OPTIMAL BASIS FOR BANDED CHANNEL EQUALIZERS IN OFDM SYSTEM OVER DOUBLY SELECTIVE CHANNELS

被引：0
|
作者：
Ohno, Shuichi [1 ]
Nakamoto, Masayoshi [1 ]
机构：
[1] Hiroshima Univ, Dept ACSE, Hiroshima 730, Japan
来源：
2010 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2010年
关键词：
Time-varying channels; Estimation; Discrete Fourier transforms; TIME-VARYING CHANNELS; EQUALIZATION; INTERFERENCE;
D O I：
10.1109/ICASSP.2010.5496097
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
We prove that discrete Fourier basis channel model is optimal for least squares estimation of channel coefficients used for low-complexity equalization of OFDM transmission over doubly selective channels. We show that regardless of channel statistics, the channel model order is determined by the number of coefficients used in the equalization. Our theoretical findings are numerically validated by using linear zero forcing equalizers and non-linear maximum likelihood equalizer with pilot-aided channel estimation.
引用
收藏
页码：3078 / 3081
页数：4
相关论文
共 50 条
  • [1] Channel estimation of PP-OFDM over doubly selective channels
    Yang, Weiwei
    Cai, Yueming
    2006 IEEE INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-4, 2006, : 243 - 246
  • [2] Equalization for OFDM over doubly selective channels
    Barhumi, I
    Leus, G
    Moonen, M
    IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2006, 54 (04) : 1445 - 1458
  • [3] Joint Synchronization and Channel Estimation for OFDM Transmissions over Doubly Selective Channels
    Hung Nguyen-Le
    Tho Le-Ngoc
    2009 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-8, 2009, : 3435 - 3439
  • [4] Joint Channel Estimation and Data Detection for OFDM Systems over Doubly Selective Channels
    He, Lanlan
    Ma, Shaodan
    Wu, Yik-Chung
    Ng, Tung-Sang
    2009 IEEE 20TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, 2009, : 446 - 450
  • [5] Adaptive Vector OFDM System for Transmission Over Doubly Selective Fading Channels
    Fu, Panyu
    Zhang, Zhaoyang
    Luo, Xiqian
    Zhang, Huazi
    Zhong, Caijun
    2014 SIXTH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING (WCSP), 2014,
  • [6] Low complexity equalizers for single carrier transmissions over doubly selective channels
    Ohno, Shuichi
    Manasseh, Emmanuel
    Nakamoto, Masayoshi
    IEICE COMMUNICATIONS EXPRESS, 2014, 3 (02): : 80 - 85
  • [7] Iterative Channel Estimation and Successive ICI Cancellation for OFDM Systems over Doubly Selective Channels
    Weikun Hou
    Wu Ye
    Suili Feng
    Feng Ke
    Wireless Personal Communications, 2010, 55 : 289 - 303
  • [8] Bayesian Joint Channel-and-Data Estimation for Quantized OFDM Over Doubly Selective Channels
    Xiang, Youyang
    Xu, Ke
    Xia, Binyang
    Cheng, Xiantao
    IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 2023, 22 (03) : 1523 - 1536
  • [9] Iterative Channel Estimation and Successive ICI Cancellation for OFDM Systems over Doubly Selective Channels
    Hou, Weikun
    Ye, Wu
    Feng, Suili
    Ke, Feng
    WIRELESS PERSONAL COMMUNICATIONS, 2010, 55 (02) : 289 - 303
  • [10] Time-domain channel shortening and equalization of OFDM over doubly-selective channels
    Barhumi, I
    Leus, G
    Moonen, M
    2004 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL III, PROCEEDINGS: IMAGE AND MULTIDIMENSIONAL SIGNAL PROCESSING SPECIAL SESSIONS, 2004, : 801 - 804
12345