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Journal Articles IEEE Internet of Things Journal Year : 2019

Whitelisting Without Collisions for Centralized Scheduling in Wireless Industrial Networks

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Abstract

Industrial applications require more and more low-power operation and high-reliability (close to 100%). Since traditional low-power radio technologies are sensitive to external interference, many recent standards implement frequency hopping schemes. For instance, IEEE 802.15.4-2015 Time Slotted Channel Hopping (TSCH) relies on a deterministic schedule of data transmissions combined with a pseudo-random frequency hopping scheme to improve the reliability. Unfortunately, specific radio channels keep on increasing the average number of retransmissions. Using a subset of the best radio channels (whitelisting) helps to improve the reliability, but may create collisions when used improperly. We here investigate the most accurate techniques to use only the best radio channels while still providing deterministic performance. We propose to group the links per timeslot, allocating them either to the same whitelist or even appropriately reordering them to avoid collisions. Finally, we evaluate the performance of the different whitelisting schemes using an experimental dataset from FIT IoT-LAB platform, proving the relevance of such approach to improve the reliability.
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Dates and versions

hal-02323131 , version 1 (07-05-2020)

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Vasileios Kotsiou, Georgios Papadopoulos, Periklis Chatzimisios, Fabrice Theoleyre. Whitelisting Without Collisions for Centralized Scheduling in Wireless Industrial Networks. IEEE Internet of Things Journal, 2019, 6 (3), pp.5713-5721. ⟨10.1109/JIOT.2019.2905217⟩. ⟨hal-02323131⟩
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