Results 31 to 40 of about 8,425 (174)
Location measurement of an object using radio networks for Industry 4.0 applications [PDF]
E3S Web of Conferences, 2021 Indoor positioning methods using radio networks are investigated. Time Difference of Arrival (TDOA) method is studied deeply, and the main problems are revealed.
Fedotov Alexander +4 more
doaj +1 more source
Dynamic W-CDMA network planning using mobile location [PDF]
, 2002 Location assisted dynamic network planning enables an operator to obtain geographic specific performance estimates and automatically redistribute radio resources.
Nix, AR, Sharma, S
core +2 more sources
Accuracy Analysis in Sensor Networks for Asynchronous Positioning Methods
Sensors, 2019 The accuracy requirements for sensor network positioning have grown over the last few years due to the high precision demanded in activities related with vehicles and robots.
Rubén Álvarez +5 more
doaj +1 more source
A combined algorithm approach for PD location estimation using RF antennas [PDF]
, 1949 To locate the positions of partial discharge sources in free space at least four RF antennas are arranged in a suitable spatial geometry to detect the radiated electromagnet energy from the discharge.
Fresno, José Manuel +3 more
core +4 more sources
Self-Calibration for the Time Difference of Arrival Positioning
Sensors, 2020 The time-difference-of-arrival (TDOA) self-calibration is an important topic for many applications, such as indoor navigation. One of the most common methods is to perform nonlinear optimization.
Juri Sidorenko +5 more
doaj +1 more source
IEEE Access, 2021 In this paper, we investigate the mobile node localization problem in an underwater positioning system using multiple surface beacons, where time synchronization between the surface beacons and underwater mobile nodes is not required. First, we propose a
Feng Liu +3 more
doaj +1 more source
A Novel Joint TDOA/FDOA Passive Localization Scheme Using Interval Intersection Algorithm
Information, 2021 Due to the large measurement error in the practical non-cooperative scene, the passive localization algorithms based on traditional numerical calculation using time difference of arrival (TDOA) and frequency difference of arrival (FDOA) often have no ...
Lingyu Ai +5 more
doaj +1 more source
Sound Event Detection Using Spatial Features and Convolutional Recurrent Neural Network [PDF]
, 2017 This paper proposes to use low-level spatial features extracted from multichannel audio for sound event detection. We extend the convolutional recurrent neural network to handle more than one type of these multichannel features by learning from each of ...
Adavanne, Sharath +2 more
core +2 more sources
3D TDOA Emitter Localization Using Conic Approximation
Sensors, 2023 This paper develops a new time difference of arrival (TDOA) emitter localization algorithm in the 3D space, employing conic approximations of hyperboloids associated with TDOA measurements. TDOA measurements are first converted to 1D angle of arrival (1D-
Kutluyil Dogancay, Hatem Hmam
doaj +1 more source
WiFi emission-based vs passive radar localization of human targets [PDF]
, 2018 In this paper two approaches are considered for human targets localization based on the WiFi signals: the device emission-based localization and the passive radar.
Bongioanni, Carlo +3 more
core +1 more source