Results 21 to 30 of about 90,878 (176)
Western Journal of Emergency Medicine, 2016 Introduction: Mobilization of trauma resources has the potential to cause ripple effects throughout hospital operations. One major factor affecting efficient utilization of trauma resources is a discrepancy between the prehospital estimated time of ...
Michael M. Neeki +7 more
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Enhanced hybrid positioning in wireless networks I: AoA-ToA [PDF]
, 2014 Localization in wireless networks presents enormous challenges for scientists and engineers. Some of the most commonly used techniques for localization are based on time of arrival (ToA), received signal strength (RSS) and angle of arrival (AoA) of the ...
Kemp, AH, Khan, MW, Salman, N
core +1 more source
Techniques for RF localization of wireless capsule endoscopy [PDF]
, 2016 © 2016 IEEE. Location estimation of a wireless capsule endoscope at 400 MHz MICS band is implemented here using both RSSI and TOA-based techniques and their performance investigated. To improve the RSSI-based location estimation, a maximum likelihood (ML)
Boddupalli, A +4 more
core +1 more source
Hybrid TOA/AOA Approximate Maximum Likelihood Mobile Localization
Journal of Electrical and Computer Engineering, 2010 This letter deals with a hybrid time-of-arrival/angle-of-arrival (TOA/AOA) approximate maximum likelihood (AML) wireless location algorithm. Thanks to the use of both TOA/AOA measurements, the proposed technique can rely on two base stations (BS) only ...
Mohamed Zhaounia +2 more
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Positioning of High-speed Trains using 5G New Radio Synchronization Signals [PDF]
, 2018 We study positioning of high-speed trains in 5G new radio (NR) networks by utilizing specific NR synchronization signals. The studies are based on simulations with 3GPP-specified radio channel models including path loss, shadowing and fast fading effects.
Koivisto, Mike +5 more
core +2 more sources
IEEE Access, 2020 Dilution of precision (DOP) is a value that can describe the effect on the relationship between measurement error and position determination error.
Binghao Li, Kai Zhao, Xuesong Shen
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Improving the Performance of OTDOA based Positioning in NB-IoT Systems
, 2017 In this paper, we consider positioning with observed-time-difference-of-arrival (OTDOA) for a device deployed in long-term-evolution (LTE) based narrow-band Internet-of-things (NB-IoT) systems.
Berg, Axel +3 more
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Constrained Weighted Least-Squares Algorithms for 3-D AOA-Based Hybrid Localization
IEEE Open Journal of Signal ProcessingSource localization with time-of-arrival (TOA), time-difference-of-arrival (TDOA), time-delay (TD), received-signal-strength (RSS), or angle-of-arrival (AOA) measurements from several spatially distributed sensors is commonly used in practice.
Yanbin Zou +3 more
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EURASIP Journal on Advances in Signal Processing, 2008 This paper evaluates the performance of a semidistributed multinode time-of-arrival (TOA) and direction-of-arrival (DOA) fusion localization technique in terms of localization circular error probability (CEP).
Seyed Zekavat, Zhonghai Wang
doaj +1 more source
IEEE Access, 2016 The high precision ranging using ultra wideband (UWB) signals is expected for various applications. However, UWB requires mitigation of narrowband interference (NBI) from other wireless systems.
Kazutaka Kikuta, Akira Hirose
doaj +1 more source