Joint Space-Time Parameter Estimation for Multicarrier CDMA Systems

被引：13
|
作者：
He, Jin [1 ]
Ahmad, M. Omair [1 ]
Swamy, M. N. S. [1 ]
机构：
[1] Concordia Univ, Dept Elect & Comp Engn, Ctr Signal Proc & Commun, Montreal, PQ H3G 1M8, Canada
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2012年 / 61卷 / 07期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Direction of arrival (DOA) estimation; multicarrier code-division multiple-access (MC-CDMA); multipath; subcarrier smoothing (SCS); MC-CDMA; DOA ESTIMATION; MULTIUSER DETECTION; ANTENNA-ARRAY; DS-CDMA; CHANNEL; ESPRIT;
D O I：
10.1109/TVT.2012.2203327
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：
This paper addresses the problem of joint space-time parameter estimation for multicarrier code-division multiple-access (MC-CDMA) systems in the presence of multipath propagation. We propose a novel preprocessing technique termed as subcarrier smoothing (SCS) to decorrelate the coherency of the multipath signals. The basic idea behind the SCS is to restore the rank of the signal correlation matrix by averaging the space-time covariance matrices associated with each subcarrier. Unlike the other existing preprocessing techniques, such as spatial smoothing, the SCS preprocessing is not limited to any specific array geometry and does not decrease the array aperture.
引用
收藏
页码：3306 / 3311
页数：7
相关论文
共 50 条
  • [1] Space-time multiuser detection for space-time block coded multicarrier CDMA systems
    Zhu, Cheng
    Zhang, Cuifang
    [J]. 2006 10TH INTERNATIONAL CONFERENCE ON COMMUNICATION TECHNOLOGY, VOLS 1 AND 2, PROCEEDINGS, 2006, : 1297 - +
  • [2] Joint channel and space-time parameter estimation
    Cedervall, M
    Paulraj, A
    [J]. THIRTIETH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, VOLS 1 AND 2, 1997, : 375 - 379
  • [3] Minimum variance receiver for multicarrier CDMA systems with space-time coding
    Sun, W
    Amin, MG
    [J]. CONFERENCE RECORD OF THE THIRTY-SEVENTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, VOLS 1 AND 2, 2003, : 1152 - 1155
  • [4] Blind space-time joint channel and direction of arrival estimation for DS-CDMA systems
    de Lamare, R. C.
    Sampaio-Neto, R.
    [J]. IET SIGNAL PROCESSING, 2011, 5 (01) : 33 - 39
  • [5] Joint space-time parameter estimation for wireless communication channels
    Raleigh, GG
    Boros, T
    [J]. IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1998, 46 (05) : 1333 - 1343
  • [6] Blind space-time equalization/decoding with carrier frequency synchronization in multicarrier CDMA systems
    Feng, AG
    Yin, QY
    Zhao, Z
    Zhang, H
    [J]. 2002 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL II, PROCEEDINGS, 2002, : 500 - 503
  • [7] Bayesian Monte Carlo multiuser receiver for space-time coded multicarrier CDMA systems
    Yang, ZG
    Lu, B
    Wang, XD
    [J]. IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, 2001, 19 (08) : 1625 - 1637
  • [8] Space-time coding and spatial multiplexing in MIMO Multicarrier CDMA
    Golkar, Bijan
    Danilo-Lemoine, Florence
    [J]. 2007 IEEE 18TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, VOLS 1-9, 2007, : 2668 - 2672
  • [9] Joint space-time channel parameter estimation for DS-CDMA system in multipath Rayleigh fading channels
    Wang, K
    Ge, H
    [J]. ELECTRONICS LETTERS, 2001, 37 (07) : 458 - 460
  • [10] Enhancing performance of space-time parameter estimation in DS-CDMA arrays
    Wu, Rui
    Ristaniemi, Tapani
    [J]. 2007 2ND INTERNATIONAL SYMPOSIUM ON WIRELESS PERVASIVE COMPUTING, VOLS 1 AND 2, 2007, : 501 - +
12345