NDLI: Improved Frequency Domain SNR Estimator Using DCT in Mobile Fading Channels

Content Provider	IEEE Xplore Digital Library
Author	Sungtae Kim Goohyun Park Takki Yu Hyunkyu Yu Jaegu Lee Daesik Hong
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul (Sungtae Kim)
Abstract	Signal-to-noise ratio (SNR) measurement is required in many channel-adaptive techniques and radio resource management methods for mobile radio communication systems. In this paper, the factors that degrade the MSE performance of the conventional frequency domain SNR estimator in high SNR region are analyzed. Based on this analysis, we propose two improved frequency domain SNR estimators which employ windowing and discrete cosine transform (DCT) to suppress the leakage of the received fading signal's frequency spectrum. The simulation results show that the proposed methods remarkably improve the MSE performance for high SNR region (ges15 dB) in mobile fading channels
Starting Page	1898
Ending Page	1902
File Size	4696253
Page Count	5
File Format	PDF
ISBN	0780393910
ISSN	15502252
DOI	10.1109/VETECS.2006.1683177
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-05-07
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency domain analysis Frequency estimation Discrete cosine transforms Fading Signal to noise ratio Resource management Land mobile radio Degradation Performance analysis Signal analysis
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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