| (11) | EP 3 687 097 A1 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | RECEIVING REFERENCE SIGNAL CONFIGURATION INFORMATION |
(57) Embodiments of the present invention disclose a method and a device for notifying reference signal configuration information, and relate to the field of communications technologies. The method includes: coding, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information, to obtain a CSI-RS configuration information code; storing a mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, and sending the mapping relation to a UE for storage; searching, in the stored mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, for a CSI-RS configuration information code corresponding to CSI-RS configuration information to be notified; and sending the found CSI-RS configuration information code to the UE, so that the UE determines CSI-RS configuration information according to the received CSI-RS configuration information code and the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, where the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the UE. In the embodiments of the present invention, the CSI-RS configuration information is notified to the UE in the form of the CSI-RS configuration information code, so that the UE determines the CSI-RS configuration information according to the CSI-RS configuration information code, thus not only lowering the overhead, but also ensuring that CSI-RSs of multiple cells do not collide with each other.
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FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION
SUMMARY OF THE INVENTION
coding, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information, to obtain a CSI-RS configuration information code, where the CSI-RS configuration information includes at least the number of ports, a pilot pattern, a pilot period and a sub-frame offset;
storing a mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, and sending the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information to a user equipment (UE) for storage;
determining CSI-RS configuration information to be notified, and searching, in the stored mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, for a CSI-RS configuration information code corresponding to the CSI-RS configuration information to be notified; and sending the found CSI-RS configuration information code to the UE, so that the UE determines CSI-RS configuration information according to the received CSI-RS configuration information code and the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, where the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the UE.
a coding module, configured to code, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information, to obtain a CSI-RS configuration information code, where the CSI-RS configuration information includes at least the number of ports, a pilot pattern, a pilot period and a sub-frame offset;
a storing module, configured to store a mapping relation between the CSI-RS configuration information code obtained by the coding module and the CSI-RS configuration information;
a first sending module, configured to send the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, where the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the storing module, to a user equipment (UE) for storage;
a searching module, configured to determine CSI-RS configuration information to be notified, and searching, in the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, for a CSI-RS configuration information code corresponding to the CSI-RS configuration information to be notified, where the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the storing module; and
a second sending module, configured to send the CSI-RS configuration information code found by the searching module to the UE, so that the UE determines CSI-RS configuration information according to the received CSI-RS configuration information code and the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, where the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is pre-stored by the UE.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a flow chart of a method for notifying reference signal configuration information according to Embodiment 1 of the present invention;
FIG. 2 is a flow chart of a method for notifying reference signal configuration information according to Embodiment 2 of the present invention;
FIG. 3 is a schematic diagram of a first type of pilot patterns according to Embodiment 2 of the present invention;
FIG. 4 is a schematic diagram of a second type of pilot patterns according to Embodiment 2 of the present invention;
FIG. 5 is a schematic diagram of a third type of pilot patterns according to Embodiment 2 of the present invention;
FIG. 6 is a schematic diagram of a fourth type of pilot patterns according to Embodiment 2 of the present invention;
FIG. 7 is a schematic structural diagram of a device for notifying reference signal configuration information according to Embodiment 3 of the present invention;
FIG. 8 is a schematic structural diagram of a first type of a coding module according to Embodiment 3 of the present invention;
FIG. 9 is a schematic structural diagram of a second type of a coding module according to Embodiment 3 of the present invention;
FIG. 10 is a schematic structural diagram of a third type of a coding module according to Embodiment 3 of the present invention;
FIG. 11 is a schematic structural diagram of a fourth type of a coding module according to Embodiment 3 of the present invention;
FIG. 12 is a schematic structural diagram of a fifth type of a coding module according to Embodiment 3 of the present invention; and
FIG. 13 is a schematic structural diagram of a sixth type of a coding module according to Embodiment 3 of the present invention.
DETAILED DESCRIPTION OF THE EMBODIMENTS
Embodiment 1
101: Code, according to CSI (Channel State Information, channel state information)-RS (Reference Signal, reference signal) configuration information, the CSI-RS configuration information, to obtain a CSI-RS configuration information code, where the CSI-RS configuration information includes at least the number of ports, a pilot pattern, a pilot period and a sub-frame offset.
102: Store a mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, and send the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information to a UE for storage.
103: Determine CSI-RS configuration information to be notified, and search, in the stored mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, for a CSI-RS configuration information code corresponding to the CSI-RS configuration information to be notified.
