OFDM Channel Estimation with Jammed Pilot Excision Method under Narrow-Band Jamming 


Vol. 32,  No. 2, pp. 166-173, Feb.  2007


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  Abstract

In Orthogonal Frequency Division Multiplexing (OFDM) systems, Narrow-Band Jamming (NBJ) over pilot tones used for channel estimation degrades the system performance. In this paper, we propose a new jammed pilot detection and elimination algorithm to overcome this problem. Moreover, the average Mean-Squared Error (MSE) on one OFDM symbol both under jammed and removed pilot subcarrier is analyzed. And then, the Symbol Error Rate (SER) performance of the channel estimation scheme using the proposed algorithm is evaluated by simulation. We can confirm that the channel estimator with the proposed algorithm improves the channel estimation performance at a high jamming power.

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  Cite this article

[IEEE Style]

M. Han, T. Yu, J. Kim, K. Kwak, S. Han, D. Hong, "OFDM Channel Estimation with Jammed Pilot Excision Method under Narrow-Band Jamming," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 2, pp. 166-173, 2007. DOI: .

[ACM Style]

Myeongsu Han, Takki Yu, Jihyung Kim, Kyungchul Kwak, Seungyoup Han, and Daesik Hong. 2007. OFDM Channel Estimation with Jammed Pilot Excision Method under Narrow-Band Jamming. The Journal of Korean Institute of Communications and Information Sciences, 32, 2, (2007), 166-173. DOI: .

[KICS Style]

Myeongsu Han, Takki Yu, Jihyung Kim, Kyungchul Kwak, Seungyoup Han, Daesik Hong, "OFDM Channel Estimation with Jammed Pilot Excision Method under Narrow-Band Jamming," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 2, pp. 166-173, 2. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880