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Time-Optimum Packet Scheduling for Many-to-One Routing in Wireless Sensor Networks

• Tags:
• distributed,
• algorithm,
• scheduling,
• heterogeneous

Overview This paper studies the WSN application scenario with periodical traffic from all sensors to a sink. This paper presents a time-optimum and energy-efficient packet scheduling algorithm and its distributed implementation. With a few adjustments, it then shows that the algorithm also achieves time-optimum scheduling in heterogeneous scenarios, where each sensor reports a heterogeneous amount of data in each round. Then it gives a distributed implementation to let each node calculate its duty-cycle locally and maximize efficiency globally.

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