Results 31 to 40 of about 1,338 (179)

A Survey on LPWAN-5G Integration: Main Challenges and Potential Solutions

open access: yesIEEE Access, 2022
The popularity of Internet of Things (IoT) has resulted in increased deployments of Low Power Wide Area (LPWA) technologies for both commercial and private services due to their performance and cost advantages.
Yu Chen   +3 more
doaj   +1 more source

Alternative Chirp Spread Spectrum Techniques for LPWANs [PDF]

open access: yesIEEE Transactions on Green Communications and Networking, 2021
Chirp spread spectrum (CSS) is the modulation technique currently employed by Long-Range (LoRa), which is one of the most prominent Internet of things wireless communications standards. The LoRa physical layer (PHY) employs CSS on top of a variant of frequency shift keying, and non-coherent detection is employed at the receiver.
Ivo Bizon Franco de Almeida   +3 more
openaire   +2 more sources

Evaluation of the Use of Class B LoRaWAN for the Coordination of Distributed Interface Protection Systems in Smart Grids

open access: yesJournal of Sensor and Actuator Networks, 2020
The adoption of the distributed generation paradigm is introducing several changes in the design and operation of modern distribution networks. Modern grid codes are becoming more and more complex, and the adoption of smart protection systems is becoming
Marco Pasetti   +7 more
doaj   +1 more source

An Adaptive Spreading Factor Selection Scheme for a Single Channel LoRa Modem

open access: yesSensors, 2020
When the low power wide area network (LPWAN) was developed for the internet of things (IoT), it attracted significant attention. LoRa, which is one of the LPWAN technologies, provides low-power and long-range wireless communication using a frequency band
Seungku Kim, Heonkook Lee, Sungho Jeon
doaj   +1 more source

Development of an IoT-Based (LoRaWAN) Tractor Tracking System

open access: yesJournal of Agricultural Sciences, 2022
The use of new technologies and precision agriculture (PA) in farms has become more important due to the need for enough agricultural production for increasing world population opposed to decreasing farm areas.
Çağdaş Civelek
doaj   +1 more source

Comparison of MIMO based on high capacity LPWAN technology TurMassTM and LoRa

open access: yes物联网学报, 2021
With the rapid development of low power wide area network (LPWAN) technologies, more and more IoT terminals need to access the network.In order to deal with the challenge of massive random access, grant-free random access with massive MIMO (MGFRA) was ...
Hao JIANG   +3 more
doaj   +2 more sources

LoRaWAN Network Performance Test

open access: yesActa Technica Jaurinensis, 2020
There are several types of wireless IoT (Internet of Things) networks based on the connection distance between two communicating devices. For covering wide areas, LPWAN (Low Power Wide Area) networks can provide a good solution.
Istvan Drotar   +2 more
doaj   +1 more source

Smart Parking: A Literature Review from the Technological Perspective

open access: yesApplied Sciences, 2019
The development and high growth of the Internet of Things (IoT) have improved quality of life and strengthened different areas in society. Many cities worldwide are looking forward to becoming smart.
Jhonattan J. Barriga   +6 more
doaj   +1 more source

Bit Error Rate Closed-Form Expressions for LoRa Systems under Nakagami and Rice Fading Channels

open access: yesSensors, 2019
We derive exact closed-form expressions for Long Range (LoRa) bit error probability and diversity order for channels subject to Nakagami-m, Rayleigh and Rician fading.
Claudio Ferreira Dias   +2 more
doaj   +1 more source

Overview of the mobility related security challenges in LPWANs

open access: yesComputer Networks, 2021
The Internet of Things (IoT) is a new emerging system of interconnected devices that experiences significant growth in a wide variety of applications. The rising communication technologies for IoT are the Low Power Wide Area Networks (LPWANs) having long range, low cost and low power characteristics.
Hassan Jradi   +4 more
openaire   +5 more sources

Home - About - Disclaimer - Privacy