Multi-link beamforming training techniques for 60 GHz wireless networks
View Patent ↗Various embodiments may be generally directed to multi-link beamforming training techniques for 60 GHz wireless networks. In some embodiments, a 60 GHz-capable device in a 60 GHz wireless network may train wireless links with multiple other 60 GHz-capable devices simultaneously. In various embodiments, the multiple wireless links may be trained simultaneously using a multi-link beamforming training packet that comprises a format designed for simultaneous training of multiple wireless links. Other embodiments are described and claimed.
1. An apparatus, comprising:
a memory; and
logic for a wireless communication device, at least a portion of the logic comprised in circuitry coupled to the memory, the logic to:
identify a feedback order for a multi-link beamforming training packet, the multi-link beamforming training packet to comprise an extended control physical layer (PHY) header containing an information element to indicate a number of preambles comprised in a preamble sequence of the multi-link beamforming training packet;
determine a feedback transmission time for the wireless communication device based on the feedback order;
train a wireless link with a remote device based on one or more training fields comprised in the multi-link beamforming training packet; and
generate beamforming training feedback for transmission to the remote device at the feedback transmission time.
2. The apparatus of claim 1 , the multi-link beamforming training packet to comprise the preamble sequence and a header sequence, the header sequence to comprise a respective corresponding header for each preamble of the preamble sequence.
3. The apparatus of claim 2 , the logic to determine the feedback order based on an order of a plurality of headers comprised in the header sequence.
4. The apparatus of claim 2 , the preamble sequence to precede the header sequence within the multi-link beamforming training packet.
5. The apparatus of claim 2 , the preamble sequence interleaved with the header sequence within the multi-link beamforming training packet.
6. A system, comprising:
the apparatus of claim 1 ; and
at least one radio frequency (RF) transceiver.
7. An apparatus, comprising:
a memory; and
logic for a wireless communication device, at least a portion of the logic comprised in circuitry coupled to the memory, the logic to:
identify a plurality of links to be trained via a multi-link beamforming training procedure, each of the plurality of links to comprise a wireless link with a respective one of a plurality of remote devices;
generate a multi-link beamforming training packet for transmission during the multi-link beamforming training procedure, the multi-link beamforming training packet to comprise an extended control physical layer (PHY) header containing an information element to indicate a number of preambles comprised in a preamble sequence of the multi-link beamforming training packet; and
process beamforming training feedback received in response to the multi-link beamforming training packet according to a feedback order for the multi-link beamforming training packet.
8. The apparatus of claim 7 , the multi-link beamforming training packet to comprise the preamble sequence and a header sequence, the header sequence to comprise a respective corresponding header for each preamble of the preamble sequence.
9. The apparatus of claim 8 , an order of a plurality of headers within the header sequence to indicate the feedback order.
10. The apparatus of claim 8 , the preamble sequence to precede the header sequence within the multi-link beamforming training packet.
11. The apparatus of claim 8 , the preamble sequence interleaved with the header sequence within the multi-link beamforming training packet.
12. At least one non-transitory computer-readable storage medium comprising a set of instructions that, in response to being executed at a wireless communication device, cause the wireless communication device to:
identify a feedback order for a multi-link beamforming training packet, the multi-link beamforming training packet to comprise an extended control physical layer (PHY) header containing an information element to indicate a number of preambles comprised in a preamble sequence of the multi-link beamforming training packet;
determine a feedback transmission time for the wireless communication device based on the feedback order;
train a wireless link with a remote device based on one or more training fields comprised in the multi-link beamforming training packet; and
generate beamforming training feedback for transmission to the remote device at the feedback transmission time.
13. The at least one non-transitory computer-readable storage medium of claim 12 , the multi-link beamforming training packet to comprise the preamble sequence and a header sequence, the header sequence to comprise a respective corresponding header for each preamble of the preamble sequence.
14. The at least one non-transitory computer-readable storage medium of claim 13 , comprising instructions that, in response to being executed on the computing device, cause the computing device to determine the feedback order based on an order of a plurality of headers comprised in the header sequence.
15. The at least one non-transitory computer-readable storage medium of claim 13 , the preamble sequence to precede the header sequence within the multi-link beamforming training packet.
16. The at least one non-transitory computer-readable storage medium of claim 13 , the preamble sequence interleaved with the header sequence within the multi-link beamforming training packet.
17. At least one non-transitory computer-readable storage medium comprising a set of instructions that, in response to being executed at a wireless communication device, cause the wireless communication device to:
identify a plurality of links to be trained via a multi-link beamforming training procedure, each of the plurality of links to comprise a wireless link with a respective one of a plurality of remote devices;
generate a multi-link beamforming training packet for transmission during the multi-link beamforming training procedure, the multi-link beamforming training packet to comprise an extended control physical layer (PHY) header containing an information element to indicate a number of preambles comprised in a preamble sequence of the multi-link beamforming training packet; and
process beamforming training feedback received in response to the multi-link beamforming training packet according to a feedback order for the multi-link beamforming training packet.
18. The at least one non-transitory computer-readable storage medium of claim 17 , the multi-link beamforming training packet to comprise the preamble sequence and a header sequence, the header sequence to comprise a respective corresponding header for each preamble of the preamble sequence.
19. The at least one non-transitory computer-readable storage medium of claim 18 , an order of a plurality of headers within the header sequence to indicate the feedback order.
20. The at least one non-transitory computer-readable storage medium of claim 18 , the preamble sequence to precede the header sequence within the multi-link beamforming training packet.
21. The at least one non-transitory computer-readable storage medium of claim 18 , the preamble sequence interleaved with the header sequence within the multi-link beamforming training packet.