A Novel Forwarding Method for Full-Duplex Two-Way Relay Networks
Han, Shuangshuang1,2; Cheng, Xiang3; Yang, Liuqing4
AbstractAn estimate-and-forward (EF) scheme for single-input single-output (SISO) and multiple-input multiple-output (MEMO) full-duplex two-way relay networks is proposed and analyzed. The relay estimates the received signal from two terminal nodes by a minimum mean squared error (MMSE) estimation and forwards a scaled version of the MMSE estimate to the destination. The proposed EF outperforms conventional amplify -and-forward (AF) and decode-and-forward (DF) across all signal-to-noise ratio (SNR) region. Because its computational complexity is high for relays with a large number of antennas (large MIMO) and/or high order constellations, an approximate EF scheme, called list EF, are thus proposed to reduce the computational complexity. The proposed list EF computes a candidate list for the MMSE estimate by using a sphere decoder, and it approaches the performance of the exact EF relay at a negligible performance loss. The proposed forwarding approach also could be used to other relay networks, such as half-duplex, one-way or massive MIMO relay networks.
KeywordEstimate-and-forward Full-duplex Two-way Relay Wireless Communications
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China(61501461 ; National 973 Project(2013CB336700) ; National 863 Project(SS2015AA011306) ; National Science Foundation(CNS-1343189 ; Early Career Development Award of SK-LMCCS(Y3S9021F34) ; 61471269 ; ECCS-1232305) ; 61622101 ; 61571020)
WOS Research AreaTelecommunications
WOS SubjectTelecommunications
WOS IDWOS:000401402200006
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Cited Times:3[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.Peking Univ, Sch Elect Engn & Comp Sci, State Key Lab Adv Opt Commun Syst & Networks, Beijing, Peoples R China
4.Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Han, Shuangshuang,Cheng, Xiang,Yang, Liuqing. A Novel Forwarding Method for Full-Duplex Two-Way Relay Networks[J]. CHINA COMMUNICATIONS,2017,14(4):65-72.
APA Han, Shuangshuang,Cheng, Xiang,&Yang, Liuqing.(2017).A Novel Forwarding Method for Full-Duplex Two-Way Relay Networks.CHINA COMMUNICATIONS,14(4),65-72.
MLA Han, Shuangshuang,et al."A Novel Forwarding Method for Full-Duplex Two-Way Relay Networks".CHINA COMMUNICATIONS 14.4(2017):65-72.
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