Method, system and apparatus of time-division-duplex (TDD) uplink-downlink (UL-DL) configuration management
Some demonstrative embodiments include devices, systems and/or methods of Time-Division Duplexing (TDD) Uplink-Downlink (UL-DL) configuration management. For example, a node may communicate a message including a cell identifier identifying a first cell controlled by the node, and a TDD configuration update to update at least one other node, which controls at least one second cell, with a TDD UL-DL configuration allocated by the node for communication within the first cell.
1. At least one non-transitory computer-readable storage medium comprising instructions that, when executed, cause a system to:
control communication of a message to share load information in an orthogonal frequency-division multiplexing (OFDM) time-division-duplexing (TDD) long term evolution (LTE) or LTE advanced (LTE-A) cellular system, the message having a first information element (IE) to indicate a cell identifier for a first wireless communication cell, a second IE to indicate uplink-downlink (UL-DL) configuration information intended to be used by the first wireless communication cell, and a third IE to indicate a cell identifier for a second wireless communication cell; and
send the message over a communication channel.
2. The non-transitory computer-readable storage medium of claim 1 , the message comprising an X2 application protocol (X2AP) message.
3. The non-transitory computer-readable storage medium of claim 1 , the message comprising a load information message of an X2 application protocol (X2AP).
4. The non-transitory computer-readable storage medium of claim 1 , the first IE comprising a cell identifier IE of a cell information item IE group.
5. The non-transitory computer-readable storage medium of claim 1 , the second IE comprising a dynamic subframe assignment IE of a cell information item IE group, the dynamic subframe assignment IE to indicate the UL-DL configuration information as a value within a set of enumerated values, the value to indicate a predefined UL-DL configuration.
6. The non-transitory computer-readable storage medium of claim 1 , the second IE comprising an UL-DL configuration update IE of a cell information item IE group, the UL-DL configuration update IE to indicate the UL-DL configuration information as a value within a set of enumerated values, each enumerated value to indicate a different predefined UL-DL configuration.
7. The non-transitory computer-readable storage medium of claim 1 , the third IE comprising a target cell identifier IE of an UL high interference information IE group.
8. The non-transitory computer-readable storage medium of claim 1 , comprising instructions that when executed cause the system to send the message to an eNB that controls the second wireless communication cell.
9. A method, comprising:
receiving a message to share load information in an orthogonal frequency-division multiplexing (OFDM) time-division-duplexing (TDD) cellular system, the message having a first information element (IE) to indicate a cell identifier for a first wireless communication cell, a second IE to indicate uplink-downlink (UL-DL) configuration information intended to be used by the first wireless communication cell, and a third IE to indicate a cell identifier for a second wireless communication cell; and
allocating an UL-DL configuration for the second wireless communication cell based at least in part on the UL-DL configuration information intended to be used by the first wireless communication cell.
10. The method of claim 9 , the OFDM TDD cellular system comprising a long term evolution (LTE) or LTE advanced (LTE-A) system.
11. The method of claim 9 , the message comprising an X2 application protocol (X2AP) message.
12. The method of claim 9 , the message comprising a load information message of an X2 application protocol (X2AP).
13. The method of claim 9 , the first IE comprising a cell identifier IE of a cell information item IE group.
14. The method of claim 9 , the second IE comprising a dynamic subframe assignment IE of a cell information item IE group, the dynamic subframe assignment IE to indicate the UL-DL configuration information as a value within a set of enumerated values, the value to indicate a predefined UL-DL configuration.
15. The method of claim 9 , the second IE comprising an UL-DL configuration update IE of a cell information item IE group, the UL-DL configuration update IE to indicate the UL-DL configuration information as a value within a set of enumerated values, each enumerated value to indicate a different predefined UL-DL configuration.
16. The method of claim 9 , the third IE comprising a target cell identifier IE of an UL high interference information IE group.
17. The method of claim 9 , comprising receiving the message from an eNB that controls the first wireless communication cell.
18. A method, comprising:
controlling transmission of a load information message of an X2 application protocol (X2AP) over an orthogonal frequency-division multiplexing (OFDM) time-division-duplexing (TDD) cellular system, the load information message having a cell identifier information element (IE) to indicate a cell identifier for a wireless communication cell, and an uplink-downlink (UL-DL) configuration update IE to indicate UL-DL configuration information intended to be used by the wireless communication cell indicated by the cell identifier; and
sending the load information message over a communication channel.
19. The method of claim 18 , the cell identifier IE comprising part of a cell information item IE group.
20. The method of claim 18 , the UL-DL configuration update IE comprising part of a cell information item IE group, the UL-DL configuration update IE to indicate the UL-DL configuration information as a value within a set of enumerated values, each enumerated value to indicate a defined UL-DL configuration.
21. The method of claim 18 , the load information message having a target cell identifier IE to indicate a different wireless communication cell, the target cell identifier IE comprising part of an UL high interference information IE group.
22. The method of claim 18 , the OFDM TDD cellular system comprising a long term evolution (LTE) or LTE advanced (LTE-A) system.
23. At least one non-transitory computer-readable storage medium comprising instructions that, when executed, cause a system to:
generate a message to share load information in an orthogonal frequency-division multiplexing (OFDM) time-division-duplexing (TDD) cellular system, the message having a first information element (IE) to indicate a cell identifier for a first wireless communication cell, a second IE to indicate uplink-downlink (UL-DL) configuration information intended to be used by the first wireless communication cell, and a third IE to indicate a cell identifier for a second wireless communication cell; and
send the load information message over a communication channel.
24. The non-transitory computer-readable storage medium of claim 23 , comprising instructions that when executed cause the system to send the load information message as OFDM signals.
25. The non-transitory computer-readable storage medium of claim 23 , comprising instructions that when executed cause the system to send the load information message over a data network.
26. The non-transitory computer-readable storage medium of claim 23 , the cell identifier IE comprising part of a cell information item IE group, and the UL-DL configuration update IE comprising part of a cell information item IE group, the UL-DL configuration update IE to indicate the UL-DL configuration information as a value within a set of enumerated values, each enumerated value to indicate a defined UL-DL configuration.
27. The non-transitory computer-readable storage medium of claim 23 , the load information message having a target cell identifier IE to indicate a different wireless communication cell, the target cell identifier IE comprising part of an UL high interference information IE group.