104: Send the found CSI-RS configuration information code to the UE, so that the UE determines CSI-RS configuration information according to the received CSI-RS configuration information code and the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, where the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the UE.
Embodiment 2
The Number of Ports of the CSI-RS | 2 | 4 | 8 |
The available number of pilot patterns of the CSI-RS for an ordinary CP | 20 | 10 | 5 |
The available number of pilot patterns of the CSI-RS for an ordinary CP w/o CRS ports 2/3 | 32 | 16 | 8 |
The available number of pilot patterns of the CSI-RS for an extended CP | 16 | 8 | 4 |
The available number of pilot patterns of the CSI-RS for an extended CP w/o CRS ports 2/3 | 28 | 14 | 7 |
8-port Pilot Pattern | Code |
First type of the 8-port pilot pattern | 000 |
Second type of the 8-port pilot pattern | 001 |
Third type of the 8-port pilot pattern | 010 |
Fourth type of the 8-port pilot pattern | 011 |
Fifth type of the 8-port pilot pattern | 100 |
Sixth type of the 8-port pilot pattern | 101 |
Seventh type of the 8-port pilot pattern | 110 |
Eighth type of the 8-port pilot pattern | 111 |
Bit | 1st | 2nd | 3rd | 4th | 5th | 6th |
2 ports | 0 | 0: the front half part of the 4-port pattern 1: the rear half part of the 4-port pattern | 0: the front half part of the 8-port pattern 1: the rear half part of the 8-port pattern | x | x | x |
4 ports | 1 | 0 | 0: the front half part of the 8-port pattern 1: the rear half part of the 8-port pattern | x | x | x |
8 ports | 1 | 1 | 0 | x | x | x |
No CSI-RS | 1 | 1 | 1 | 1 | 1 | 1 |
Embodiment 3
a coding module 701, configured to code, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information, to obtain a CSI-RS configuration information code, where the CSI-RS configuration information includes at least the number of ports, a pilot pattern, a pilot period and a sub-frame offset;
a storing module 702, configured to store a mapping relation between the CSI-RS configuration information code obtained by the coding module 701 and the CSI-RS configuration information;
a first sending module 703, configured to send the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information to a user equipment (UE) for storage, where the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the storing module 702;
a searching module 704, configured to determine CSI-RS configuration information to be notified, and search, in the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, for a CSI-RS configuration information code corresponding to the CSI-RS configuration information to be notified, where the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the storing module 702; and
a second sending module 705, configured to send the CSI-RS configuration information code found by the searching module 704 to the UE, so that the UE determines CSI-RS configuration information according to the received CSI-RS configuration information code and the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, where the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the UE.
a first coding unit 7011a, configured to perform joint coding on the number of ports, the pilot pattern, the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a first joint coding result; and
a first establishing unit 7011b, configured to establish a mapping relation between the first joint coding result obtained by the first coding unit 7011a and the number of ports, the pilot pattern, the pilot period and the sub-frame offset that are in the CSI-RS configuration information, where
correspondingly, the CSI-RS configuration information code sent by the second sending module 705 is one of the first joint coding results.
a second coding unit 7012a, configured to perform correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information, to obtain a first coding result;
a second establishing unit 7012b, configured to establish a mapping relation between the first coding result obtained by the second coding unit 7012a and the number of ports and the pilot pattern that are in the CSI-RS configuration information;
a third coding unit 7013a, configured to perform correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a second coding result; and
a third establishing unit 7013b, configured to establish a mapping relation between the second coding result obtained by the third coding unit 7013a and the pilot period and the sub-frame offset that are in the CSI-RS configuration information, where
correspondingly, the CSI-RS configuration information code sent by the second sending module 705 is any coding result in the first coding results and any coding result in the second coding results.
a fourth coding unit 7014a, configured to perform joint coding on the number of ports, the pilot pattern, the pilot period, the sub-frame offset and the data muting position that are in the CSI-RS configuration information, to obtain a second joint coding result; and
a fourth establishing unit 7014b, configured to establish a mapping relation between the second joint coding result obtained by the fourth coding unit 7014a and the number of ports, the pilot pattern, the pilot period, the sub-frame offset and the data muting position that are in the CSI-RS configuration information, where
the CSI-RS configuration information code sent by the second sending module 705 is one of the second joint coding results.
