协同分集技术及其在无线通信中的应用  

Application in Wireless Communication

作　　者：张明光[1] 王东明[2] 

机构地区：[1]华南理工大学计算机学院,广东省广州市510507 [2]东南大学通信学院,江苏省南京市210018

出　　处：《电信快报》2005年第11期34-37,共4页Telecommunications Information

摘　　要：协同分集是无线网络中的一种新型的分集技术,它能够提高吞吐量、减小发送功率和对抗衰落。由于它具有分布式特点,可以使网络变得相当简单,并可以使单天线系统具有多天线的优点,因此受到广泛关注。文章介绍了不同的协同分集的实现方法,对其在无线通信中使用的可能性进行了分析,指出目前存在的问题和面临的技术挑战。In wireless networks, cooperative diversity is an attractive new way to increase throughput, reduce energy requirements and provide resistance to channel fading effects. Due to its distributed nature, this new from of diversity allows a network of relatively simple and single-antenna devices to achieve many of the celebrated advantages of physical antenna arrays. Various approaches to cooperative diversity are reviewed and analyzed in this paper. The possibility of the schemes employed in wireless communication is also analyzed and the problems and the challenges are also discussed.

关 键 词：协同分集 编码协同 空间分集 分集技术 无线通信 协同 应用 无线网络 发送功率 天线系统 

分 类 号：TN925[电子电信—通信与信息系统]