NDLI: PAPR Reduction Using Constant Modulus Algorithm and IDCT in MIMO-OFDM Networks

Content Provider	IEEE Xplore Digital Library
Author	Sujatha, S. Dananjayan, P.
Copyright Year	2014
Description	Author affiliation: Dept. of ECE, Pondicherry Eng. Coll., Pondicherry, India (Sujatha, S.; Dananjayan, P.)
Abstract	In MIMO-OFDM networks, the main drawback includes the large peak-to-average power ratio (PAPR) of the transmitter's output signal on different antennas. In order to overcome this issue, PAPR is reduced using IDCT in this paper. In this technique, Inverse Discrete Cosine Transform (IDCT) along with constant modulus algorithm is used to reduce the PAPR in MIMO-OFDM networks. It involves two methods, first the time domain signal from the Resource Block is combined linearly using pre-coding weights which is transparent to the receiver side. Then the precoding weights are modified to decrease the modulus variations of the resulting signal, which leads to the reduction of PAPR in MIMO OFDM. By simulation results, it is observed that the proposed technique reduces PAPR.
Starting Page	238
Ending Page	241
File Size	264171
Page Count	4
File Format	PDF
e-ISBN	9781479970025
DOI	10.1109/Eco-friendly.2014.55
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-12-18
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Constant Modulus Algorithm Transmitting antennas PAPR Peak to average power ratio Receivers MIMO-OFDM Data models Discrete cosine transforms Time-domain analysis IDCT
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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