Two dimension channel estimations with reduced pilot arrangements for OFDM systems

Authors:
Sangjun Bae;Yoonho Jang;Sunkyung Shin;Zhao Chengshi;Kyungsup Kwak
Affiliations:
Department of Information and Communication Engineering, Inha University, Incheon, Korea;Department of Information and Communication Engineering, Inha University, Incheon, Korea;Electronics and Telecommunications Research Institute Mobile Telecommunication Research Division Next Generation, Daejeon, Korea;Department of Information and Communication Engineering, Inha University, Incheon, Korea;Department of Information and Communication Engineering, Inha University, Incheon, Korea
Venue:
ICACT'09 Proceedings of the 11th international conference on Advanced Communication Technology - Volume 1
Year:
2009

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Abstract

channel estimation is a crucially important part of the OFDM technology to maintain the performance. One of channel estimation technique is 2-D channel estimation which using time and frequency domain together. Conventional channel estimation has improved performance but has a weakness of too much pilot usage. Therefore, in this paper suggest that the 2-D channel estimation which has reduced number of pilot using WSSUS channel characteristic.