Search Results for: rssi

Using Bluetooth Beacons to Measure Gait Speed

There’s recent research into using Bluetooth beacons to measure human gait speed. The ability to walk can be used as a core indicator of health in aging and disease. For example, it can enable early detection of cognitive diseases such as dementia or Alzheimer’s disease. Researchers at Universitat Jaume I and University of Extremadura, Spain, … Continue reading “Using Bluetooth Beacons to Measure Gait Speed”

iBeacon Deployment Performance Evaluation

There’s recent work by researchers at Hong Kong Polytechnic University on Performance Evaluation of iBeacon Deployment for Location-Based Services in Physical Learning Spaces. The paper examines signal availability, signal stability and position accuracy under different environmental conditions. The aim was to provide recommendations for iBeacon deployment location, density, transmission interval and fingerprint space interval. While … Continue reading “iBeacon Deployment Performance Evaluation”

Bluetooth Sleuth App

There’s a new app Bluetooth Sleut‪h by Sean McNeil for iPhone, iPad and Mac. The app scans for advertising devices, optionally with a specific CoreBluetooth UUID, and displays them including RSSI (signal strength). It can connect to devices that are connectable and then browse device the Bluetooth Services and Characteristics. For iBeacons, it’s also possible … Continue reading “Bluetooth Sleuth App”

Improving iBeacon Location Accuracy

There are lots of ways of processing Bluetooth signal strength (RSSI) to determine location. Being based on radio, RSSI suffers from fluctuations, over time, even when the sender and receiver don’t move. The College of Surveying and GeoInformatics, Tongji University, Shanghai , China has new research on iBeacon-based method by integrating a trilateration algorithm with … Continue reading “Improving iBeacon Location Accuracy”

Differences in Beacon System on a Chip (SoC)

You can find the processor chip in the specification section of our beacon descriptions. Most people don’t know what this means or implies. This article will help you make a more informed choice. There are currently three main chip families from Texas Instruments (CC25xx, CC26xx), Dialog Semiconductor (DAxxxx) and Nordic Semiconductor (nRF51xxx and nRF52xxx). These … Continue reading “Differences in Beacon System on a Chip (SoC)”

iBeacon Deployment Parameters for Locating

Researchers from the The Hong Kong Polytechnic University have a new paper on Performance Evaluation of iBeacon Deployment for Location-Based Services in Physical Learning Spaces (pdf) that tests environmental and deployment factors, indoors and outdoors, related to using ibeacons for locating. It provides recommendations for iBeacon deployment in terms of location, density, transmission interval, fingerprint … Continue reading “iBeacon Deployment Parameters for Locating”

Bluetooth App Insights from VMWare Pivotal Labs

VMware Pivotal Labs recently released Herald open source contact tracing for iOS and Android. Pivotal Labs was previously awarded three contracts worth £4.8m to develop a contact tracing app for the United Kingdom only for it to be abandoned for a new app based on the Google/Apple contact tracing mechanism. Herald can’t be used for … Continue reading “Bluetooth App Insights from VMWare Pivotal Labs”

Using AI Machine Learning to Infer Distance

There’s new research by Guglielmo Marconi University and University of Rome “Tor Vergata”, Italy on Indoor Localization System Based on Bluetooth Low Energy for Museum Applications. The use of location in museums allows personalised tour guidance and on-demand exhibit information to be provided. Location also allows analysis of visitor flows to better design spaces through … Continue reading “Using AI Machine Learning to Infer Distance”