Adaptive modulation and coding

Details Adaptive modulation and coding Adaptive modulation and coding

2006-09-05

2006-09-05

Tran, Pablo N. (Department: 2618)

Telecommunications

Transmitter

Diversity

C455S102000, C455S106000, C455S107000, C455S115100, C455S115300, C375S219000, C375S267000, C375S347000, C370S329000

Reexamination Certificate

active

07103325

ABSTRACT:
The present invention selects a space-time encoding mode to use when transmitting with spatial diversity based on the receive diversity associated with a receiver device and the quality of the transmission channels based on information fed back from the receiver device. The selectable space-time encoding modes are preferably space-time transmit diversity encoding and a version of BLAST-type encoding. Further, modulation modes, error encoding rates, or a combination thereof, may also be based on the quality of the transmission channels and the available diversity of the receiver device.

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