Optimal Transceiver Design for Interference Alignment Based Cognitive Radio Networks

被引:35
作者
Men, Hongzhi [1 ]
Zhao, Nan [1 ]
Jin, Minglu [1 ]
Kim, Jae Moung [2 ,3 ]
机构
[1] Dalian Univ Technol, Sch Informat & Commun Engn, Dalian 116024, Peoples R China
[2] Inha Univ, Smart Spectrum Engn Res Ctr SSE ITRC, Inchon 402751, South Korea
[3] Inha Univ, Dept Informat & Commun Engn, Inchon 402751, South Korea
基金
中国国家自然科学基金;
关键词
Cognitive radio; interference alignment; quality of service; rayleigh quotient; spectrum sharing;
D O I
10.1109/LCOMM.2015.2442243
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
Interference alignment (IA) can effectively eliminate the interference among users in cognitive radio (CR) networks. Nevertheless, to further increase the transmission rate of the primary user (PU) and guarantee its priority, we propose an optimal transceiver design (OTD) scheme for IA-based CR networks in this letter. In the OTD scheme, two partial-IA based algorithms are proposed to design the precoding matrices of SUs, in which the interference is aligned at the primary receiver with much lower overhead and complexity. Then the PU's precoding matrix is designed to maximize its throughput accordingly. To further improve the performance of SUs, their decoding matrices are re-designed. Simulation results are presented to show the effectiveness of the proposed scheme.
引用
收藏
页码:1442 / 1445
页数:4
相关论文
共 9 条
  • [1] THE PRACTICAL CHALLENGES OF INTERFERENCE ALIGNMENT
    El Ayach, Omar
    Peters, Steven W.
    Heath, Robert W., Jr.
    [J]. IEEE WIRELESS COMMUNICATIONS, 2013, 20 (01) : 35 - 42
  • [2] Gao H, 2013, 2013 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC), P3099
  • [3] A Distributed Numerical Approach to Interference Alignment and Applications to Wireless Interference Networks
    Gomadam, Krishna
    Cadambe, Viveck R.
    Jafar, Syed A.
    [J]. IEEE TRANSACTIONS ON INFORMATION THEORY, 2011, 57 (06) : 3309 - 3322
  • [4] Cognitive radio: Brain-empowered wireless communications
    Haykin, S
    [J]. IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, 2005, 23 (02) : 201 - 220
  • [5] Partial Interference Alignment for K-User MIMO Interference Channels
    Huang, Huang
    Lau, Vincent K. N.
    [J]. IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2011, 59 (10) : 4900 - 4908
  • [6] Interference alignment in cognitive radio networks
    Rezaei, Fatemeh
    Tadaion, Aliakbar
    [J]. IET COMMUNICATIONS, 2014, 8 (10) : 1769 - 1777
  • [7] Advances in Cognitive Radio Networks: A Survey
    Wang, Beibei
    Liu, K. J. Ray
    [J]. IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING, 2011, 5 (01) : 5 - 23
  • [8] On Feasibility of Interference Alignment in MIMO Interference Networks
    Yetis, Cenk M.
    Gou, Tiangao
    Jafar, Syed A.
    Kayran, Ahmet H.
    [J]. IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2010, 58 (09) : 4771 - 4782
  • [9] Zhou HC, 2011, IEEE INT SYMP DYNAM, P637, DOI 10.1109/DYSPAN.2011.5936260