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Power allocation and mode selection methods for cooperative communication in the rectangular tunnel

查看全文 作　　者：Zhai [1,2]Wenyan;Sun [1,2]Yanjing;Xu [1]Zhao;Li [1,2]Song 高影响力作者 机构地区：[1]School of Information and Electrical Engineering,China University of Mining & Technology;[2]Coal Mine Electrics and Automation Engineering Laboratory of Jiangsu Province高影响力机构 出　　处：《International Journal of Mining Science and Technology》索引2015年第25卷第2期,共8页高影响力期刊 基　　金：financial supports provided by the National Natural Science Foundation of China (No.51274202);the Fundamental Research Funds for the Central Universities (No.2013RC11);the Science and Technology Achievements Transformation Project of Jiangsu Province (No.BA2012068);the Natural Science Foundation of Jiangsu Province (Nos.BK20130199 and BK20131124);Ceeusro Prospective Joint Research Project of Jiangsu Province (No.BY2014028-01);Great Cultivating Special Project at China University of Mining and Technology (No.2014ZDPY16) 摘　　要：For the multipath fading on electromagnetic waves of wireless communication in the confined areas,the rectangular tunnel cooperative communication system was established based on the multimode channel model and the channel capacity formula derivation was obtained.On the optimal criterion of the channel capacity,the power allocation methods of both amplifying and forwarding(AF) and decoding and forwarding(DF) cooperative communication systems were proposed in the limitation of the total power to maximize the channel capacity.The mode selection methods of single input single output(SISO) and single input multiple output(SIMO) models in the rectangular tunnel,through which the higher channel capacity can be obtained,were put forward as well.The theoretical analysis and simulation comparison show that,channel capacity of the wireless communication system in the rectangular tunnel can be effectively enhanced through the cooperative technology;channel capacity of the rectangular tunnel under complicated conditions is maximized through the proposed power allocation methods,and the optimal cooperative mode of the channel capacity can be chosen according to the cooperative mode selection methods given in the paper. 关 键 词：矩形隧道 协同通信 功率分配 无线通信系统 单输入多输出 信道容量 合作模式 多径衰落
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