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In this paper, we propose a novel admission control and centralized channel time allocation algorithm for two-hop communications based on the IEEE 802.15.5 specifications. The first contribution is the introduction of a dynamic superframe size for efficient resource utilization. The second contribution adopts the use of a threshold concept and a flag metric, which jointly provide satisfaction and...
The IEEE 802.15.5 MAC enables high-rate mesh communications between devices in a wireless personal area network (WPAN). The channel time allocation (CTA) scheduler plays an important role in sizing CTAs within each superframe. In this paper, we propose an efficient admission control and centralized CTA mechanism for a hop-2 mesh communication in the IEEE 802.15.5. The proposed algorithm is executed...
In this paper, a novel two-tier mechanism for the access control and resource allocation of a two-hop high data rate IEEE 802.15.5 network is proposed. One of the main contributions in this proposal is the use of a dynamic superframe size in the IEEE 802.15.5. Additionally, the ideas of using a superframe utilization threshold and a channel time allocation period (CTAP) utilization threshold are incorporated,...
In this paper, we propose an efficient Channel Time Allocation (CTA) method for multi-hop communications in IEEE 802.15.3 high-rate WPAN mesh networks. The proposed CTA allocation method allows sufficient CTA allocations for devices and child PicoNet Coordinators (PNC) while considering the fairness between these devices. In this method, the child PNCs are granted larger CTA allocations than DEVs...
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