Modified subspace-based channel estimation algorithm for OFDM systems

Shih Hao Fang; Ju Ya Chen; Ming-Der Shieh; Jing Shiun Lin

doi:10.1109/VETECS.2009.5073690

Modified subspace-based channel estimation algorithm for OFDM systems

Shih Hao Fang
, Ju Ya Chen
, Ming-Der Shieh
, Jing Shiun Lin

Department of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

A modified subspace-based blind channel estimation algorithm for OFDM systems is proposed in this paper. A systematic approach is used to construct the signal matrix in the proposed algorithm. Compared with conventional subspace-based blind channel estimation algorithm, the proposed algorithm has lower computational complexity and higher probability of full row rank for the corresponding signal matrix. In addition, fewer OFDM symbols can be used to satisfy the necessary condition for achieving a full-row-rank signal matrix. Simulation results show that the proposed algorithm outperforms conventional method in mean-squared error and bit error rate under static channel. Even with a smaller number of received OFDM symbols, the proposed algorithm can perform well.

Original language	English
Title of host publication	VTC Spring 2009 - IEEE 69th Vehicular Technology Conference
DOIs	https://doi.org/10.1109/VETECS.2009.5073690
Publication status	Published - 2009
Event	VTC Spring 2009 - IEEE 69th Vehicular Technology Conference - Barcelona, Spain Duration: 2009 Apr 26 → 2009 Apr 29

Other

Other	VTC Spring 2009 - IEEE 69th Vehicular Technology Conference
Country/Territory	Spain
City	Barcelona
Period	09-04-26 → 09-04-29

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering
Computer Science Applications
Applied Mathematics

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10.1109/VETECS.2009.5073690

Cite this

@inproceedings{c65f81e49f4248229d7a68b4251b11d1,

title = "Modified subspace-based channel estimation algorithm for OFDM systems",

abstract = "A modified subspace-based blind channel estimation algorithm for OFDM systems is proposed in this paper. A systematic approach is used to construct the signal matrix in the proposed algorithm. Compared with conventional subspace-based blind channel estimation algorithm, the proposed algorithm has lower computational complexity and higher probability of full row rank for the corresponding signal matrix. In addition, fewer OFDM symbols can be used to satisfy the necessary condition for achieving a full-row-rank signal matrix. Simulation results show that the proposed algorithm outperforms conventional method in mean-squared error and bit error rate under static channel. Even with a smaller number of received OFDM symbols, the proposed algorithm can perform well.",

author = "Fang, \{Shih Hao\} and Chen, \{Ju Ya\} and Ming-Der Shieh and Lin, \{Jing Shiun\}",

year = "2009",

doi = "10.1109/VETECS.2009.5073690",

language = "English",

isbn = "9781424425174",

booktitle = "VTC Spring 2009 - IEEE 69th Vehicular Technology Conference",

note = "VTC Spring 2009 - IEEE 69th Vehicular Technology Conference ; Conference date: 26-04-2009 Through 29-04-2009",

}

TY - GEN

T1 - Modified subspace-based channel estimation algorithm for OFDM systems

AU - Fang, Shih Hao

AU - Chen, Ju Ya

AU - Shieh, Ming-Der

AU - Lin, Jing Shiun

PY - 2009

Y1 - 2009

N2 - A modified subspace-based blind channel estimation algorithm for OFDM systems is proposed in this paper. A systematic approach is used to construct the signal matrix in the proposed algorithm. Compared with conventional subspace-based blind channel estimation algorithm, the proposed algorithm has lower computational complexity and higher probability of full row rank for the corresponding signal matrix. In addition, fewer OFDM symbols can be used to satisfy the necessary condition for achieving a full-row-rank signal matrix. Simulation results show that the proposed algorithm outperforms conventional method in mean-squared error and bit error rate under static channel. Even with a smaller number of received OFDM symbols, the proposed algorithm can perform well.

AB - A modified subspace-based blind channel estimation algorithm for OFDM systems is proposed in this paper. A systematic approach is used to construct the signal matrix in the proposed algorithm. Compared with conventional subspace-based blind channel estimation algorithm, the proposed algorithm has lower computational complexity and higher probability of full row rank for the corresponding signal matrix. In addition, fewer OFDM symbols can be used to satisfy the necessary condition for achieving a full-row-rank signal matrix. Simulation results show that the proposed algorithm outperforms conventional method in mean-squared error and bit error rate under static channel. Even with a smaller number of received OFDM symbols, the proposed algorithm can perform well.

UR - https://www.scopus.com/pages/publications/70349678807

UR - https://www.scopus.com/pages/publications/70349678807#tab=citedBy

U2 - 10.1109/VETECS.2009.5073690

DO - 10.1109/VETECS.2009.5073690

M3 - Conference contribution

AN - SCOPUS:70349678807

SN - 9781424425174

BT - VTC Spring 2009 - IEEE 69th Vehicular Technology Conference

T2 - VTC Spring 2009 - IEEE 69th Vehicular Technology Conference

Y2 - 26 April 2009 through 29 April 2009

ER -

Modified subspace-based channel estimation algorithm for OFDM systems

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