Results 21 to 30 of about 532 (126)

Complexity-Efficient Coherent Physical Cell Identity Detection Method for Cellular IoT Systems

open access: yesMathematics, 2022
Narrowband Internet of Things (NB-IoT) is one of the low-power wide-area network technologies that aim to support enormous connection, deep coverage, low power consumption, and low cost. Therefore, low cost of implementation and maintenance is one of the
Young-Hwan You   +3 more
doaj   +1 more source

Analysis of communication reliability in NarrowBand‐IoT oriented wireless sensor networks

open access: yesIET Communications, 2021
The unstable link quality in wireless sensor networks (WSNs) directly affects the success rate of data transmission. The retransmission mechanism is one of the commonly used methods to solve this problem. However, too many retransmissions could lower the
Xingyu He   +5 more
doaj   +1 more source

Persistent Periodic Uplink Scheduling Algorithm for Massive NB-IoT Devices

open access: yesSensors, 2022
Narrowband Internet of Things (NB-IoT) is one of the low-power wide-area network (LPWAN) technologies that aim to support enormous connections, featuring wide-area coverage, low power consumption, and low costs. NB-IoT could serve a massive number of IoT
Tin-Yu Wu   +4 more
doaj   +1 more source

Cross-Cycled Uplink Resource Allocation over NB-IoT

open access: yesSensors, 2021
Before each user equipment (UE) can send data using the narrowband physical uplink shared channel (NPUSCH), each UE should periodically monitor a search space in the narrowband physical downlink control channel (NPDCCH) to decode a downlink control ...
Ya-Ju Yu, Yu-Hsiang Huang, Yuan-Yao Shih
doaj   +1 more source

Time Domain Analysis of NB-IoT Signals

open access: yesApplied Sciences, 2023
The NB-IoT (NarrowBand-Internet of Things) radio technology is now widely implemented by mobile phone network operators to support the communication of IoT devices such as smart meters, insurance black boxes for cars, network connected waste bins, smart ...
Andrea Barellini   +3 more
doaj   +1 more source

Research on the NB-IoT Random Access in LEO Satellite IoT

open access: yes天地一体化信息网络, 2021
Narrowband internet of things (NB-IoT) technology is widely used in data communications for a large number of low-speed and low-power devices, but it is diff cult to provide services for remote areas that cannot be covered by terrestrial networks.With ...
Haodong LIU   +4 more
doaj   +2 more sources

Designing an Ultra-Low-Power RTU for Use in NB-IoT Water Applications [PDF]

open access: yesMATEC Web of Conferences, 2019
This paper presents the design and realization of a ultra-low-power and low-cost remote transfer unit (RTU), working as an outdoor gateway for collecting hydrographic data, such as rainfall, water flow rate, water quality, etc.
Ganchev Ivan   +2 more
doaj   +1 more source

Software-Defined NB-IoT Uplink Framework—The Design, Implementation and Use Cases

open access: yesSensors, 2021
In the radiocommunication area, we may observe a rapid growth of new technology, such as 5G. Moreover, all the newly introduced radio interfaces, e.g., narrowband Internet of Things (NB-IoT), are strongly dependent on the software.
Alicja Olejniczak   +4 more
doaj   +1 more source

Design of temperature and humidity control system based on narrow band Internet of Things application architecture

open access: yesDianzi Jishu Yingyong, 2018
Narrowband Internet of Things(NB-IoT) is a new communication technology in the field of Internet of Things. It has the characteristics of low power consumption, large capacity, wide coverage and so on.
Yang Fan, Wang Yihuai, Song Hongru
doaj   +1 more source

LoPATraN: Low Power Asset Tracking by Means of Narrow Band IoT (NB-IoT) Technology

open access: yesSensors, 2021
The narrowband Internet-of-Things (NB-IoT) communication standard is gaining momentum within the big picture of the Internet-of-Things (IoT) owing to its capabilities of ensuring pervasive and wide coverage while limiting power consumption. Therefore, it
Stefano Parrino   +2 more
doaj   +1 more source

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