a second coding unit 7012a, configured to perform correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information, to obtain a first coding result;
a second establishing unit 7012b, configured to establish a mapping relation between the first coding result obtained by the second coding unit 7012a and the number of ports and the pilot pattern that are in the CSI-RS configuration information;
a third coding unit 7013a, configured to perform correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a second coding result;
a third establishing unit 7013b, configured to establish a mapping relation between the second coding result obtained by the third coding unit 7013a and the pilot period and the sub-frame offset that are in the CSI-RS configuration information;
a fifth coding unit 7015a, configured to code the data muting position in the CSI-RS configuration information, to obtain a third coding result; and
a fifth establishing unit 7015b, configured to establish a mapping relation between the third coding result obtained by the fifth coding unit 7015a and the data muting position in the CSI-RS configuration information, where
the CSI-RS configuration information code sent by the second sending module 705 is any coding result in the first coding results, any coding result in the second coding results and any coding result in the third coding results.
a sixth coding unit 7016a, configured to perform joint coding on the number of ports, the pilot pattern, the pilot period, the sub-frame offset, the data muting position, the data muting period and the data muting offset that are in the CSI-RS configuration information, to obtain a third joint coding result; and
a sixth establishing unit 7016b, configured to establish a mapping relation between the third joint coding result obtained by the sixth coding unit 7016a and the number of ports, the pilot pattern, the pilot period, the sub-frame offset, the data muting position, the data muting period and the data muting offset that are in the CSI-RS configuration information, where
the CSI-RS configuration information code sent by the second sending module 705 is one of the third joint coding results.
a second coding unit 7012a, configured to perform correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information, to obtain a first coding result;
a second establishing unit 7012b, configured to establish a mapping relation between the first coding result obtained by the second coding unit 7012a and the number of ports and the pilot pattern that are in the CSI-RS configuration information;
a third coding unit 7013a, configured to perform correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a second coding result;
a third establishing unit 7013b, configured to establish a mapping relation between the second coding result obtained by the third coding unit 7013a and the pilot period and the sub-frame offset that are in the CSI-RS configuration information;
a fifth coding unit 7015a, configured to code the data muting position in the CSI-RS configuration information, to obtain a third coding result;
a fifth establishing unit 7015b, configured to establish a mapping relation between the third coding result obtained by the fifth coding unit 7015a and the data muting position in the CSI-RS configuration information;
a seventh coding unit 7017a, configured to perform correlative coding on the data muting period and the data muting offset that are in the CSI-RS configuration information, to obtain a fourth coding result; and
a seventh establishing unit 7017b, configured to establish a mapping relation between the fourth coding result obtained by the seventh coding unit 7017a and the data muting period and the data muting offset that are in the CSI-RS configuration information, where
the CSI-RS configuration information code sent by the second sending module 705 is any coding result in the first coding results, any coding result in the second coding results, any coding result in the third coding results and any coding result in the fourth coding results.
Embodiment 1. A method for notifying reference signal configuration information, comprising:
coding, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information, to obtain a CSI-RS configuration information code, wherein the CSI-RS configuration information comprises at least the number of ports, a pilot pattern, a pilot period and a sub-frame offset;
storing a mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, and sending the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information to a user equipment (UE) for storage;
determining CSI-RS configuration information to be notified, and searching, in the stored mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, for a CSI-RS configuration information code corresponding to the CSI-RS configuration information to be notified; and
sending the found CSI-RS configuration information code to the UE, so that the UE determines CSI-RS configuration information according to the received CSI-RS configuration information code and the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, wherein the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the UE.
Embodiment 2. The method according to embodiment 1, wherein the coding, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information comprises:
performing joint coding on the number of ports, the pilot pattern, the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a first joint coding result, and establishing a mapping relation between the first joint coding result and the number of ports, the pilot pattern, the pilot period and the sub-frame offset that are in the CSI-RS configuration information, wherein
correspondingly, the CSI-RS configuration information code sent to the UE is one of the first joint coding results.
Embodiment 3. The method according to embodiment 1, wherein the coding, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information comprises:
performing correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information, to obtain a first coding result, and establishing a mapping relation between the first coding result and the number of ports and the pilot pattern that are in the CSI-RS configuration information; and
performing correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a second coding result, and establishing a mapping relation between the second coding result and the pilot period and the sub-frame offset that are in the CSI-RS configuration information, wherein
correspondingly, the CSI-RS configuration information code sent to the UE is any coding result in the first coding results and any coding result in the second coding results.
