An Enhanced Analytical Model and Performance Evaluation of the IEEE 802.15.4e TSCH CA

Ouanteur, Celia; Bouallouche-Medjkoune, Louiza; Aı̈ssani, Djamil

doi:10.1007/s11277-017-4241-0

Cited by 14 publications

(4 citation statements)

References 32 publications

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“…They consider both bursty traffic and the usage of shared cell under the non saturated condition. In [29], the authors develop a twodimensional Markov chain model for IEEE 802.15.4e TSCH CSMA/CA mechanism. They take into account the deterministic behavior of this mechanism in a shared link.…”

Section: A Tsch Scheduling Algorithmmentioning

confidence: 99%

DualBlock: Adaptive Intra-Slot CSMA/CA for TSCH

Park

Kim

et al. 2022

IEEE Access

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IEEE 802.15.4 Time-Slotted Channel Hopping (TSCH) has drawn significant attention as a low-power network solution for the Internet of Things (IoT). To make the TSCH scalable and robust, slot scheduling is an important issue that needs to be addressed. The research community has made significant strides with various autonomous or decentralized technologies in recent years. While these techniques try to provide non-overlapped slots for each link, they take collision for granted when multiple links utilize the same slot. In this paper, we challenge the perspective, investigate what happens within a TSCH slot, and find room for performance improvement even when multiple links unfortunately share a slot. To this end, we propose DualBlock that provides another chance for collision avoidance when multiple links try to utilize a slot at the same time by enabling clear channel assessment (CCA) and random backoff within the congested slot. In addition, given that the intra-slot backoff consumes more energy, a control mechanism is added that adjusts maximum backoff by monitoring network congestion level. DualBlock operates in a distributed manner for scalability. Extensive experiments demonstrate that TSCH networks achieve significant performance improvement in many aspects when DualBlock is combined with a scheduler (i.e., Orchestra), up to 3.6 times higher packet delivery ratio and 75% less radio duty cycle.INDEX TERMS IEEE 802.15.4, time slotted channel hopping (TSCH), collision mitigation

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Section: A Tsch Scheduling Algorithmmentioning

confidence: 99%

DualBlock: Adaptive Intra-Slot CSMA/CA for TSCH

Park

Kim

et al. 2022

IEEE Access

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“…In particular, some theoretical analyses about how a Wi-Fi interfering traffic may affect legacy IEEE 802.15.4 networks (i.e., not based on TSCH or DSME) were reported in [39], [40]. Instead, a model based on Markov chains that describes the traffic on shared cells was proposed in [20], [41]. Finally, some preliminary models describing communication over dedicated cells in TSCH were sketched in [19] and then refined in [42], but without taking into account energy consumption and multihop networks.…”

Section: Tschmentioning

confidence: 99%

Wireless Sensor Networks and TSCH: A Compromise Between Reliability, Power Consumption, and Latency

et al. 2020

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Reliability, power consumption, and latency are the three main performance indicators of wireless sensor networks. Time slotted channel hopping (TSCH) is a promising technique introduced in the IEEE 802.15.4 standard that performs some steps ahead in the direction of the final dream to meet all the previous requirements at the same time. In this paper, a simple and effective mathematical model is presented for TSCH that, starting from measurements performed on a real testbed, permits to characterize both the network and the surrounding environment. To better characterize power consumption, an experimental measurement campaign was purposely performed on OpenMote B devices. The model, which was checked against a real 6TiSCH implementation, can be employed to predict network behaviour when configuration parameters are varied, in such a way to satisfy different application contexts. Results show that, when one of the three above indices is privileged, unavoidably there is a worsening of the others.

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“…According to the standard, the TSCH CSMA/CA algorithm differs from the original CSMA/CA algorithm of IEEE 802.15.4 in a number of ways [13]. Despite this, [4], [6] follow an approach similar to [12], and use Markov chains to model the back-off behavior of a single node using TSCH CSMA/CA algorithm assuming ideal channels. The model presented in [5] provides a first performance model of a TSCH network, which considers entire network including all transmitting nodes.…”

Section: Related Workmentioning

confidence: 99%

A Scalable and Fast Model for Performance Analysis of IEEE 802.15.4 TSCH Networks

Hajizadeh

Nabi

Tavakoli

et al. 2019

2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)

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An Enhanced Analytical Model and Performance Evaluation of the IEEE 802.15.4e TSCH CA

Cited by 14 publications

References 32 publications

DualBlock: Adaptive Intra-Slot CSMA/CA for TSCH

DualBlock: Adaptive Intra-Slot CSMA/CA for TSCH

Wireless Sensor Networks and TSCH: A Compromise Between Reliability, Power Consumption, and Latency

A Scalable and Fast Model for Performance Analysis of IEEE 802.15.4 TSCH Networks

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