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Showing result 1 - 5 of 20 essays matching the above criteria.

  1. 1. Book retrieval system : Developing a service for efficient library book retrievalusing particle swarm optimization

    University essay from Uppsala universitet/Avdelningen för systemteknik

    Author : Adam Woods; [2024]
    Keywords : Particle swarm optimization; indoor positioning system; machine learning; Wi-Fi; RSSI; RTT; artificial neural network; ADAM optimizer; Keras; TensorFlow;

    Abstract : Traditional methods for locating books and resources in libraries often entail browsing catalogsor manual searching that are time-consuming and inefficient. This thesis investigates thepotential of automated digital services to streamline this process, by utilizing Wi-Fi signal datafor precise indoor localization. READ MORE

  3. 2. Ranging Error Correction in a Narrowband, Sub-GHz, RF Localization System

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Silvia Barrett; [2023]
    Keywords : Localization; Narrowband; Sub-GHz; Radio Frequency; RSSI; Time-of-Flight; Error mitigation; Machine Learning; Linear Regression; LeastSquares Support Vector Machine Regression; Gaussian Process Regression; Loalisering; Narrowband; Sub-GHz; Radiofrekvens; RSSI; Time-of-Flight; Felkorrigering; Machine Learning; Linear Regression; LeastSquares Support Vector Machine Regression; Gaussian Process Regression;

    Abstract : Being able to keep track of ones assets is a very useful thing, from avoiding losing ones keys or phone to being able to find the needed equipment in a busy hospital or on a construction site. The area of localization is actively evolving to find the best ways to accurately track objects and devices in an energy efficient manner, at any range, and in any type of environment. READ MORE

  4. 3. Study of antenna arrays for direction finding

    University essay from Umeå universitet/Institutionen för fysik

    Author : William Eriksson Selin; [2021]
    Keywords : aoa; aod; bluetooth 5.1; antenna; array; direction; finding; estimation; MUSIC; subspace; aoa; aod; bluetooth; antenn; antennmatris; riktningsestimation; riktningsidentifiering; MUSIC;

    Abstract : The new Bluetooth standard (Bluetooth 5.1) contains direction finding specifications. Specifications for received signal strength indicator(RSSI) using measures of signal strength in order to give a sense of how far away an object is has been present in earlier versions. READ MORE

  5. 4. Indoor Positioning and Machine Learning Algorithms

    University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Raavi Uttarwar; Julián Valentín; [2021]
    Keywords : Indoor Positioning; Machine Learning; Bluetooth Low Energy; Technology and Engineering;

    Abstract : This master thesis focuses around improving the efficiency and accuracy of existing indoor positioning systems with the help of Machine Learning (ML). Our work is based on Bluetooth Low Energy (BLE) v5.1. Position estimation is currently being carried out using the Least-Squares (LS) method in the framework. READ MORE

  6. 5. Positioning and Tracking of Target Drone

    University essay from Linköpings universitet/Kommunikationssystem

    Author : Anna Hanström; Jet Verheij; [2021]
    Keywords : Tracking; drone; positioning; UAV; filter; RSSI; Interferometry; Particle filter; Kalman filter;

    Abstract : This master thesis studied methods for tracking and localising a moving target from an autonomous seeker drone. Feasible methods for automatic control of the seeker drone and different antenna configurations were explored as well. Two different tracking filters and two different controllers were tested for this purpose. READ MORE