DocumentCode
3312503
Title
A channel estimation method based on pilot and EM algorithm for OFDM systems
Author
Yun, Chen ; Xiaoyang, Zeng ; Zhi, Liu ; Bo, Shen
fYear
2006
fDate
7-11 Jan. 2006
Firstpage
335
Lastpage
336
Abstract
A channel estimation method based on pilot and EM algorithm is proposed. The channels are estimated using the EM (expectation-maximization) algorithm, while making use of pilot tones to obtain the initial estimate for iterative steps. Simulation results show that the bit error rate (BER) can be significantly reduced compared with conventional algorithm and iterative times are less than the common EM algorithm. A VLSI architecture for the algorithm is proposed
Keywords
VLSI; channel estimation; error statistics; expectation-maximisation algorithm; BER; OFDM systems; VLSI architecture; bit error rate; channel estimation method; expectation-maximization algorithm; AWGN; Bit error rate; Channel estimation; Convergence; Finite impulse response filter; Frequency synchronization; Iterative algorithms; OFDM; Time frequency analysis; Very large scale integration;
fLanguage
English
Publisher
ieee
Conference_Titel
Consumer Electronics, 2006. ICCE '06. 2006 Digest of Technical Papers. International Conference on
Conference_Location
Las Vegas, NV
Print_ISBN
0-7803-9459-3
Type
conf
DOI
10.1109/ICCE.2006.1598447
Filename
1598447
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