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Coded Random Access with Distributed Power Control and Multiple-Packet Reception

机译:具有分布式功率控制和多分组接收的编码随机访问

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摘要

In this letter, a spatially-coupled low-density parity- check (SC-LDPC) coded ALOHA system with multiuser detection (MUD)-based multiple packet reception (MPR) is studied. A distributed power control scheme based on multiple power levels is proposed for medium and high rate applications. Numerical results show that the proposed scheme can provide noticeable throughput improvement. This improvement is more significant in the cases of fading channels.
机译:在本文中,研究了基于空间耦合的低密度奇偶校验(SC-LDPC)编码的ALOHA系统,该系统具有基于多用户检测(MUD)的多包接收(MPR)。针对中高速率应用,提出了一种基于多个功率水平的分布式功率控制方案。数值结果表明,该方案可以显着提高吞吐量。在信道衰落的情况下,这种改进更为显着。

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