PAPR Reduction Using Precoding and Companding Techniques for OFDM Systems

被引：0

作者：

Agarwal, Deergha ^{[1
]}

Sharan, Nishant ^{[1
]}

Raja, Ponmani M. ^{[2
]}

Agarwal, Ankur ^{[3
]}

机构：

[1] SRMSCET, Dept ECE, Bareilly, Uttar Pradesh, India

[2] Jyothi Engn Coll, Dept EIE, Trichur, India

[3] UttarakhandTech Univ, Dept EC, Dehra Dun, Uttar Pradesh, India

来源：

2015 INTERNATIONAL CONFERENCE ON ADVANCES IN COMPUTER ENGINEERING AND APPLICATIONS (ICACEA) | 2015年

关键词：

OFDM; PAPR; Precoding; Companding;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

For multipath propagation systems OFDM provides good choice but also suffers with high peak to average power ratio (PAPR) at the transmitter side. High PAPR values results in nonlinearites at transmission leading to complex designing. Therefore reduction of PAPR is necessary for lesser complexities, higher efficiency and greater stability. In this paper various PAPR reduction techniques have been developed. Different precoding matrices are used for PAPR reduction. Comparative analysis of mu-law companding and A-law companding techniques are also carried out to see the effect on PAPR values. Further studies are done by using various modulation techniques and varying no of subcarriers. Efficient reduction in PAPR values are obtained for applied techniques.

引用

页码：18 / 23

页数：6

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