Method and system for transferring wireless transmit/receive unit-specific information
The present invention is related to a method and system for transferring wireless transmit/receive unit (WTRU)-specific information to support enhanced uplink (EU) operation in a wireless communication system. A radio network controller (RNC) obtains WTRU-specific information, and transfers the WTRU-specific information to the Node-Bs. Each Node-B is configured to schedule uplink transmissions from a WTRU and utilizes the WTRU-specific information in operation of EU transmissions.
1. A method of operating a Node-B in a wireless network, the method comprising:
generating, by the Node-B, an enhanced uplink (EU) transmission schedule for a wireless transmit/receive unit (WTRU), wherein the EU transmission schedule is determined by the Node-B based on a message from a radio network controller (RNC) controlling the Node-B, the message from the RNC being based on EU capability information of the WTRU received by the wireless network from the WTRU; and
transmitting, by the Node-B, the EU transmission schedule to the WTRU.
2. The method of claim 1 , wherein the Node-B transmits the EU transmission schedule at an initiation of a service for the WTRU.
3. The method of claim 1 , wherein the EU capability information of the WTRU is included in WTRU-specific information received by the wireless network from the WTRU, the WTRU-specific information further including information affecting data rates and throughput.
4. The method of claim 1 , wherein the EU capability information of the WTRU is included in WTRU-specific information received by the wireless network from the WTRU, the WTRU-specific information further including information on physical and transport channel characteristics.
5. The method of claim 1 , wherein the EU capability information of the WTRU is included in WTRU-specific information received by the wireless network from the WTRU, the WTRU-specific information further including at least one time division duplex (TDD)-specific parameter.
6. The method of claim 1 , wherein the EU capability information of the WTRU is included in WTRU-specific information received by the wireless network from the WTRU, the WTRU-specific information further including WTRU capability information with respect to high-speed downlink packet access (HSDPA).
7. The method of claim 1 , further comprising:
generating, by the Node-B, an updated EU transmission schedule for the WTRU, wherein the updated EU transmission schedule is determined by the Node-B based on another message from the RNC, the another message from the RNC being based on updated EU capability information received by the wireless network from the WTRU; and
transmitting, by the Node-B, the updated EU transmission schedule to the WTRU.
8. The method of claim 7 , wherein the EU capability information of the WTRU included in WTRU-specific information is periodically received by the wireless network and wherein the Node-B transmits the updated EU transmission schedule to the WTRU on a condition that the WTRU-specific information has changed.
9. The method of claim 1 , wherein the EU transmission schedule is transmitted via a wireless communication interface between the WTRU and the Node-B.
10. The method of claim 1 , wherein the wireless network includes at least one Node-B and the RNC and the wireless network is compliant with a Third Generation Partnership Project standard.
11. A wireless transmit/receive unit (WTRU) comprising:
a receiver; and
a transmitter,
wherein the transmitter is configured to transmit enhanced uplink (EU) capability information,
wherein the receiver is configured to receive an EU transmission schedule from one of the at least one Node-Bs controlled by a radio network controller (RNC), wherein the EU transmission schedule is determined by one of the at least one Node-Bs based on a message from the RNC, the message from the RNC being based on EU capability information of the WTRU received by a wireless network from the WTRU.
12. The WTRU of claim 11 , wherein the WTRU receives the EU transmission schedule at an initiation of a service for the WTRU.
13. The WTRU of claim 11 , wherein the EU capability information of the WTRU is included in WTRU-specific information, the WTRU-specific information further including information affecting data rates and throughput.
14. The WTRU of claim 11 , wherein the EU capability information of the WTRU is included in WTRU-specific information, the WTRU-specific information further including information on physical and transport channel characteristics.
15. The WTRU of claim 11 , wherein the EU capability information of the WTRU is included in WTRU-specific information, the WTRU-specific information further including at least one time division duplex (TDD)-specific parameter.
16. The WTRU of claim 11 , wherein the EU capability information of the WTRU is included in WTRU-specific information, the WTRU-specific information further including WTRU capability information with respect to high-speed downlink packet access (HSDPA).
