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Improved quantum genetic algorithm for competitive spectrum sharing in cognitive radios
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- Li, Fei (author)
- Umeå universitet,Institutionen för tillämpad fysik och elektronik,Institute of Signal Processing and Transmission, Key Lab of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing, China
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- Zhu, Dongpo (author)
- Institute of Signal Processing and Transmission, Key Lab of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing, China
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- Tian, Feng (author)
- Institute of Signal Processing and Transmission, Key Lab of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing, China
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- (creator_code:org_t)
- 2011-11-12
- 2012
- English.
- In: 2011 International Conference in Electrics, Communication and Automatic Control Proceedings. - New York, NY : Springer. - 9781441988485 - 9781441988492 ; , s. 1203-1209
- Conference paper (peer-reviewed)
Abstract
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- This chapter investigates a kind of whole new approach to spectrum sharing in cognitive radio (CR) system, quantum-inspired approach. First, we improved Quantum Genetic Algorithm (QGA) by adding quantum crossover operator to overcome the shortcomings of the original QGA, easily falling into a local extremum when used to optimize the continuous functions with many extrema. We then propose a novel spectrum sharing scheme in noncooperative game for CR system based on our improved QGA. We use QGA as competitive strategies and provide simulation results that confirm the proposed schemes have better convergence rate and higher sum capacity than genetic algorithm (GA)-based scheme, namely at most 1 bit/s/Hz increase in capacity. The results demonstrate the effectiveness and the applicability of QGA in spectrum sharing in CR system.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- Cognitive radio
- Game theory
- Quantum genetic algorithm
- Spectrum sharing
Publication and Content Type
- ref (subject category)
- kon (subject category)
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- Li, Haibo, 1960-
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