Bidirectional Iterative Beam Forming

1. An apparatus, comprising: a phased antenna array; a transceiver communicatively coupled to the phased antenna array; and an antenna control module communicatively coupled to the transceiver and the phased antenna array, the antenna control module to initiate beam formation operations using an iterative training scheme to form a pair of communications channels for a wireless network wherein the pair of communication channels includes a high rate physical (HRP) channel and a low rate physical (LRP) channel, receive and send training signals over the HRP channel, and receive and send feedback information over the HRP channel.

2. The apparatus of claim 1 , comprising: a display; a processor; and a memory coupled with the processor.

3. The apparatus of claim 1 , the formation of the HRP channel comprising: sending training signals to a peer device over the HRP channel; receiving feedback information from the peer device over the LRP channel; and determining antenna-array weight vectors (AWV) for a directional transmit beam pattern for a phase antenna array based on the feedback information.

4. The apparatus of claim 1 , the antenna control module to send transmitting timing acquisition sequences over the HRP channel.

5. The apparatus of claim 1 , the antenna control module to send transmitting delay selection sequences over the HRP channel.

6. The apparatus of claim 1 , the antenna control module to send transmitter training signals to a peer device over the HRP channel, the transmitter training signals for use in forming a directional transmit beam pattern for the phased antenna array.

7. The apparatus of claim 1 , the antenna control module to receive receiver training signals from a peer device over the HRP to form a directional receive beam pattern for the phased antenna array.

8. The apparatus of claim 1 , the antenna control module to receive transmitter training signals from a peer device over the HRP to form a directional transmit beam pattern for a phased antenna array of the peer device.

9. The apparatus of claim 1 , the antenna control module to receive feedback information from a peer device over the LRP channel using a directional receive beam pattern for the phased antenna array.

10. The apparatus of claim 1 , the antenna control module to send feedback information to a peer device over the LRP channel using a directional transmit beam pattern for the phased antenna array, the feedback information for use in determining antenna-array weight vectors (AWV) for a directional transmit beam pattern for a phased antenna array of the peer device.

11. The apparatus claim 1 , the antenna control module to continue beam forming operations using multiple iterations until a determined signal-to-noise ratio for data communications is reached or a determined number of iterations is reached.

12. A method comprising: initiating beam formation operations using an iterative training scheme to establish a pair of communications channels between a first device and a second device for a wireless network wherein the pair of communication channels includes a high rate physical (HRP) channel and a low rate physical (LRP) channel; receiving, by the first device, training signals from the second device over the HRP channel; and sending, by the first device, feedback information to the second device over the HRP channel.

13. The method of claim 12 , the establishment of the HRP channel comprising: sending, by the first device, training signals to the second device over the HRP channel; receiving, by the first device, feedback information from the second device over the LRP channel; and determining antenna-array weight vectors (AWV) for a directional transmit beam pattern for a phase antenna array based on the feedback information.

14. The method of claim 12 , the establishment of the HRP channel comprising transmitting timing acquisition sequences.

15. The method of claim 12 , the establishment of the HRP channel comprising transmitting delay selection sequences.

16. The method of claim 12 , comprising sending transmitter training signals from the first device to the second device over the HRP channel to form a directional transmit beam pattern for a phased antenna array of the first device.

17. The method of claim 12 , comprising receiving receiver training signals by the first device from the second device over the HRP channel to form a directional receive beam pattern for a phased antenna array of the first device.

18. The method of claim 12 , comprising receiving transmitter training signals by the first device from the second device over the HRP channel to form a directional transmit beam pattern for a phased antenna array of the second device.

19. The method of claim 12 , comprising: receiving feedback information by the first device from the second device over the LRP channel using a directional receive beam pattern for a phased antenna array of the first device; and determining antenna-array weight vectors (AWV) for a directional transmit beam pattern for a phased antenna array of the first device using the feedback information from the second device.

20. The method of claim 12 , comprising sending feedback information from the first device to the second device over the LRP channel using a directional transmit beam pattern for a phased antenna array of the first device, the feedback information for use in determining antenna-array weight vectors (AWV) for a directional transmit beam pattern for a phased antenna array of the second device using the feedback information from the first device.

21. The method of claim 12 , comprising communicating training signals and feedback information, and determining antenna-array vector weights (AWV) for a directional transmit beam pattern for a phased antenna array of the first device, using multiple iterations until a determined signal-to-noise ratio for data communications is reached or until a determined number of iterations is reached.

22. An article comprising a non-transitory computer-readable storage medium containing a plurality of instructions that when executed enable a processor to: initiate beam formation operations using an iterative training scheme to establish a pair of communications channels for a wireless network wherein the pair of communication channels includes a high rate physical (HRP) channel and a low rate physical (LRP) channel; receive training signals from a peer device over the HRP channel; and send feedback information to the peer device over the HRP channel.

23. The article of claim 22 , the non-transitory computer-readable storage medium comprising instructions that when executed enable the processor to: send training signals to the peer device over the HRP channel; receive feedback information from the peer device over the LRP channel; and determine antenna-array weight vectors (AWV) for a directional transmit beam pattern for a phase antenna array based on the feedback information.

24. The article of claim 22 , the non-transitory computer-readable storage medium comprising instructions that when executed enable the processor to transmit timing acquisition sequences to establish the HRP channel.

25. The article of claim 22 , the non-transitory computer-readable storage medium comprising instructions that when executed enable the processor to transmit delay selection sequences to establish the HRP channel.

26. The article of claim 22 , the non-transitory computer-readable storage medium comprising instructions that when executed enable the processor to send transmitter training signals to the peer device over the HRP channel to form a directional transmit beam pattern for a phased antenna array.

27. The article of claim 22 , the non-transitory computer-readable storage medium comprising instructions that when executed enable the processor to receive receiver training signals from the peer device over the HRP channel to form a directional receive beam pattern for a phased antenna array.

28. The article of claim 22 , the non-transitory computer-readable storage medium comprising instructions that when executed enable the processor to receive transmitter training signals from the peer device over the HRP channel to form a directional transmit beam pattern for a phased antenna array of the peer device.

29. The article of claim 22 , the non-transitory computer-readable storage medium comprising instructions that when executed enable the processor to: receive feedback information from the peer device over the LRP channel using a directional receive beam pattern for a phased antenna array; and determine antenna-array weight vectors (AWV) for a directional transmit beam pattern for the phased antenna array using the feedback information from the peer device.

30. The article of claim 22 , the non-transitory computer-readable storage medium comprising instructions that when executed enable the processor to send feedback information to the peer device over the LRP channel using a directional transmit beam pattern for a phased antenna array, the feedback information for use in determining antenna-array weight vectors (AWV) for a directional transmit beam pattern for a phased antenna array of the peer device using the feedback information.

31. The article of claim 22 , the non-transitory computer-readable storage medium comprising instructions that when executed enable the processor to communicate training signals and feedback information, and determining antenna-array vector weights (AWV) for the directional transmit beam pattern for a phased antenna array using multiple iterations until a determined signal-to-noise ratio for data communications is reached or until a determined number of iterations is reached.