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
  • [31] Performance analysis of banded equalizers for OFDM systems in time-varying channels
    Rugini, Luca
    Banelli, Paolo
    2007 IEEE 8TH WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS, VOLS 1 AND 2, 2007, : 211 - 215
  • [32] Low-complexity banded equalizers for OFDM systems in Doppler spread channels
    Rugini, Luca
    Banelli, Paolo
    Leus, Geert
    EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING, 2006, 2006 (1) : 1 - 13
  • [33] Low-Complexity Banded Equalizers for OFDM Systems in Doppler Spread Channels
    Luca Rugini
    Paolo Banelli
    Geert Leus
    EURASIP Journal on Advances in Signal Processing, 2006
  • [34] Low-complexity banded equalizers for OFDM systems in doppler spread channels
    Rugini, Luca
    Banelli, Paolo
    Leus, Geert
    Eurasip Journal on Applied Signal Processing, 2006, 2006 : 1 - 13
  • [35] Channel estimation using a reduced rate of pilot subcarriers for OFDM systems over doubly-selective channels
    Baouni, Abdekhalek
    Farrouki, Atef
    IET COMMUNICATIONS, 2018, 12 (14) : 1714 - 1721
  • [36] Semi-Blind CFO, Channel Estimation and Data Detection for OFDM Systems over Doubly Selective Channels
    He, Lanlan
    Ma, Shaodan
    Wu, Yik-Chung
    Ng, Tung-Sang
    2010 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, 2010, : 1887 - 1890
  • [37] Channel Estimation and ICI Cancellation for OFDM Systems in Doubly-selective Channels
    Ruan, Liang
    Zhang, Jianhua
    Zhang, Yanyan
    Xia, Minghua
    68TH IEEE VEHICULAR TECHNOLOGY CONFERENCE, FALL 2008, 2008, : 844 - 848
  • [38] Channel estimation based on block-type pilot in OFDM systems over doubly-selective channels
    Chen, Yu
    Shao, Huaizong
    Huang, Wei
    Yang, Fan
    2011 International Conference on Computational Problem-Solving, ICCP 2011, 2011, : 409 - 413
  • [39] On Optimal Resampling for OFDM Signaling in Doubly-Selective Underwater Acoustic Channels
    Yerramalli, Srinivas
    Mitra, Urbashi
    OCEANS 2008, VOLS 1-4, 2008, : 1773 - +
  • [40] LVDM Time-Frequency Equalizers for Doubly Selective Channels
    Tourki, Kamel
    Zakaria, Rostom
    Debbah, Merouane
    2020 IEEE 31ST ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS (IEEE PIMRC), 2020,
12345