HAPS通信中基于MIMO的信号协作接收方案性能分析  

Property analysis of a HAPS communication scheme based on MIMO for signal's cooperative reception

作　　者：霍辰杰[1] 陈树新[1] 张衡阳[1] 

机构地区：[1]空军工程大学信息与导航学院,陕西西安710077

出　　处：《电子设计工程》2012年第24期64-67,共4页Electronic Design Engineering

基　　金：学院科研创新基金项目(DYCX1006);航空科学基金联合资助(20095596016)

摘　　要：分析了在HAPS中应用协作通信的需求,研究了HAPS通信信道在不同仰角区域的特性,在此基础上提出一种HAPS通信中基于MIMO的信号协作接收方案,并在不同仰角区域中对该协作接收方案进行性能仿真,仿真结果表明,在中、低仰角区域内使用该协作接收方案能够获得较大的组合分集增益,但是,对于高仰角区域此协作通信方案的性能改善不明显,最后,就上述2种现象产生的原因进行了分析。First the demand of applying cooperative communication via HAPS is analyzed. Then the character of HAPS communication channel in different elevation angles is studied. This paper presents a HAPS communication scheme based on MIMO for signal＇s cooperative reception on the basis of two works mentioned above. And a property simulation towards the cooperative reception scheme in different elevation angles is made. The simulation results shows the following：The cooperative reception scheme can obtain a relatively large combining diversity gain in middle＆ low-elevation angle area. However, there is little property improvement in high-elevation angle by using this scheme. Finally, the reason why different results occur in different elevation angles is analyzed.

关 键 词：HAPS通信 MIMO技术 协作接收 性能分析 

分 类 号：TN927[电子电信—通信与信息系统]