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In this paper, we propose a new insights for the chaos coded modulation (CCM) schemes originally proposed by Kozic & al. using the approximation of the distance spectrum distribution with some usual laws, a complete study of the performances of these CCM schemes when they are concatenated with a Space Time Block Code (STBC) is proposed. Accurate bounds are obtained even in the case of time selective...
A general method to develop Tanner graphs from tail-biting convolutional codes (CC) is proposed. Recursive systematic convolutional (RSC) and non-RSC codes are considered consistently and it is shown that the elimination of redundant states leads to a graph with low complexity. In addition the graphical representation is extended to derive the condition for which the tail-biting termination is valid...
This paper addresses an iterative expectation-maximization (EM) time-frequency synchronization algorithm joint with channel estimation for MIMO-OFDM systems in frequency selective fading channels. The receivers iterates between detection and estimation. For each iteration, we calculate first the expectation of ODFM symbols by using a posteriori probabilities provided by MAP decoder and second we maximise...
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