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Frequency-time domain transmit power adaptation for OFDM systems in multiuser environment

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Authors
Jang, Jiho; Lee, Kwang Bok; Lee, Yong-Hwan
Issue Date
2002-12-05
Publisher
Institution of Engineering and Technology (IET)
Citation
Electronics Letters, 2002, 38, (25), pp.1754-1756
Abstract
The optimal transmit power adaptation method to maximise the channel capacity of an OFDM system in a multiuser environment is developed, and is found to be water-filling in the frequency-time domain over the best subcarriers among those of multiple users at each time. The results show that the frequency-time domain power adaptation yields greater capacity than the power adaptation in the frequency domain only.
ISSN
0013-5194
Language
English
URI
http://hdl.handle.net/10371/6133
DOI
https://doi.org/10.1049/el:20021123
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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