National University of Sciences and Technology;
Islamabad;
Pakistan;
Department of Electronic and Computer Engineering Brunel University;
West London;
UK;
Laboratoire de Conception Fabrication Commande;
Ecole Nationale Supérieure d’Arts et Métiers;
Metz;
France;
Bluetooth; Localization; Navigation; Assistance; Received; Signal; Strength; Indicator; Visually; Impaired;