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   Articles with "angle arrival" as a keyword



The angle of arrival estimation of frequency-hopping cooperative object based on software-defined radio

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recommendations! Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-58488-8

Abstract: The primary objective of this research is to propose and examine a technique for accurately determining the azimuth angle of cooperative objects. The proposed methodology aims were to achieve fast processing, increased precision, and enhanced… read more here.

Keywords: methodology; defined radio; software defined; estimation ... See more keywords

Optimizing the angle of arrival positioning error of a UAV via an improved nutcracker optimization algorithm

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recommendations! Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-24269-0

Abstract: To address the issues of insufficient accuracy due to nonlinear error accumulation in traditional drone angle-of-arrival (AOA) positioning and the tendency of existing optimization algorithms to get stuck in local optima, this paper proposes a… read more here.

Keywords: optimization algorithm; positioning error; angle arrival; error ... See more keywords

Learning and Data-Driven Beam Selection for mmWave Communications: An Angle of Arrival-Based Approach

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recommendations! Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2895594

Abstract: This paper investigates how angle-of-arrival (AoA) information can be exploited by deep-/machine-learning approaches to perform beam selection in the uplink of a mmWave communication system. Specifically, we consider a hybrid beamforming setup comprising an analog… read more here.

Keywords: data driven; angle arrival; beam selection; learning data ... See more keywords

Angle-of-Arrival Estimation in Formation Flying Satellites: Concept and Demonstration

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recommendations! Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2935620

Abstract: One of the challenges of future space missions is the deployment of instruments distributed across multiple satellites that fly in an autonomous formation. This type of mission requires that the spacecraft communicate using inter-satellite links… read more here.

Keywords: arrival estimation; angle arrival; estimation; formation flying ... See more keywords

AI-Enhanced Pilot-Assisted Angle-of-Arrival Estimation for Wearable Devices in Rician Fading Channels: A Low-SNR Focused Method

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recommendations! Published in 2025 at "IEEE Access"

DOI: 10.1109/access.2025.3634289

Abstract: Accurate angle-of-arrival (AoA) estimation is critical for precise localisation in wearable devices, particularly in challenging wireless environments such as Rician fading with low signal-to-noise ratios (SNRs). This paper proposes a pilot-assisted AoA estimation technique that… read more here.

Keywords: wearable devices; method; pilot; estimation ... See more keywords

Photonics-Based Frequency and Angle of Arrival Measurement System for Multi-Antenna Long-Baseline Direction Finding

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recommendations! Published in 2025 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2025.3625942

Abstract: A microwave photonic frequency and angle of arrival (AOA) measurement scheme, which overcomes the issue of limited extendibility in many reported structures, at the same time, offers the advantage of simplicity, is presented. It is… read more here.

Keywords: frequency angle; system; measurement; angle arrival ... See more keywords

Angle-of-Arrival Estimation of Broadband Microwave Signals Based on Microwave Photonic Filtering

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recommendations! Published in 2017 at "IEEE Photonics Journal"

DOI: 10.1109/jphot.2017.2757960

Abstract: We propose and experimentally demonstrate a photonic approach to estimate the angle-of-arrival (AOA) of broadband microwave signals. Using an integrated polarization-division multiplexing Mach–Zehnder modulator and a differential group-delay module, a microwave photonic notch filter is… read more here.

Keywords: angle arrival; broadband microwave; microwave photonic; microwave signals ... See more keywords

LCD-Based Angle-of-Arrival Estimation of Multiple Light Sources: Paving the Road to Multiuser VLC

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recommendations! Published in 2024 at "IEEE Photonics Journal"

DOI: 10.1109/jphot.2024.3388928

Abstract: This paper extends previous work on liquid-crystal-display-based angle-of-arrival (AoA) estimation, initially performed for only a single light source (LS), by considering scenarios with multiple LSs. First, the system model is revisited to investigate parameters that… read more here.

Keywords: multiple lss; based angle; estimation; lcd based ... See more keywords

Machine Learning-Based Angle of Arrival Estimation for Ultra-Wide Band Radios

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recommendations! Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3167020

Abstract: This letter analyzes the feasibility of deep convolutional neural networks (DCNN) for accurate ultra-wideband (UWB) angle of arrival estimation that is robust against hardware imperfections. To this end, a uniform linear array with four antenna… read more here.

Keywords: arrival estimation; learning based; machine learning; angle arrival ... See more keywords

An IR-UWB Angle-of-Arrival Sensor IC Using Auto-Toggled Time-to-Digital Converter

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recommendations! Published in 2019 at "IEEE Microwave and Wireless Components Letters"

DOI: 10.1109/lmwc.2019.2943811

Abstract: This letter introduces an impulse radio-ultrawideband (IR-UWB) angle-of-arrival (AoA) sensor integrated circuit (IC) using an auto-toggled time-to-digital converter (TDC). The detectable range of the proposed AoA sensor can be extended by a factor of 2… read more here.

Keywords: uwb angle; using auto; angle arrival; sensor ... See more keywords

A Closed-Form Localization Algorithm Using Angle-of-Arrival and Difference Time of Scan Time Measurements in Scan-Based Radar

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recommendations! Published in 2019 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2018.2890353

Abstract: This letter presents a closed-form localization algorithm using the angle-of-arrival and difference time of scan time measurements from the scan-based radar (SBR). With the known radar scanning velocity, the difference time of the scan time… read more here.

Keywords: time; time scan; scan time; angle arrival ... See more keywords