Constant Modulus Algorithm for PAPR Reduction using PTS and Clipping Hybrid Scheme in MIMO OFDM/A

被引：2

作者：

Verma, Rashmi ^{[1
]}

Tharani, Lokesh ^{[1
]}

机构：

[1] Rajasthan Tech Univ, Kota, Rajasthan, India

来源：

2016 INTERNATIONAL CONFERENCE ON MICRO-ELECTRONICS AND TELECOMMUNICATION ENGINEERING (ICMETE) | 2016年

关键词：

OFDM; MIMO; PAPR; PTS; CP; CCDF;

D O I：

10.1109/ICMETE.2016.87

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Orthogonal frequency division multiplexing (OFDM) may be combined with antenna arrays at the transmitter and receiver side to increase the diversity gain and system competence on time variant along with the frequency selective channels, which results in a multiple-input multiple-output composition. The major drawback in case of MIMO-OFDM is its high value of Peak to Average Power Ratio (PAPR) which causes to frequency spread spectrum along with the in-band distortion. This is due to the presence of nonlinearity in the high power amplifiers. In this paper, a hybrid technique of PTS and CP is proposed for PAPR reduction. Using the QAM modulated MIMO-OFDM systems and 2x2 number of antennas, it has been observed that the proposed technique has better performance for PAPR reduction.

引用

页码：337 / 342

页数：6

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