informations de RTA configurées pour le terminal ne coïncident pas avec les informations de RTA à laquelle appartient actuellement le terminal, les informations de RTA étant configurées dynamiquement selon les attributs du terminal.