Method, system and apparatus of time-division-duplex (TDD) uplink-downlink (UL-DL) configuration management
View Patent ↗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. An evolved node B (eNB), comprising:
circuitry to control communication of 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
a transceiver coupled to the circuitry, the transceiver to transmit the message as OFDM signals.
2. The eNB of claim 1 , the OFDM TDD cellular system comprising a long term evolution (LTE) or LTE advanced (LTE-A) system.
3. The eNB of claim 1 , the message comprising an X2 application protocol (X2AP) message.
4. The eNB of claim 1 , the message comprising a load information message of an X2 application protocol (X2AP).
5. The eNB of claim 1 , the first IE comprising a cell identifier IE of a cell information item IE group.
6. The eNB 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.
7. The eNB 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.
8. The eNB of claim 1 , the third IE comprising a target cell identifier IE of an UL high interference information IE group.
9. The eNB of claim 1 , the transceiver to transmit the message to an eNB that controls the second wireless communication cell.
10. The eNB of claim 1 , comprising one or more antennas coupled to the transceiver, the transceiver to transmit the message as OFDM signals via the one or more antennas.
11. An evolved node B (eNB), comprising:
a transceiver to receive 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
circuitry coupled to the transceiver, the circuitry to allocate 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.
12. The eNB of claim 11 , the OFDM TDD cellular system comprising a long term evolution (LTE) or LTE advanced (LTE-A) system.
13. The eNB of claim 11 , the message comprising an X2 application protocol (X2AP) message.
14. The eNB of claim 11 , the message comprising a load information message of an X2 application protocol (X2AP).
15. The eNB of claim 11 , the first IE comprising a cell identifier IE of a cell information item IE group.
16. The eNB of claim 11 , 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.
17. The eNB of claim 11 , 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.
18. The eNB of claim 11 , the third IE comprising a target cell identifier IE of an UL high interference information IE group.
19. The eNB of claim 11 , the transceiver to receive the message from an eNB that controls the first wireless communication cell.
20. The eNB of claim 11 , comprising one or more antennas coupled to the transceiver, the transceiver to receive the message via the one or more antennas as OFDM signals.
21. An apparatus, comprising:
logic, at least a portion of which is implemented in hardware, to control 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
a radio coupled to the logic, the radio to transmit the load information message as OFDM signals.
22. The apparatus of claim 21 , the cell identifier IE comprising part of a cell information item IE group.
23. The apparatus of claim 21 , 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.
24. The apparatus of claim 21 , 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.
25. The apparatus of claim 21 , the OFDM TDD cellular system comprising a long term evolution (LTE) or LTE advanced (LTE-A) system.
26. A method, comprising:
generating 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
sending the load information message over a communication channel.
27. The method of claim 26 , comprising transmitting the load information message as OFDM signals.
28. The method of claim 26 , comprising sending the load information message over a data network.
29. The method of claim 26 , 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.
30. The method of claim 26 , 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.