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Opportunistic Scheduling with Partial Channel Information in OFDMA/FDD Systems

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Authors
Han, Zhong-Hai; Lee, Yong-Hwan
Issue Date
2004-09-01
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Vehicular Technology Conference 2004 Fall, 511-514
Keywords
OFDMOpportunistic SchedulingPartial Channel information
Abstract
Opportunistic scheduling (OS) is one of key techniques
to increase the spectral efficiency in wireless packet-based
systems by providing a multi-user diversity gain. However, when
the OS is employed in orthogonal frequency division multiple
access/frequency division duplex (OFDMA/FDD) systems, it may
have implementation problems due to the need of a large amount
of feedback information on the channel state information (CSI).
To alleviate this implementation problem, we propose OS
schemes that use partial CSI. The performance of the proposed
OS schemes is verified by computer simulation. Simulation
results show that the use of partial CSI can remarkably reduce
the feedback signaling burden without significant performance
degradation compared to the use of full CSI, making it quite
practical to real applications.
ISSN
1090-3038
Language
English
URI
http://www.ieeevtc.org/vtc2004fall

https://hdl.handle.net/10371/6144
DOI
https://doi.org/10.1109/VETECF.2004.1400059
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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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