Layered space time processing in a multiple antenna system

Details Layered space time processing in a multiple antenna system Layered space time processing in a multiple antenna system

2007-05-15

2007-05-15

Nguyen, Duc M. (Department: 2617)

Telecommunications

Receiver or analog modulated signal frequency converter

Modulation distortion or cross talk correction or elimination

C455S067130, C455S101000, C375S267000

Reexamination Certificate

active

09971071

ABSTRACT:
A system and method for performing extended space-time processing. An improved symbol decision is generated of a desired sub-channel of the signal vector by first generating a baseline decision for the sub-channel. A contribution of a strongest sub-channel is subtracted from the signal vector to generate a modified signal vector. The modified signal vector is multiplied by a unitary matrix generated from a QR decomposition of another channel matrix. Channel interference of the remaining sub-channels of the modified signal vector is cancelled from a remaining sub-channel.

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patent: 5323418 (1994-06-01), Ayerst et al.
patent: 6317466 (2001-11-01), Foschini et al.
patent: 6782036 (2004-08-01), Dowling et al.

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