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Hybrid Link Adaptation for ICI Adjustment in OFDMA Cellular Uplink Systems

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Authors
Lee, Jin-Woo; Lee, Yong-Hwan
Issue Date
2007-01
Publisher
Institute of Electrical and Electronics Engineers
Citation
CCNC 2007. 2007 4th IEEE Consumer Communications and Networking Conference, 2007
Keywords
Hybrid Link AdaptationICIOFDMACIR
Abstract
In orthogonal frequency division multiple access
(OFDMA)-based uplink systems, it may not be feasible
to exploit the rate adaptation due to severe intercarrier
interference (ICI). In this paper, we propose a
novel hybrid link adaptation scheme that employs
power adaptation for ICI adjustment and rate
adaptation for capacity improvement in OFDMAbased
uplink systems. The proposed scheme determines
the maximum allowable transmit power in response to
the channel gain and mobility of the user,
guaranteeing the carrier to interference power ratio
(CIR) loss of all users.
Language
English
URI
http://www.ieee-ccnc.org/2007/

http://hdl.handle.net/10371/7113
DOI
https://doi.org/10.1109/CCNC.2007.96
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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