Method and system for analog beamforming in wireless communication systems
First Claim
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1. A method of analog beamforming in a wireless system including transceivers with multiple antennas, comprising the steps of:
- performing an iterative beam acquisition process based on beam search training; and
determining optimized transmit and receive beamforming vectors comprising phase weighting coefficients, based on the iterative beam acquisition process;
wherein each iteration includes estimating the receive and transmit beamforming coefficients alternatively, until the receive and transmit beamforming coefficients converge.
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Abstract
A method and system for analog beamforming in a wireless system is provided. Analog beamforming involves performing an iterative beam acquisition process based on beam search training, determining transmit and receive beamforming vectors including phase weighting coefficients, based on the iterative beam acquisition process. Each iteration includes estimating the receive and transmit beamforming coefficients alternatively, until the receive and transmit beamforming coefficients converge.
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Citations
34 Claims
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1. A method of analog beamforming in a wireless system including transceivers with multiple antennas, comprising the steps of:
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performing an iterative beam acquisition process based on beam search training; and determining optimized transmit and receive beamforming vectors comprising phase weighting coefficients, based on the iterative beam acquisition process; wherein each iteration includes estimating the receive and transmit beamforming coefficients alternatively, until the receive and transmit beamforming coefficients converge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A wireless transmitter, comprising:
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an analog beamforming module configured for performing beam search training and performing an iterative beam acquisition process for finding transmit and receive beamforming vectors comprising phase weighting coefficients, each iteration including estimating the receive and transmit beamforming coefficients alternatively, until the receive and transmit beamforming coefficients converge; and a phase shifter array configured for wireless communication using the beamforming vector phase weighting coefficients. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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27. A wireless receiver, comprising:
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an estimation module configured for beam search training; an analog beamforming module configured for beamforming estimation based on receiver side antenna diversity and the beam search training, wherein beamforming estimation includes iterative beam acquisition process for finding optimized transmit and receive beamforming vectors comprising phase weighting coefficients, each iteration including estimating the receive and transmit beamforming coefficients alternatively, until the receive and transmit beamforming coefficients converge; and a phase shifter array configured for wireless communication using the beamforming vector phase weighting coefficients. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34)
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Specification