DEVICE, SYSTEM AND METHOD OF INDICATING STATION-SPECIFIC INFORMATION WITHIN A WIRELESS COMMUNICATION

• US 20150016341A1
• Filed: 09/29/2014
• Published: 01/15/2015
• Est. Priority Date: 05/03/2010
• Status: Active Grant

• Current Assignee: Daedalus Prime LLC (Daedalus Group LLC)
• Original Assignee: Intel Corporation
• Inventors: Trainin, Solomon, Kasher, Assaf
• Granted Patent: US 9,277,419 B2
• Time in Patent Office: Days
• US Class Current: 370/328
• CPC Class Codes: H04W 16/28 using beam steering

Abstract

Some demonstrative embodiments include devices, systems and/or methods of indicating station-specific information within a wireless communication. For example, a device may include a wireless communication unit to transmit a wireless communication frame to a plurality of stations using a respective plurality of beamforming configurations, wherein the wireless communication unit is to transmit to the stations beamforming configuration information including station-specific information corresponding to the plurality of beamforming configurations, respectively.

Claims

1. (canceled)

2. A wireless communication device including one or more processors having circuitry and logic to:

process a signal field of a downlink multi-user (MU) Multi-Input-Multi-Output (MU-MIMO) transmission from an Access Point (AP), the signal field including a first field to identify a plurality of users, and a second field including a plurality of numbers of streams, each number of streams corresponding to a respective one of said plurality of users;

based on said first field, determine from said plurality of numbers of streams a number of streams corresponding to said wireless communication device; and

receive a data field of said MU-MIMO transmission using the number of streams corresponding to said wireless communication device.

3. The wireless communication device of claim 2, wherein the first field indicates locations of the plurality of numbers of streams in the second field.

4. The wireless communication device of claim 2, wherein the first field indicates an order of said plurality of numbers of streams in said second field.

5. The wireless communication device of claim 2, wherein said second field includes four numbers of streams corresponding to four users, respectively.

6. The wireless communication device of claim 2, wherein said signal field comprises a Very High Throughput Signal A (VHT-SIG-A) field.

7. The wireless communication device of claim 2 further including one or more antennas, and a memory.

8. A wireless communication device comprising:

a transmitter to transmit a downlink multi-user (MU) Multi-Input-Multi-Output (MU-MIMO) transmission to a plurality of users, the downlink MU-MIMO transmission including;

a signal field including a first field to identify the plurality of users, and a second field including a plurality of numbers of streams, each number of streams corresponding to a respective one of said plurality of users; and

a data field.

9. The wireless communication device of claim 8, wherein the first field indicates locations of the plurality of numbers of streams in the second field.

10. The wireless communication device of claim 8, wherein the first field indicates an order of said plurality of numbers of streams in said second field.

11. The wireless communication device of claim 8, wherein the data field is a beamformed data field.

12. The wireless communication device of claim 8, wherein the data field is configured according to the plurality of numbers of streams.

13. The wireless communication device of claim 8, wherein said plurality of users includes four users, the second field including four numbers of streams corresponding to said four users, respectively.

14. The wireless communication device of claim 8, wherein said signal field comprises a Very High Throughput Signal A (VHT-SIG-A) field.

15. The wireless communication device of claim 8 being an Access Point (AP).

16. The wireless communication device of claim 8 further including one or more antennas, and a memory,

17. A product including one or more tangible computer-readable non-transitory storage media comprising computer-executable instructions operable to, when executed by at least one computer processor, enable the at least one computer processor to implement a method at a wireless communication station (STA), the method comprising:

receiving a signal field of a downlink multi-user (MU) Multi-Input-Multi-Output (MU-MIMO) transmission from an Access Point (AP), the signal field including a first field to identify a plurality of users, and a second field including a plurality of numbers of streams, each number of streams corresponding to a respective one of said plurality of users;

based on said first field, determining from said plurality of numbers of streams a number of streams corresponding to said STA; and

receiving a data field of said MU-MIMO transmission using the number of streams corresponding to said STA.

18. The product of claim 17, wherein the first field indicates locations of the plurality of numbers of streams in the second field.

19. The product of claim 17, wherein the first field indicates an order of said plurality of numbers of streams in said second field.

20. The product of claim 17, wherein said second field includes four numbers of streams corresponding to four users, respectively.

21. The product of claim 17, wherein said signal field comprises a Very High Throughput Signal A (VHT-SIG-A) field.

22. A method to be performed at a wireless communication station (STA), the method comprising:

receiving a signal field of a downlink multi-user (MU) Multi-Input-Multi-Output (MU-MIMO) transmission from an Access Point (AP), the signal field including a first field to identify a plurality of users, and a second field including a plurality of numbers of streams, each number of streams corresponding to a respective one of said plurality of users;

based on said first field, determining from said plurality of numbers of streams a number of streams corresponding to said STA; and

receiving a data field of said MU-MIMO transmission using the number of streams corresponding to said STA.

23. The method of claim 22, wherein the first field indicates locations of the plurality of numbers of streams in the second field.

24. The method of claim 22, wherein the first field indicates an order of said plurality of numbers of streams in said second field.

25. The method of claim 22, wherein said second field includes four numbers of streams corresponding to four users, respectively.

26. The method of claim 22, wherein said signal field comprises a Very High Throughput Signal A (VHT-SIG-A) field.

27. A product including one or more tangible computer-readable non-transitory storage media comprising computer-executable instructions operable to, when executed by at least one computer processor, enable the at least one computer processor to implement a method comprising:

transmitting a signal field of a downlink multi-user (MU) Multi-Input-Multi-Output (MU-MIMO) transmission to a plurality of users, the signal field including a first field to identify the plurality of users, and a second field including a plurality of numbers of streams, each number of streams corresponding to a respective one of said plurality of users; and

transmitting a data field of said MU-MIMO transmission.

28. The product of claim 27, wherein the first field indicates locations of the plurality of numbers of streams in the second field.

29. The product of claim 27, wherein the first field indicates an order of said plurality of numbers of streams in said second field.

30. The product of claim 27, wherein the data field is a beamformed data field.

31. The product of claim 27, wherein the data field is configured according to the plurality of numbers of streams.

32. The product of claim 27, wherein said plurality of users includes four users, the second field including four numbers of streams corresponding to said four users, respectively.

33. The product of claim 27, wherein said signal field comprises a Very High Throughput Signal A (VHT-SIG-A) field.