Embodiment 4. The method according to embodiment 1, wherein the CSI-RS configuration information further comprises a data muting position;
correspondingly, the coding, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information comprises:
performing joint coding on the number of ports, the pilot pattern, the pilot period, the sub-frame offset and the data muting position that are in the CSI-RS configuration information, to obtain a second joint coding result, and establishing a mapping relation between the second joint coding result and the number of ports, the pilot pattern, the pilot period, the sub-frame offset and the data muting position that are in the CSI-RS configuration information; and
correspondingly, the CSI-RS configuration information code sent to the UE is one of the second joint coding results.
Embodiment 5. The method according to embodiment 1, wherein the CSI-RS configuration information further comprises a data muting position;
correspondingly, the coding, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information comprises:
performing correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information, to obtain a first coding result, and establishing a mapping relation between the first coding result and the number of ports and the pilot pattern that are in the CSI-RS configuration information;
performing correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a second coding result, and establishing a mapping relation between the second coding result and the pilot period and the sub-frame offset that are in the CSI-RS configuration information; and
coding the data muting position in the CSI-RS configuration information, to obtain a third coding result, and establishing a mapping relation between the third coding result and the data muting position in the CSI-RS configuration information; and
correspondingly, the CSI-RS configuration information code sent to the UE is any coding result in the first coding results, any coding result in the second coding results, and any coding result in the third coding results.
Embodiment 6. The method according to embodiment 1, wherein the CSI-RS configuration information further comprises a data muting position, a data muting period and a data muting offset;
correspondingly, the coding, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information comprises:
performing joint coding on the number of ports, the pilot pattern, the pilot period, the sub-frame offset, the data muting position, the data muting period and the data muting offset that are in the CSI-RS configuration information, to obtain a third joint coding result, and establishing a mapping relation between the third joint coding result and the number of ports, the pilot pattern, the pilot period, the sub-frame offset, the data muting position, the data muting period and the data muting offset that are in the CSI-RS configuration information; and
correspondingly, the CSI-RS configuration information code sent to the UE is one of the third joint coding results.
Embodiment 7. The method according to embodiment 1, wherein the CSI-RS configuration information further comprises a data muting position, a data muting period and a data muting offset;
correspondingly, the coding, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information comprises:
performing correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information, to obtain a first coding result, and establishing a mapping relation between the first coding result and the number of ports and the pilot pattern that are in the CSI-RS configuration information;
performing correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a second coding result, and establishing a mapping relation between the second coding result and the pilot period and the sub-frame offset that are in the CSI-RS configuration information;
coding the data muting position in the CSI-RS configuration information, to obtain a third coding result, and establishing a mapping relation between the third coding result and the data muting position in the CSI-RS configuration information; and
performing correlative coding on the data muting period and the data muting offset that are in the CSI-RS configuration information, to obtain a fourth coding result, and establishing a mapping relation between the fourth coding result and the data muting period and the data muting offset that are in the CSI-RS configuration information; and
correspondingly, the CSI-RS configuration information code sent to the UE is any coding result in the first coding results, any coding result in the second coding results, any coding result in the third coding results and any coding result in the fourth coding results.
Embodiment 8. The method according to embodiment 3, 5 or 7, wherein the performing the correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information comprises:
determining a corresponding relation between the number of ports and the pilot pattern that are in the CSI-RS configuration information, and performing joint coding on or respectively coding the number of ports and the pilot pattern that are in the CSI-RS configuration information according to the corresponding relation; and
the performing the correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information comprises:
determining a corresponding relation between the pilot period and the sub-frame offset that are in the CSI-RS configuration information, and performing joint coding on or respectively coding the pilot period and the sub-frame offset that are in the CSI-RS configuration information according to the corresponding relation.
Embodiment 9. The method according to embodiment 7, wherein the performing the correlative coding on the data muting period and the data muting offset that are in the CSI-RS configuration information comprises:
determining a corresponding relation between the data muting period and the data muting offset that are in the CSI-RS configuration information, and performing joint coding on or respectively coding the data muting period and the data muting offset that are in the CSI-RS configuration information according to the corresponding relation.
Embodiment 10. The method according to embodiment 5 or 7, wherein the coding the data muting position in the CSI-RS configuration information comprises:
performing coding, in a bitmap manner, on the data muting position according to a pilot pattern position in the CSI-RS configuration information.
