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);
be awake during every DW (DW 0 ) in which 23 least significant bits of the TSF are zero;
determine a plurality of awake DWs, based on four bits, from bit 19 to bit 22 , of the TSF and an indication from a service on the NAN device; and
be awake during at least the plurality of awake DWs.
2. The apparatus of claim 1 , wherein the indication from the service comprises an indication of which DWs of the plurality of DWs are to be the awake DWs.
3. The apparatus of claim 1 , wherein the plurality of awake DWs is within an interval of 16 DWs.
4. The apparatus of claim 1 configured to cause the NAN device to determine the plurality of awake DWs based on a plurality of different indications from a respective plurality of services on the NAN device.
5. The apparatus of claim 1 configured to cause the NAN device to transmit a service discovery frame comprising a field comprising a plurality of bits to identify which of the plurality of DWs are to be the awake DWs.
6. 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.
7. The apparatus of claim 1 configured to cause the NAN device to communicate a NAN service discovery frame during at least one of the plurality of awake 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 storing computer-executable instructions operable to, when executed by at least one computer processor, enable the at least one computer 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);
be awake during every DW (DW 0 ) in which 23 least significant bits of the TSF are zero;
determine a plurality of awake DWs, based on four bits, from bit 19 to bit 22 , of the TSF and an indication from a service on the NAN device; and
be awake during at least the plurality of awake DWs.
15. The product of claim 14 , wherein the indication from the service comprises an indication of which DWs of the plurality of DWs are to be the awake DWs.
16. The product of claim 14 , wherein the plurality of awake DWs is within an interval of 16 DWs.
17. The product of claim 14 , wherein the instructions, when executed, cause the NAN device to determine the plurality of awake DWs based on a plurality of different indications from a respective plurality of services on the NAN device.
18. The product of claim 14 , wherein the instructions, when executed, cause the NAN device to transmit a service discovery frame comprising a field comprising a plurality of bits to identify which of the plurality of DWs are to be the awake DWs.
19. The product of claim 14 , wherein the instructions, when executed, cause the NAN device to communicate a NAN service discovery frame during at least one of the plurality of awake DWs.
20. 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.
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 periods between the plurality of DWs.
22. 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);
operate the NAN device at an awake state at least during every DW (DW 0 ) in which 23 least significant bits of the TSF are zero, and during one or more first DWs of the plurality of DWs, which are based on four bits, from bit 19 to bit 22 , of the TSF; and
allow the NAN device to operate at a non-awake state during one or more second DWs of the plurality of DWs.
23. The apparatus of claim 22 configured to cause the NAN device to determine the one or more first DWs based on an indication from a service on the NAN device.
24. The apparatus of claim 23 , wherein the indication from the service comprises an indication of which DWs of the plurality of DWs are to be the one or more first DWs.
25. The apparatus of claim 23 configured to cause the NAN device to determine the one or more first DWs based on a plurality of different indications from a respective plurality of services.
26. The apparatus of claim 22 , wherein the one or more first DWs are within an interval of 16 DWs.
27. The apparatus of claim 22 configured to cause the NAN device to transmit a service discovery frame comprising a field comprising a plurality of bits to identify the one or more first DWs.
28. The apparatus of claim 22 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.
29. The apparatus of claim 22 configured to cause the NAN device to communicate a service discovery frame during at least one of the one or more first DWs.
30. The apparatus of claim 22 configured to allow the NAN device not to be awake during one or more periods between the plurality of DWs.
31. The apparatus of claim 22 configured to cause the NAN device to synchronize the plurality of DWs according to one or more synchronization beacons.
32. The apparatus of claim 22 comprising Medium Access Control (MAC) circuitry, and Physical Layer (PHY) circuitry.
33. The apparatus of claim 22 comprising a radio.
34. The apparatus of claim 22 comprising one or more antennas.
35. A product comprising one or more tangible computer-readable non-transitory storage media storing computer-executable instructions operable to, when executed by at least one computer processor, enable the at least one computer 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);
operate the NAN device at an awake state at least during every DW (DW 0 ) in which 23 least significant bits of the TSF are zero, and during one or more first DWs of the plurality of DWs, which are based on four bits, from bit 19 to bit 22 , of the TSF; and
allow the NAN device to operate at a non-awake state during one or more second DWs of the plurality of DWs.
36. The product of claim 35 , wherein the instructions, when executed, cause the NAN device to determine the one or more first DWs based on an indication from a service on the NAN device.
37. The product of claim 36 , wherein the indication from the service comprises an indication of which DWs of the plurality of DWs are to be the one or more first DWs.
38. The product of claim 36 , wherein the instructions, when executed, cause the NAN device to determine the one or more first DWs based on a plurality of different indications from a respective plurality of services.
39. The product of claim 35 , wherein the instructions, when executed, cause the NAN device to transmit a service discovery frame comprising a field comprising a plurality of bits to identify the one or more first DWs.
40. The product of claim 35 , wherein the instructions, when executed, cause the NAN device to communicate a service discovery frame during at least one of the one or more first DWs.
41. The product of claim 35 , wherein the instructions, when executed, cause the NAN device to synchronize the plurality of DWs according to one or more synchronization beacons.