Results 81 to 90 of about 252,890 (161)

IQI Mitigation for Narrowband IoT Systems With OFDM-IM

open access: yesIEEE Access, 2018
The crucial aim for 5G narrowband Internet of Things (NB-IoT) is to support massive connectivity with wide coverage area, low power consumption, low hardware complexity, and low data rate.
Armed Tusha, Seda Dogan, Huseyin Arslan
doaj   +1 more source

A Survey on NB-IoT Random Access: Approaches for Uplink Radio Access Network Congestion Management

open access: yesIEEE Access
Narrowband Internet of Things (NB-IoT) is one of the most promising technologies for enabling reliable communication among low-power, and low cost devices present in massive machine-type communications (mMTC). In NB-IoT, random access (RA) is implemented
Loini Iiyambo   +2 more
doaj   +1 more source

Democratization of PV Micro-Generation System Monitoring Based on Narrowband-IoT. [PDF]

open access: yesSensors (Basel), 2022
Paredes-Parra JM   +5 more
europepmc   +1 more source

Empirical Characterization and Modeling of the Propagation Channel Inside the VIRC

open access: yesIEEE Access
Over-the-air (OTA) testing and electromagnetic compatibility (EMC) measurements are widely performed in classical reverberation chambers. A less-known reverberation chamber, yet a considerably efficient environment for generating multipath conditions, is
Mhd Zaher Mahfouz   +3 more
doaj   +1 more source

Method for Handling Massive IoT Traffic in 5G Networks

open access: yesSensors, 2018
The ever-growing Internet of Things (IoT) data traffic is one of the primary research focuses of future mobile networks. 3rd Generation Partnership Project (3GPP) standards like Long Term Evolution-Advanced (LTE-A) have been designed for broadband ...
Safdar Nawaz Khan Marwat   +6 more
doaj   +1 more source

Narrowband Internet of Things (NB-IoT) and LTE Systems Co-existence Analysis [PDF]

open access: yes, 2018
In this paper, we establish a comprehensive uplink system model for in-band and guard-band Narrowband Internet of Things (NB-IoT) with arbitrary sample duration in the NB-IoT device.
Bowen Yang   +9 more
core   +1 more source

Increasing the throughput of Direct-to-Satellite Narrowband IoT networks

open access: yes
International audienceThe design of a Direct-to-Satellite (DtS) network infrastructure based on the availability of Low Earth Orbit (LEO) satellite constellations has recently emerged as a key enabler of global Internet of Things (IoT) connectivity.
Berthou, Pascal   +2 more
core   +1 more source

Digital Pre-Distortion of Carrier Frequency Offset for Reliable Wi-Fi Enabled IoTs

open access: yesFuture Internet, 2017
The Internet of Things (IoTs) will change the requirements for wireless connectivity significantly, mainly with regard to service coverage, data rate, and energy efficiency.
Il-Gu Lee
doaj   +1 more source

Performance Measurements of Narrowband-IoT Network in Emulated and Field Testbeds

open access: yes, 2019
Narrowband IoT (NB-IoT) as a radio access technology for the cellular Internet of Things (cIoT) is getting more traction due to attractive system parameters, new proposals in the 3 rd Generation Partnership Project (3GPP) Release 14 for reduced power ...
Elayanithottathil, Jubin Sebastian   +3 more
core   +1 more source

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