Data capacity of TDMA/FDMA systems with adaptive modulation

We develop an analytical model to analyze the data capacity of a TDMA/FDMA system with adaptive modulation. Our model defines data capacity as the maximum average data throughput per channel, and includes packet retransmissions due to user movement and channel estimation error. We study a TDMA/FDMA...

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Bibliographic Details
Main Authors: Fry, T.A., Lee, C.C., Honig, M.
Format: Conference Proceeding
Language:English
Subjects:
Adaptive systems
Analytical models
Base stations
Communication system traffic control
Data communication
Feedback
Frequency division multiaccess
Performance analysis
Time division multiple access
Wireless networks
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Description
Summary:We develop an analytical model to analyze the data capacity of a TDMA/FDMA system with adaptive modulation. Our model defines data capacity as the maximum average data throughput per channel, and includes packet retransmissions due to user movement and channel estimation error. We study a TDMA/FDMA system with a simple channel model to evaluate the performance bound on data capacity, and then incorporate retransmissions to determine how they affect data capacity. Our model provides a baseline for the study and analysis of the performance of adaptive modulation TDMA/FDMA systems.
ISSN:1090-3038
2577-2465
DOI:10.1109/VETEC.1998.683719