Multi-user selection based on particle swarm optimization and power control scheme in the uplink CoMP-MU-MIMO system-中国期刊网

摘要 Orthogonalfrequencydivisionmultiplexing(OFDM)whichhasbeenadoptedinthelong-termevolution(LTE)systemcanimprovethesystemcapacityobviously.However,italsobringsaboutsevereinter-cellinterference(ICI)forcell-edgeusers(CEUs).Totacklethisproblem,multi-userselectionandpowercontrol(MuS-PC)isproposedasanefficientschemeinuplinkcoordinatedmulti-pointmulti-usermulti-inputmulti-output(CoMP-MU-MIMO)transmission/reception.Thispaperjointlyconsidersuser’ssignaltointerferenceplusnoiseratio(SINR)andproportionalfairness(PF)tomaximizethetotalchannelcapacityinmulti-userselectionbyformulatingapenaltyfunction.Tosimplifythepenaltyfunction’scomputation,particleswarmoptimization(PSO)algorithmisintroduced.Inaddition,powercontrolisadoptedtomaximizeoverallenergyefficiency.SimulationresultsdemonstratethattheMuS-PCschemecannotonlyobtaintheoptimaltotalchannelcapacitywhileguaranteeeachuser’squalityofservice(QoS)andPF,butalsolargelyreducecomputationalcomplexityandimproveenergyefficiency.Asaresult,thepoorcommunicationqualityofCEUscanbeenhanced.

1HE Hao;TIAN Mao;WANG Zheng-hai;ZHANG Wen-jian;SU Xin. Efficient user selection for multi-cell multi-user MIMO systems with limited backhaul.通信与信息系统,2012-01.
2LIU Kai;LI Yi;JI Hong;WU Xu-guang. Spectrum efficiency sub-carrier and energy efficiency power allocation for downlink multi-user CoMP in multi-cell system.通信与信息系统,2014-03.
3ZHANG Ke;ZHANG Wei;Heejong Suh. A study of multi-user diversity technology on MIMO-OFDM system.计算机应用技术,2009-01.
4Duan Shiping;Xu Youyun;Song Wentao. Power allocation for MIMO-OFDM systems with multi-user decoupling and scheduling.物理电子学,2005-03.
5Yuanning Liu. An Improved Particle Swarm Optimization for Feature Selection.生物工程,2011-02.
6NIU Qin;ZENG Zhi-min;ZHANG Tian-kui;GAO Qiu-bin;SUN Shao-hui. Nash bargaining solution based multi-cell and multi-user interference alignment scheme for cellular networks.通信与信息系统,2014-04.
7Hong-Cheng Huang;Jie Zhang;Zu-Fan Zhang;Zhong-Yang Xiong. Interference-Limited Device-to-Device Multi-User Cooperation Scheme for Optimization of Edge Networking.计算机科学与技术,2016-06.
8Hao-Ye Zhang;Jin-Ping Mei;Shi-Bing Zhang. Resource Allocation Algorithm Based on PSO-GA for Multi-User OFDM System.物理电子学,2015-01.
9YAO Li-ping;XU Quan-sheng;LI Xi;JI Hong. Joint user pairing and power allocation in uplink virtual MIMO with imperfect CSI.通信与信息系统,2013-03.
10Wei Jingxuan;Wang Yuping. Multi-objective fuzzy particle swarm optimization based on elite archiving and its convergence.物理电子学,2008-05.

Multi-user selection based on particle swarm optimization and power control scheme in the uplink CoMP-MU-MIMO system

来源期刊

相关推荐

同分类资源更多

相关关键词

Multi-user selection based on particle swarm optimization and power control scheme in the uplink CoMP-MU-MIMO system

来源期刊

相关推荐

同分类资源 更多

相关关键词

同分类资源更多