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MSE-OFDM——一种基于分组的OFDM宽带通信系统(英文)

本文对传统OFDM和多符号封装(MSE)-OFDM进行了系统比较.分析了频率偏移对系统性能的影响.比较在2种不同的假设下进行,即或者保持MSE-OFDM的符号长度(即子载波数)不收稿日期:2004-07-08作者简介:Y.WuFellow,IEEE,andX.WangMember,IEEEarewithCommunicationsResearchCentreCanada,CarlingAve.,Box1  (本文共8页) 阅读全文>>

《Journal of Electronics》2004年06期
Journal of Electronics

BLOCK CODING SCHEME FOR REDUCING PAPR IN OFDM SYSTEMS WITH LARGE NUMBER OF SUBCARRIERS

The major drawback in Orthogonal Frequency Division Multiplexing (OFDM) system is due to the high Peak-to-Average Power Ratio (PAPR), so the performance of the system is significantly degraded by the nonlinearity of a High Power Amplifier (HPA) in the transmitter. In order to mitigate dis...  (本文共8页) 阅读全文>>

《The Journal of China Universities of Posts and Telecommunications》2004年04期
The Journal of China Universities of Posts and Telecommunications

PAPR Reduction in OFDM Systems with Large Number of Sub-Carriers by Carrier Interferometry Approaches

High Peak-to-Average Power Ratio(PAPR)is one of the major drawbacks of Orthogonal Frequency DivisionMultiplexing(OFDM)systems.This paper presents the structures of the particular bit sequences leading to the maximumPAPR(PAPR_(max))in Carrier-Interferometry OFDM(CI/OFD...  (本文共5页) 阅读全文>>

《Optoelectronics Letters》2019年04期
Optoelectronics Letters

A new post-coding approach for PAPR reduction in DC-biased optical OFDM systems

The high peak-to-average power ratio(PAPR) is one of the main drawbacks in orthogonal frequency division multiplexing(OFDM) communication systems, which also exists in the optical OFDM(O-OFDM) systems. In this letter, a new approach based on the discrete Hartley transform(DHT) post-coding technique is proposed t...  (本文共4页) 阅读全文>>

《The Journal of China Universities of Posts and Telecommunications》2015年06期
The Journal of China Universities of Posts and Telecommunications

PAPR reduction for FBMC-OQAM systems using P-PTS scheme

Filter bank multi-carrier(FBMC) with offset quadrature amplitude modulation(OQAM) has been regarded as one of the candidates for next generation broadband wireless communication systems. Being a multi-carrier technique, FBMC suffers from the inherent drawback of high peak-to-average power ratio(PAPR). And it has been turned out that conventional PAPR reduction schemes for orthogonal frequency division multiplexing(OF...  (本文共8页) 阅读全文>>

《电子科学技术》2016年05期
电子科学技术

OFDM系统中降低PAPR方法研究

正交频分复用(OFDM)系统中,峰均比(PAPR)较高一直是制约系统性能的关键问题。本文分析了限幅法、选择性...  (本文共4页) 阅读全文>>