COORDINATED RESOURCE DISCOVERY

• US 20180110022A1
• Filed: 03/30/2017
• Published: 04/19/2018
• Est. Priority Date: 10/13/2016
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Fan, Michael Mingxi, Montojo, Juan, Bhushan, Naga, Damnjanovic, Aleksandar, Sadek, Ahmed Kamel
• Granted Patent: US 10,616,845 B2
• Time in Patent Office: Days
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 56/001 Synchronization between nodes
• CPC Class Codes: H04W 56/002 Mutual synchronization
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/56 based on priority criteria

Abstract

Methods, systems, and devices for wireless communication are described that provide for discovery of resources in a wireless communications system. The wireless communications system supports operations for multiple network operating entities that share a radio frequency spectrum. To discover and perform synchronization with the wireless communications system, a common preamble may be transmitted by nodes associated with multiple network operating entities. The common preamble may include information common to each of the multiple network operating entities which may be used by a device to identify neighboring wireless nodes, available network operating entities, or sub-intervals designated for prioritized or opportunistic use by one or more network operating entities.

Claims

1. A method for wireless communication, comprising:

receiving, within a frame in a shared radio frequency spectrum band shared by a plurality of network operating entities, a common preamble for synchronizing the plurality of network operating entities with the frame;

receiving, during an acquisition sub-interval of the frame and after receipt of the common preamble, one or more network operating entity-specific signals; and

identifying, based on the one or more network operating entity-specific signals, neighboring wireless nodes.

2. The method of claim 1, further comprising:

receiving the common preamble from multiple wireless nodes, wherein each of the multiple wireless nodes operates according to at least one of the plurality of network operating entities.

3. The method of claim 1, wherein the common preamble comprises information related to the acquisition sub-interval of the frame, synchronization information for the frame, or combinations thereof.

4. The method of claim 3, wherein the information related to the acquisition sub-interval of the frame comprises at least one of a beginning of the acquisition sub-interval, an end of the acquisition sub-interval, a duration of the acquisition sub-interval, or combinations thereof.

5. The method of claim 1, wherein the common preamble comprises a signature common to each of the plurality of network operating entities.

6. The method of claim 1, further comprising:

identifying multiple sub-intervals of the frame, each of the multiple sub-intervals designated for prioritized use by one of the plurality of network operating entities.

7. The method of claim 6, wherein the multiple sub-intervals are non-overlapping.

8. The method of claim 6, wherein the multiple sub-intervals are disjoint.

9. The method of claim 6, wherein the identifying multiple sub-intervals is based at least in part on the common preamble, the one or more network operating entity-specific signals, or combinations thereof.

10. The method of claim 1, wherein nodes from the same network operating entity share the same network operating entity-specific signal.

11. The method of claim 1, further comprising:

identifying multiple sub-intervals of the frame, each of the multiple sub-intervals designated for opportunistic use by one of the plurality of network operating entities.

12. The method of claim 11, further comprising:

receiving priority information associated with one or more network operating entities of the plurality of network operating entities.

13. The method of claim 12, wherein the priority information indicates a priority level for each of the one or more network operating entities for using one or more of the multiple sub-intervals.

14. An apparatus for wireless communication, comprising:

means for receiving, within a frame in a shared radio frequency spectrum band shared by a plurality of network operating entities, a common preamble for synchronizing the plurality of network operating entities with the frame;

means for receiving, during an acquisition sub-interval of the frame and after receipt of the common preamble, one or more network operating entity-specific signals; and

means for identifying, based on the one or more network operating entity-specific signals, neighboring wireless nodes.

15. The apparatus of claim 14, further comprising:

means for receiving the common preamble from multiple wireless nodes, wherein each of the multiple wireless nodes operates according to at least one of the plurality of network operating entities.

16. The apparatus of claim 14, wherein the common preamble comprises information related to the acquisition sub-interval of the frame, synchronization information for the frame, or combinations thereof.

17. An apparatus for wireless communication, in a system comprising:

a processor;

memory in electronic communication with the processor; and

instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to;

receive, within a frame in a shared radio frequency spectrum band shared by a plurality of network operating entities, a common preamble for synchronizing the plurality of network operating entities with the frame;

receive, during an acquisition sub-interval of the frame and after receipt of the common preamble, one or more network operating entity-specific signals; and

identify, based on the one or more network operating entity-specific signals, neighboring wireless nodes.

18. The apparatus of claim 17, wherein the instructions are further executable by the processor to:

receive the common preamble from multiple wireless nodes, wherein each of the multiple wireless nodes operates according to at least one of the plurality of network operating entities.

19. The apparatus of claim 17, wherein the common preamble comprises information related to the acquisition sub-interval of the frame, synchronization information for the frame, or combinations thereof.

20. The apparatus of claim 19, wherein the information related to the acquisition sub-interval of the frame comprises at least one of a beginning of the acquisition sub-interval, an end of the acquisition sub-interval, a duration of the acquisition sub-interval, or combinations thereof.

21. The apparatus of claim 17, wherein the common preamble comprises a signature common to each of the plurality of network operating entities.

22. The apparatus of claim 17, wherein the instructions are further executable by the processor to:

identify multiple sub-intervals of the frame, each of the multiple sub-intervals designated for prioritized use by one of the plurality of network operating entities.

23. The apparatus of claim 22, wherein the multiple sub-intervals are non-overlapping.

24. The apparatus of claim 22, wherein the multiple sub-intervals are disjoint.

25. The apparatus of claim 22, wherein the identifying multiple sub-intervals is based at least in part on the common preamble, the one or more network operating entity-specific signals, or combinations thereof.

26. The apparatus of claim 17, wherein nodes from the same network operating entity share the same network operating entity-specific signal.

27. The apparatus of claim 17, wherein the instructions are further executable by the processor to:

identify multiple sub-intervals of the frame, each of the multiple sub-intervals designated for opportunistic use by one of the plurality of network operating entities.

28. The apparatus of claim 27, wherein the instructions are further executable by the processor to:

receive priority information associated with one or more network operating entities of the plurality of network operating entities.

29. The apparatus of claim 28, wherein the priority information indicates a priority level for each of the one or more network operating entities for using one or more of the multiple sub-intervals.

30. A method for wireless communication, comprising:

receiving, in a shared radio frequency spectrum band shared by a plurality of network operating entities, one or more network operating entity-specific signals; and

identifying, based at least in part on the one or more network operating entity-specific signals, neighboring wireless nodes.