Apparatus, system and method of discovering a wireless communication device
Some demonstrative embodiments include apparatuses, systems and/or methods of discovering a wireless communication device. For example, a first wireless device may include a radio to communicate over a wireless communication medium according to a discovery scheme including a plurality of contention-based discovery windows (DWs), the radio to communicate with a second wireless device a discovery frame during a first discovery process, the discovery frame including an indication of one or more selected DWs of the plurality of DWs; and a controller to switch the first wireless device between a power save state and an active state, the controller to switch the first wireless device to operate in the active state in the one or more selected discovery windows to discover the second wireless device during a second discovery process, subsequent to the first discovery process.
1. An apparatus comprising:
a memory; and
a processor configured to cause a wireless Neighbor Awareness Networking (NAN) device to:
determine a timing of a plurality of Discovery Windows (DWs) based on a Timing Synchronization Function (TSF);
transmit a frame comprising a field, which comprises a plurality of bits to identify which of the plurality of DWs are to be one or more selected DWs for the NAN device to be awake, based on a wakeup schedule of the NAN device; and
be awake based at least on the selected DWs, and during every DW (DW 0 ) in which 23 least significant bits of the TSF are zero.
2. The apparatus of claim 1 configured to cause the NAN device to:
receive a first frame from an other NAN device during a first DW, which is included in the one or more selected DWs, the first frame comprising a field to identify one or more second DWs of the plurality of DWs, during which the other NAN device is to be awake; and
transmit a second frame to the other NAN device during a DW of the one or more second DWs.
3. The apparatus of claim 2 , wherein at least one of the first frame or the second frame is a service discovery frame.
4. The apparatus of claim 1 , wherein the frame comprises a service discovery frame.
5. The apparatus of claim 1 , wherein the field has a size of two octets.
6. The apparatus of claim 1 configured to cause the NAN device to determine the wakeup schedule based on an indication from a service on the NAN device.
7. The apparatus of claim 1 configured to cause the NAN device to determine the timing of the plurality of DWs according to a time period of 512 Time Units (TUs) between consecutive DWs.
8. The apparatus of claim 1 configured to allow the NAN device not to be awake during one or more other DWs of the plurality of DWs.
9. The apparatus of claim 1 configured to allow the NAN device not to be awake during one or more periods between the plurality of DWs.
10. The apparatus of claim 1 configured to cause the NAN device to synchronize the plurality of DWs according to one or more synchronization beacons.
11. The apparatus of claim 1 comprising Medium Access Control (MAC) circuitry, and Physical Layer (PHY) circuitry.
12. The apparatus of claim 1 comprising a radio.
13. The apparatus of claim 1 comprising one or more antennas.
14. A product comprising one or more tangible computer-readable non-transitory storage media comprising computer-executable instructions operable to, when executed by at least one processor, enable the at least one processor to cause a wireless Neighbor Awareness Networking (NAN) device to:
determine a timing of a plurality of Discovery Windows (DWs) based on a Timing Synchronization Function (TSF);
transmit a frame comprising a field, which comprises a plurality of bits to identify which of the plurality of DWs are to be one or more selected DWs for the NAN device to be awake, based on a wakeup schedule of the NAN device; and
be awake based at least on the selected DWs, and during every DW (DW 0 ) in which 23 least significant bits of the TSF are zero.
15. The product of claim 14 , wherein the instructions, when executed, cause the NAN device to:
receive a first frame from an other NAN device during a first DW, which is included in the one or more selected DWs, the first frame comprising a field to identify one or more second DWs of the plurality of DWs, during which the other NAN device is to be awake; and
transmit a second frame to the other NAN device during a DW of the one or more second DWs.
16. The product of claim 15 , wherein at least one of the first frame or the second frame is a service discovery frame.
17. The product of claim 14 , wherein the frame comprises a service discovery frame.
18. The product of claim 14 , wherein the field has a size of two octets.
19. The product of claim 14 , wherein the instructions, when executed, cause the NAN device to determine the wakeup schedule based on an indication from a service on the NAN device.
20. The product of claim 14 , wherein the instructions, when executed, cause the NAN device to determine the timing of the plurality of DWs according to a time period of 512 Time Units (TUs) between consecutive DWs.
21. The product of claim 14 , wherein the instructions, when executed, cause to allow the NAN device not to be awake during one or more other DWs of the plurality of DWs.
22. The product of claim 14 , wherein the instructions, when executed, cause to allow the NAN device not to be awake during one or more periods between the plurality of DWs.
23. The product of claim 14 , wherein the instructions, when executed, cause the NAN device to synchronize the plurality of DWs according to one or more synchronization beacons.
24. An apparatus comprising:
a memory; and
a processor configured to cause a first wireless Neighbor Awareness Networking (NAN) device to:
determine a timing of a plurality of Discovery Windows (DWs) based on a Timing Synchronization Function (TSF), and be awake during every DW (DW 0 ) in which 23 least significant bits of the TSF are zero;
receive a first frame from a second NAN device, the first frame comprising a field, which comprises a plurality of bits to indicate one or more DWs of the plurality of DWs, during which the second NAN device is to be awake; and
allow the first NAN device to transmit a second frame to the second NAN device during a DW of the one or more DWs, during which the second NAN device is to be awake.
25. The apparatus of claim 24 configured to cause the first NAN device to transmit a service discovery frame comprising an information field to indicate during which of the plurality of DWs the first NAN device is to be awake.
26. The apparatus of claim 24 , wherein the first frame is a service discovery frame.
27. The apparatus of claim 24 , wherein the second frame is a service discovery frame.
28. The apparatus of claim 24 , wherein the field has a size of two octets.
29. The apparatus of claim 24 configured to cause the first NAN device to determine the timing of the plurality of DWs according to a time period of 512 Time Units (TUs) between consecutive DWs.
30. The apparatus of claim 24 configured to cause the first NAN device to synchronize the plurality of DWs according to one or more synchronization beacons.
31. The apparatus of claim 24 comprising Medium Access Control (MAC) circuitry, and Physical Layer (PHY) circuitry.
32. The apparatus of claim 24 comprising a radio.
33. The apparatus of claim 24 comprising one or more antennas.
34. A product comprising one or more tangible computer-readable non-transitory storage media comprising computer-executable instructions operable to, when executed by at least one processor, enable the at least one processor to cause a first wireless Neighbor Awareness Networking (NAN) device to:
determine a timing of a plurality of Discovery Windows (DWs) based on a Timing Synchronization Function (TSF), and be awake during every DW (DW 0 ) in which 23 least significant bits of the TSF are zero;
receive a first frame from a second NAN device, the first frame comprising a field, which comprises a plurality of bits to indicate one or more DWs of the plurality of DWs, during which the second NAN device is to be awake; and
allow the first NAN device to transmit a second frame to the second NAN device during a DW of the one or more DWs, during which the second NAN device is to be awake.
35. The product of claim 34 , wherein the instructions, when executed, cause the first NAN device to transmit a service discovery frame comprising an information field to indicate during which of the plurality of DWs the first NAN device is to be awake.
36. The product of claim 34 , wherein the first frame is a service discovery frame.
37. The product of claim 34 , wherein the second frame is a service discovery frame.
38. The product of claim 34 , wherein the field has a size of two octets.
39. The product of claim 34 , wherein the instructions, when executed, cause the first NAN device to determine the timing of the plurality of DWs according to a time period of 512 Time Units (TUs) between consecutive DWs.
40. The product of claim 34 , wherein the instructions, when executed, cause the first NAN device to synchronize the plurality of DWs according to one or more synchronization beacons.