多发射天线STBC-SCFDE系统的性能研究  

Analysis of STBC-SCFDE Systems with Multiple Transmit Antennas

作　　者：叶卓映[1] 顾跃宗 吴江[3] 耿国桐[4] 

机构地区：[1]厦门城市职业学院,厦门361008 [2]中国移动通信集团设计院有限公司山东分公司,济南250001 [3]华为技术有限公司,深圳518129 [4]中国国防科技信息中心,北京100036

出　　处：《电信科学》2012年第12期59-64,共6页Telecommunications Science

基　　金：福建省教育厅JK类科技项目(No.JK2012044);厦门市科技计划项目(No.3502Z20103036);厦门城市职业学院科研课题基金资助项目(No.KY12-25)

摘　　要：针对频率选择性衰落下2根以上发射天线的空时分组码—单载波频域均衡系统(STBC-SCFDE),提出了编码方案和检测方案的一般过程,并分别以3根及4根发射天线为例给出了具体的发射方案和接收方案。仿真结果表明,该方案下的多发射天线STBC SCFDE,在最大时延达到数10个符号周期的情况下仍然具有优良的性能,因而在高速无线通信中具有广阔的应用前景。Space-time block coding combined with single carrier frequency domain equalization is an attractive technique to combat inter-symbol interference caused by frequency selective fading.In this paper, we firstly investigate the performance of the Alamouti code combined with single cartier frequency domain equalization, then the coding scheme and the corresponding detecting scheme in the receiver when the number of transmitting antennas are more than 2 are designed. Simulation results show that the space-time block coded single carrier frequency domain equalization system exhibits good performance, even when the maximum time delay is up to tens of symbol period. Therefore, this technique is likely to have broad prospect in high-speed wireless transmission.

关 键 词：空时分组码 单载波频域均衡 频率选择性衰落信道 

分 类 号：TN827.1[电子电信—信息与通信工程]