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Dynamic Coded Cooperation with Incremental Redundancy: Throughput and Diversity-Multiplexing Tradeoff Analysis
IEEE Communications Letters ( IF 3.7 ) Pub Date : 2020-03-01 , DOI: 10.1109/lcomm.2020.2969670 Kun Xu , Zhiyong Du , Bin Jiang
IEEE Communications Letters ( IF 3.7 ) Pub Date : 2020-03-01 , DOI: 10.1109/lcomm.2020.2969670 Kun Xu , Zhiyong Du , Bin Jiang
In cooperative communications, dynamic decode-and-forward transmission with rateless coding (RC-DDF ) is most efficient in reaching/approaching channel capacity. However, it entails strict carrier synchronization among the source, relay and destination, making it hard to implement in practice. To remove the limitation, we propose a scheme named dynamic coded cooperation with incremental redundancy (DCCIR ) where nodes transmit alternatively and thus no strict carrier synchronization is needed. Its performance is investigated in terms of both throughput and diversity-multiplexing tradeoff (DMT). Moreover, we present a subframe-based implementation structure for DCCIR (sub-DCCIR ) to obtain the DMT of DCCIR . The results reveal performance advantages of DCCIR or sub-DCCIR over several existing schemes and its approximation to RC-DDF .
中文翻译:
具有增量冗余的动态编码合作:吞吐量和多样性-复用权衡分析
在协作通信中,采用无速率编码的动态解码转发传输(RC-DDF ) 在达到/接近信道容量方面最有效。然而,它需要在源、中继和目的地之间进行严格的载波同步,使其在实践中难以实现。为了消除这种限制,我们提出了一种称为具有增量冗余的动态编码合作方案(DCCIR ),其中节点交替传输,因此不需要严格的载波同步。从吞吐量和分集复用权衡 (DMT) 两方面研究其性能。此外,我们提出了一个基于子帧的实现结构DCCIR (子 DCCIR ) 获得 DMT DCCIR . 结果揭示了性能优势DCCIR 或者 子 DCCIR 在几个现有的方案及其近似 RC-DDF .
更新日期:2020-03-01
中文翻译:
具有增量冗余的动态编码合作:吞吐量和多样性-复用权衡分析
在协作通信中,采用无速率编码的动态解码转发传输(