Message-passing algorithms for coordinated spectrum sensing in cognitive radio networks

Sang Hyun Lee, Manohar Shamaiah, Haris Vikalo, Sriram Vishwanath

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


This letter presents distributed algorithms that enable efficient spectrum sensing in cognitive radio networks. In the proposed setting, each node in the system detects different channels in a cooperative fashion in order to improve access to the spectral resources available to the cognitive radio network. The developed scheme utilizes a message-passing framework for efficient channel assignment. Simulation results establish that this class of algorithms outperform existing techniques and improves the overall sensing performance of the system.

Original languageEnglish
Article number6511531
Pages (from-to)812-815
Number of pages4
JournalIEEE Communications Letters
Issue number4
Publication statusPublished - 2013
Externally publishedYes


  • Coordinated spectrum sensing
  • cognitive radios
  • message-passing algorithm

ASJC Scopus subject areas

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering


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