METHOD AND SYSTEM FOR RELAY-INITIATED RELAY TEARDOWN OPERATIONS IN WIRELESS COMMUNICATION NETWORKS

• US 20120135677A1
• Filed: 09/26/2011
• Published: 05/31/2012
• Est. Priority Date: 04/16/2010
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Hsu, Ju-Lan, Shao, Huai-Rong, Ngo, Chiu
• Application Number:
  US13/245,753
• Publication Number:
  US 20120135677A1
• Time in Patent Office: Days
• US Class Current: 455/11.1
• CPC Class Codes: H04B 7/15507 Relay station based processing for cell extension or control of coverage area, network planning with network coordinated processing with regard to cell extension H04W16/26; network topologies using dedicated repeater stations H04W84/047; terminal devices adapted for relaying to or from an other terminal H04W88/04
• CPC Class Codes: H04W 76/30 Connection release
• CPC Class Codes: H04W 84/047 using dedicated repeater stations
• CPC Class Codes: H04W 88/04 adapted for relaying to or from another terminal or user

Abstract

Relay-initiated relay teardown operations in wireless communication networks. One embodiment comprises selecting a wireless relay among multiple candidate wireless relays and setting up relay operations using the selected wireless relay for wireless communication between wireless stations via the selected wireless relay. The selected wireless relay provides relay operations for wireless communication for wireless communication between wireless stations via the selected wireless relay. Terminating the relay operations is initiated by the selected wireless relay.

Claims

1. A method of wireless communication over a wireless communication medium using a wireless relay, comprising:

relaying communications between wireless stations using a wireless relay; and

terminating relaying communications between wireless stations, wherein the wireless relay triggers termination of relay of communications between wireless stations.

2. The method of claim 1, wherein terminating relaying communications comprises:

the wireless relay transmitting a relay termination signal to inform one or more of the wireless stations of termination of relay operations by the wireless relay.

3. The method of claim 2, further comprising:

an initiator wireless station and a responder wireless station wirelessly communicating via the wireless relay, wherein the wireless relay relays communications between the initiator wireless station and the responder wireless station.

4. The method of claim 3, wherein terminating relaying communications further comprises:

the wireless relay transmitting a relay termination signal to the initiator wireless station; and

the wireless relay transmitting a relay termination signal to the responder wireless station.

5. The method of claim 3, wherein terminating relaying communications further comprises:

the wireless relay transmitting a relay termination signal to a coordinator wireless station;

in response to the relay termination signal, the coordinator wireless station transmitting a relay termination signal to the initiator wireless station, and the coordinator wireless station transmitting a relay termination signal to the responder wireless station.

6. The method of claim 3, wherein:

the initiator wireless station comprises a source wireless station; and

the responder wireless station comprises a destination wireless station.

7. The method of claim 6, wherein:

the wireless relay, the source wireless station and the destination wireless station operate in a millimeter-wave radio frequency band wireless network.

8. The method of claim 6, wherein:

the wireless relay comprises a relay-capable wireless station.

9. The method of claim 3, further comprising:

maintaining a backup relay; and

upon termination of relay operations by said wireless relay, utilizing the backup relay for wirelessly relaying ongoing communications between the source wireless station and the destination wireless station.

10. The method of claim 1, wherein relaying information between wireless stations comprises:

selecting a wireless relay among multiple candidate wireless relays;

setting up relay operations using the selected wireless relay for wireless communication between wireless stations via the selected wireless relay; and

initiating the transmission of a wireless communication to the selected wireless relay over a wireless communication medium for wireless communication between wireless stations.

11. The method of claim 1, wherein the selected wireless relay has relaying operational parameters comprising wakeup schedule, awake window, and multi-band information.

12. A wireless communication station, comprising:

a relay module that relays communications between wireless stations; and

a physical (PHY) communication layer communicating information over a wireless communication medium;

wherein the relay module terminates relaying communications between said wireless stations by triggering termination of said relaying of communications.

13. The wireless communication station of claim 12, wherein the relay module terminates relaying communications by transmitting a relay termination signal to inform one or more of the wireless stations of termination of relay operations by the wireless relay.

14. The wireless communication station of claim 13, wherein an initiator wireless station and a responder wireless station wirelessly communicate via the wireless relay, and wherein the relay module of the wireless relay relays communications between the initiator wireless station and the responder wireless station.

15. The wireless communication station of claim 14, wherein the relay module terminates relaying communications by:

transmitting a relay termination signal to the initiator wireless station, and transmitting a relay termination signal to the responder wireless station.

16. The wireless communication station of claim 14, wherein the relay module terminates relaying communications by:

transmitting a relay termination signal to a coordinator wireless station, such that in response to the relay termination signal, the coordinator wireless station transmits a relay termination signal to the initiator wireless station, and the coordinator wireless station transmits a relay termination signal to the responder wireless station.

17. The wireless communication station of claim 14, wherein:

the wireless communication station, the initiator wireless station and the responder wireless station operate in a millimeter-wave radio frequency band wireless network.

18. The wireless communication station of claim 12, wherein:

the wireless communication station comprises a relay-capable wireless station.

19. The wireless communication station of claim 12, wherein the wireless communication station has relaying operational parameters comprising wakeup schedule, awake window, and multi-band information.

20. A wireless communication system, comprising:

plural wireless stations;

a wireless relay station comprising a relay module that relays communications between wireless stations; and

a physical (PHY) communication layer communicating information over a wireless communication medium;

wherein the relay module terminates relaying communications between said wireless stations by triggering termination of said relaying of communications.

21. The wireless communication system of claim 20, wherein the relay module terminates relaying communications by transmitting a relay termination signal to inform one or more of the wireless stations of termination of relay operations by the wireless relay.

22. The wireless communication system of claim 21, wherein an initiator wireless station and a responder wireless station wirelessly communicate via the wireless relay station, and wherein the relay module of the wireless relay station relays communications between the initiator wireless station and the responder wireless station.

23. The wireless communication system of claim 22, wherein the relay module terminates relaying communications by:

transmitting a relay termination signal to the initiator wireless station, and transmitting a relay termination signal to the responder wireless station.

24. The wireless communication system of claim 22, wherein the relay module terminates relaying communications by:

transmitting a relay termination signal to a coordinator wireless station, such that in response to the relay termination signal, the coordinator wireless station transmits a relay termination signal to the initiator wireless station, and the coordinator wireless station transmits a relay termination signal to the responder wireless station.

25. The wireless communication system of claim 22, wherein:

the wireless relay station, the initiator wireless station and the responder wireless station operate in a millimeter-wave radio frequency band wireless network.

26. The wireless communication system of claim 20, wherein:

the wireless relay station comprises a relay-capable wireless station.

27. The wireless communication system of claim 20, wherein the wireless relay station has relaying operational parameters comprising wakeup schedule, awake window, and multi-band information.

28. The wireless communication system of claim 20, further comprising a backup wireless relation station such that upon termination of said relay operations, the backup wireless relay station is utilized for wirelessly relaying ongoing communications between the initiator wireless station and a responder wireless station.