Joint Data Detection and Channel Estimation for MIMO-OFDM Systems via EM Algorithm and Sphere Decoding

被引：0
|
作者：
Wang, Meng [1 ]
Quevedo, Daniel E. [1 ]
Goodwin, Graham C. [1 ]
机构：
[1] Univ Newcastle, Sch Elect Engn & Comp Sci, Callaghan, NSW 2308, Australia
来源：
GLOBECOM 2006 - 2006 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE | 2006年
关键词：
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：
We consider joint data detection and channel estimation for Multiple-input Multiple-output Orthogonal Frequency Division Multiplexing systems. The Expectation Maximization algorithm is employed to capture the dynamics of a time-varying fading channel and also to recover the channel input. This is done iteratively: channel estimates are updated in the E-step, whilst the Sphere Decoding algorithm is used in the M-step to realize data recovery. Initial channel estimates are obtained through the use of a small number of pilot symbols. We show by simulation that the performance of the proposed algorithm can approach coherent detection with reasonable computational complexity.
引用
收藏
页数：5
相关论文
共 50 条
  • [11] Joint CFO and Sparse Channel Estimation for MIMO-OFDM Systems via the SAGE Algorithm
    Xu, Yang
    Zhong, Jie
    Cai, Yunlong
    Zhao, Minjian
    Chen, Bo
    2013 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING (WCSP 2013), 2013,
  • [12] Novel joint iterative channel estimation and symbol detection algorithm for MIMO-OFDM systems
    Zhou, Peng
    Zhao, Chun-Ming
    Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology, 2007, 29 (05): : 1101 - 1105
  • [13] Turbo joint decoding, synchronization and channel estimation for coded MIMO-OFDM systems
    Nguyen-Le, Hung
    Le-Ngoc, Tbo
    Ko, Chi Chung
    2008 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, PROCEEDINGS, VOLS 1-13, 2008, : 4366 - +
  • [14] EM-based MAP channel estimation algorithm for MIMO-OFDM systems
    Xu, Peng
    Wang, Jin-Kuan
    Qi, Feng
    Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics, 2010, 32 (01): : 27 - 30
  • [15] Novel EM-based channel estimation algorithm for MIMO-OFDM systems
    Huo, Wenjun
    Wang, Zhigang
    Li, Shentang
    2007 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-5, 2007, : 2150 - 2153
  • [16] Joint semi-blind channel estimation and data detection for MIMO-OFDM systems
    Yue, J
    Kim, KJ
    Reid, T
    Gibson, JD
    PROCEEDINGS OF THE IEEE 6TH CIRCUITS AND SYSTEMS SYMPOSIUM ON EMERGING TECHNOLOGIES: FRONTIERS OF MOBILE AND WIRELESS COMMUNICATION, VOLS 1 AND 2, 2004, : 709 - 712
  • [17] Iterative Joint Detection, Decoding, and Channel Estimation in Turbo-Coded MIMO-OFDM
    Ylioinas, Jari
    Juntti, Markku
    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2009, 58 (04) : 1784 - 1796
  • [18] Turbo Processing for Joint Channel Estimation, Synchronization, and Decoding in Coded MIMO-OFDM Systems
    Hung Nguyen-Le
    Tho Le-Ngoc
    ChiChung Ko
    EURASIP Journal on Wireless Communications and Networking, 2009
  • [19] Low Complexity Joint Channel Estimation and Decoding for LDPC Coded MIMO-OFDM Systems
    Xu, Xiang
    Mathar, Rudolf
    2011 IEEE 73RD VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING), 2011,
  • [20] Turbo Processing for Joint Channel Estimation, Synchronization, and Decoding in Coded MIMO-OFDM Systems
    Nguyen-Le, Hung
    Le-Ngoc, Tho
    Ko, Chi Chung
    EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING, 2009,
12345