標題: A cross-layer error correction scheme based on multiple-CRC in OFDM/OFDMA wireless networks
作者: Chen, Chia-Yao
Jia, Wen-Kang
Chen, Yaw-Chung
資訊工程學系
Department of Computer Science
關鍵字: cyclic redundancy check;error correction;OFDM;OFDMA
公開日期: 2013
摘要: The orthogonal frequency division multiplexing access (OFDM/OFDMA) based wireless transmission technology has been widely deployed in recent years. The frame check sequence (FCS) scheme is employed to enhance the reliability of OFDM/OFDMA systems. Since the padding overhead cannot be effectively avoided in OFDM/OFDMA when medium access control frames are encapsulated, we propose a novel cyclic redundancy check based error correction scheme by utilizing the padding space to carry extra segmented FCS information as much as possible; compared with the legacy FCS scheme, our approach greatly enhance the error detection and correction upon the first retransmission (second transmission). A significant performance improvement based on the simulation results is also demonstrated.
URI: http://hdl.handle.net/11536/22631
http://dx.doi.org/10.1080/02533839.2012.737114
ISSN: 0253-3839
DOI: 10.1080/02533839.2012.737114
期刊: JOURNAL OF THE CHINESE INSTITUTE OF ENGINEERS
Volume: 36
Issue: 6
起始頁: 704
結束頁: 714
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