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MAC Protocol for Opportunistic Spectrum Access in Multi-Channel Cognitive Relay Networks
Blekinge Tekniska Högskola, Fakulteten för datavetenskaper, Institutionen för kreativa teknologier.
Blekinge Tekniska Högskola, Fakulteten för datavetenskaper, Institutionen för kreativa teknologier.
Duy Tan University, VNM.
2017 (Engelska)Ingår i: IEEE Vehicular Technology Conference, Institute of Electrical and Electronics Engineers Inc. , 2017Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

In this paper, we propose a medium access control (MAC) protocol for multi-channel cognitive cooperative radio networks (CCRNs). In this protocol, each secondary user (SU) senses for spectrum opportunities within M licensed bands of the primary users (PUs). To enhance the accuracy of spectrum sensing, we employ cooperative sequential spectrum sensing where SUs mutually exchange their sensing results. Moreover, the information obtained from cooperative spectrum sensing at the physical layer is integrated into the channel negotiation process at the MAC layer to alleviate the hidden terminal problem. Finally, the performance of the proposed MAC protocol in terms of aggregate throughput of the CCRNs is analyzed. Numerical results are provided to assess the impact of channel utilization by PUs, number of contenting CCRNs, number of licensed bands, and false alarm probability of SUs on the aggregate throughput. © 2017 IEEE.

Ort, förlag, år, upplaga, sidor
Institute of Electrical and Electronics Engineers Inc. , 2017.
Serie
IEEE Vehicular Technology Conference Proceedings
Nyckelord [en]
Access control, Aggregates, Cognitive radio, Internet protocols, Network layers, Aggregate throughput, Co-operative spectrum sensing, Cognitive relay networks, False alarm probability, Hidden terminal problems, Medium access control protocols, Negotiation process, Opportunistic spectrum access, Medium access control
Nationell ämneskategori
Telekommunikation
Identifikatorer
URN: urn:nbn:se:bth-15852DOI: 10.1109/VTCSpring.2017.8108220ISI: 000426875800040Scopus ID: 2-s2.0-85040548983ISBN: 9781509059324 (tryckt)OAI: oai:DiVA.org:bth-15852DiVA, id: diva2:1179781
Konferens
85th IEEE Vehicular Technology Conference, Sydney
Tillgänglig från: 2018-02-02 Skapad: 2018-02-02 Senast uppdaterad: 2018-04-19Bibliografiskt granskad

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Chu, Thi My ChinhZepernick, Hans-Juergen

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