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Maximum Likelihood Bit-Stream Generation and Detection Using M-Algorithm and Infinite Impulse Response Filtering
Maximum Likelihood Bit-Stream Generation and Detection Using M-Algorithm and Infinite Impulse Response Filtering
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机译:使用M算法和无限冲激响应滤波的最大似然比特流生成和检测
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摘要
Maximum likelihood bit-stream generation and detection techniques are provided using the M-algorithm and Infinite Impulse Response (IIR) filtering. The M-Algorithm is applied to a target input signal X to perform Maximum Likelihood Sequence Estimation on the target input signal X to produce a digital bit stream B, such that after filtering by an IIR filter, the produced digital stream Y produces an error signal satisfying one or more predefined requirements. The predefined requirements comprise, for example, a substantially minimum error. In an exemplary bit detection implementation, the target input signal X comprises an observed analog signal and the produced digital stream Y comprises a digitized output of a receive channel corresponding to a transmitted bit stream. In an exemplary bit stream generation implementation, the target input signal X comprises a desired transmit signal and the produced digital stream Y comprises an estimate of the desired transmit signal.
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