【作者】 祁淑慧； 岳殿武；

【Author】 Qi Shuhui Yue Dianwu College of Information Engineering,Dalian Maritime University 116026

【机构】 大连海事大学信息工程学院；

【摘要】 空时编码技术是提高无线通信系统频谱利用率和系统可靠性的有效方法之一。空时分组码(STBC), 由于具有较高的分集增益和简单的编译码方法,已为3GPP 采纳,并成为研究和应用最为广泛的空时编码技术之一。单载波频域均衡(SC/FDE)结合正交频分复用和单载波时域均衡的优点,可有效地抵抗频率选择性衰落,已经被 IEEE 802．16采用,并成为近年来无线通信领域研究的热点。本文首先介绍空时分组编码技术, 重点阐述 Alamouti 方案的编译原理。然后介绍单载波频域均衡技术,讨论其均衡算法。最后探讨 STBC 和 SC/FDE 这两种技术的结合,描述其数据发送和接收结构,并对其未来提出展望。更多还原

【Abstract】 Space-time coding is one of the effective methods to enhance the frequency efficiency and the system reliability for wireless communication systems.Space-time block coding,due to its high diversity gain and simple coding and decoding method,has been adopted by 3GPP,and become one of the most popular space-time coding technologies.Single-carrier frequency domain equalization,combining the advantages of orthogonal frequency-division multiplex and single-carrier time domain equalization,can effectively combat frequency selective fading,has been adopted by IEEES02.16,and become hot study topics in the wireless communication area in recent years.In this paper,we first introduce space time block coding technology,emphasizing on A.lamouti’s scheme.Then we describe the single-carrier frequency domain equalization technology,discussing its equalization algorithm. Finally,we investigate the combination of STBC and SC/FDE,describing the formations of transmitted and received data,and concludes with expecting the prospects for the combination.更多还原