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COMMUNICATIONS CHANNEL SYMBOL RECOVERY BY COMBINING OUTPUTS AT DIFFERENT DECISION DELAYS
COMMUNICATIONS CHANNEL SYMBOL RECOVERY BY COMBINING OUTPUTS AT DIFFERENT DECISION DELAYS
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机译:通过组合在不同决策延迟下的输出来进行通信信道符号恢复
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摘要
A method and apparatus for communications channel symbol recovery that improves equalizer performance adds together the log-likelihood ratios (LLRs) of different decision delays rather than using LLRs corresponding only to a single decision delay. A low complexity method comprises, determining an initial coarse delay and a set of fine delays (1003), estimating a training sequence and filter taps set for each fine delay (1007), determining an error function for each fine delay (1009), and linearly combining the filter taps (1013) for determining the symbol estimates (1017).
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