Time-bin modulated polarization-entangled biphotons from cavity-enhanced down-conversion [PDF]
, 2006 We have generated a new type of biphoton state by cavity-enhanced down-conversion in a type-II phase-matched, periodically-poled KTiOPO_4 (PPKTP) crystal.
Kuklewicz, Christopher E. +2 more
core +2 more sources
Time-difference of arrival model for spherical microphone arrays and application to direction of arrival estimation [PDF]
2017 25th European Signal Processing Conference (EUSIPCO), 2017 Publication in the conference proceedings of EUSIPCO, Kos island, Greece ...
Joonas Nikunen, Tuomas Virtanen
openaire +2 more sources
Time Difference of Arrival Based Indoor Positioning System Using Visible Light Communication
IEEE Access, 2021 Visible Light Communication (VLC) is a novel optical wireless communication technology which uses Light Emitting Diodes (LEDs) and Photodiodes for coherent detection and very-high-data rate data communication system.
Saad Mehmood Sheikh +3 more
doaj +1 more source
Highly efficient impulse-radio ultra-wideband cavity-backed slot antenna in stacked air-filled substrate integrated waveguide technology [PDF]
, 2018 An impulse-radio ultra-wideband (IR-UWB) cavity-backed slot antenna covering the [5.9803; 6.9989] GHz frequency band of the IEEE 802.15.4a-2011 standard is designed and implemented in an air-filled substrate integrated waveguide (AFSIW) technology for ...
Lemey, Sam +3 more
core +1 more source
SensorsIn complex underground parking scenarios, non-line-of-sight (NLOS) obstructions significantly impede positioning signals, presenting substantial challenges for accurate vehicle localization.
Shuo Hu +3 more
doaj +1 more source
New high-efficiency source of photon pairs for engineering quantum entanglement
, 2000 We have constructed an efficient source of photon pairs using a waveguide-type nonlinear device and performed a two-photon interference experiment with an unbalanced Michelson interferometer.
A. Einstein +20 more
core +1 more source
2D localization with WiFi passive radar and device-based techniques: an analysis of target measurements accuracy [PDF]
, 2018 The aim of the work is to investigate the performance of two localization techniques based on WiFi signals: the WiFi-based passive radar and a device-based technique that exploits the measurement of angle of arrival (AoA) and time difference of arrival ...
COLONE, Fabiola +2 more
core +1 more source
Iterative Regression Based Hybrid Localization for Wireless Sensor Networks
Sensors, 2021 Among various localization methods, a localization method that uses a radio frequency signal-based wireless sensor network has been widely applied due to its robustness against noise factors and few limits on installation location.
Kyunghyun Lee, Sangkyeum Kim, Kwanho You
doaj +1 more source
Range-Free Localization with the Radical Line
, 2010 Due to hardware and computational constraints, wireless sensor networks (WSNs) normally do not take measurements of time-of-arrival or time-difference-of-arrival for rangebased localization.
Chan, Y. T. +3 more
core +1 more source
Timing of vessel imaging for suspected large vessel occlusions does not affect groin puncture time in transfer patients with stroke. [PDF]
, 2018 BACKGROUND: Access to endovascular therapy (ET) in cases of acute ischemic stroke may be limited, and rapid transfer of eligible patients to hospitals with endovascular capability is needed.
Dhamoon, Mandip S. +5 more
core +1 more source