NDLI: A PRSC selection scheme based on PN code for OFDM PAPR reduction

Content Provider	IEEE Xplore Digital Library
Author	Jeong Ju Choi Suck Chel Yang Shin, Y.
Copyright Year	2004
Description	Author affiliation: Sch. of Electron. Eng., Soongsil Univ., Seoul, South Korea (Jeong Ju Choi; Suck Chel Yang; Shin, Y.)
Abstract	For PAPR (peak-to-average power ratio) reduction in OFDM (orthogonal frequency division multiplexing) systems, we propose an effective PRSC (PAPR reduction sub-carrier) selection scheme using PN (pseudonoise) code. The conventional PRSC selection scheme using an ideal random sequence may achieve the optimal performance with the lowest PAPR; however, excessive overhead from the transmitter to the receiver is inevitable. The proposed scheme exploits a PN code based PRSC selection sequence which is generated by applying starting points determined by bit reversing and gradually-increasing offsets. Simulation results show that the proposed PRSC selection scheme achieves a performance which is quite good and is closely comparable to the case of the ideal random sequence, while requiring virtually no overhead.
Sponsorship	IEEE
Starting Page	222
Ending Page	225
File Size	1050482
Page Count	4
File Format	PDF
ISBN	0780386396
DOI	10.1109/ISPACS.2004.1439049
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-18
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Peak to average power ratio Transmitters Bandwidth OFDM modulation Quadrature amplitude modulation Random sequences Phase shift keying Noise reduction Wireless LAN Fading
Content Type	Text
Resource Type	Article

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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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