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Energy Efficient Two-Tier Network-Coded Relaying Systems Considering Processing Energy Costs
Nanjing Univ Aeronaut & Astronaut, Minist Ind & Informat Technol, Key Lab Dynam Cognit Syst Electromagnet Spectrum, Nanjing 210016, Peoples R China.;Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Peoples R China..
KTH, School of Electrical Engineering and Computer Science (EECS), Information Science and Engineering.ORCID iD: 0000-0002-5407-0835
Jinan Univ, Sch Elect & Informat Engn, Zhuhai 519070, Peoples R China..
Northwestern Polytech Univ, Sch Elect & Informat, Xian 710072, Shaanxi, Peoples R China..
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2019 (English)In: IEEE Transactions on Vehicular Technology, ISSN 0018-9545, E-ISSN 1939-9359, Vol. 68, no 1, p. 999-1003Article in journal (Refereed) Published
Abstract [en]

In this paper, a two-tier network coding (TNC) scheme is proposed for the multi-user multi-relay transmission scenarios. Specifically, TNC is conducted at each individual relay, where two groups of source messages are combined into one network codeword that is forwarded to dual destinations. Finally, two groups of source messages are jointly recovered from different network codewords at the destinations. Both analytical and simulation results demonstrate that the proposed scheme outperforms the current state of art in terms of the energy efficiency (EE). In addition, the impacts of multiple parameters, including the number of users, SNR and relay locations on the average EE have been demonstrated, which provide valuable insights for the system designs of future wireless networks.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2019. Vol. 68, no 1, p. 999-1003
Keywords [en]
Energy efficiency, outage probability, relay forwarding, two-tier network coding
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-244133DOI: 10.1109/TVT.2018.2881653ISI: 000457302900085Scopus ID: 2-s2.0-85056708043OAI: oai:DiVA.org:kth-244133DiVA, id: diva2:1289512
Note

QC 20190218

Available from: 2019-02-18 Created: 2019-02-18 Last updated: 2019-02-18Bibliographically approved

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Xiao, Ming

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