Peer-to-peer communications enhancements
An enhanced general superframe structure for peer-to-peer communications in proximity is disclosed, which may be implemented in connection with a variety of different channel access techniques. Additionally, methods are disclosed for enabling multiple P2PNWs in proximity operating under different control schemes, including virtually centralized control, distributed control, and hybrid control, to co-exist. A hyperframe structure is also disclosed, which may comprise two or more superframes, each superframe corresponding to a different one of the corresponding P2PNW control schemes.
1. A peer of a peer-to-peer network under distributed control, wherein each peer in the peer-to-peer network under distributed control is configured to manage control-related communications with peers of different peer-to-peer networks under distributed control, the peer comprising a processor and a memory, the memory containing computer-executable instructions that when executed by the processor, cause the peer to perform steps comprising:
scanning a channel to detect a superframe beacon of a superframe of one or more peer-to-peer networks under virtually centralized control, wherein each of the one or more peer-to-peer networks under virtually centralized control comprises a super virtual leader configured to manage control-related communications between peers of different peer-to-peer networks under virtually centralized control;
decoding the detected superframe beacon to locate a position of a common control and data channel (CCDCH) of the superframe of the one or more peer-to-peer networks under virtually centralized control; and
sending a request message over the CCDCH of the superframe of the one or more peer-to-peer networks under virtually centralized control to indicate the existence of the peer-to-peer network under distributed control and to request channels for use in the distributed control of the peers of the peer-to-peer network under distributed control.
2. The peer recited in claim 1 , wherein the computer-executable instructions further cause the peer to perform a step of decoding a detected superframe beacon of a superframe of the peer-to-peer network under virtually centralized control to locate a position of a reserved time period allocated by the super virtual leader of the peer-to-peer network under virtually centralized control for use by the peers of the peer-to-peer network under distributed control.
3. The peer recited in claim 1 , wherein the request message comprises one or more of an identifier associated with an application of the peer-to-peer network under distributed control, an indication of a category of the application, an indication of the number of active peers in the peer-to-peer network under distributed control, an indication of whether the distributed control will be frame-based or non-frame-based, an indication of whether the distributed control will be contention-based or non-contention-based, an indication of a number of channel time slots requested, an indication of a number of sub-carriers requested, and an indication of a number of resource blocks requested.
4. A peer operating as a super virtual leader of a peer-to-peer network under virtually centralized control in which the super virtual leader is configured to manage control-related communications between peers of different peer-to-peer networks under virtually centralized control, the peer operating as the super virtual leader comprising a processor and a memory, the memory containing computer-executable instructions that when executed by the processor, cause the peer to perform steps comprising:
receiving, over a common control and data channel (CCDCH) of a superframe of the peer-to-peer network under virtually centralized control, a request message from a second peer of a peer-to-peer network under distributed control, the request message indicating the existence of the peer-to-peer network under distributed control and requesting channels for use in the distributed control of the peer-to-peer network under distributed control, wherein each peer in the peer-to-peer network under distributed control is configured to manage control-related communications with peers of different peer-to-peer networks under distributed control;
in response to the request message, allocating reserved time on a channel for use by the peers of the peer-to-peer network under distributed control; and
broadcasting information about the allocation of reserved time to the peers of the peer-to-peer network under distributed control.
5. The peer of claim 4 , wherein the information about the allocation of reserved time includes one or more of an indication of a start time of the reserved time, an indication of the end time of the reserved time, and an indication of the duration of the reserved time.
6. The peer of claim 4 , wherein said broadcasting comprises broadcasting the information about the allocation of reserved time in one of (i) a next beacon of a superframe of the peer-to-peer network under virtually centralized control, or (ii) the CCDCH of a superframe of the peer-to-peer network under virtually centralized control.
7. A peer operating as a super virtual leader of a peer-to-peer network under virtually centralized control in which the super virtual leader is configured to manage control-related communications between peers of different peer-to-peer networks under virtually centralized control, the peer operating as the super virtual leader comprising a processor and a memory, the memory containing computer-executable instructions that when executed by the processor, cause the peer to perform steps comprising:
scanning a channel used by the peers of a peer-to-peer network under distributed control to find a reserved time period on the channel, wherein each peer in the peer-to-peer network under distributed control is configured to manage control-related communications with peers of different peer-to-peer networks under distributed control;
determining whether the reserved time period is of sufficient length to accommodate a superframe for use by the peers of the peer-to-peer network under virtually centralized control; and
if the reserved time period is of sufficient length, inserting a superframe beacon in the reserved time period to start a superframe for use by the peer-to-peer network under virtually centralized control, the insertion of the superframe beacon announcing the existence of the peer-to-peer network under virtually centralized control to the peers of the peer-to-peer network under distributed control.
