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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...
The 3D MIMO code is a robust and efficient space-time coding scheme for the distributed MIMO broadcasting. However, it suffers from the high computational complexity if the optimal maximum-likelihood (ML) decoding is used. In this paper we first investigate the unique properties of the 3D MIMO code and consequently propose a simplified decoding algorithm without sacrificing the ML optimality. Analysis...
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