%0 Journal Article
%T Peak-to-Average Power Ratio Reduction in MC-CDMA Systems by Using Partial Transmit Sequence Schemes<br>利用部分传输序列减小MC—CDMA系统的峰均比
%A Wu Lin-jun
%A Zhu Shi-hua
%A Feng Xing-le
%A <br>武林俊
%A 朱世华
%A 冯兴乐
%J 电子与信息学报
%D 2005
%I 
%X The un-uniform adjacent subcarrier partition method is proposed in order to reduce the Peak-to-Average power Ratio (PAR) of the signal in MultiCarrier-CDMA(MC-CDMA) systems by using Partial Transmit Sequence (PTS) scheme. That is reducing the number of subcarriers of high and low frequencies within a data block, and enhancing the number of subcarriers of intermediate frequencies if considering all subcarriers frequency as an band of frequency. When the number of subcarriers of the intermediate frequency within a data block is double of the number of subcarriers of the high (or low) frequencies, the PAR reduces 0.2dB comparing with that of the uniform partition. The Ganetic Algorithm(GA) is proposed in order to reduce the iterative number when the space of rotate-matrix is very big. By 60 generation's evolution, the optimum value can be obtained. The results of simulation validate the proposed method.
%K MC-CDMA<br>峰均功率比(PAR)
%K 子载波分割
%K 遗传算法
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=5056636F460E7E90&yid=2DD7160C83D0ACED&vid=DB817633AA4F79B9&iid=E158A972A605785F&sid=4158386E7B9422C8&eid=3B2BF7AC5674E8E2&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=1&reference_num=8