Reduced state sequence detection of partial response continuous phase modulation
作者： A. Svensson
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摘要: A reduced state sequence detector (RSSD) which combines decision feedback with Viterbi decoding is proposed for partial response continuous phase modulation (CPM). This can successfully be used both binary and high-level CPM schemes. analysed by means of minimum Euclidean distance simulations the symbol error probability. It shown that states in receiver trellis maximum likelihood exchanged metric calculations. achieved without sacrificing first event or RSSD most attractive narrow-band schemes at about 2 dB increased energy efficiency as compared MSK possible. Further reductions number possible, especially schemes, reducing correlative states. For frequently this done a very small degradation performance. In class complexity reduction least factor five to ten
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