Analytical calculations of CCDF for some common PAPR reduction techniques in OFDM systems

被引：0
|
作者：
Ramavath, Srinivas [1 ]
Kshetrimayum, Rakhesh Singh [1 ]
机构：
[1] Indian Inst Technol IIT Guwahati, Dept Elect & Elect Engn, Gauhati 781039, Assam, India
来源：
PROCEEDINGS OF THE 2012 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, DEVICES AND INTELLIGENT SYSTEMS (CODLS) | 2012年
关键词：
CCDF; mu-law compander; OFDM; PAPR; SQRT;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
High PAPR is one of the major drawbacks of OFDM systems. It drives the transmitter's power amplifier into its nonlinear region, thus causing nonlinear distortions. Square rooting technique (SQRT) and mu-law companding technique are the simple techniques to reduce PAPR in OFDM systems. In this paper, we derive analytical CCDF for both the techniques. The comparisons of SQRT and mu-law companding techniques are carried out using theoretical and simulation results. It is verified that the mu-law companding technique is better than SQRT technique for PAPR reduction.
引用
收藏
页码：393 / 396
页数：4
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