An OFDM Impulse Canceller with Impulse Detection
Generally, OFDM has immunity to the impulse noise. However, the performance of OFDM system will degrade seriously if the power of the impulse noise is above a certain threshold. In this paper, an impulse noise canceller based on the Reed-Solomon decoding with impulse detection will be proposed. As the uniform spaced pilots in frequency domain are employed as the syndromes, and the space between the pilots is coprime with the number of the subcarriers, such an assignment of the pilots will possess an innate interleaving property. The recursive extension is proposed to reconstruct the impulsive noise in frequency domain. And it can reduce the implementation complexity. The effectiveness of the algorithms is verified by simulations.
Jingwei Ren Pingyi Fan
Dept. of Electronics Engineering, Tsinghua University Beijing, 100084, China
国际会议
2006 International Conference on Communications,Circuits and Systems(第四届国际通信、电路与系统学术会议)
广西桂林
英文
1393-1397
2006-06-25（万方平台首次上网日期，不代表论文的发表时间）