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AMC with predicted CQI in packet-based wireless systems

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Authors
Kim, Myoung-Seob; Lee, Yong-Hwan
Issue Date
2006-06
Publisher
Institute of Electronics Engineers of Korea = 대한전자공학회
Citation
대한전자공학회 하계종합학술대회, 2006년 6월
Keywords
predicted CQIadaptive modulation and coding
Abstract
In a packet based wireless system, an adaptive modulation and coding (AMC) scheme is often employed with the use of channel quality information (CQI). However, the AMC can be operated improperly due to delayed CQI, causing performance degradation. In this paper, we consider the use of predicted CQI for the AMC considering the feedback delay and channel characteristics. We also consider the use of a hybrid automatic repeat request scheme with the proposed AMC for further improvement in high mobility environments.
Language
English
URI
http://hdl.handle.net/10371/7075
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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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