Method and system for transmitting data streams via a...

Details Method and system for transmitting data streams via a... Method and system for transmitting data streams via a...

2011-06-21

2011-06-21

Tran, Khanh C (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

Reexamination Certificate

active

07965783

ABSTRACT:
A method and apparatus are provided for transmitting data streams in a wireless multiple-input-multiple-output (MIMO) communications system. The method comprises receiving a plurality of signals by a first mobile station, the plurality of signals being transmitted from antennas on a second mobile station, computing a plurality of beamforming weighting vectors from the received plurality of signals, calculating a pre-coding parameter matrix for a beamformed MIMO channel between the first and second mobile stations using the plurality of beamforming weighting vectors and the plurality of signals, determining a normalized transmitting power distribution for data streams transmitted via the beamformed MIMO channel, allocating transmitting power to the beamformed MIMO channel, wherein the data streams are transmitted via the beamformed MIMO channel having an optimized transmitting power distribution.

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International Search Report and Written Opinion dated Oct. 3, 2008 cited in PCT/US07/88755.

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