8. The peer of claim 7 , wherein the superframe beacon inserted by the peer defines the start of a hyperframe that comprises one superframe of the peer-to-peer network under virtually centralized control and one superframe of the peer-to-peer network under distributed control.
9. The peer of claim 7 , wherein if the reserved time is not of sufficient length, the computer-executable instructions further cause the peer to perform steps comprising:
sending, via a common control and data channel (CCDCH) of a superframe of the peer-to-peer network under distributed control, a request for channels for use by the peer-to-peer network under virtually centralized control;
receiving a response to the request; and
based on the response, defining a superframe for use by the peers of the peer-to-peer network under virtually centralized control.
10. A peer operating as a virtual leader of a peer-to-peer network under hybrid control in which the virtual leader is configured to manage control-related communications between peers of different peer-to-peer networks under hybrid control, the peer operating as the virtual leader comprising a processor and a memory, the memory containing computer-executable instructions that when executed by the processor, cause the peer to perform steps comprising:
scanning a channel to detect a superframe beacon of a superframe of one or more peer-to-peer networks under virtually centralized control, wherein one of the one or more peer-to-peer networks under virtually centralized control comprises a super virtual leader configured to manage control-related communications between peers of different peer-to-peer networks under virtually centralized control;
decoding the detected superframe beacon to locate a position of a common control and data channel (CCDCH) of the superframe of the one or more peer-to-peer networks under virtually centralized control; and
sending a request message over the CCDCH of the superframe of the one or more peer-to-peer networks under virtually centralized control to indicate the existence of the peer-to-peer network under hybrid control and to request channels for use in the hybrid control of the peers of the peer-to-peer network under hybrid control.
11. The peer recited in claim 10 , wherein the computer-executable instructions further cause the peer to perform a step of decoding a detected superframe beacon of a superframe of the peer-to-peer network under virtually centralized control to locate a position of a reserved time period allocated by the super virtual leader of the one or more peer-to-peer networks under virtually centralized control for use by the peers of the peer-to-peer network under hybrid control.
12. A peer operating as a super virtual leader of a peer-to-peer network under virtually centralized control in which the super virtual leader is configured to manage control-related communications between peers of different peer-to-peer networks under virtually centralized control, the peer operating as the super virtual leader comprising a processor and a memory, the memory containing computer-executable instructions that when executed by the processor, cause the peer to perform steps comprising:
receiving, over a common control and data channel (CCDCH) of a superframe of the peer-to-peer network under virtually centralized control, a request message from a second peer of a peer-to-peer network under hybrid control, the request message indicating the existence of the peer-to-peer network under hybrid control and requesting channels for use in the hybrid control of the peer-to-peer network under hybrid control, wherein the peer-to-peer network under hybrid control comprises a virtual leader configured to manage control-related communications between peers of the peer-to-peer network under hybrid control and peers of a different peer-to-peer network under hybrid control;
in response to the request message, allocating reserved time on a channel for use by the peers of the peer-to-peer network under hybrid control; and
broadcasting information about the allocation of reserved time to the peers of the peer-to-peer network under hybrid control.
13. The peer of claim 12 , wherein the information about the allocation of reserved time includes one or more of an indication of a start time of the reserved time, an indication of the end time of the reserved time, and an indication of the duration of the reserved time.
14. The peer of claim 12 , wherein said broadcasting comprises broadcasting the information about the allocation of reserved time in one of (i) a next beacon of a superframe of the peer-to-peer network under virtually centralized control, or (ii) the CCDCH of a superframe of the peer-to-peer network under virtually centralized control.
15. A peer operating as a super virtual leader of a peer-to-peer network under virtually centralized control in which the super virtual leader is configured to manage control-related communications between peers of different peer-to-peer networks under virtually centralized control, the peer operating as the super virtual leader comprising a processor and a memory, the memory containing computer-executable instructions that when executed by the processor, cause the peer to perform steps comprising:
scanning a channel used by the peers of a peer-to-peer network under hybrid control to find a reserved time period on the channel, wherein the peer-to-peer network under hybrid control comprises a virtual leader configured to manage control-related communications between peers of the peer-to-peer network under hybrid control and peers of a different peer-to-peer network under hybrid control;
determining whether the reserved time period is of sufficient length to accommodate a superframe for use by the peers of the peer-to-peer network under virtually centralized control; and
if the reserved time period is of sufficient length, inserting a superframe beacon in the reserved time period to start a superframe for use by the peer-to-peer network under virtually centralized control, the insertion of the superframe beacon announcing the existence of the peer-to-peer network under virtually centralized control to the peers of the peer-to-peer network under hybrid control.
