Collision Evaluation in Low Power Wide Area Networks

Riyadh Abbas*, Ali Al-Sherbaz, Abdeldjalil Bennecer, Philip Picton

*Corresponding author for this work

Research output: Contribution to Book/Report typesConference contributionResearchpeer-review

Abstract

This paper presents a performance evaluation of intercell interference and packets collision in scalable Low Power Wide Area Networks (LPWANs). The collision problem is one of the most critical challenges in LPWANs because it can substantially affect network performance and reliability. The paper also offers a rigorous and flexible mathematical model for the ALOHA-based random access protocol with the support of multiple groups of devices and multiple message copies. The analysis is based on the worst-case scenario of message collision, which calculates the message lost ratio (MLR) by assuming that even a weak overlap between two packets in the time-frequency domain leads to the loss of both. Simulations of Weightless-N and Sigfox LPWAN technologies using a variable number of devices, message copies, payload, transmission time, and channels offer some fresh insights into the LPWANs performance. For example, increasing the number message copies reduces the MLR but only up to a certain number of connected devices. After which, the redundancy in packet transmission is no longer beneficial.
Original languageEnglish
Title of host publication19th IEEE International Conference on Scalable Computing and Communication
Pages1-8
Number of pages8
Publication statusAccepted/In press - 26 Apr 2019

Fingerprint

Wide area networks
Network performance
Redundancy
Mathematical models
Network protocols

Keywords

  • ALOHA
  • Collision
  • LPWAN
  • Sigfox
  • Weightless-N
  • IoT

Cite this

Abbas, R., Al-Sherbaz, A., Bennecer, A., & Picton, P. (Accepted/In press). Collision Evaluation in Low Power Wide Area Networks. In 19th IEEE International Conference on Scalable Computing and Communication (pp. 1-8)
Abbas, Riyadh ; Al-Sherbaz, Ali ; Bennecer, Abdeldjalil ; Picton, Philip. / Collision Evaluation in Low Power Wide Area Networks. 19th IEEE International Conference on Scalable Computing and Communication. 2019. pp. 1-8
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abstract = "This paper presents a performance evaluation of intercell interference and packets collision in scalable Low Power Wide Area Networks (LPWANs). The collision problem is one of the most critical challenges in LPWANs because it can substantially affect network performance and reliability. The paper also offers a rigorous and flexible mathematical model for the ALOHA-based random access protocol with the support of multiple groups of devices and multiple message copies. The analysis is based on the worst-case scenario of message collision, which calculates the message lost ratio (MLR) by assuming that even a weak overlap between two packets in the time-frequency domain leads to the loss of both. Simulations of Weightless-N and Sigfox LPWAN technologies using a variable number of devices, message copies, payload, transmission time, and channels offer some fresh insights into the LPWANs performance. For example, increasing the number message copies reduces the MLR but only up to a certain number of connected devices. After which, the redundancy in packet transmission is no longer beneficial.",
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Abbas, R, Al-Sherbaz, A, Bennecer, A & Picton, P 2019, Collision Evaluation in Low Power Wide Area Networks. in 19th IEEE International Conference on Scalable Computing and Communication. pp. 1-8.

Collision Evaluation in Low Power Wide Area Networks. / Abbas, Riyadh; Al-Sherbaz, Ali; Bennecer, Abdeldjalil; Picton, Philip.

19th IEEE International Conference on Scalable Computing and Communication. 2019. p. 1-8.

Research output: Contribution to Book/Report typesConference contributionResearchpeer-review

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AB - This paper presents a performance evaluation of intercell interference and packets collision in scalable Low Power Wide Area Networks (LPWANs). The collision problem is one of the most critical challenges in LPWANs because it can substantially affect network performance and reliability. The paper also offers a rigorous and flexible mathematical model for the ALOHA-based random access protocol with the support of multiple groups of devices and multiple message copies. The analysis is based on the worst-case scenario of message collision, which calculates the message lost ratio (MLR) by assuming that even a weak overlap between two packets in the time-frequency domain leads to the loss of both. Simulations of Weightless-N and Sigfox LPWAN technologies using a variable number of devices, message copies, payload, transmission time, and channels offer some fresh insights into the LPWANs performance. For example, increasing the number message copies reduces the MLR but only up to a certain number of connected devices. After which, the redundancy in packet transmission is no longer beneficial.

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Abbas R, Al-Sherbaz A, Bennecer A, Picton P. Collision Evaluation in Low Power Wide Area Networks. In 19th IEEE International Conference on Scalable Computing and Communication. 2019. p. 1-8