On the application of LoRa LPWAN technology in Sailing Monitoring System

Li, Lingling; Ren, Jiuchun; Zhu, Qian

doi:10.1109/wons.2017.7888762

Cited by 88 publications

(48 citation statements)

References 6 publications

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“…Air pollution monitoring for Smart Cities is illustrated by the authors Rossi and Tosato [105] and Liu et al [106]. By Li et al [107], LoRa is analyzed for sailing monitoring systems and PER are evaluated. Obtained results show that, while moving with 20 km/h average speed, the frame loss rate is 0.34% within the range of 400 m. Wotherspoon et al [108], a wildlife monitoring system has purposed using LoRa and shown that it can achieve up to 2% frame loss with a 5.5 km range with a power of 20 dBm.…”

Section: Lorawan Applicationsmentioning

confidence: 99%

A Survey on LoRaWAN Architecture, Protocol and Technologies

et al. 2019

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Internet of Things (IoT) expansion led the market to find alternative communication technologies since existing protocols are insufficient in terms of coverage, energy consumption to fit IoT needs. Low Power Wide Area Networks (LPWAN) emerged as an alternative cost-effective communication technology for the IoT market. LoRaWAN is an open LPWAN standard developed by LoRa Alliance and has key features i.e., low energy consumption, long-range communication, builtin security, GPS-free positioning. In this paper, we will introduce LoRaWAN technology, the state of art studies in the literature and provide open opportunities. Several LPWANs emerged on both licensed and unlicensed bands, LoRaWAN, Sigfox and, NB-IoT are widely deployed vital technologies [3].Sigfox is an ultra-narrow band network that is patented and operated by Sigfox. Sigfox occupies 100 Hz and operates at 433MHz, 868MHz and 915MHz frequencies depending on the geographical regions. Technology has strict constraints on the number of packets (140 per day) and the packet size (12 bytes) to be sent. Also, LoRaWAN has similar policies to prevent network congestion allowing channels to be available only %1 duty-cycle for EU 868MHz (See Section 2.4.7). NB-IoT is an ultra-narrow band technology developed by the 3GPP group which can be adopted on GSM and LTE networks. It occupies 200 MHz bandwidth and can reach up to 200 kbps data transmission speed. Compared to LoRaWAN, Sigfox and NB-IoT operated by global network operators which limit deployments of the private networks [4].An overview comparison of the three networks is shown in Table 1. When LPWAN characteristics are considered LoRaWAN becomes a strong candidate for both scientific and industrial uses cases.LoRa referrer to Long Range and a physical layer technology patented by Semtech [5].LoRaWAN is an open protocol proposed by the LoRa Alliance which enables the MAC layer for the network [6].In this study, we will introduce the technological aspects of LoRaWAN and the state of art studies fulfilled about LoRaWAN till today. LoRaWAN protocol was first released in 2015 and had a few minor revisions, the differences in the protocol has been highlighted in the relevant subsection. In the survey, we will introduce LoRaWAN in depth both technological aspects and the use cases of its different areas. We categorized literature studies as in Figure 1. Studies are classified as two main sections; network technology and the applications, each section has own sub-branches. The majority of the work is focused on the coverage tests and applicability of the technology for different fields from large scale smart city applications to personal tracking assets. However, there are still gaps in the literature where researchers can address these problems such as post-disaster communication, decentralized networks, network management, and Adaptive Data Rate.

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Section: Lorawan Applicationsmentioning

confidence: 99%

A Survey on LoRaWAN Architecture, Protocol and Technologies

et al. 2019

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“…Due to its advantages, interesting applications for maritime scenarios are already being introduced based on LoRa/LoRaWAN [27][28][29][30]. The work in [27] presented a LoRa-based sailing monitoring system, the performance of coverage and packet loss rate in the sea area was evaluated by the LoRa transmission experiment with SF9.…”

Section: Related Workmentioning

confidence: 99%

“…In LoRaWAN, the distributed battery-operated end-nodes send data directly to an always-on gateway. The energy efficiency comes by duty-cycling the transceiver of end-nodes when not transmitting [24][25][26].Due to its advantages, interesting applications for maritime scenarios are already being introduced based on LoRa/LoRaWAN [27][28][29][30]. The work in [27] presented a LoRa-based sailing monitoring system, the performance of coverage and packet loss rate in the sea area was evaluated by the LoRa transmission experiment with SF9.…”

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confidence: 99%

A Long-Range 2.4G Network System and Scheduling Scheme for Aquatic Environmental Monitoring

2019

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Wireless communications for applications of inshore fishery and large area aquatic environmental monitoring are really challenging, due to the characteristics of a long monitoring period, large coverage area, and adverse transmission conditions. Recently, LPWAN (low-power wide-area network) became the new solution to address these challenges, due to its long transmission distance and low power consumption of end-nodes. In this paper, we designed a novel network system for aquatic environmental monitoring, based on long-range 2.4G technology, which consisted of a low cost dual-channel gateway and end-nodes. A DMSF (dual-channel multiple spreading factors)–TDMA (time division multiple access) MAC (medium access control) scheme for this system was proposed, which largely reduces the channel collision probability, and improves the real-time for urgent data and the average lifetime of end-nodes. We verified the applicability of the long-range 2.4G technology in an aquatic environment, by point-to-point communication experiments over lake water. The performance evaluation and analysis of DMSF–TDMA is presented through simulations, and comparison with other existing schemes. The results demonstrated the benefit of our proposed scheme, in terms of the packet delivery rate, delay, and energy consumption.

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“…Otros ensayos han sido utilizados para evaluar el comportamiento mecánico de recubrimientos galvanizados, tales como ensayos de nanodureza y microdureza [3], [23], [29][30][31][32], ensayos de adherencia, ensayos de abrasión, entre otros. En la Tabla 4 se muestra un resumen del comportamiento mecánico en recubrimientos galvanizados con baños de diferentes composiciones químicas.…”

Section: Propiedades Mecánicas De Los Recubrimientos Galvanizadosunclassified

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On the application of LoRa LPWAN technology in Sailing Monitoring System

Cited by 88 publications

References 6 publications

A Survey on LoRaWAN Architecture, Protocol and Technologies

A Survey on LoRaWAN Architecture, Protocol and Technologies

A Long-Range 2.4G Network System and Scheduling Scheme for Aquatic Environmental Monitoring

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