LoRaWAN Range Extender for Industrial IoT

Sisinni, Emiliano; Ferrari, Paolo; Carvalho, Dhiego Fernandes; Rinaldi, Stefano; Pasetti, Marco; Flammini, A.; Depari, A.

doi:10.1109/tii.2019.2958620

Cited by 70 publications

(43 citation statements)

References 39 publications

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“…In another study, a robust frame detection algorithm was proposed in order to detect LoRa-modulated frames with minimal complexity implementations [ 9 ]. Furthermore, a frame relay strategy was found to be a feasible way to improve the link quality of poorly connected nodes and successfully extend the range of LoRaWAN [ 10 ].…”

Section: Related Workmentioning

confidence: 99%

LoRa 2.4 GHz Communication Link and Range

Janssen

BniLam

Aernouts

et al. 2020

Sensors

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Recently, Semtech has released a Long Range (LoRa) chipset which operates at the globally available 2.4 frequency band, on top of the existing sub-GHz, km-range offer, enabling hardware manufacturers to design region-independent chipsets. The SX1280 LoRa module promises an ultra-long communication range while withstanding heavy interference in this widely used band. In this paper, we first provide a mathematical description of the physical layer of LoRa in the 2.4 band. Secondly, we investigate the maximum communication range of this technology in three different scenarios. Free space, indoor and urban path loss models are used to simulate the propagation of the 2.4 LoRa modulated signal at different spreading factors and bandwidths. Additionally, we investigate the corresponding data rates. The results show a maximum range of 333km in free space, 107m in an indoor office-like environment and 867m in an outdoor urban context. While a maximum data rate of 253.91 can be achieved, the data rate at the longest possible range in every scenario equals 0.595. Due to the configurable bandwidth and lower data rates, LoRa outperforms other technologies in the 2.4 band in terms of communication range. In addition, both communication and localization applications deployed in private LoRa networks can benefit from the increased bandwidth and localization accuracy of this system when compared to public sub-GHz networks.

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Section: Related Workmentioning

confidence: 99%

LoRa 2.4 GHz Communication Link and Range

Janssen

BniLam

Aernouts

et al. 2020

Sensors

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“…The main idea is to increase the coverage area with a transparent node to the network. In [32], the same authors used an industrial scenario to validate and implement a proof-of-concept prototype of the e-Node, but using an end-device as an intermediate node. They measured several messages delays and concluded the proposed solution could improve the coverage of the network with high reliability of packets sent by distant end-devices.…”

Section: Relay Proposalsmentioning

confidence: 99%

“…Ebi et al [27] Router-Device Single Yes No Relay-Gateway Multi Haubro et al [29] Router-Device Single Yes Yes Lee and Ke [23] Router-Device Single No Yes Liao et al [18] Router-Device Single Yes Yes Lundell et al [19] Router-Device Single Yes Yes Mai and Kim [25] Router-Device Single Yes Yes Sartori et al [28] Router-Device Single Yes Yes Sisinni et al [31] Relay-Gateway Multi No No Sisinni et al [32] Relay-Device Multi No Yes Tanjung et al [35] Relay-Device Single Yes Yes Weiwei Zhou and Wang [34] Relay-Device Single Yes Yes Zhu et al [26] Router-Device Single Yes Yes…”

Section: Devices Classificationmentioning

confidence: 99%

“…Relay-Device ( Figure 6a) -Smart Building -Industrial -Improve connection -Access to power supply Aslam et al [37] Choi et al [36] Diop and Pham [33] Duong and Kim [22] Sisinni et al [32] Tanjung et al [35] Weiwei Zhou and Wang [34] Relay-Gateway (Figure 6b) -Smart Farm -Connect remote areas -Concentrate data traffic Aslam et al [37] Sisinni et al [31] Relay-Device Relay-Gateway ( Figure 6c) -Smart City -Improve coverage area -Concentrate data traffic -Battery powered devices None Table 5. Cont.…”

Section: Scenario Scenario Details Related Workmentioning

confidence: 99%

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LoRaWAN Mesh Networks: A Review and Classification of Multihop Communication

Cotrim

Kleinschmidt

2020

Sensors

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The growth of the Internet of Things (IoT) led to the deployment of many applications that use wireless networks, like smart cities and smart agriculture. Low Power Wide Area Networks (LPWANs) meet many requirements of IoT, such as energy efficiency, low cost, large coverage area, and large-scale deployment. Long Range Wide Area Network (LoRaWAN) networks are one of the most studied and implemented LPWAN technologies, due to the facility to build private networks with an open standard. Typical LoRaWAN networks are single-hop in a star topology, composed of end-devices that transmit data directly to gateways. Recently, several studies proposed multihop LoRaWAN networks, thus forming wireless mesh networks. This article provides a review of the state-of-the-art multihop proposals for LoRaWAN. In addition, we carried out a comparative analysis and classification, considering technical characteristics, intermediate devices function, and network topologies. This paper also discusses open issues and future directions to realize the full potential of multihop networking. We hope to encourage other researchers to work on improving the performance of LoRaWAN mesh networks, with more theoretical and simulation analysis, as well as practical deployments.

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“…LoRa is a promising long-range communication technology for several application domains, such as mobile robotics [24], industry [25][26][27][28], healthcare [29], and consumer [30] applications. LoRaWAN [18] is standardized by the LoRa Alliance and defines a network architecture based on LoRa.…”

Section: Related Workmentioning

confidence: 99%

Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA?

et al. 2020

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Low-Power Wide-Area Networks (LPWANs) are emerging as appealing solutions for several Internet of Things (IoT) applications, such as healthcare, smart cities and Industry 4.0, thanks to their ease of deployment, low energy consumption and large coverage range. LoRaWAN is one of the most successful LPWAN standards, as it supports robust long-distance communications using low-cost devices. To comply with the ETSI regulations, LoRaWAN can adopt as medium access control (MAC) layer either a pure ALOHA approach with duty-cycle limitations or a polite spectrum access technique, such as Listen Before Talk (LBT). The two approaches have their pros and cons that need to be carefully evaluated. The studies in the literature that so far have addressed an evaluation of MAC protocols for LoRaWAN refer to a previous and now obsolete version of the ETSI regulations, therefore they do not take into account the current limits on the timing parameters for polite spectrum access, such as that maximum time an end-node is allowed to be transmitting per hour. For this reason, the contribution of this work is two-fold. First, the paper discusses the restrictions that the current ETSI regulations impose on some timing parameters of the two kinds of MAC protocols for LoRaWAN. Second, the paper provides comparative performance assessments of the two protocols through simulations in realistic scenarios under different workload conditions.

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LoRaWAN Range Extender for Industrial IoT

Cited by 70 publications

References 39 publications

LoRa 2.4 GHz Communication Link and Range

LoRa 2.4 GHz Communication Link and Range

LoRaWAN Mesh Networks: A Review and Classification of Multihop Communication

Comparative Assessment of the LoRaWAN Medium Access Control Protocols for IoT: Does Listen before Talk Perform Better than ALOHA?

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