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Considering the channel waste resulted by the fixed or certainty traffic-based time slot assignment in uncertainty traffic flows TDMA networks, a traffic prediction-based dynamic time slot allocation TDMA protocol (PD-TDMA) is proposed. Coordinator collects the transmission queue length information which sanded by all nodes with the CSMA mechanism, and then it predicts the real time arrival traffic...
In low signal-to-noise ratio (SNR) scenarios, image wireless transmission is often interrupted due to the "threshold effect" in traditional digital communication system. Fortunately, it can be avoided in analog communication system, owing to its feature of linear degradation to noise. And to design the efficient analog error correction codes is the key to achieve high fidelity image. Considering...
Reversible variable length codes (RVLCs) have received much attention due to their excellent error resilient capabilities. In this paper, a novel construction algorithm for symmetrical RVLC is proposed which is independent of the Huffman code. The proposed algorithm’s codeword assignment is only based on symbol occurrence probability. It has many advantages over symmetrical construction algorithms...
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