Multiplying symbol streams by rectangular matrix of (P/M)×1 vectors
First Claim
Patent Images
1. A method of transmission of a symbol stream, comprising:
- (a) providing P transmit antennas where P is an integer greater than or equal to 3;
(b) splitting a data stream into M symbol streams to transmit from the P antennas through communication channels where M is an integer greater than or equal to 2; and
(c) multiplying the symbol streams by a rectangular matrix that corresponds to a diagonal M×
M block matrix of (P/M)×
1 vectors where each (P/M)×
1 vector corresponds to weights for a symbol stream of the M symbol streams.
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Abstract
Closed loop multiple-antenna wireless communications system with antenna weights determined by maximizing a composite channel signal-to-interference-plus-noise ratio minimum. Multiplexed symbol streams over subsets of antennas enhance throughput.
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Citations
20 Claims
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1. A method of transmission of a symbol stream, comprising:
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(a) providing P transmit antennas where P is an integer greater than or equal to 3; (b) splitting a data stream into M symbol streams to transmit from the P antennas through communication channels where M is an integer greater than or equal to 2; and (c) multiplying the symbol streams by a rectangular matrix that corresponds to a diagonal M×
M block matrix of (P/M)×
1 vectors where each (P/M)×
1 vector corresponds to weights for a symbol stream of the M symbol streams. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification