NDLI: Turbo ESAE channel estimation on OFDM systems

Content Provider	IEEE Xplore Digital Library
Author	Zhang Yubing Kuang Jingming Liu Jiakang
Copyright Year	2004
Description	Author affiliation: Sch. of Inf. Eng., Beijing Inst. of Technol., China (Zhang Yubing; Kuang Jingming; Liu Jiakang)
Abstract	The PSAM (pilot-symbol assisted modulation) technique is the common channel estimation method for OFDM systems by using the time and frequency correlation of the channel. ESAE (extended symbol aided estimation) method has more robust feature in fast fading channel. But ESAE has an unstable property in a high-speed environment. In this paper, we proposed the Turbo ESAE and adaptive turbo ESAE channel estimation algorithm that is based on conventional ESAE algorithm and utilize the soft output of the turbo decoder. Computer simulation results show that the proposed methods have lower algorithm complexity and shorter processing delay than iterative channel estimation algorithms and can decrease the effects of the error accumulation in time and frequency selective channel.
Starting Page	1653
Ending Page	1656
File Size	567218
Page Count	4
File Format	PDF
ISBN	0780384067
DOI	10.1109/ICOSP.2004.1441650
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-08-31
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel estimation Iterative algorithms Frequency estimation OFDM modulation Robustness Fading Iterative decoding Computer simulation Delay effects Delay estimation
Content Type	Text
Resource Type	Article

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