LoRaWAN Class B Multicast Scalability

Yonatan Shiferaw, Apoorva Arora, Fernando Kuipers

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

LoRaWAN has emerged as a popular IoT commu- nications technology. It comes with three classes of operation: A, B, and C. Although many IoT use-cases, like Firmware-over- the-Air updates, require multicast, Class A cannot be used for that purpose. Class C can, but consumes a lot of energy. This leaves Class B. In this paper, we investigate Class B multicast and its scalability properties. Issues like multicast member capacity, beacon blocking, and beacon collisions are highlighted, and several approaches to mitigate them are proposed: (1) “Ping-Slot Relaying,” to allow for more multicast members, (2) a scheduling approach indicating when to best send multicast packets, and (3) “Dynamic Region Formation” to coordinate the sending of beacons over multiple gateways. The proposed solutions do not require any modifications to the LoRaWAN protocol.
Original languageEnglish
Title of host publicationProceedings of IFIP Networking 2020
PublisherIFIP
Number of pages5
ISBN (Electronic)978-3-903176-28-7
Publication statusPublished - 2020
Event19th International IFIP TC6 Networking Conference, Networking 2020 - Paris, France
Duration: 22 Jun 202025 Jun 2020
Conference number: 19

Conference

Conference19th International IFIP TC6 Networking Conference, Networking 2020
Abbreviated titleNetworking 2020
CountryFrance
CityParis
Period22/06/2025/06/20
OtherVirtual/online event due to COVID-19

Keywords

  • LoRaWAN Class B
  • Multicast
  • IoT

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