Results 91 to 100 of about 9,860 (181)
Fault-tolerant localization method for underground mine based on wireless sensor network
矿业科学学报, 2017 This paper described a wireless-sensor-network based monitoring and positioning system for underground mine.This system regards the condition of ensuring the function of positioning as the basic requirements and uses reasonable fault-tolerant mechanism ...
Liu Xiaoyang, Liang Tao, Hu Qiaosen
doaj
Normalization and smoothing of RSSI values of Bluetooth connection [PDF]
, 2023 Tato práce zkoumá účinky normalizace a vyhlazování časových řad RSSI. Implementuje několik různých metod, jako je exponenciální vyhlazování, klouzavý průměr a Savitzky-Golayův algoritmus.
Filip Špaček
core
Iterative Positioning Algorithm for Indoor Node Based on Distance Correction in WSNs
Sensors, 2019 Node position information is critical in wireless sensor networks (WSN). However, existing positioning algorithms commonly have the issue of low positioning accuracy due to noise interferences in communication.
Jing Chen +4 more
doaj +1 more source
THE PROBABILISTIC ANALYSIS OF RSSI-BASED DISTANCE ESTIMATORS IN WIRELESS SENSOR NETWORK
, 2007 It is well known that localization plays an important role in wireless sensor network applications. There are two categories of localization approaches, such as range-based and range-free.
Yu HB(于海斌) +2 more
core
, 2010 This paper investigates the possibility of implementing node positioning in the ZigBee wireless sensor network by using a readily available Received Signal Strength Indicator (RSSI) infrastructure provided by the physical layer of 802.15.4 networks.
Othman, ShaifullNizam, Mardeni, Roslee
core
Location estimation improvement by signal adaptive RSSI filtering
, 2014 Location estimating in indoor environments is an important research topic. RSSI can be expressed as a function of distance. RSSI based location estimating techniques are widely popular since no additional hardware is required However, RSSI measurements ...
Sertac Bugra Kaya +3 more
core +1 more source
WIFI RSSI előfeldolgozó könyvtár Androidra
, 2018 Within the frame of this paper, the author discusses the development of several WiFi RSSI filtering techniques, a client-side filtering application, and an RSSI pre-processing Android software library. Three implemented filters are presented.
Bogdándy, Bence
core
BarekengIncreasing life expectancy has resulted in a growing elderly population, making neurodegenerative conditions such as dementia a major global health issue.
Hani Rubiani +4 more
doaj +1 more source
Multiple Antennas Bluetooth System for RSSI Stabilization
, 2020 -In this paper we introduce a Bluetooth system which achieves an important improvement in the RSSI stability thanks to the use of multiple antennas. The main advantage of our system is that it reduces the effects produced by fading in the received signal
Carlos J Escudero +3 more
core
INDOOR POSITIONING WITH BLUETOOTH LOW ENERGY AND EXTENDED KALMAN FILTER
Електроніка та інформаційні технологіїBackground. Indoor positioning systems based on Bluetooth Low Energy (BLE) beacons widely rely on estimating distance using the received signal strength indicator (RSSI).
Tadei-Nazarii Kalynchuk
doaj +1 more source