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A Time-Domain PTS without Side Information in SC-FDMA Systems

机译:SC-FDMA系统中没有辅助信息的时域PTS

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摘要

Partial transmit sequence (PTS) scheme is one of the distortionless PAPR reduction scheme in multicarrier systems. The conventional PTS scheme exploits the frequency-domain phase rotation to generate low PAPR candidate signal, however it suffers from both high complexity and side information (SI). This paper proposes a time-domain PTS scheme without SI for single carrier frequency division multiple access (SC-FDMA) system, where the phase rotation is recovered during channel estimation aided by pilots. Simulation results show that the proposed scheme provides similar PAPR and channel estimation performance compared with the conventional scheme, but without SI.
机译:部分发射序列(PTS)方案是多载波系统中无失真PAPR降低方案之一。常规的PTS方案利用频域相位旋转来产生低PAPR候选信号,但是它同时具有高复杂度和辅助信息(SI)的缺点。针对单载波频分多址(SC-FDMA)系统,本文提出了一种不带SI的时域PTS方案,该方案在导频辅助的信道估计过程中恢复了相位旋转。仿真结果表明,与传统方案相比,该方案具有相似的PAPR和信道估计性能,但没有SI。

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