29 citations · 126 across the 12 of their papers we have counts for
12 papers
Anchor Pair Selection in TDOA Positioning Systems by Door Transition Error Minimization
Marcin Kolakowski, Jozef Modelski
This paper presents an adaptive anchor pairs selection algorithm for UWB (ultra-wideband) TDOA-based (Time Difference of Arrival) indoor positioning systems. The method assumes div…
Adaptive Anchor Pairs Selection in a TDOA-based System Through Robot Localization Error Minimization
Marcin Kolakowski
The following paper presents an adaptive anchor pairs selection method for ultra-wideband (UWB) Time Difference of Arrival (TDOA) based positioning systems. The method divides the…
The Use of MEMS Accelerometers for Remote Activity and Living Parameters Monitoring
Natalia Osiadala, Marcin Kolakowski
In the paper a ballistocardiographic sensor for remote monitoring of activity and vital parameters is presented. The sensor is mainly intended for use in monitoring systems support…
Comparison of Extended and Unscented Kalman Filters Performance in a Hybrid BLE-UWB Localization System
Marcin Kolakowski
The paper presents a comparison of performance of two Kalman Filters: extended Kalman filter (EKF) and unscented Kalman filter (UKF) in a hybrid Bluetooth-Low-Energy-ultra-wideband…
A Hybrid BLE/UWB Localization Technique with Automatic Radio Map Creation
Marcin Kolakowski
Localization systems intended for home use by people with mild cognitive impairment should comply with specific requirements. They should provide the users with sub-meter accuracy…
Detection of direct path component absence in NLOS UWB channel
Marcin Kolakowski, Jozef Modelski
In this paper a novel NLOS (Non-Line-of-Sight) identification technique is proposed. In comparison to other methods described in the literature, it discerns a situation when the de…
Kalman filter based localization in hybrid BLE-UWB positioning system
Marcin Kolakowski
In this paper a concept of hybrid Bluetooth Low Energy (BLE) Ultra-wideband (UWB) positioning system is presented. The system is intended to be energy efficient. Low energy BLE uni…
Utilizing acceleration measurements to improve TDOA based localization
Marcin Kolakowski
In this paper localization using UWB positioning system and an inertial unit containing a single accelerometer is considered. The main part of the paper describes a novel algorithm…
First path component power based NLOS mitigation in UWB positioning system
Marcin Kolakowski, Jozef Modelski
The paper describes an NLOS (Non-Line-of-Sight) mitigation method intended for use in a UWB positioning system. In the proposed method propagation conditions between the localized…
Improving BLE Based Localization Accuracy Using Proximity Sensors
Marcin Kolakowski
Bluetooth Low Energy systems are one of the most popular solutions used for indoor localization. Unfortunately their accuracy might not be sufficient for some of the applications.…
Monitoring Wandering Behavior of Persons Suffering from Dementia Using BLE Based Localization System
Marcin Kolakowski, Bartosz Blachucki
With the aging of our populations, dementia will become a problem which would directly or indirectly affect a large number of people. One of the most dangerous dementia symptoms is…
TDOA-TWR based positioning algorithm for UWB localization system
Marcin Kolakowski, Vitomir Djaja-Josko
Ultra-wideband positioning systems intended for indoor applications often work in non-line of sight conditions, which result in insufficient precision and accuracy of derived local…