Estimation and compensation of clipping noise in OFDMA systems
| Data(s) |
2010
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|---|---|
| Resumo |
We propose an efficient and low-complexity scheme for estimating and compensating clipping noise in OFDMA systems. Conventional clipping noise estimation schemes, which need all demodulated data symbols, may become infeasible in OFDMA systems where a specific user may only know his own modulation scheme. The proposed scheme first uses equalized output to identify a limited number of candidate clips, and then exploits the information on known subcarriers to reconstruct clipped signal. Simulation results show that the proposed scheme can significantly improve the system performance. |
| Formato |
application/pdf |
| Identificador | |
| Publicador |
Institute of Electrical and Electronics Engineers |
| Relação |
http://eprints.qut.edu.au/29143/1/c29143.pdf DOI:10.1109/TWC.2010.02.090128 Chen, Ying, Zhang, Jian (Andrew), & Jayalath, Dhammika (2010) Estimation and compensation of clipping noise in OFDMA systems. IEEE Transactions on Wireless Communications, 9(2), pp. 523-527. |
| Direitos |
Copyright 2010 IEEE Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. |
| Fonte |
Faculty of Built Environment and Engineering; School of Engineering Systems |
| Palavras-Chave | #090609 Signal Processing #100510 Wireless Communications #OFDMA #Clipping Noise #Compensation |
| Tipo |
Journal Article |
