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System and method of robust sequence estimation in the presence of channel mismatch conditions
System and method of robust sequence estimation in the presence of channel mismatch conditions
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机译:存在信道失配条件时的鲁棒序列估计系统和方法
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摘要
An adaptive communications receiver for data-transmission which comprises a channel estimator and sequence estimator. The channel estimator consists of a recursive least squares algorithm which uses a known training signal or past decisions to provide a channel estimate. The sequence estimator consists of a new recursive algorithm which uses the channel estimate to estimate the information sequence transmitted over the channel. The receiver exploits the commonality between the sequence and channel estimator to provide an efficient implementation. The receiver can have varying degrees of non-linearity and is lower in complexity and more robust than linear or decision feedback equalizers in the presence of channel mismatch.
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