Spectrum leasing in cognitive radio networks: a survey
Cognitive Radio (CR) is a dynamic spectrum access approach, in which unlicensed users (or secondary users, SUs) exploit the underutilized channels (or white spaces) owned by the licensed users (or primary users, PUs). Traditionally, SUs are oblivious to PUs, and therefore the acquisition of white sp...
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| Format: | Article |
| Language: | English |
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Hindawi Publishing Corporation
2014
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| Online Access: | http://eprints.sunway.edu.my/254/ http://eprints.sunway.edu.my/254/1/DCIS_Yau%20Alvin%20Kok-Lim.%20Spectrum%20leasing%20in%20cognitive%20radio.pdf |
| _version_ | 1848801783661461504 |
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| author | Syed, Aqeel Raza* Yau, Alvin Kok-Lim * |
| author_facet | Syed, Aqeel Raza* Yau, Alvin Kok-Lim * |
| author_sort | Syed, Aqeel Raza* |
| building | SU Institutional Repository |
| collection | Online Access |
| description | Cognitive Radio (CR) is a dynamic spectrum access approach, in which unlicensed users (or secondary users, SUs) exploit the underutilized channels (or white spaces) owned by the licensed users (or primary users, PUs). Traditionally, SUs are oblivious to PUs, and therefore the acquisition of white spaces is not guaranteed. Hence, a SU must vacate its channel whenever a PU reappears on it in an unpredictablemanner,which may affect the SUs’ network performance. Spectrumleasing has been proposed to tackle the
aforementioned problem through negotiation between the PU and SU networks, which allows the SUs to acquire white spaces for a guaranteed period of time.Through spectrumleasing, the PUs and SUs enhance their network performances, and additionally PUs maximize their respective monetary gains. Numerous research efforts have been made to investigate the CR, whereas the research
into spectrum leasing remains at its infancy. In this paper, we present a comprehensive review on spectrum leasing schemes in CR networks by highlighting some pioneering approaches and discuss the gains, functionalities, characteristics, and challenges of
spectrum leasing schemes along with the performance enhancement in CR networks. Additionally, we discuss various open issues in order to spark new interests in this research area. |
| first_indexed | 2025-11-14T21:12:57Z |
| format | Article |
| id | sunway-254 |
| institution | Sunway University |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T21:12:57Z |
| publishDate | 2014 |
| publisher | Hindawi Publishing Corporation |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | sunway-2542020-10-12T07:40:27Z http://eprints.sunway.edu.my/254/ Spectrum leasing in cognitive radio networks: a survey Syed, Aqeel Raza* Yau, Alvin Kok-Lim * TK Electrical engineering. Electronics Nuclear engineering Cognitive Radio (CR) is a dynamic spectrum access approach, in which unlicensed users (or secondary users, SUs) exploit the underutilized channels (or white spaces) owned by the licensed users (or primary users, PUs). Traditionally, SUs are oblivious to PUs, and therefore the acquisition of white spaces is not guaranteed. Hence, a SU must vacate its channel whenever a PU reappears on it in an unpredictablemanner,which may affect the SUs’ network performance. Spectrumleasing has been proposed to tackle the aforementioned problem through negotiation between the PU and SU networks, which allows the SUs to acquire white spaces for a guaranteed period of time.Through spectrumleasing, the PUs and SUs enhance their network performances, and additionally PUs maximize their respective monetary gains. Numerous research efforts have been made to investigate the CR, whereas the research into spectrum leasing remains at its infancy. In this paper, we present a comprehensive review on spectrum leasing schemes in CR networks by highlighting some pioneering approaches and discuss the gains, functionalities, characteristics, and challenges of spectrum leasing schemes along with the performance enhancement in CR networks. Additionally, we discuss various open issues in order to spark new interests in this research area. Hindawi Publishing Corporation 2014 Article PeerReviewed text en cc_by_nc_nd http://eprints.sunway.edu.my/254/1/DCIS_Yau%20Alvin%20Kok-Lim.%20Spectrum%20leasing%20in%20cognitive%20radio.pdf Syed, Aqeel Raza* and Yau, Alvin Kok-Lim * (2014) Spectrum leasing in cognitive radio networks: a survey. International Journal of Distributed Sensor Networks, 2014. pp. 1-22. ISSN 1550-1329 http://dx.doi.org/10.1155/2014/329235 |
| spellingShingle | TK Electrical engineering. Electronics Nuclear engineering Syed, Aqeel Raza* Yau, Alvin Kok-Lim * Spectrum leasing in cognitive radio networks: a survey |
| title | Spectrum leasing in cognitive radio networks: a survey |
| title_full | Spectrum leasing in cognitive radio networks: a survey |
| title_fullStr | Spectrum leasing in cognitive radio networks: a survey |
| title_full_unstemmed | Spectrum leasing in cognitive radio networks: a survey |
| title_short | Spectrum leasing in cognitive radio networks: a survey |
| title_sort | spectrum leasing in cognitive radio networks: a survey |
| topic | TK Electrical engineering. Electronics Nuclear engineering |
| url | http://eprints.sunway.edu.my/254/ http://eprints.sunway.edu.my/254/ http://eprints.sunway.edu.my/254/1/DCIS_Yau%20Alvin%20Kok-Lim.%20Spectrum%20leasing%20in%20cognitive%20radio.pdf |