Results 91 to 100 of about 3,204 (200)

A Fuzzy-Based Angle-of-Arrival Estimation System (AES) Using Radiation Pattern Reconfigurable (RPR) Antenna and Modified Gaussian Membership Function

open access: yesIEEE Access, 2019
Angle-of-arrival (AOA) estimation is an important factor in various wireless sensing applications, especially localization systems. This paper proposes a new type of AOA estimation sensor node, known as AOA-estimation system (AES) where the received ...
Mohd Ilman Jais   +8 more
doaj   +1 more source

Collaborative Beamforming for Multi‐Target Localization Using Passive Anchors

open access: yesElectronics Letters, Volume 62, Issue 1, January/December 2026.
A joint collaborative beamforming strategy for passive sensor network is proposed active sensors generate collaborative beam to power up the passive sensors and attain accurate self‐localization. ABSTRACT Using wireless passive sensor nodes as anchors is a cost‐effective way for localization system.
Xingjun Lai   +3 more
wiley   +1 more source

Angle of Arrival Measurements with Ultra-wide Band Transceivers: Design and Evaluation

open access: yes
Ultra-wide Band (UWB) positioning systems estimate the user's position from several time-based measurements. While usually achieving decimeter-level accuracy, enhancing the measurements by additional measurements, such as Angle of Arrival (AoA), should ...
Krška, Josef   +2 more
core   +1 more source

Performance Evaluation of the Angle of Arrival of LoRa Signals under Interference

open access: yes, 2022
International audienceTracking objects in indoor is always a challenge for a variety of Internet of Things (IoT) applications. Nowadays, many indoor tracking applications use Low-Power Wide-Area Networks (LPWAN) for Machine-to-Machine (M2M) communication.
Thierry, Val   +3 more
core   +1 more source

BDALT: Bilateration and Double Anchor-based Localization Technique for Wireless Sensor Networks using Angle of Arrival (AoA) and Received Signal Strength (RSS) -A Hybrid Technique

open access: yesInternational Journal of Engineering and Advanced Technology, 2019
Anchor based localization techniques are better and cost free alternate solutions against GPS based localization techniques in Wireless Sensor Networks (WSN) applications. Anchor based localization techniques using Zigbee technology in WSN have attracted highly in the recent years.
Mamidi Kiran Kumar*, V Kamakshi Prasad
openaire   +1 more source

UWB based positioning: Cramer Rao bound for angle of arrival and comparison with time of arrival

open access: yes, 2006
In this paper we consider the potential of UWB (ultra wide band) signals for positioning. We consider both TOA (time of arrival) and AOA (angle of arrival) based methods. For the AOA method we use a linear array of equi-spaced elements. We derive the CRB
Louveaux, Jérôme   +3 more
core  

Angle-of-Arrival Assisted GNSS Collaborative Positioning

open access: yes, 2016
For outdoor and global navigation satellite system (GNSS) challenged scenarios, collaborative positioning algorithms are proposed to fuse information from GNSS satellites and terrestrial wireless systems.
Xiaowei Cui   +3 more
core   +1 more source

A Joint Decoherence-Based AOA and TDOA Positioning Approach for Interference Monitoring in Global Navigation Satellite System

open access: yesApplied Sciences
Global navigation satellite system (GNSS) has been widely used in many fields due to their low cost and high positioning accuracy. Because of the open frequency of navigation signals, the low power of navigation signals, and the growing reliance of many ...
Wenjian Wang, Yinghong Wen, Yongxia Liu
doaj   +1 more source

Benefits and Impact of Joint Metric of AOA/RSS/TOF on Indoor Localization Error

open access: yesApplied Sciences, 2016
The emerging techniques in the Fifth Generation (5G) communication system, like the millimeter-Wave (mmWave) and massive Multiple Input Multiple Output (MIMO), make it possible to measure the Angle-Of-arrival (AOA), Receive Signal Strength (RSS) and Time-
Qing Jiang   +3 more
doaj   +1 more source

Nonisotropic Scattering Characteristic in an Alternant Tree-Blocked Viaduct Scenario on High-Speed Railway at 2.35 GHz

open access: yesInternational Journal of Antennas and Propagation, 2014
This paper presents the nonisotropic scattering characteristic of the mobile radio channel in an alternant tree-blocked viaduct scenario on high-speed railway (HSR) by real field measuring at 2.35 GHz.
Rongchen Sun   +5 more
doaj   +1 more source

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