Mobility

Ring Optimal Assignment of Slot Reservations for Cyclic TDMA Protocols

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Executive Summary

The authors present an algorithm to assign time slots to nodes in a TDMA network that minimizes the jitter in time slot assignments. By reducing the jitter in time slots around the TDMA frame, they can provide more consistent network access and reduce the overall delay seen by an application with time-varying traffic patterns, such as normal web traffic. Their algorithm can reduce the average delay seen by all nodes in a network by up to 51%, based on their numerical analysis. The algorithm is designed for TDMA MAC layers where a node has the potential to reserve some number of time slots out of a larger selection of available slots, and one wishes to choose the slots that most evenly distribute them around the TDMA ring.

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