16. The peer of claim 15 , wherein the superframe beacon inserted by the peer defines the start of a hyperframe that comprises one superframe of the peer-to-peer network under virtually centralized control and one superframe of the peer-to-peer network under hybrid control.
17. The peer of claim 15 , wherein if the reserved time is not of sufficient length, the computer-executable instructions further cause the peer to perform steps comprising:
sending, via a common control and data channel (CCDCH) of a superframe of the peer-to-peer network under hybrid control, a request for channels for use by the peer-to-peer network under virtually centralized control;
receiving a response to the request; and
based on the response, defining a superframe for use by the peers of the peer-to-peer network under virtually centralized control.
18. A peer of a peer-to-peer network under distributed control, wherein each peer in the peer-to-peer network under distributed control is configured to manage control-related communications with peers of different peer-to-peer networks under distributed control, the peer comprising a processor and a memory, the memory containing computer-executable instructions that when executed by the processor, cause the peer to perform steps comprising:
scanning a channel to detect a superframe beacon of a superframe of a peer-to-peer network under hybrid control, wherein the peer-to-peer network under hybrid control comprises a virtual leader configured to manage control-related communications between peers of the peer-to-peer network under hybrid control and peers of a different peer-to-peer network under hybrid control;
decoding the detected superframe beacon to locate a position of a common control and data channel (CCDCH) of the superframe of the peer-to-peer network under hybrid control; and
sending a request message over the CCDCH of the superframe of the peer-to-peer network under hybrid control to indicate the existence of the peer-to-peer network under distributed control and to request channels for use in the distributed control of the peers of the peer-to-peer network under distributed control.
19. The peer recited in claim 18 , wherein the computer-executable instructions further cause the peer to perform a step of decoding a detected superframe beacon of a superframe of the peer-to-peer network under hybrid control to locate a position of a reserved time period allocated by the peers of the peer-to-peer network under hybrid control for use by the peers of the peer-to-peer network under distributed control.
20. The peer recited in claim 19 , wherein the request message comprises one or more of an identifier associated with an application of the peer-to-peer network under distributed control, an indication of a category of the application, an indication of the number of active peers in the peer-to-peer network under distributed control, an indication of whether the distributed control will be frame-based or non-frame-based, an indication of whether the distributed control will be contention-based or non-contention-based, an indication of a number of channel time slots requested, an indication of a number of sub-carriers requested, and an indication of a number of resource blocks requested.
21. A peer operating as a virtual leader of a peer-to-peer network under hybrid control in which the virtual leader is configured to manage control-related communications between peers of different peer-to-peer networks under hybrid control, the peer operating as the virtual leader comprising a processor and a memory, the memory containing computer-executable instructions that when executed by the processor, cause the peer to perform steps comprising:
scanning a channel used by the peers of a peer-to-peer network under distributed control to find a reserved time period on the channel, wherein each peer in the peer-to-peer network under distributed control is configured to manage control-related communications with peers of different peer-to-peer networks under distributed control;
determining whether the reserved time period is of sufficient length to accommodate a superframe for use by the peers of the peer-to-peer network under hybrid control; and
if the reserved time period is of sufficient length, inserting a superframe beacon in the reserved time period to start a superframe for use by the peer-to-peer network under hybrid control, the insertion of the superframe beacon announcing the existence of the peer-to-peer network under hybrid control to the peers of the peer-to-peer network under distributed control.
22. The peer of claim 21 , wherein the superframe beacon inserted by the peer defines the start of a hyperframe that comprises one superframe of the peer-to-peer network under hybrid control and one superframe of the peer-to-peer network under distributed control.
23. The peer of claim 21 , wherein if the reserved time is not of sufficient length, the computer-executable instructions further cause the peer to perform steps comprising:
sending, via a common control and data channel (CCDCH) of a superframe of the peer-to-peer network under distributed control, a request for channels for use by the peer-to-peer network under hybrid control;
receiving a response to the request; and
based on the response, defining a superframe for use by the peers of the peer-to-peer network under hybrid control.