Relaying Strategy Based on Estimated Information for Multi-Antenna Cooperative Networks
Han, Shuangshuang1,2; Zhang, Peng3; Shi, Feijin4; Wang, Fei-Yue1,5
; A sphere-based list forwarding scheme for multiple-input multiple-output (MIMO) relay networks is proposed and analyzed. Firstly, an estimate forwarding (EF) method is proposed, which forwards the minimum mean squared error (MMSE) estimate of the source data to the destination. Since it performs like amplify-and-forward (AF) and decode-and-forward (DF) for the low and high signal-to-noise ratio (SNR) regions, respectively, the EF relay thus outperforms conventional AF and DF across all SNRs without the need for switching algorithms for different SNRs. Because computational complexity is however high for relays with a large number of antennas (large MIMO) and/or high order constellations, list EF for large MIMO relay networks is proposed. It computes a list sphere decoder based MMSE estimate and retains the advantages of the exact EF relay at a negligible performance loss. The proposed list EF could offer a flexible trade-off between the performance and computational complexity.
KeywordMimo System Cooperative Network Soft Information
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China(61501461 ; Early Career Development Award of SKLMCCS(Y3S9021F34) ; 61471269 ; 71232006 ; 61533019)
WOS Research AreaTelecommunications
WOS SubjectTelecommunications
WOS IDWOS:000407541800016
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Automat, State Key Lab Management & Control Complex Syst, Beijing, Peoples R China
2.Qingdao Acad Intelligent Ind, Qingdao, Peoples R China
3.Weifang Univ, Sch Comp Engn, Shandong, Peoples R China
4.Commun Headquarters, Minist Foreign Affairs Peoples Republ China, Beijing, Peoples R China
5.Natl Univ Def Technol, Res Ctr Computat Experiments & Parallel Syst, Changsha, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Han, Shuangshuang,Zhang, Peng,Shi, Feijin,et al. Relaying Strategy Based on Estimated Information for Multi-Antenna Cooperative Networks[J]. CHINA COMMUNICATIONS,2017,14(8):157-165.
APA Han, Shuangshuang,Zhang, Peng,Shi, Feijin,&Wang, Fei-Yue.(2017).Relaying Strategy Based on Estimated Information for Multi-Antenna Cooperative Networks.CHINA COMMUNICATIONS,14(8),157-165.
MLA Han, Shuangshuang,et al."Relaying Strategy Based on Estimated Information for Multi-Antenna Cooperative Networks".CHINA COMMUNICATIONS 14.8(2017):157-165.
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