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In this paper is carried out an investigation that the performance of the cooperative spectrum sensing with relay may be interfered by redundant relays, the number of busy cognitive users (CUs) and the secondary relay(SR), detection threshold and transmission error of the channel, so that a global adaptive optimization algorithm is proposed. In this algorithm, based on the maximum interference-free power relay selection (MIFPRS), the set of secondary relay is defined adaptively; and in order to reach a maximum of the probability of detection, the single cognitive user minimizes the transmission error of the channel and selects the relay from the set of secondary relays. To achieve the maximum of the total channel throughput under the given probability of detection, ale ues the entire adaptive optimization algorithm. Numerical simulations demonstrate that the proposed algorithm has a high degree of channel transmission precision, and a large amount of channel throughput, so as to spend less frequency band.
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Keywords:
- spectrum sensing /
- relay-assisted /
- adaptive /
- global optimization
[1] Laska J, Bradley W, Rondeau T 2011 IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks Aachen, May 3-6, 2011 p156
[2] Mishali M, Eldar Y C 2011 IEEE Signal Processing Magazine. 28 102
[3] Zu Y X, Zhou J 2012 Chin. Phys. B 21 019501
[4] Zhang X J, Lu Y, Tian F, Sun Z X 2014 Acta Phys. Sin. 63 078401 (in Chinese) [张学军, 鲁友, 田峰, 孙知信 2014 物理学报 63 078401]
[5] Liu Y, Peng Q C, Shao H Z, Peng Q H 2013 Acta Phys. Sin. 62 078406 (in Chinese) [刘允, 彭启琮, 邵怀宗, 彭启航 2013 物理学报 62 078406]
[6] Yin C, Tan X Z, Ma L 2014 Acta Phys.Sin. 63 118402 (in Chinese) [殷聪, 谭学治, 马琳 2014 物理学报 63 118402]
[7] Zheng S L, Yang X N 2012 Acta Phys. Sin. 61 148402 (in Chinese) [郑仕链, 杨小牛 2012 物理学报 61 148402]
[8] Zhang Q, Jia J, Zhang J 2009 IEEE Communications Magazine 47 111
[9] Zou Y, Yao Y D, Zheng B 2010 IEEE Transactions on Wireless Communications 9 2676
[10] Laneman J N, Tse D N, Wornell G W 2013 IEEE Transactions on Information Theory 50 3062
[11] Hunter T E, Sanayei S, Nosratinia A 2006 IEEE Transactions on Information Theory 52 375
[12] Zhang J C, Fu N, Qiao L Y 2014 Acta Phys. Sin. 63 030701 (in Chinese) [张京超, 付宁, 乔立岩 2014 物理学报 63 030701]
[13] Ikki S S, Ahmed M H 2010 IEEE Transactions on Communications 58 68
[14] Li M L, Yuang C W, Li L, Yang R Z 2011 Journal on Communications 2 53 (in Chinese) [李美玲, 袁超伟, 李琳, 杨睿哲 2011 通信学报 2 53]
[15] Mark B L, Nasif A O 2009 IEEE Transactions on Wireless Communications 8 2505
[16] Shen J, Liu S, Wang Y 2009 IET Communication 3 1016
[17] Yulong Zou, Jia Zhu, Baoyu Zheng, Sulan Tang 2010 IEEE Global Telecommunications Conference (GLOBECOM 2010) Miami Florida, Dec 6-10 2010, p1
[18] Yue W J, Zheng B Y, Meng Q M 2011 Science China: Information Science 41 365 (in Chinese) [岳文静, 郑宝玉, 孟庆民 2011 中国科学:信息科学 41 365]
[19] Peng M G, Wang W B 2009 Collaborative Wireless Communication Principle and Application (Beijing: China Machine Press) p255 (in Chinese) [彭木根, 王文博 2009 协同无线通信原理与应用(北京:机械工业出版社) 第255页]
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[1] Laska J, Bradley W, Rondeau T 2011 IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks Aachen, May 3-6, 2011 p156
[2] Mishali M, Eldar Y C 2011 IEEE Signal Processing Magazine. 28 102
[3] Zu Y X, Zhou J 2012 Chin. Phys. B 21 019501
[4] Zhang X J, Lu Y, Tian F, Sun Z X 2014 Acta Phys. Sin. 63 078401 (in Chinese) [张学军, 鲁友, 田峰, 孙知信 2014 物理学报 63 078401]
[5] Liu Y, Peng Q C, Shao H Z, Peng Q H 2013 Acta Phys. Sin. 62 078406 (in Chinese) [刘允, 彭启琮, 邵怀宗, 彭启航 2013 物理学报 62 078406]
[6] Yin C, Tan X Z, Ma L 2014 Acta Phys.Sin. 63 118402 (in Chinese) [殷聪, 谭学治, 马琳 2014 物理学报 63 118402]
[7] Zheng S L, Yang X N 2012 Acta Phys. Sin. 61 148402 (in Chinese) [郑仕链, 杨小牛 2012 物理学报 61 148402]
[8] Zhang Q, Jia J, Zhang J 2009 IEEE Communications Magazine 47 111
[9] Zou Y, Yao Y D, Zheng B 2010 IEEE Transactions on Wireless Communications 9 2676
[10] Laneman J N, Tse D N, Wornell G W 2013 IEEE Transactions on Information Theory 50 3062
[11] Hunter T E, Sanayei S, Nosratinia A 2006 IEEE Transactions on Information Theory 52 375
[12] Zhang J C, Fu N, Qiao L Y 2014 Acta Phys. Sin. 63 030701 (in Chinese) [张京超, 付宁, 乔立岩 2014 物理学报 63 030701]
[13] Ikki S S, Ahmed M H 2010 IEEE Transactions on Communications 58 68
[14] Li M L, Yuang C W, Li L, Yang R Z 2011 Journal on Communications 2 53 (in Chinese) [李美玲, 袁超伟, 李琳, 杨睿哲 2011 通信学报 2 53]
[15] Mark B L, Nasif A O 2009 IEEE Transactions on Wireless Communications 8 2505
[16] Shen J, Liu S, Wang Y 2009 IET Communication 3 1016
[17] Yulong Zou, Jia Zhu, Baoyu Zheng, Sulan Tang 2010 IEEE Global Telecommunications Conference (GLOBECOM 2010) Miami Florida, Dec 6-10 2010, p1
[18] Yue W J, Zheng B Y, Meng Q M 2011 Science China: Information Science 41 365 (in Chinese) [岳文静, 郑宝玉, 孟庆民 2011 中国科学:信息科学 41 365]
[19] Peng M G, Wang W B 2009 Collaborative Wireless Communication Principle and Application (Beijing: China Machine Press) p255 (in Chinese) [彭木根, 王文博 2009 协同无线通信原理与应用(北京:机械工业出版社) 第255页]
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