17. The WTRU of claim 11 , wherein
the receiver is further configured to receive an updated EU transmission schedule is determined by the one of the at least one Node-Bs based on another message from the RNC, the another message from the RNC being based on the updated EU capability information received by the wireless network from the WTRU.
18. The WTRU of claim 17 , wherein the transmitter is further configured to transmit the updated EU capability information of the WTRU included in WTRU-specific information periodically to the wireless network and the receiver is further configured to receive the updated EU transmission schedule on a condition that the WTRU-specific information has changed.
19. The WTRU of claim 11 , further comprising a wireless communication interface through which the EU transmission schedule is received.
20. The WTRU of claim 11 , wherein the wireless network includes the at least one Node-B and the RNC and the wireless network is compliant with a Third Generation Partnership Project standard.
21. A method of operating a wireless communication system including a Node-B controlled by a radio network controller (RNC), the method comprising:
wherein the Node-B and the RNC are:
generating, by the Node-B, an enhanced uplink (EU) transmission schedule for a wireless transmit/receive unit (WTRU), wherein the EU transmission schedule is determined by the Node-B based on a message from the RNC, the message from the RNC being based on EU capability information of the WTRU received by the wireless communication system from the WTRU; and
transmitting, by the Node-B, the EU transmission schedule to the WTRU.
22. The method of claim 21 , wherein the Node-B transmits the EU transmission schedule at an initiation of a service for the WTRU.
23. The method of claim 21 , wherein the EU capability information of the WTRU is included in WTRU-specific information received by the wireless communication system from the WTRU, the WTRU-specific information further including information affecting data rates and throughput.
24. The method of claim 21 , wherein the EU capability information of the WTRU is included in WTRU-specific information received by the wireless communication system from the WTRU, the WTRU-specific information further including information on physical and transport channel characteristics.
25. The method of claim 21 , wherein the EU capability information of the WTRU is included in WTRU-specific information received by the wireless communication system from the WTRU, the WTRU-specific information further including at least one time division duplex (TDD)-specific parameter.
26. The method of claim 21 , wherein the EU capability information of the WTRU is included in WTRU-specific information received by the wireless communication system from the WTRU, the WTRU-specific information further including WTRU capability information with respect to high-speed downlink packet access (HSDPA).
27. The method of claim 21 , wherein the Node-B and the RNC are further:
generating, by the Node-B, an updated EU transmission schedule for the WTRU, wherein the updated EU transmission schedule is determined by the Node-B based on another message from the RNC, the another message from the RNC being based on updated EU capability information received by the wireless communication system from the WTRU; and
transmitting, by the Node-B, the updated EU transmission schedule to the WTRU.
28. The method of claim 27 , wherein the EU capability information of the WTRU included in WTRU-specific information is periodically received by the wireless communication system and wherein the Node-B is further configured to transmit the updated EU transmission schedule to the WTRU on a condition that the WTRU-specific information has changed.
29. The method of claim 21 , further comprising a wireless communication interface through which the EU transmission schedule is transmitted.
30. The method of claim 21 , wherein the wireless communication system includes at least one Node-B and the RNC and the wireless communication system is compliant with a Third Generation Partnership Project standard.
31. The method of claim 1 , wherein the message is a radio resource control (RRC) message.
32. The method of claim 7 , wherein the another message is a radio resource control (RRC) message.
33. The WTRU of claim 11 , wherein the message is a radio resource control (RRC) message.
34. The WTRU of claim 17 , wherein the another message is a radio resource control (RRC) message.
35. The method of claim 21 , wherein the message is a radio resource control (RRC) message.
36. The method of claim 27 , wherein the another message is a radio resource control (RRC) message.
37. The method of claim 1 , wherein the message is a radio link setup message.
38. The method of claim 7 , wherein the another message is a radio link setup message.
39. The WTRU of claim 11 , wherein the message is a radio link setup message.
40. The WTRU of claim 17 , wherein the another message is a radio link setup message.
41. The method of claim 21 , wherein the message is a radio link setup message.
42. The method of claim 27 , wherein the another message is a radio link setup message.