An Efficient Resource Allocation Scheme for OFDMA-Based Cooperative Cognitive Radio Networks with Minimum Power Constraint

被引：0
|
作者：
Hashemi, Yoones [1 ]
Olfat, Ali [1 ]
机构：
[1] Univ Tehran, Dept Elect & Comp Engn, Tehran, Iran
来源：
2012 SIXTH INTERNATIONAL SYMPOSIUM ON TELECOMMUNICATIONS (IST) | 2012年
关键词：
OFDMA; cooperative; cognitive; resource allocation; JOINT SUBCARRIER; TRANSMISSION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel resource allocation algorithm for OFDMA-based cooperative cognitive radio network is proposed. Sum-capacity of Primary Users (PUs) is maximized under minimum power constraint. We design a sub-optimum algorithm with low complexity. In this manner, though sum-capacity does not change significantly, Outage probability of systems decrease considerably. The algorithm is also modified to improve active PUs in the network. Difference between optimum and sub-optimum schemes is shown to be negligible in simulation results. These algorithms aim to increase subcarriers of secondary users.
引用
收藏
页码：176 / 181
页数：6
相关论文
共 50 条
  • [31] An OFDMA-Based Subcarrier and Power Allocation Scheme in Wireless Cooperative Cellular Systems
    Tang, Zhihua
    Zhu, Youtuan
    Wei, Guo
    Zhu, Jinkang
    WIRELESS PERSONAL COMMUNICATIONS, 2009, 48 (02) : 277 - 289
  • [32] Quantized ergodic radio resource allocation in OFDMA-based cognitive DF relay-assisted networks
    Mokari, Nader
    Azmi, Paeiz
    Saeedi, Hamid
    IEEE Transactions on Wireless Communications, 2013, 12 (10) : 5110 - 5123
  • [33] Resource Allocation in OFDMA-Based Wireless-Powered Cooperative Sensor Networks
    Lohani, Sudha
    Mallick, Shankhanaad
    Hossain, Ekram
    Bhargava, Vijay K.
    2015 IEEE INTERNATIONAL WIE CONFERENCE ON ELECTRICAL AND COMPUTER ENGINEERING (WIECON-ECE), 2015, : 65 - 69
  • [34] An OFDMA-Based Subcarrier and Power Allocation Scheme in Wireless Cooperative Cellular Systems
    Zhihua Tang
    Youtuan Zhu
    Guo Wei
    Jinkang Zhu
    Wireless Personal Communications, 2009, 48 : 277 - 289
  • [35] A Joint Resource Allocation Scheme for OFDMA-based Wireless Networks with Carrier Aggregation
    Wu, Fan
    Mao, Yuming
    Huang, Xiaoyan
    Leng, Supeng
    2012 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC), 2012, : 1299 - 1304
  • [36] Radio Resource Allocation for OFDMA Cognitive Cooperative System
    Golrezaei-KHuzani, Zahra
    Ardebilipour, Merhdad
    12TH INTERNATIONAL CONFERENCE ON ADVANCED COMMUNICATION TECHNOLOGY: ICT FOR GREEN GROWTH AND SUSTAINABLE DEVELOPMENT, VOLS 1 AND 2, 2010, : 956 - 961
  • [37] QoE-aware Resource Allocation Scheme in the OFDMA-based Cognitive Radio Network with Imperfect CSI Consideration
    Jin, Xixi
    Xie, Lei
    Chen, Huifang
    2017 9TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING (WCSP), 2017,
  • [38] Distributed Subcarrier and Power Allocation for OFDMA-based Cognitive Femtocell Radio Uplink
    Chai, Chin Choy
    2013 IEEE 24TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC), 2013, : 2876 - 2880
  • [39] Dynamic Subchannel and Power Allocation in OFDMA-Based DF Cooperative Relay Networks
    Li, Hongxing
    Yu, Hui
    Luo, Hanwen
    Guo, Jia
    Li, Chisheng
    GLOBECOM 2008 - 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, 2008,
  • [40] Distributed Resource Allocation for OFDMA-Based Relay Networks
    Pan, Yuwen
    Nix, Andrew
    Beach, Mark
    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2011, 60 (03) : 919 - 931
12345