Results 61 to 70 of about 173,684,442 (165)

A Machine Learning Approach for Signal Detection Using Rational Function Curve Fitting in Slow Flat Fading MIMO Communications

open access: yesEngineering Reports, Volume 8, Issue 10, October 2026.
In this manuscript, we propose a new scheme for signal detection in MIMO communication, based on curve fitting (CF) and supervised machine learning, which classifies received signals without emphasis and without needing to know the signal constellation, modulation system, channel estimation, and transmitter‐receiver structure of an Nt × Nr MIMO ...
Hamid Nourollahi   +2 more
wiley   +1 more source

On Vulnerability of Selected IoT Systems to Radio Jamming—A Proposal of Deployment Practices

open access: yes, 2020
Weightless and SigFox are both narrowband communication systems designed for the Internet of Things, along with some other counterparts such as LoRa (Long Range) and narrowband Internet of Things (NB-IoT). As systems dedicated specifically for long-range
Michał Kowal, Kamil Staniec
core   +1 more source

Channel Equalization and Interference Analysis for Uplink Narrowband Internet of Things (NB-IoT) [PDF]

open access: yes, 2019
We derive the uplink system model for In-band and Guard-band narrowband Internet of Things (NB-IoT). The results reveal that the actual channel frequency response (CFR) is not a simple Fourier transform of the channel impulse response, due to sampling ...
Zhang, Lei   +3 more
core   +3 more sources

Smart Parking Systems: A Review of Optimization Techniques and Technological Advances

open access: yesEnergy Science &Engineering, Volume 14, Issue 10, Page 4526-4545, October 2026.
This review highlights optimization techniques and recent technological advances in smart parking systems, emphasizing their role in enhancing efficiency, reducing congestion, and improving user experience. It provides insights into innovative approaches that shape the future of sustainable and intelligent urban mobility. ABSTRACT In heavily populated,
Amirhossein Khosravi Sarvenoee   +5 more
wiley   +1 more source

An Efficient Polar Coding Scheme for Uplink Data Transmission in Narrowband Internet of Things Systems

open access: yesIEEE Access, 2020
Narrowband Internet of Things (NB-IoT) is an emerging IoT cellular-based wireless technology that builds based on the existing LTE standard to extend its network coverage suited for Low Power Wide Area Network (LPWAN) connectivity.
Rabiu Sale Zakariyya   +4 more
doaj   +1 more source

Conformal and Multi‐Domain Radio Frequency Energy Harvesting System Based on Graphene for Internet of Things Applications

open access: yesInterdisciplinary Materials, Volume 5, Issue 5, Page 879-888, September 2026.
This study details a multi‐domain graphene assembled film (GAF) based radio frequency (RF) energy harvesting system (GEHS) for Internet of Things (IoT) applications. The GEHS integrates a flexible dual‐band, dual‐polarization, dual‐beam antenna array based on GAF materials with a high‐efficiency rectifier.
Yitong Xin   +12 more
wiley   +1 more source

Application Design of Farmbot based on Internet of Things (IoT) [PDF]

open access: yes, 2019
The agribusiness sector is the largest economic sector and the most important part of the Indonesian national economy, but the agribusiness sector begins to experience threats in fulfilling human food.
Eka Atmaja, Denny Sukma; School of Industrial and System Engineering, Telkom University, Jl. Telekomunikasi Terusan Buah Batu, Bandung, 40257, Indonesia   +2 more
core   +1 more source

A Survey on Energy Efficient Narrowband Internet of Things (NBIoT): Architecture, Application and Challenges

open access: yesIEEE Access, 2019
The advancement of technologies over years has poised Internet of Things (IoT) to scoop out untapped information and communication technology opportunities.
Sakshi Popli   +2 more
doaj   +1 more source

Thin‐film lithium niobate photonics: Frontiers in millimeter‐wave and terahertz generation and integrated applications

open access: yesInfoScience, Volume 3, Issue 3, September 2026.
With the advancement of 6G communications, high‐precision radar, and advanced imaging technologies, there is a growing demand for compact, high‐performance light sources capable of generating high‐frequency radio waves (millimeter‐wave and terahertz waves). This article systematically introduces how to efficiently generate these high‐frequency waves on
Jianfeng Xiong   +8 more
wiley   +1 more source

Radio‐Frequency Front‐End‐Free Hybrid Code‐Division and Space‐Division Wireless Multiplexing Using Space‐Time‐Coding Metasurface [PDF]

open access: yesNanophotonics
This work constructs a radio‐frequency front‐end‐free hybrid code‐division and space‐division‐multiplexing wireless communication system built on programmable space‐time‐coding metasurfaces. Orthogonal pseudo‐random codes reliably separate overlapped multistream signals that share identical frequency, time, and spatial resources.
Chen Y, Wang X, Yang G, Jin Y.
europepmc   +2 more sources

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