DocumentCode
261547
Title
PAPR reduction in 16-QAM OFDM signals by using dynamic constellation shaping algorithm
Author
Bozovic, Rade
Author_Institution
Elektrotehnicki fakultet u Beogradu, Univ. u Beogradu, Belgrade, Serbia
fYear
2014
fDate
25-27 Nov. 2014
Firstpage
312
Lastpage
315
Abstract
In this paper performances of algorithm for improvement of PAPR parameter of 16-QAM OFDM signals were analyzed. By implementation of algorithm constellation diagram of OFDM signal is dynamically changing, and it does not require transmitting information about it to the receiver. Decision metric of algorithm is based on simple mathematical tool what improves efficiency. Computer simulations in MATLAB confirmed success in reduction of PAPR parameter.
Keywords
OFDM modulation; decision theory; quadrature amplitude modulation; radio receivers; MATLAB; PAPR parameter; PAPR reduction; QAM OFDM signals; algorithm constellation diagram; decision metric; dynamic constellation shaping algorithm; orthogonal frequency division multiplexing; peak-to-average power ratio; quadrature amplitude modulation; Bit error rate; MATLAB; Peak to average power ratio; Quadrature amplitude modulation; Radio frequency; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Telecommunications Forum Telfor (TELFOR), 2014 22nd
Conference_Location
Belgrade
Print_ISBN
978-1-4799-6190-0
Type
conf
DOI
10.1109/TELFOR.2014.7034413
Filename
7034413
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