Results 51 to 60 of about 88,440,494 (161)

Low sidelobe waveform design with constant modulus constraint for high-frequency radar

open access: yesThe Journal of Engineering, 2019
This article designs waveform in fast-time domain to optimise high-frequency radar performances embedded in the co-channel interference and coloured noise.
Shengnan Shi   +4 more
doaj   +1 more source

Signal design based on post‐detection SINR for MIMO radar in the presence of signal‐dependent interference

open access: yesIET Radar, Sonar & Navigation, 2022
In this study, the target detection and signal design problems in the presence of signal‐dependent interference for a colocated multiple‐input multiple‐output (MIMO) radar employing a space‐(slow) time transmit signal are addressed.
Marzieh Azarang   +2 more
doaj   +1 more source

Exploring Missed Spectrum Access Opportunities in Wi‐Fi 6 and 5G NR‐U Coexistence for Enhancing 6 GHz Spectrum Utilization

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
This paper investigates new radio spectrum coexistence mechanisms, leveraging the currently uninhabited 6 GHz bands and aiming for fair coexistence of Wi‐Fi 6 and 5G new radio unlicensed (NR‐U). A novel two‐stage channel contention mechanism is proposed to explore additional spectrum access opportunities which remain unrealized in the existing channel ...
Md Toufiqur Rahman   +2 more
wiley   +1 more source

PCI planning method based on genetic algorithm in LTE network

open access: yesDianxin kexue, 2016
In order to avoid local optimum and the consumption on time and strength in traditional manual planning,an method of PCI planning based on genetic algorithm(GA-PCIAS)was proposed,the method took full consideration of the PCI planning principle,and the ...
Panxing LI, Jing WANG
doaj   +2 more sources

Optimal Placement of Fire Detection Sensors for Reduced Interference in Wireless Sensor Networks

open access: yesIEEE Open Journal of the Communications Society
The optimal deployment of wireless sensor networks for forest fire detection is crucial for the formulation of cost-effective networks and reliable communication with authorities.
Zeeshan Shafiq   +4 more
doaj   +1 more source

SVD-Based Technique for Interference Cancellation and Noise Reduction in NMR Measurement of Time-Dependent Magnetic Fields

open access: yesSensors, 2016
A nuclear magnetic resonance (NMR) experiment for measurement of time-dependent magnetic fields was introduced. To improve the signal-to-interference-plus-noise ratio (SINR) of NMR data, a new method for interference cancellation and noise reduction ...
Wenjun Chen, Hong Ma, De Yu, Hua Zhang
doaj   +1 more source

Artificial Noise Aided Directional Modulation with Multilog Frequency Diverse Array

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
The basic principle of the proposed AN‐DM‐MFDA system is to allocate AN to leakage sidelobes instead of uniformly transmitting on the two‐dimensional plane. Moreover, we theoretically derive the average bit error rates as well as the secrecy capacity between the legitimate receiver and eavesdropper in the developed system.
Ji Liu, Yue Xiao, Yong Wang, Xia Lei
wiley   +1 more source

Adaptable Bandwidth for Harmonic Step-Frequency Radar

open access: yesInternational Journal of Antennas and Propagation, 2015
A spectrum sensing technique is described which is used to enhance the performance of harmonic step-frequency radar in the presence of harmful radio frequency (RF) interference (RFI). This technique passively monitors the RF spectrum for subbands of high
Anthony F. Martone   +6 more
doaj   +1 more source

Transformer‐Based Fusion for Joint Routing and Resource Allocation in the Internet of Things

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
In this work, we investigate decentralized joint routing and resource allocation for high‐quality path establishment at the network layer of the Internet of Things (IoT). We propose a novel optimization framework based on Transformer‐based Deep Reinforcement Learning (DRL), which enables the fusion of observations and actions along communication paths.
Zibo Zhou   +5 more
wiley   +1 more source

Performance Analysis of Visible Light Communication Using CMOS Sensors

open access: yesSensors, 2016
This paper elucidates the fundamentals of visible light communication systems that use the rolling shutter mechanism of CMOS sensors. All related information involving different subjects, such as photometry, camera operation, photography and image ...
Trong-Hop Do, Myungsik Yoo
doaj   +1 more source

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