Results 91 to 100 of about 167,469,029 (193)
Angle of arrival estimation using BLE technology and antenna array
, 2022 Zasnovali smo sistem za oceno kota prihoda signala s tehnologijo nizkoenergij- skega Bluetootha, ki je z namenom bolj natančnega določanja lokacij naprav, v standard verzije 5.1 dodal funkcionalnost za oceno kota prihoda signala (ang.
SIMONČIČ, ALEŠ
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Spatial Characterization of GNSS Multipath Channels
International Journal of Antennas and Propagation, 2012 There is a growing interest in detecting and processing Global Navigation Satellite System (GNSS) signals in indoors and urban canyons by handheld devices.
Hatef Keshvadi +2 more
doaj +1 more source
Geometrical statistical channel model with an Inverted-Parabolic spatial distribution
Tongxin xuebao, 2014 Due to the complexity of calculation for the parameters of angle of arrival(AOA),time of arrival(TOA) and Dopplerspectra(DS),etc.,a proper geometrical statistical channel model was proposed with inverted-parabolic spatial distribution around mobile ...
Jie ZHOU, Dong-dong XU, Kikuchi HISAKAZU
doaj +2 more sources
International 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
A Hybrid Distance Estimation for Wireless Body Sensor Networks
International Journal of Distributed Sensor Networks, 2013 Wireless body area networks become a new research issue in recent years. In this paper, we propose hibernation and distance estimation schemes for wireless USB (WUSB) over wireless body area networks (WBAN) hierarchical protocol for body sensor networks (
Kyeong Hur, Won-Sung Sohn, Jae-Kyung Kim
doaj +1 more source
A Constrained Least Squares Approach to Mobile Positioning: Algorithms and Optimality
EURASIP Journal on Advances in Signal Processing, 2006 The problem of locating a mobile terminal has received significant attention in the field of wireless communications. Time-of-arrival (TOA), received signal strength (RSS), time-difference-of-arrival (TDOA), and angle-of-arrival (AOA) are commonly used ...
Ma W-K, Chan YT, Cheung KW, So HC
doaj +1 more source
Angle of Arrival Measurements with Ultra-wide Band Transceivers: Design and Evaluation
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
Angle-of-arrival measurement of a microwave signal using parallel optical delay detector
, 2013 A novel parallel optical delay detector is proposed for angle-of-arrival (AOA) measurement of a microwave signal with accuracy monitoring. A theoretical model is built up to analyze the proposed system, including measurement accuracy monitoring.
Cao, Z. +14 more
core +1 more source
Implementation of accurate broadband steering vectors for broadband angle of arrival estimation [PDF]
, 2013 Motivated by accurate broadband steering vector requirements for applications such as broadband angle of arrival estimation, we review fractional delay filter designs.
Weiss, Stephan +2 more
core +1 more source
UWB based positioning: Cramer Rao bound for angle of arrival and comparison with time of arrival
, 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
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