DocumentCode
787021
Title
Minimum BER power loading for OFDM in fading channel
Author
Goldfeld, Lev ; Lyandres, Vladimir ; Wulich, Dov
Author_Institution
Dept. of Electr. & Comput. Eng., Ben-Gurion Univ. of the Negev, Beer-Sheva, Israel
Volume
50
Issue
11
fYear
2002
fDate
11/1/2002 12:00:00 AM
Firstpage
1729
Lastpage
1733
Abstract
A novel approach to power loading for orthogonal frequency-division multiplexing (OFDM) systems is proposed. The corresponding algorithm minimizes the aggregate bit-error rate, but appears to be rather complicated. Consequently, a much simpler, quasi-optimal loading algorithm is developed. The performance of various power loading strategies known in the literature are compared with the proposed quasi-optimal algorithm in the Rayleigh frequency-selective fading channel.
Keywords
OFDM modulation; Rayleigh channels; error statistics; optimisation; OFDM systems; Rayleigh frequency-selective fading channel; bit error rate; data transmission; fading channel; minimum BER power loading; orthogonal frequency-division multiplexing; quasi-optimal loading algorithm; Aggregates; Bit error rate; Bit rate; Discrete Fourier transforms; Feedback; Frequency division multiplexing; Frequency-selective fading channels; OFDM modulation; Power control; Rayleigh channels;
fLanguage
English
Journal_Title
Communications, IEEE Transactions on
Publisher
ieee
ISSN
0090-6778
Type
jour
DOI
10.1109/TCOMM.2002.805271
Filename
1097882
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