科研之友
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摘要
A novel Nyquist filter was proposed to reduce the peak-to-average power ratio (PAPR) in the interleaved single carrier orthogonal frequency division multiple access (SC-IFDMA) system based on pulse shaping. The proposed filter has a piece-wise rectangular frequency characteristic composed of six nonzero linear segments with variable-length projections onto the frequency axis, which are used as a set of independent design parameters from roll-off factor a. Simulation results show that the novel filter has a better PAPR reduction performance and lower symbol error rate compared to some recently proposed filters, and it has lower computational complexity.
- 出版日期2015-3
- 单位华中科技大学
