Title :
Exploiting Radio Correlation and Reliability Information in Collaborative Spectrum Sensing
Author :
Headley, William C. ; Chavali, V. Gautham ; Silva, Claudio R C M da
Author_Institution :
Bradley Dept. of Electr. & Comput. Eng., Virginia Tech, Blacksburg, VA, USA
fDate :
8/1/2011 12:00:00 AM
Abstract :
Prior research has demonstrated that using radio correlation or radio reliability information can lead to more efficient collaborative spectrum sensing. However, the joint consideration of this position-dependent information is at present underdeveloped. This paper presents a novel collaborative spectrum sensing algorithm in which both radio correlation and reliability information are jointly considered. Accompanying performance analysis demonstrates that the proposed algorithm outperforms algorithms in which only one, or neither, of these position-dependent effects are considered.
Keywords :
cognitive radio; telecommunication network reliability; collaborative spectrum sensing algorithm; position-dependent effects; position-dependent information; radio correlation; radio reliability information; Algorithm design and analysis; Collaboration; Correlation; Detectors; Random variables; Reliability; Spectrum sensing; cognitive radio; correlated lognormal shadowing; distributed detection; signal detection;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2011.061011.110569