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基于DCT和改进的TPWC降低CO-OFDM系统PAPR

PAPR reduction for CO-OFDM systems based on DCT and modified TPWC
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摘要 针对相干光正交频分复用(CO-OFDM)系统高峰均比(PAPR)的问题,提出一种基于离散余弦变换(DCT)和改进的分段线性压扩(TPWC)变换的方案。介绍了DCT变换和改进的TPWC变换的基本原理,并将两者结合应用到CO-OFDM系统中。 A joint technique is proposed based on the Discrete Cosine Transform (DCT) and modified Two- Piecewise Companding(TPWC) transform to reduce the high Peak-to-Average Power Ratio (PAPR) in Coherent Optical Orthogonal Frequency Division Multiplexing (CO-OFDM) systems. First, the working principle of DCT and modified TPWC was introduced. Then applied them to the CO-OFDM systems.
出处 《光通信技术》 北大核心 2016年第11期13-15,共3页 Optical Communication Technology
基金 国家高技术研究发展计划(批准号:2013AA014201)资助 天津市自然科学基金(批准号:13JCQNJC01800)资助
关键词 相干光正交频分复用 峰均比 离散余弦变换 改进的分段线性压扩变换 误码率 CO-OFDM, PAPR, DCT, modified TPWC transform, BER
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