Equalization of transmit diversity space-time coded signals
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United States of America Patent
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Dec 23, 2008
Grant Date -
Jan 26, 2006
app pub date -
Aug 25, 2005
filing date -
Apr 13, 2000
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Abstract
In connection with transmitted space-time, trellis encoded, signals that pass through a transmission channel that is characterized by memory, improved performance is realized with a receiver that combines a decoder with an equalizer that selects the trellis transition, s, that minimizes the metric.xi..function..function..times..function..times..function..time-s..function..times..function. ##EQU00001## where {tilde over (h)}.sub.j(l) is related to both the transmission channel and to the encoding structure in the transmitter, {tilde over (s)}(k) are the (trial) symbols according to a certain transition and s(k) are the symbols that were previously decided.
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