Performance Evaluation of Channel Shortening Time Domain Equalizer in Wireless LAN Environment 


Vol. 31,  No. 3, pp. 240-248, Mar.  2006


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  Abstract

In this paper, we consider an OFDM receiver algorithm design for IEEE 802.11a/p system, which targeting large coverage area while keeping the transmission format unchanged. Particularly, taking into account the inter-symbol interference(ISI) and inter-carrier interference(ICI) that can be induced with large RMS delay spread, we employ channel shortening time-domain equalizer(TEQ) and evaluate the receiver performance in terms of SINR and packet error rate(PER). The preamble defined in IEEE802.11a/p is used to estimated the initial equalizer tap coefficients. Primary purpose of the paper is to give an answer to the question, though partially, whether or not 16-QAM constellation can be used in none line of sight environment at the boundary of a large coverage area. To this end, we first analyze the required TEQ parameters for the target channel environment and then perform simulation for PER performance evaluation in a generic frequency selective fading channel with exponential power-delay profile.

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  Cite this article

[IEEE Style]

S. Yoon, H. Yu, I. Lee, T. Jeon, S. Lee, "Performance Evaluation of Channel Shortening Time Domain Equalizer in Wireless LAN Environment," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 3, pp. 240-248, 2006. DOI: .

[ACM Style]

Seokhyun Yoon, Heejung Yu, Il-Gu Lee, Taehyun Jeon, and Sok-kyu Lee. 2006. Performance Evaluation of Channel Shortening Time Domain Equalizer in Wireless LAN Environment. The Journal of Korean Institute of Communications and Information Sciences, 31, 3, (2006), 240-248. DOI: .

[KICS Style]

Seokhyun Yoon, Heejung Yu, Il-Gu Lee, Taehyun Jeon, Sok-kyu Lee, "Performance Evaluation of Channel Shortening Time Domain Equalizer in Wireless LAN Environment," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 3, pp. 240-248, 3. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880