A velocity-adaptive channel estimation scheme using the simple zero-forcing technique in the frequency domain

Author

Yu, Takki ; Park, Goohyun ; Hong, Daesik ; Kang, Changeon

Author_Institution

Inf. & Telecommun. Lab, Yonsei Univ., Seoul, South Korea

Volume

1

fYear

2005

fDate

30 May-1 June 2005

Firstpage

557

Abstract

We propose a velocity-adaptive channel estimation scheme using a simple zero-forcing technique in the frequency domain. The proposed scheme is derived by approximating the frequency response of the Wiener filter as a rectangular shape. Channel estimation is performed by removing frequency components that are higher than the maximum Doppler frequency in the received signal. Simulation results show that the proposed scheme outperforms conventional schemes for a wide range of mobile velocities (3-300 km/h).

Keywords

Doppler effect; Wiener filters; adaptive estimation; channel estimation; frequency response; frequency-domain analysis; mobile radio; velocity; 3 to 300 km/h; Wiener filter frequency response; frequency domain; maximum Doppler frequency; mobile velocity7; velocity-adaptive channel estimation; zero-forcing technique; AWGN; Channel estimation; Fading; Finite impulse response filter; Frequency domain analysis; Frequency estimation; Frequency response; IIR filters; Information technology; Wiener filter; channel estimation; doppler spread; fading channels; velocity estimation;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st

ISSN

1550-2252

Print_ISBN

0-7803-8887-9

Type

conf

DOI

10.1109/VETECS.2005.1543353

Filename

1543353