空间调制系统新型APM星座设计

2015 International Conference on Wireless Communications & Signal Processing (WCSP) Pub Date : 2015-12-03 DOI:10.1109/WCSP.2015.7341273

Peng Zhang, Chengduan Wang, Shuaishuai Guo, Haixia Zhang

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引用次数: 7

摘要

空间调制作为一种完全混合的调制方案，其性能高度依赖于数字调制方案的具体类型。提出了一种适用于SM传输的幅相调制(APM)星座设计方法。设计的APM星座具有多环结构，每个环的星座与PSK星座相似。通过遍历可能的环数、每个环中的星座点数和每个环的半径，提供了高效的搜索算法。仿真结果表明，该设计方法可以在独立瑞利衰落信道上连续实现优于传统PSK和QAM的APM星座。

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Novel APM constellation design for spatial modulation systems

As an entirely hybrid modulation scheme, the performance of spatial modulation (SM) is highly dependent on the specific type of digital modulation schemes. In this paper, a novel amplitude phase modulation (APM) constellation design method suitable for SM transmission is proposed. The designed APM constellation has multi-ring structure with each ring's constellation similar with PSK constellation. Moreover, efficient searching algorithm is provided by traversing over the possible ring number, the constellation points' number in each ring, and the radius of each ring. Simulation results show that the novel design method could successively achieve the APM constellations superior to the traditional PSK and QAM constellations over independent Rayleigh fading channels.

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2015 International Conference on Wireless Communications & Signal Processing (WCSP)

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