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AMC with predicted CQI in packet-based wireless systems
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- Authors
- Issue Date
- 2006-06
- Citation
- 대한전자공학회 하계종합학술대회, 2006년 6월
- Keywords
- predicted CQI ; adaptive 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
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