DocumentCode
1236028
Title
Efficient power allocation for coded OFDM systems
Author
Moon, Hichan ; Cox, Donald C.
Author_Institution
Vehicular Technol. Conference - Fall, Los Angeles, CA
Volume
57
Issue
4
fYear
2009
fDate
4/1/2009 12:00:00 AM
Firstpage
943
Lastpage
947
Abstract
In coded OFDM systems, the transmission power of each subchannel is the same. In this letter, a power optimization scheme is presented to minimize FER or BER of a coded OFDM system under constant transmission power constraint. The power optimization is shown to be a convex optimization problem.
Keywords
OFDM modulation; error statistics; optimisation; BER; bit error rate; coded OFDM systems; convex optimization problem; power allocation; power optimization scheme; transmission power constraint; Bit error rate; Channel coding; Constraint optimization; Discrete Fourier transforms; Interleaved codes; Modulation coding; Moon; OFDM modulation; Power system modeling; Transmitters; Frequency division multiplexing, power control, convex optimization, channel coding, modulation;
fLanguage
English
Journal_Title
Communications, IEEE Transactions on
Publisher
ieee
ISSN
0090-6778
Type
jour
DOI
10.1109/TCOMM.2009.04.060304
Filename
4814361
Link To Document