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Conference Paper
An Adaptive Determination of Channel Information Feedback Period in OFDMA Systems
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- Authors
- Hye Ju Oh, Hyung Myung Kim
- Issue Date
- 2006-06
- Citation
- International Symposium on Consumer Electronics (ISCE) 2006, pp.239-243
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- OFDMA is considered as a promising solution for improving the performance of interactive wireless broadcasting systems. This work focuses on packet scheduling techniques with an adaptive channel information feedback period in OFDMA systems. In scheduling, it is important to know channel information by a fast, accurate and efficient way to improve the system performance. In this paper, we propose a packet scheduling technique with different information feedback periods according to the users' mobility. We formulate an algorithm by which each user determines feedback period to maximize the uplink throughput satisfying the required BER. ©2006 IEEE.
- KSP Keywords
- Broadcasting system, OFDMA systems, Packet scheduling, Scheduling technique, System performance, Users' mobility, information feedback, wireless broadcasting