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Hardware/software codesign of TDMA MAC applied to IEEE 802.16 subscriber station
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- Authors
- Nak Woon Sung, Nam Hun Park
- Issue Date
- 2005-09
- Citation
- International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2005, pp.2670-2674
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- The important consideration in designing high-speed TDMA MAC applied to IEEE 802.16 subscriber station is the design approach for meeting the timing constraints for the uplink transmission, whereas for the non time-critical downlink, constraints such as implementation complexity and memory consumption have to be considered. One way to satisfy these requests is to using hardware/software codesign scheme. In this paper, we analyze timing constraints and processing time of major functional components on SS side and determine which parts should be implemented in hardware to support high speed TDMA MAC operations. Also we present how to implement the hardware/software codesigned TDMA MAC of SS based on the embedded system and show how we validate and implement it. And we show which specific components can be developed in DSP instead of FPCA.
- KSP Keywords
- Embedded system, Functional components, Hardware/software codesign, High Speed, IEEE 802.16, Implementation complexity, Subscriber station, TDMA MAC, Time-critical, design approach, memory consumption