JinLong Zhang

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This paper provides a method to evaluate the performance of contention resolution process existing in the uplink visible light communications. In such a system, multiple vehicles share a common communication channel to convey data packets to receivers mounted in the road lamps along urban streets. A finite state Markov chain model is established to(More)
Recently, sparse component analysis (SCA) has become a hot spot in BSS research. Instead of independent component analysis (ICA), SCA can be used to solve underdetermined mixture efficiently. Two-step approach (TSA) is one of the typical methods to solve SCA based BSS problems. It estimates the mixing matrix before the separation of the sources. K-means(More)
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