Embodiment 11. The method according to embodiment 1, wherein the sending the CSI-RS configuration information code to the user equipment (UE) comprises:
adding a bit used to carry the CSI-RS configuration information code in a system information block of a broadcast channel;
or, using a remaining bit in a master information block to carry the CSI-RS configuration information code in the broadcast channel;
or, defining a new system information block used to carry the CSI-RS configuration information code in the broadcast channel;
or, using a unicast channel to carry the CSI-RS configuration information code.
Embodiment 12. A device for notifying reference signal configuration information, comprising:
a coding module, configured to code, according to channel state information-reference signal (CSI-RS) configuration information, the CSI-RS configuration information, to obtain a CSI-RS configuration information code, wherein the CSI-RS configuration information comprises at least the number of ports, a pilot pattern, a pilot period and a sub-frame offset;
a storing module, configured to store a mapping relation between the CSI-RS configuration information code obtained by the coding module and the CSI-RS configuration information;
a first sending module, configured to send the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, wherein the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the storing module, to a user equipment (UE) for storage;
a searching module, configured to determine CSI-RS configuration information to be notified, and searching, in the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, for a CSI-RS configuration information code corresponding to the CSI-RS configuration information to be notified, wherein the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the storing module; and
a second sending module, configured to send the CSI-RS configuration information code found by the searching module to the UE, so that the UE determines CSI-RS configuration information according to the received CSI-RS configuration information code and the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information, wherein the mapping relation between the CSI-RS configuration information code and the CSI-RS configuration information is stored by the UE.
Embodiment 13. The device according to embodiment 12, wherein the coding module comprises:
a first coding unit, configured to perform joint coding on the number of ports, the pilot pattern, the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a first joint coding result; and
a first establishing unit, configured to establish a mapping relation between the first joint coding result obtained by the first coding unit and the number of ports, the pilot pattern, the pilot period and the sub-frame offset that are in the CSI-RS configuration information, wherein
correspondingly, the CSI-RS configuration information code sent by the second sending module is one of the first joint coding results.
Embodiment 14. The device according to embodiment 12, wherein the coding module comprises:
a second coding unit, configured to perform correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information, to obtain a first coding result;
a second establishing unit, configured to establish a mapping relation between the first coding result obtained by the second coding unit and the number of ports and the pilot pattern that are in the CSI-RS configuration information;
a third coding unit, configured to perform correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a second coding result; and
a third establishing unit, configured to establish a mapping relation between the second coding result obtained by the third coding unit and the pilot period and the sub-frame offset that are in the CSI-RS configuration information, wherein
correspondingly, the CSI-RS configuration information code sent by the second sending module is any coding result in the first coding results and any coding result in the second coding results.
Embodiment 15. The device according to embodiment 12, wherein the CSI-RS configuration information further comprises a data muting position;
correspondingly, the coding module comprises:
a fourth coding unit, configured to perform joint coding on the number of ports, the pilot pattern, the pilot period, the sub-frame offset and the data muting position that are in the CSI-RS configuration information, and obtain a second joint coding result; and
a fourth establishing unit, configured to establish a mapping relation between the second joint coding result obtained by the fourth coding unit and the number of ports, the pilot pattern, the pilot period, the sub-frame offset and the data muting position that are in the CSI-RS configuration information, wherein
correspondingly, the CSI-RS configuration information code sent by the second sending module is one of the second joint coding results.
Embodiment 16. The device according to embodiment 12, wherein the CSI-RS configuration information further comprises a data muting position;
correspondingly, the coding module comprises:
a second coding unit, configured to perform correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information, to obtain a first coding result;
a second establishing unit, configured to establish a mapping relation between the first coding result obtained by the second coding unit and the number of ports and the pilot pattern that are in the CSI-RS configuration information;
a third coding unit, configured to perform correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a second coding result;
a third establishing unit, configured to establish a mapping relation between the second coding result obtained by the third coding unit and the pilot period and the sub-frame offset that are in the CSI-RS configuration information;
a fifth coding unit, configured to code the data muting position in the CSI-RS configuration information, to obtain a third coding result; and
a fifth establishing unit, configured to establish a mapping relation between the third coding result obtained by the fifth coding unit and the data muting position in the CSI-RS configuration information, wherein
the CSI-RS configuration information code sent by the second sending module is any coding result in the first coding results, any coding result in the second coding results and any coding result in the third coding results.
