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Methods and systems for optimal zero-forcing and MMSE frequency domain equalizers for complex and VSB signals
Methods and systems for optimal zero-forcing and MMSE frequency domain equalizers for complex and VSB signals
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机译:用于复数和VSB信号的最佳零迫和MMSE频域均衡器的方法和系统
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摘要
An improved receiver apparatus and algorithm for equalizing signals in a receiver device may equalize a block of data generated from N data symbols in a single carrier communication system. A first algorithm may be applied to a plurality of signal samples to generate a frequency domain representation of the samples. A channel estimate may be generated and a frequency response of a zero-forcing or a minimum-mean-square equalizer is applied. A conjugate of the computed frequency response is multiplied with a frequency domain representation for each sample to generate a product value. N-aliased frequency domain values from the generated product value may be determined for each of the samples. A second algorithm is applied to the generated N-aliased frequency domain values to generate estimates of the transmitted time domain data symbols.
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