同信道干扰对多载波CDMA蜂窝系统下行信道的影响

THE DOWNLINK CHANNEL PERFORMANCE OF THE MC-CDMA CELLULAR SYSTEM WITH CO-CHANNEL INTERFERENCE

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摘要该文主要讨论多载波CDMA蜂窝系统在下行信道中的同信道干扰问题,理论分析了同信道干扰的解析表达式,并通过计算机仿真得出了在一定的传播损耗下多载波CDMA蜂窝系统下行信道的性能。通过仿真发现,即使在有小区间同信道干扰情况下,通过简单的小区布置,多载波CDMA蜂窝系统下行信道就可以有很大的信道容量。 In this paper, the co-channel interference on the downlink channel of the MC-CDMA cellular system is investigated. The analytic formula of the co-channel interference is induced. The downlink channel performance of the MC-CDMA cellular system with co-channel interference is obtained by the Monte Carlo simulations. The simulations show that the MC-CDMA cellular system has large capacity under co-channel interference when the frequency reuse factor is 1/7.

作者张骏凌苏莉朱维乐

机构地区电子科技大学电子工程学院

出处《电子与信息学报》 EI CSCD 北大核心 2002年第10期1378-1384,共7页 Journal of Electronics & Information Technology

关键词同信道干扰多载波 CDMA 蜂窝系统下行信道同信道干扰无线通信码分多址 Multi-Carrier CDMA (MC-CDMA) cellular system, Co-channel interference, Downlink channel

分类号 TN929.533 [电子电信—通信与信息系统]

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电子与信息学报

2002年第10期

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同信道干扰对多载波CDMA蜂窝系统下行信道的影响

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