具有天线选择与中继选择的空间调制技术  

Spatial Modulation Technique with Antenna and Relay Selections

作　　者：张燕[1,2] 岳殿武[1] 

机构地区：[1]大连海事大学信息科学技术学院,辽宁大连116026 [2]大连科技学院电气工程系,辽宁大连116052

出　　处：《电讯技术》2015年第1期7-12,共6页Telecommunication Engineering

基　　金：国家自然科学基金资助项目(61371091;61301228);高等学校博士学科点专项科研基金资助项目(20132125110006);中央高校基本科研业务费专项基金资助项目;大连海事大学优秀科技创新团队培育计划资助项目(3132013334)~~

摘　　要：针对空间调制(SM)技术存在的缺欠,提出了具有天线选择和中继选择的空间调制系统方案。首先在多输入多输出(MIMO)信道模型下,通过对发送端天线选择,将拥有最佳信道状态的天线选出进行SM,打破SM技术对发送端天线数的限制,并提升采用高阶调制的SM分集性能。然后进一步将此思想引入协作通信网络,结合传感器网络的分级观念,提出采用中继选择和空间调制的中继传输协议,并通过仿真观察系统分集性能的改善。仿真结果表明,上述中继传输协议不仅能提升系统性能,而且使系统配置更加灵活。To overcome the inherence disadvantage of spatial modulation（SM） technique,two SM schemeswith antenna and relay selections are investigated. Firstly,under the channel model of multiple-input multi-ple-output（MIMO）,through the antenna selection at the transmitter,the selected antenna with the bestchannel state can be used in SM. This SM scheme breaks the limitation on the number of transmit anten-nas,and obtains improvement of diversity performance for a system employing high order of modulation.Then the idea is further introduced in cooperative communication networks. Integrating the classification i-dea of sensor networks,a relay transmission scheme which employs SM and relay selection is presented,andthe improvement of diversity performance is observed by simulation. Simulation results confirm that the sys-tem performance is improved and the system configuration is more flexible with the transmission scheme.

关 键 词：多输入多输出 协作通信 空间调制 分集性能 

分 类 号：TN911[电子电信—通信与信息系统]