An SNR-Adaptive Relaying Algorithm for Multi-Antenna Cooperative Networks
Han, Shuangshuang1,2; Zhang, Peng3; Shi, Feijin4; Wang, Fei-Yue1,5
2017-10-01
发表期刊CHINA COMMUNICATIONS
卷号14期号:10页码:228-236
文章类型Article
摘要Multiple-input multiple-output (MIMO) and cooperative communications have been attracted great attention for the improvements of communication capacity, power consumption, and transmission coverage. The conventional fixed relaying protocols, amplify-and-forward (AF) and decode-and-forward (DF), have their own advantages and disadvantages, i.e. AF performs better than DF for low signal-to-noise ratio (SNR) region, while the reverse is true for high SNR region. Therefore, this paper proposes an SNR-adaptive forward (SAF) relaying scheme obtaining the advantages of both AF and DF. Furthermore, the proposed SAF does not need to switch between AF and DF when SNR changes. The main idea is to adaptively derive the soft information at the cooperative relay nodes based on the information of the received signal and the SNR. Besides, based on the theoretical analysis and the simulation results, it is affirmed that the proposed SAF achieves superior performance than both AF and DF for all SNRs. Moreover, the performance gain would be improved with the increasing number of parallel cooperative relay nodes.
关键词Mimo Snr Snr-adaptive Forward Multi-antenna
WOS标题词Science & Technology ; Technology
关键词[WOS]INFORMATION ; STRATEGY
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(61501461 ; Early Career Development Award of SKLMCCS(Y3S9021F34) ; 61471269 ; 71232006 ; 61533019)
WOS研究方向Telecommunications
WOS类目Telecommunications
WOS记录号WOS:000414520700020
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/20749
专题复杂系统管理与控制国家重点实验室_先进控制与自动化
作者单位1.Chinese Acad Sci, Inst Automat, State Key Lab Management & Control Complex Syst, Beijing, Peoples R China
2.Qingdao Acad Intelligent Ind, Commun Headquarters, Qingdao, Shandong, Peoples R China
3.Weifang Univ, Sch Comp Engn, Weifang, Shandong, Peoples R China
4.Minist Foreign Affairs Peoples Republ China, Beijing, Peoples R China
5.Natl Univ Def Technol, Res Ctr Computat Expt & Parallel Syst, Changsha, Hunan, Peoples R China
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Han, Shuangshuang,Zhang, Peng,Shi, Feijin,et al. An SNR-Adaptive Relaying Algorithm for Multi-Antenna Cooperative Networks[J]. CHINA COMMUNICATIONS,2017,14(10):228-236.
APA Han, Shuangshuang,Zhang, Peng,Shi, Feijin,&Wang, Fei-Yue.(2017).An SNR-Adaptive Relaying Algorithm for Multi-Antenna Cooperative Networks.CHINA COMMUNICATIONS,14(10),228-236.
MLA Han, Shuangshuang,et al."An SNR-Adaptive Relaying Algorithm for Multi-Antenna Cooperative Networks".CHINA COMMUNICATIONS 14.10(2017):228-236.
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