Reduced feedback for beamforming in a wireless communication

Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train

Reexamination Certificate

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C375S299000, C375S260000

Reexamination Certificate

active

07738583

ABSTRACT:
A method for reduced feedback for beamforming in a wireless communication begins by receiving a baseband signal. The method continues by digitally beamforming the baseband signal using a unitary matrix having polar coordinates.

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“Interpolation Based Transmit Beamforming for MIMO-OFDM with Partial Feedback” by Jihoon Choi and Robert W. Heath, Jr. The University of Texas at Austin, Dept. Of Electrical & Computer Engineering, Wireless Networking & Communications Group; Sep. 16, 2003; p. 1-14.
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“Utilizing Digital Downconverters for Efficient Digital Beamforming” by Clint Schreiner, Red River Engineering (5 pages).

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