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Multi-h Continuous Phase Modulation (Multi-h CPM) is often plagued by high receiver complexity which increases greatly with frequency pulse length L and dimension M. In order to reduce its complexity, a reduced-state sequence detection algorithm based on decision feedback in this paper is proposed for Multi-h CPM whose frequency pulse length L>1. Based on the conventional Viterbi algorithm, in...
Multi-h continuous-phase modulation (CPM) has been used in telecommunication and aeronautical telemetry system due to its high power and spectral efficiency. Nonetheless, the optimum MLSE receiver suffers from high implementation complexity. One-symbol differential trellis detector with Viterbi algorithm for multi-h CPM signal is proposed in this article, we derives a simple trellis to reduce the...
According to the hypothesis of similar interest in the same virtual organization, we design a nodes-service table (NST) to take notes of service locating experiences and embody features of cooperation and altruism. With NST a new optimized service locating algorithm based on autocatalytic behavior is raised. It reduces later-search blindness and improve shoots straight. The algorithm is simple and...
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