Abstract
The high level of robustness and reliability required in industrial environments can be achieved using time-slotted channel hopping (TSCH) medium access control (MAC) specified in institute of electrical and electronics engineers (IEEE) 802.15.4. Using frequency channel hopping in the existing TSCH network, a parallel rendezvous technique is used to exchange packets containing channel information before network synchronization, thereby facilitating fast network synchronization. In this study, we propose a distributed radio listening (DRL)–TSCH technique that uses a two-way transmission strategy based on the parallel rendezvous technique to divide the listening channel by sharing the channel information between nodes before synchronization. The performance evaluation was conducted using the OpenWSN stack, and the actual experiment was carried out by utilizing the OpenMote-cc2538 module. The time taken for synchronization and the number of rendezvous packets transmitted were measured in linear and mesh topologies, and the amount of energy used was evaluated. The performance results demonstrate a maximum average reduction in synchronization time of 67% and a reduction in energy consumption of 58% when compared to the performance results of other techniques.
Highlights
In 2012, the institute of electrical and electronics engineers (IEEE) announced a new IEEE 802.15.4e standard [1] that extends existing IEEE802.15.4 [2] medium access control (MAC) functionality to address the needs of industrial applications and included it in IEEE 802.15.4 (2015) [3]
This study focuses on the network formation process of time-slotted channel hopping (TSCH)
The a TSCH network is very important in terms of energy consumption and immediate data transfer node attempting to connect to the network scans for available channels and attempts to detect the requirements
Summary
In 2012, the IEEE announced a new IEEE 802.15.4e standard [1] that extends existing IEEE. The a TSCH network is very important in terms of energy consumption and immediate data transfer node attempting to connect to the network scans for available channels and attempts to detect the requirements. The rendezvous chain is defined as a two-way transmission and response connection that knows the channel index, channel sequence, and node ID information of every other element in the chain before TSCH network synchronization. We propose the formation of a rendezvous chain that listens for the signal by dividing the total EB scan channel range into separate receiving channels Using this strategy, we increase the probability of receiving the EB of the entire rendezvous chain, facilitating the rapid network participation of the nodes that form the rendezvous chain. The actual materialization using the openmote-cc2538 took place to evaluate multiple techniques in terms of synchronization speed, traffic, and energy consumption
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