WFCTA (weighted fair channel time allocation) and its analysis for HR-WPAN

Authors:
WoongChul Choi;KwangSue Chung;Seung Hyong Rhee;Jin-Woong Cho
Affiliations:
Department of Computer Science;Department of Electronics Engineering, KwangWoon University, Seoul, Korea;Department of Electronics Engineering, KwangWoon University, Seoul, Korea;Korea Electronics Technology Institute
Venue:
ISSADS'05 Proceedings of the 5th international conference on Advanced Distributed Systems
Year:
2005

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Abstract

The IEEE 802.15.3 standard does not specify how to schedule CTA (Channel Time Allocation)s in CTAP (Channel Time Allocation Period) of a superframe. In this paper, we propose a novel scheduling algorithm for channel time allocation of 802.15.3-based HR-WPAN (High Rate Wireless Personal Area Networks), named WFCTA (Weighted Fair Channel Time Allocation). The proposed WFCTA inherently has properties which are necessary for various QoS provisioning, because it is based on TDMA, applied by WFQ algorithm. We explain and compare four implementation cases of WFCTA. We also analyze its worst-case performance in terms of both link utilization and fairness and verify it by simulation.