INTERCONNECTING 802.15.4 CLUSTERS IN MASTER-SLAVE MODE USING GUARANTEED TIME SLOTS AND ACKNOWLEDGED TRANSFERS: QUEUEING THEORETIC ANALYSIS
Jelena Mišić, Vojislav B. Mišić, Carol Fung · Journal of Interconnection Networks · 2006
Individual IEEE 802.15.4 clusters with separate coordinators can be interconnected to form larger sensor networks. In this paper, we investigate the performance of two 802.15.4 beacon enabled clusters interconnected in a master-slave manner. In this setup, the cluster coordinator of the source cluster periodically visits the sink cluster as an ordinary node, thus performing the bridging function. The bridge delivers its data to the sink coordinator using the dedicated slots allocated by the sink coordinator. We investigate the performance of the cluster, in particular the impact of the number of packet lanes allocated to the bridge.