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nothingwb新虫 (初入文坛)
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摘要：在LTE网络下部署D2D系统能有效提升系统资源利用率，但是，D2D系统共享蜂窝系统资源时会产生系统间干扰，影响蜂窝通信质量和系统总吞吐量。本文基于干扰识建议了一种D2D（Device-to-Device）准入控制优化算法，通过在基站端感知D2D通信对蜂窝用户产生的干扰，使D2D选择复用干扰值最小的蜂窝用户资源，并以D2D共享资源时的总吞吐量为参数，对D2D调度优先级进行排序。文章根据D2D通信和蜂窝通信的实时特性引入了两种路径衰耗模型，仿真结果表明，与随机复用算法相比，该算法在降低系统总干扰的前提下，保障蜂窝用户通信质量，增加D2D接入成功率，提升系统吞吐量。 关键字：D2D准入、干扰识别、优先级、吞吐量 |
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【答案】应助回帖
★
真强必胜: 金币+1, ok 2013-12-24 21:26:45
真强必胜: 金币+1, ok 2013-12-24 21:26:45
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摘要：在LTE网络下部署D2D系统能有效提升系统资源利用率，但是，D2D系统共享蜂窝系统资源时会产生系统间干扰，影响蜂窝通信质量和系统总吞吐量。本文基于干扰识建议了一种D2D（Device-to-Device）准入控制优化算法，通过在基站端感知D2D通信对蜂窝用户产生的干扰，使D2D选择复用干扰值最小的蜂窝用户资源，并以D2D共享资源时的总吞吐量为参数，对D2D调度优先级进行排序。文章根据D2D通信和蜂窝通信的实时特性引入了两种路径衰耗模型，仿真结果表明，与随机复用算法相比，该算法在降低系统总干扰的前提下，保障蜂窝用户通信质量，增加D2D接入成功率，提升系统吞吐量。 关键字：D2D准入、干扰识别、优先级、吞吐量 Abstract: D2D(Device-to-Device) system deployment in the LTE Internet could improve resource utilization rate of the system effectively, but when sharing the resource of cellular system, the D2D system will generate interference problem between systems, which will influence the communication quality of cellular system and its total throughput. Based on the interface distinguish, a kind of D2D(Device-to-Device)access control optimization algorithm is proposed in this paper. This algorithm perceives interfaces from D2D communication to cellularsubscribers at the base station terminal, which makes the D2d reuse the resource of cellular subscriber with the smallest annoyance value, and uses total throughput as a parameter when D2D system shares sources in order to rank the priority of the D2D dispatching. According to the real-time characteristics of D2D and cellular communication systems, two path loss models are introduced in this paper, and the simulation result demonstrates compared with random reuse algorithm, this algorithm can gurantee the communication quality of the cellular suscribers, increase the access success rate of D2D and enhance the system througput on the premise of reduceing total interfaces of the system. Key words: D2D access; interference distinguish; priority; throughput; |
2楼2013-11-23 11:35:26
【答案】应助回帖
★ ★ ★ ★
nothingwb(RXMCDM代发): 金币+4, 最佳答案！欢迎常来！ 2014-01-21 00:04:59
RXMCDM: 翻译EPI+1 2014-01-21 00:05:26
nothingwb(RXMCDM代发): 金币+4, 最佳答案！欢迎常来！ 2014-01-21 00:04:59
RXMCDM: 翻译EPI+1 2014-01-21 00:05:26
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（上面有一两个小错误~~~~）0Abstract: D2D(Device-to-Device) system deployment in the LTE Internet could improve resource utilization rate of the system effectively, but when sharing the resource of cellular system, the D2D system will generate interference problem between systems, which will influence the communication quality of cellular system and its total throughput. Based on the interface distinguish, a kind of D2D(Device-to-Device)access control optimization algorithm is proposed in this paper. This algorithm perceives interfaces from D2D communication to cellular subscribers at the base station terminal, which makes the D2d reuse the resource of cellular subscriber with the smallest annoyance value, and uses total throughput as a parameter when D2D system shares sources in order to rank the priority of the D2D dispatching. According to the real-time characteristics of D2D and cellular communication systems, two path loss models are introduced in this paper, and the simulation result demonstrates compared with random reuse algorithm, this algorithm can guarantee the communication quality of the cellular subscribers, increase the access success rate of D2D and enhance the system throughput on the premise of reducing total interfaces of the system. Key words: D2D access; interference distinguish; priority; throughput; |
3楼2013-11-23 11:36:58