Multiuser Diversity in Network-Coded Cooperation: Outage and Diversity Analysis
In this letter, we study multiuser diversity (MUD) in network-coded cooperation (NCC) systems. Specifically, we propose a two-step user-relay selection mechanism that selects subsets of users and relays to exploit both MUD and cooperative diversity in a multiuser multirelay NCC system. Assuming inde...
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| Veröffentlicht in: | IEEE communications letters 2019-03, Vol.23 (3), p.550-553 |
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| creator | Heidarpour, Ali Reza Ardakani, Masoud Tellambura, Chintha |
| description | In this letter, we study multiuser diversity (MUD) in network-coded cooperation (NCC) systems. Specifically, we propose a two-step user-relay selection mechanism that selects subsets of users and relays to exploit both MUD and cooperative diversity in a multiuser multirelay NCC system. Assuming independent but not necessarily identically distributed Rayleigh fading channels, we derive closed-form expressions for the system outage probability. We further obtain asymptotic outage expressions to quantify the diversity order as a function of different system parameters. Our results demonstrate the superiority (diversity gains) of the proposed MUD-based NCC compared with NCC schemes without MUD. Monte-Carlo simulations are also presented to verify the accuracy of our theoretical findings. |
| doi_str_mv | 10.1109/LCOMM.2019.2895631 |
| format | Article |
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Specifically, we propose a two-step user-relay selection mechanism that selects subsets of users and relays to exploit both MUD and cooperative diversity in a multiuser multirelay NCC system. Assuming independent but not necessarily identically distributed Rayleigh fading channels, we derive closed-form expressions for the system outage probability. We further obtain asymptotic outage expressions to quantify the diversity order as a function of different system parameters. Our results demonstrate the superiority (diversity gains) of the proposed MUD-based NCC compared with NCC schemes without MUD. Monte-Carlo simulations are also presented to verify the accuracy of our theoretical findings.</description><identifier>ISSN: 1089-7798</identifier><identifier>EISSN: 1558-2558</identifier><identifier>DOI: 10.1109/LCOMM.2019.2895631</identifier><identifier>CODEN: ICLEF6</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Closed-form solutions ; Computer simulation ; Cooperation ; diversity order ; Fading channels ; Monte Carlo simulation ; Mud ; Multiuser detection ; Multiuser diversity ; Multiuser systems ; network-coded cooperation ; outage probability ; Power system reliability ; Probability ; relay selection ; Relays ; Signal to noise ratio</subject><ispartof>IEEE communications letters, 2019-03, Vol.23 (3), p.550-553</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c295t-bd677785808024538c02182372b7a61fdbcebaac84b9df2f512f0001734624683</citedby><cites>FETCH-LOGICAL-c295t-bd677785808024538c02182372b7a61fdbcebaac84b9df2f512f0001734624683</cites><orcidid>0000-0002-9419-7195 ; 0000-0002-5997-1093 ; 0000-0002-5548-9697</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8629014$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8629014$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Heidarpour, Ali Reza</creatorcontrib><creatorcontrib>Ardakani, Masoud</creatorcontrib><creatorcontrib>Tellambura, Chintha</creatorcontrib><title>Multiuser Diversity in Network-Coded Cooperation: Outage and Diversity Analysis</title><title>IEEE communications letters</title><addtitle>COML</addtitle><description>In this letter, we study multiuser diversity (MUD) in network-coded cooperation (NCC) systems. Specifically, we propose a two-step user-relay selection mechanism that selects subsets of users and relays to exploit both MUD and cooperative diversity in a multiuser multirelay NCC system. Assuming independent but not necessarily identically distributed Rayleigh fading channels, we derive closed-form expressions for the system outage probability. We further obtain asymptotic outage expressions to quantify the diversity order as a function of different system parameters. Our results demonstrate the superiority (diversity gains) of the proposed MUD-based NCC compared with NCC schemes without MUD. Monte-Carlo simulations are also presented to verify the accuracy of our theoretical findings.</description><subject>Closed-form solutions</subject><subject>Computer simulation</subject><subject>Cooperation</subject><subject>diversity order</subject><subject>Fading channels</subject><subject>Monte Carlo simulation</subject><subject>Mud</subject><subject>Multiuser detection</subject><subject>Multiuser diversity</subject><subject>Multiuser systems</subject><subject>network-coded cooperation</subject><subject>outage probability</subject><subject>Power system reliability</subject><subject>Probability</subject><subject>relay selection</subject><subject>Relays</subject><subject>Signal to noise ratio</subject><issn>1089-7798</issn><issn>1558-2558</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkMtOwzAQRS0EEqXwA7CJxDrFM4ljm10VnlJLNrC2nMRBLiUutgPq35NShNjMzOKeq9Eh5BzoDIDKq0VZLZczpCBnKCQrMjggE2BMpDiOw_GmQqacS3FMTkJYUUoFMpiQajmsox2C8cmN_TQ-2LhNbJ88mfjl_Ftauta0Sencxngdreuvk2qI-tUkum__IfNer7fBhlNy1Ol1MGe_e0pe7m6fy4d0Ud0_lvNF2qBkMa3bgnMumKCCYs4y0VAEgRnHmusCurZuTK11I_Jath12DLAbfwae5QXmhcim5HLfu_HuYzAhqpUb_PhEUAgSIB972ZjCfarxLgRvOrXx9l37rQKqduLUjzi1E6d-xY3QxR6yxpg_QBQoKeTZN0OGaPk</recordid><startdate>20190301</startdate><enddate>20190301</enddate><creator>Heidarpour, Ali Reza</creator><creator>Ardakani, Masoud</creator><creator>Tellambura, Chintha</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Specifically, we propose a two-step user-relay selection mechanism that selects subsets of users and relays to exploit both MUD and cooperative diversity in a multiuser multirelay NCC system. Assuming independent but not necessarily identically distributed Rayleigh fading channels, we derive closed-form expressions for the system outage probability. We further obtain asymptotic outage expressions to quantify the diversity order as a function of different system parameters. Our results demonstrate the superiority (diversity gains) of the proposed MUD-based NCC compared with NCC schemes without MUD. Monte-Carlo simulations are also presented to verify the accuracy of our theoretical findings.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LCOMM.2019.2895631</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-9419-7195</orcidid><orcidid>https://orcid.org/0000-0002-5997-1093</orcidid><orcidid>https://orcid.org/0000-0002-5548-9697</orcidid></addata></record> |
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| ispartof | IEEE communications letters, 2019-03, Vol.23 (3), p.550-553 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Closed-form solutions Computer simulation Cooperation diversity order Fading channels Monte Carlo simulation Mud Multiuser detection Multiuser diversity Multiuser systems network-coded cooperation outage probability Power system reliability Probability relay selection Relays Signal to noise ratio |
| title | Multiuser Diversity in Network-Coded Cooperation: Outage and Diversity Analysis |
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