Results 91 to 100 of about 6,781 (255)
Occupancy Monitoring Using BLE Beacons: Intelligent Bluetooth Virtual Door System
SensorsOccupancy monitoring (OM) and the localization of individuals within indoor environments using wearable devices offer a very promising data communication solution in applications such as home automation, smart office management, outbreak monitoring, and ...
Nasrettin Koksal +3 more
doaj +1 more source
Advanced Science, EarlyView.A graphene‐based electrical biosensor enables rapid and highly sensitive detection of GHB at 100 fm in both standard solutions and artificial urine, providing reliable point‐of‐need screening for drug‐facilitated sexual assault. The platform demonstrates strong selectivity, fast response, and a wide dynamic range, supporting accurate detection in ...
Jai Eun An +8 more
wiley +1 more source
CAAI Transactions on Intelligence Technology, EarlyView., 2023 Abstract The Internet of Things is emerging as a crucial technology in aiding humans and making their lives easier. Among the human population, a large percentage of people suffer from disabilities resulting in challenges in everyday life particularly people with visual disabilities.
Hania Tarik +8 more
wiley +1 more source
Model-Based Localization and Tracking Using Bluetooth Low-Energy Beacons
Sensors, 2017 We introduce a high precision localization and tracking method that makes use of cheap Bluetooth low-energy (BLE) beacons only. We track the position of a moving sensor by integrating highly unreliable and noisy BLE observations streaming from multiple ...
F. Serhan Daniş, Ali Taylan Cemgil
doaj +1 more source
Bluetooth low energy -kehitysympäristö [PDF]
, 2013 Insinöörityön tavoitteena oli suunnitella ja toteuttaa langaton sensorin mittausjärjestelmä. Testattavana sensorina toimi painesensori. Työn idea tuli Bonwell Intelligencen tarpeesta tutkia erilaisia langattomia mahdollisuuksia mittausjärjestelmän ...
Tervakangas, Sallamaari
core
Adaptive and Highly Efficient Thermoregulation Based on Multi‐Dimensional Janus Film
Advanced Science, EarlyView.A switchable TiO2/MXene/PDMS Janus membrane enables dual‐mode radiative cooling and solar heating, achieving sub‐ambient cooling of 17.89°C and above‐ambient heating of 13.82°C. Adaptive temperature regulation was demonstrated with a low power integrated autonomous smart curtain system, providing a sustainable and energy‐efficient alternative for ...
Yuqing Shi +6 more
wiley +1 more source
Advanced Science, EarlyView.ABSTRACT Atrial fibrillation (AF) increases the risk of stroke and heart failure, yet accurate quantification of AF burden in daily life remains difficult. Although smartwatch photoplethysmography (PPG) supports continuous monitoring, complex rhythms and signal noise can impair burden estimation.
Song Zuo +27 more
wiley +1 more source
Overview and Evaluation of Bluetooth Low Energy: An Emerging Low-Power Wireless Technology
Sensors, 2012 Bluetooth Low Energy (BLE) is an emerging low-power wireless technology developed for short-range control and monitoring applications that is expected to be incorporated into billions of devices in the next few years.
Josep Paradells +2 more
doaj +1 more source
Bluetooth Low Energy (BLE) i njegove primjene
, 2021 Bluetooth Low Energy (BLE) predstavljen je u inačici Bluetooth 4.0., sa svojstvom smanjene potrošnje energije uređaja koji međusobno komuniciraju. BLE radi u pojasu širine 2.4 GHz (ISM) koji je segmentiran u 40 radio frekvencijskih kanala, svaki širine po 2 MHz gdje se tri posljednja kanala koriste za oglašavanje a preostalih 37 za prijenos podataka ...
openaire +1 more source
Positioning and Routing with Bluetooth Low Energy [PDF]
, 2016 This thesis report is based on the investigation and application of Bluetooth technology, in specific Bluetooth Low Energy. Bluetooth Low Energy (BLE) refers to Bluetooth 4.0 or above Core Specification, which emphasizes low power consumption, low cost ...
Trinh, Tung
core