Embodiment 17. The device according to embodiment 12, wherein the CSI-RS configuration information further comprises a data muting position, a data muting period and a data muting offset;
correspondingly, the coding module comprises:
a sixth coding unit, configured to perform joint coding on the number of ports, the pilot pattern, the pilot period, the sub-frame offset, the data muting position, the data muting period and the data muting offset that are in the CSI-RS configuration information, to obtain a third joint coding result; and
a sixth establishing unit, configured to establish a mapping relation between the third joint coding result obtained by the sixth coding unit and the number of ports, the pilot pattern, the pilot period, the sub-frame offset, the data muting position, the data muting period and the data muting offset that are in the CSI-RS configuration information, wherein
the CSI-RS configuration information code sent by the second sending module is one of the third joint coding results.
Embodiment 18. The device according to embodiment 12, wherein the CSI-RS configuration information further comprises a data muting position, a data muting period and a data muting offset;
correspondingly, the coding module comprises:
a second coding unit, configured to perform correlative coding on the number of ports and the pilot pattern that are in the CSI-RS configuration information, to obtain a first coding result;
a second establishing unit, configured to establish a mapping relation between the first coding result obtained by the second coding unit and the number of ports and the pilot pattern that are in the CSI-RS configuration information;
a third coding unit, configured to perform correlative coding on the pilot period and the sub-frame offset that are in the CSI-RS configuration information, to obtain a second coding result;
a third establishing unit, configured to establish a mapping relation between the second coding result obtained by the third coding unit and the pilot period and the sub-frame offset that are in the CSI-RS configuration information;
a fifth coding unit, configured to code the data muting position in the CSI-RS configuration information, to obtain a third coding result;
a fifth establishing unit, configured to establish a mapping relation between the third coding result obtained by the fifth coding unit and the data muting position in the CSI-RS configuration information;
a seventh coding unit, configured to perform correlative coding on the data muting period and the data muting offset that are in the CSI-RS configuration information, to obtain a fourth coding result; and
a seventh establishing unit, configured to establish a mapping relation between the fourth coding result obtained by the seventh coding unit and the data muting period and the data muting offset that are in the CSI-RS configuration information, wherein
the CSI-RS configuration information code sent by the second sending module is any coding result in the first coding results, any coding result in the second coding results, any coding result in the third coding results and any coding result in the fourth coding results.
Embodiment 19. The device according to embodiment 14, 16 or 18, wherein the second coding unit is specifically configured to determine a corresponding relation between the number of ports and the pilot pattern that are in the CSI-RS configuration information, and perform joint coding on or respectively code the number of ports and the pilot pattern that are in the CSI-RS configuration information according to the corresponding relation; and
the third coding unit is specifically configured to determine a corresponding relation between the pilot period and the sub-frame offset that are in the CSI-RS configuration information, and perform joint coding on or respectively code the pilot period and the sub-frame offset that are in the CSI-RS configuration information according to the corresponding relation.
Embodiment 20. The device according to embodiment 18, wherein the seventh coding unit is specifically configured to determine a corresponding relation between the data muting period and the data muting offset that are in the CSI-RS configuration information, and perform joint coding on or respectively code the data muting period and the data muting offset that are in the CSI-RS configuration information according to the corresponding relation.
Embodiment 21. The device according to embodiment 12, wherein the second sending module is specifically configured to add a bit used to carry the CSI-RS configuration information code in a system information block of a broadcast channel; or, use a remaining bit in a master information block to carry the CSI-RS configuration information code in the broadcast channel; or, define a new system information block used to carry the CSI-RS configuration information code in the broadcast channel; or, use a unicast channel to carry the CSI-RS configuration information code.
Embodiment 22. The device according to embodiments 16 and 18, wherein the fifth coding unit is specifically configured to perform coding, in a bitmap manner, on the data muting position according to a pilot pattern position in the CSI-RS configuration information.
receiving (205), by a user equipment, channel state information-reference signal, CSI-RS, configuration information code through a downlink channel, wherein the CSI-RS configuration information code comprises a first coding result among multiple first coding results, and a second coding result among multiple second coding results, the first coding result is a result of respective coding on the number of ports of CSI-RS and a pilot pattern, and the second coding result is a result of correlative coding on a pilot period and a sub-frame offset; and
determining, by the user equipment, CSI-RS configuration information according to the CSI-RS configuration information code and mapping relations between the CSI-RS configuration information code and the CSI-RS configuration information.
REFERENCES CITED IN THE DESCRIPTION
Patent documents cited in the description