Equalization of transmit diversity space-time coded signals

Details Equalization of transmit diversity space-time coded signals Equalization of transmit diversity space-time coded signals

2006-03-07

2006-03-07

Corrielus, Jean B (Department: 2637)

Pulse or digital communications

Equalizers

C375S347000, C375S350000, C375S265000, C714S795000, C714S796000

Reexamination Certificate

active

07010029

ABSTRACT:
A method executed in a receiver that combines a decoder with an equalizer in a single module, comprising receiving at time k a signal r(k) in the receiver. Selecting as a signal transmitted by a transmitter a signal that minimizes the following equation metricξj⁡(k)=r⁡(k)-∑l=L1+1L1⁢h_j⁡(l)⁢s~⁡(k-l)-∑l=L1+1L+1⁢h~j⁡(l)⁢s^⁡(k-l)2where {tilde over (h)}j(l) is related to both the transmission channel and to the encoding structure in the transmitter, {tilde over (s)}(k) is a trial symbol specified by a selected trellis transition and ŝ(k) is a symbol that was previously decided. Applying the selected signal to the decoder to decode received symbols.

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