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dc.contributor.authorDang, Shuping
dc.contributor.authorLi, Jun
dc.contributor.authorWen, Miaowen
dc.contributor.authorMumtaz, Shahid
dc.date.accessioned2019-01-17T13:16:24Z
dc.date.available2019-01-17T13:16:24Z
dc.date.issued2019-01-16
dc.identifier.citationDang, S., Li, J., Wen, M., & Mumtaz, S. (2019). Distributed Processing for Multi-Relay Assisted OFDM With Index Modulation. IEEE Transactions on Wireless Communications, 18(2), 1318–1331. doi:10.1109/twc.2019.2891684
dc.identifier.issn1536-1276
dc.identifier.issn1558-2248
dc.identifier.doi10.1109/TWC.2019.2891684
dc.identifier.urihttp://hdl.handle.net/10754/630893
dc.description.abstractOrthogonal frequency-division multiplexing with index modulation (OFDM-IM) has become a high-profile modulation scheme for the fifth generation (5G) wireless communications, and thus been extended to multi-hop scenarios in order to improve the network coverage and energy efficiency. However, the extension of OFDM-IM to multi-relay cooperative networks is not trivial, since it is required that a complete OFDM block should be received and decoded as an entity in one node. This requirement prevents the employment of multiple relays to forward fragmented OFDM blocks on individual subcarriers. In this regard, we propose a distributed processing scheme for multirelay assisted OFDM-IM, by which multiple relays are selected to forward signals in a per-subcarrier manner to provide optimal error performance for two-hop decode-and-forward (DF) OFDMIM systems. Specifically, a single selected relay only needs to decode partial information carried on certain active subcarriers and forward just as for traditional OFDM systems without IM. After receiving all signals on active subcarriers forwarded by different relays, the destination can reconstruct the complete OFDM block and retrieve the full information. We analyze the average block error rate (BLER) and modulation capacity of the two-hop OFDM-IM system employing the proposed distributed DF protocol and verify the analysis by numerical simulations.
dc.description.sponsorshipThis work was supported in part by the National Natural Science Foundation of China under Grant 61871190 and Grant 61701127, in part by the Natural Science Foundation of Guangdong Province under Grant 2018B030306005, and in part by the Pearl River Nova Program of Guangzhou under Grant 201806010171.
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.relation.urlhttps://ieeexplore.ieee.org/document/8614439
dc.titleDistributed Processing for Multi-Relay Assisted OFDM with Index Modulation
dc.typeArticle
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.identifier.journalIEEE Transactions on Wireless Communications
dc.eprint.versionPost-print
dc.contributor.institutionR&D Center, Guangxi Huanan Communication Co., Ltd, Nanning 530007, China
dc.contributor.institutionSchool of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China
dc.contributor.institutionSchool of Electronic and Information Engineering, South China University of Technology, Guangzhou 510641, China
dc.contributor.institutionInstituto de Telecomunicações, Aveiro 3810-193, Portugal
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)
kaust.personDang, Shuping
dc.source.beginpage1
dc.source.endpage1
refterms.dateFOA2019-01-17T13:16:25Z
dc.source.journaltitleIEEE Transactions on Wireless Communications
dc.date.published-online2019-01-16
dc.date.published-print2019-02


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