Results 101 to 110 of about 18,657 (279)
Analysis of Latency Performance of Bluetooth Low Energy (BLE) Networks
Sensors, 2014 Bluetooth Low Energy (BLE) is a short-range wireless communication technology aiming at low-cost and low-power communication. The performance evaluation of classical Bluetooth device discovery have been intensively studied using analytical modeling and ...
Keuchul Cho +6 more
doaj +1 more source
Estudi sobre Bluetooth low energy [PDF]
, 2017 Amb l'estudi sobre Bluetooth Low Energy es pretén entendre el funcionament i el paper d'una de les tecnologies wireless més conegudes en el món actual, el Bluetooth LE.
Crespi Asensio, Sergi
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
A Protocol-Channel-Based Indoor Positioning Performance Study for Bluetooth Low Energy
IEEE Access, 2018 Bluetooth low energy (BLE) technology coupled with fingerprinting provides a simple way to position users with high accuracy in indoor environments. In this paper, we study the effect of BLE protocols and channels on indoor positioning using different ...
Gabriel De Blasio +4 more
doaj +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
Controlling Bluetooth low energy with Arduino [PDF]
, 2012 This project was started as a side project of a European Union funded project that creates power consumption metering systems for households. The goal of the project is to create a library for Arduino which would be controlling the Bluetooth Low Energy ...
Huru, Ilpo
core
Advanced Science, EarlyView.A soft hybrid multi‐wavelength PPG wearable acquires neonatal signals. Synchronized PPG and invasive ABP data are segmented into fixed windows. A 1D‐EfficientNet model predicts segment‐level SBP and DBP. Model performance is examined with retrospective subgroup analysis across acquisition conditions.
Wenqi Shi +12 more
wiley +1 more source
IPv6 Mesh over BLUETOOTH(R) Low Energy using IPSP [PDF]
, 2019 RFC 7668 describes the adaptation of 6LoWPAN techniques to enable IPv6 over Bluetooth low energy networks that follow the star topology. However, recent Bluetooth specifications allow the formation of extended topologies as well.
Spoerk, Michael +3 more
core +2 more sources
, 2012 Opinnäytetyössäni esittelen Bluetooth low energyn eri osa-alueita. Historiassa käsittelen miten Bluetooth sai alkunsa ja kuinka siitä muodostui yksi tärkeimmistä langattomista teknologioista.
Nikki, Juha-Matti
core
Advanced Electronic Materials, EarlyView.This paper reviews the physics of liquid metals in RF devices, including the influence of mechanical strain on resonance as well as fabrication methods and strategies for designing tunable and strain‐tolerant inductors, capacitors, and antennas.
Md Saifur Rahman, William J. Scheideler
wiley +1 more source