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Analysis of non-acknowledged, CSMA-CA, slave-slave bridging in 802.15.4 beacon enabled networks

In this paper, we present and analyze non- acknowledged CSMA-CA option for interconnection of IEEE 802.15.4 beacon enabled network clusters using ordinary network nodes as bridge nodes. Bridge design involves uplink transmission to the coordinator and downlink transmission to the bridge. Bridge periodically visits source and sink cluster and exchanges data using slotted CSMA-CA access. We develop the queuing model for bridging algorithm and present numerically obtained performance results.