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1 EVA - Wireless Networking for Evolving & Adaptive Applications Inria Paris-Rocquencourt

Abstract : —The new IEEE 802.15.4e standard does not specify how the schedule of medium accesses followed by wireless sensors is built. That is why, we propose a distributed interference-aware joint channel and time slot assignment, called DiSCA, for a traffic-aware convergecast in multichannel wireless sensor networks WSNs. Unlike most previous studies, we consider two cases of transmissions: without acknowledgment and with immediate acknowledgment. We provide the minimum bound on the number of time slots needed for a convergecast with a sink equipped with multiple radio interfaces. Simulations results show that DiSCA is close to the optimal in terms of the number of slots and outperforms TMCP.





Autor: Ridha Soua - Pascale Minet - Erwan Livolant -

Fuente: https://hal.archives-ouvertes.fr/



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