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Bit Allocation Scheme with Primary Base Station Cooperation in Cognitive Radio Network

  • Conference paper
Wireless Algorithms, Systems, and Applications (WASA 2012)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 7405))

Abstract

Bit allocation scheme for cognitive OFDM with base station cooperation (BSC) in primary network is discussed in this correspondence. Under this circumstance, the optimization problem is formulated to minimize the interference to the primary BSC network, in order to guarantee the fixed rates for cognitive user transmission. With the knowledge of channel state information (CSI) in the interference channel, the optimal solutions can be solved by Lagrange optimum methods. Furthermore, bit assignment and access ability of cognitive users are analyzed in BSC model. Relationship of primary interference power and secondary allocated bits are presented. Simulation results indicate that, the access ability of cognitive user is significantly enhanced by BSC in comparison with non-cooperative primary network scenario, and the corresponding interference power could be reduced significantly with the proposed optimal bit assignment scheme.

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Author information

Authors and Affiliations

  1. Institute of Information and Communication Engineering, Zhejiang University, Hangzhou, China

    Xiaorong Xu & Aiping Huang

  2. College of Telecommunication Engineering, Hangzhou Dianzi University, Hangzhou, China

    Xiaorong Xu & Jianwu Zhang

  3. Institute of Signal Processing and Transmission, Nanjing University of Posts and Telecommunications, Nanjing, China

    Baoyu Zheng

Authors
  1. Xiaorong Xu
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  2. Aiping Huang
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  3. Jianwu Zhang
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  4. Baoyu Zheng
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Editor information

Editors and Affiliations

  1. Department of Electronic Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd., Minhang District, 200240, Hanghai, China

    Xinbing Wang

  2. Department of Computer Science, University of Houston, 4800 Calhoun Rd., 565 Philip G. Hoffman Hall, 77204-3010, Houston, TX, USA

    Rong Zheng

  3. School of Electronics and Information Engineering, Beijing JiaoTong University, 3 Shangyuan Village, Haidian District, 100044, Beijing, China

    Tao Jing

  4. School of Computer Science and Technology, University of Science and Technology of china, USTC West Campus, P.O. Box 4, 230027, Hefei, Anhui, China

    Kai Xing

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© 2012 Springer-Verlag Berlin Heidelberg

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Xu, X., Huang, A., Zhang, J., Zheng, B. (2012). Bit Allocation Scheme with Primary Base Station Cooperation in Cognitive Radio Network. In: Wang, X., Zheng, R., Jing, T., Xing, K. (eds) Wireless Algorithms, Systems, and Applications. WASA 2012. Lecture Notes in Computer Science, vol 7405. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31869-6_15

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  • DOI: https://doi.org/10.1007/978-3-642-31869-6_15

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-31868-9

  • Online ISBN: 978-3-642-31869-6

  • eBook Packages: Computer ScienceComputer Science (R0)

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