Results 41 to 50 of about 16,273 (157)

CAWE-ACNN Algorithm for Coprime Sensor Array Adaptive Beamforming

open access: yesSensors
This paper presents a robust adaptive beamforming algorithm based on an attention convolutional neural network (ACNN) for coprime sensor arrays, named the CAWE-ACNN algorithm.
Fulai Liu   +5 more
doaj   +1 more source

Robust Spectral and Energy Efficiency Tradeoff for RIS‐Aided Multi‐User Communication

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
In this work, an RIS‐aided multi‐user network with imperfect CSI is investigated. Correspondingly, we focus on balancing SE and EE through the collaborative design of the base station (BS)'s precoding matrix and the RIS's phase shifts, which consider the transmit power budget and the channel uncertainties constraints.
Xiandeng He, Yilin Wang, Shun Zhang
wiley   +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

The Mutual Interaction effects between Array Antenna Parameters and Receiving Signals Bandwidth

open access: yesAl-Khawarizmi Engineering Journal, 2017
The presence of a single complex adaptive weight in each element channel of an adaptive array antenna is sufficient for processing of narrowband signals.
Bassim S. Mohammed   +2 more
doaj  

Research on Automotive Radar Mutual Interference Mitigation Method based on V2X Communication Assistance

open access: yesEURASIP Journal on Wireless Communications and Networking
This article analyzes the interference issues between radar and radar, radar and communication, and communication and communication in a vehicle network equipped with a radar communication integrated system.
Yangshui Gao   +5 more
doaj   +1 more source

Adaptive Beamforming With Software-Defined-Radio Arrays

open access: yesIEEE Access, 2022
Digital beamforming is the holy grail of antenna array technologies, however implementing digital beamforming into practical antenna arrays has been slow due to hardware complexity and cost.
Daniel Christopher Gaydos   +2 more
doaj   +1 more source

On Max-SINR Receiver for Hexagonal Multicarrier Transmission Over Doubly Dispersive Channel

open access: yes, 2013
In this paper, a novel receiver for Hexagonal Multicarrier Transmission (HMT) system based on the maximizing Signal-to-Interference-plus-Noise Ratio (Max-SINR) criterion is proposed. Theoretical analysis shows that the prototype pulse of the proposed Max-
Xia, Xiaochen   +3 more
core   +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

The Mutual Interaction effects between Array Antenna Parameters and Receiving Signals Bandwidth

open access: yesAl-Khawarizmi Engineering Journal, 2014
The presence of a single complex adaptive weight in each element channel of an adaptive array antenna is sufficient for processing of narrowband signals.
Shahad D. Sateaa   +2 more
doaj  

An optimal calibration factor for mutual information effective SINR mapping scheme in 5G NR

open access: yesElectronics Letters
In this letter, an optimal calibration factor for mutual information effective signal‐to‐interference‐plus‐noise ratio (SINR) mapping (MIESM) scheme in fifth‐generation new radio (5G NR) is provided.
Hyeongseok Kim   +2 more
doaj   +1 more source

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