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多蜂窝小区环境下协作组播网遍历容量分析

DOI: 10.3724/SP.J.1004.2014.00965, PP. 965-972

Keywords: 容量,协作,组播网,多蜂窝小区

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Abstract:

?现有协作组播网性能分析仅考虑噪声受限系统,忽视了干扰对系统的影响.对多蜂窝小区环境下协作组播网的性能进行分析,协作组播网中,中继和目的节点同时受到多个蜂窝小区的共道干扰.共道干扰的考虑造成目的节点接收端信干噪比间存在相关性.考虑到该相关性,推导出系统中断概率和遍历容量精确表达式,在此基础上研究其分集和编码增益.仿真验证了理论推导的有效性.

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