Spectrum sharing in cognitive radio networks

Fan Wang, Marwan M Krunz, Shuguang Cui

Research output: Chapter in Book/Report/Conference proceedingConference contribution

45 Citations (Scopus)

Abstract

In this paper, we present a novel joint power/channel allocation scheme that uses a distributed pricing strategy to improve the network's performance According to this scheme, the spectrum allocation problem is modeled as a non-cooperative game. A price-based iterative water-filling (PIWF) algorithm is proposed, which allows users to converge to the Nash Equilibrium (NE). This PIWF algorithm can be implemented distributively, with CRs repeatedly negotiating their best transmission powers and spectrum. We propose a protocol that implements our pricebased resource allocation algorithm. The proposed MAC protocol allows multiple CR pairs to first contend through an admission phase, and then to iteratively negotiate their transmission powers and spectrum via control-packet exchanges. Subsequently, CRs proceed concurrently with their data transmissions. Simulations are used to study the performance of our protocol and demonstrate its effectiveness in improving the overall network throughput and reducing the average transmission power.

Original languageEnglish (US)
Title of host publicationProceedings - IEEE INFOCOM
Pages36-40
Number of pages5
DOIs
StatePublished - 2008
EventINFOCOM 2008: 27th IEEE Communications Society Conference on Computer Communications - Phoenix, AZ, United States
Duration: Apr 13 2008Apr 18 2008

Other

OtherINFOCOM 2008: 27th IEEE Communications Society Conference on Computer Communications
CountryUnited States
CityPhoenix, AZ
Period4/13/084/18/08

Fingerprint

Cognitive radio
Power transmission
Network performance
Data communication systems
Resource allocation
Water
Throughput
Costs

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Hardware and Architecture

Cite this

Wang, F., Krunz, M. M., & Cui, S. (2008). Spectrum sharing in cognitive radio networks. In Proceedings - IEEE INFOCOM (pp. 36-40). [4509847] https://doi.org/10.1109/INFOCOM.2007.252

Spectrum sharing in cognitive radio networks. / Wang, Fan; Krunz, Marwan M; Cui, Shuguang.

Proceedings - IEEE INFOCOM. 2008. p. 36-40 4509847.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wang, F, Krunz, MM & Cui, S 2008, Spectrum sharing in cognitive radio networks. in Proceedings - IEEE INFOCOM., 4509847, pp. 36-40, INFOCOM 2008: 27th IEEE Communications Society Conference on Computer Communications, Phoenix, AZ, United States, 4/13/08. https://doi.org/10.1109/INFOCOM.2007.252
Wang F, Krunz MM, Cui S. Spectrum sharing in cognitive radio networks. In Proceedings - IEEE INFOCOM. 2008. p. 36-40. 4509847 https://doi.org/10.1109/INFOCOM.2007.252
Wang, Fan ; Krunz, Marwan M ; Cui, Shuguang. / Spectrum sharing in cognitive radio networks. Proceedings - IEEE INFOCOM. 2008. pp. 36-40
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