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Sensors and Materials, Volume 31, Number 5(1) (2019)
Copyright(C) MYU K.K.
pp. 1419-1427
S&M1868 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2019.2262
Published: May 16, 2019

Slotframe Partitioning-based Cell Scheduling for IEEE 802.15.4 Time Slotted Channel Hopping [PDF]

Jung-Hyok Kwon, Eui-Jik Kim, and Dongwan Kim

(Received April 30, 2018; Accepted March 13, 2019)

Keywords: cell scheduling, IEEE 802.15.4 time slotted channel hopping (TSCH), industrial Internet of Things (IIoT), slotframe partitioning, 6top protocol

This paper presents a slotframe partitioning-based cell scheduling (SPCS) for IEEE 802.15.4 time slotted channel hopping (TSCH). SPCS divides a slotframe into multiple partitions of different lengths and sequentially allocates cells depending on the depth of sensor nodes. The operation of SPCS consists of slotframe partitioning and cell allocation. In the former, the root determines the number and length of partitions, taking into account the depth of sensor nodes and the number of slotOffsets required for each partition. In the latter, a pair of neighboring sensor nodes adds the cells included in a specific partition of the slotframe using a 6P transaction. SPCS minimizes end-to-end delay by sequentially allocating cells according to the depth of sensor nodes. To evaluate the performance of SPCS, an experimental simulation is conducted. The results show that SPCS has an end-to-end delay lower than that of the existing 6P.

Corresponding author: Eui-Jik Kim, Dongwan Kim


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Cite this article
Jung-Hyok Kwon, Eui-Jik Kim, and Dongwan Kim, Slotframe Partitioning-based Cell Scheduling for IEEE 802.15.4 Time Slotted Channel Hopping, Sens. Mater., Vol. 31, No. 5, 2019, p. 1419-1427.



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