We have developed a sensor platform VESNA, distinguished by high processing capability, low power consumption and compatibility with a wide range of communication technologies. Modular design and open specifications of hardware and software provide easy and efficient adaptability to use in research, development or final products. Platform supports with vertical integration of wireless sensor networks technologies and semantic technologies, as well as with the use of machine learning algorithms and decision, a concept of service-oriented sensor network. In 2012, we developed a set of expansion boards that allow the realization of application-related functionality and transition into other communications networks. Through a series of digital and analog interfaces platform supports a wide range of sensors and actuators.
F.08 Development and manufacture of a prototype
COBISS.SI-ID: 25666599Based on the sensor platform VESNA we designed a system for the detection and analysis of spectrum occupancy in the ISM and UHF frequency bands. In Logatec we set up an open experimental sensor network LOG-a-TEC, which consists of more than 50 sensor nodes mounted on street lighting infrastructure. Experimental system provides an interface to interact with the sensor nodes, remote configuration of the experimental parameters, software sensor nodes update and supervisory functions for user management. Experimental network LOG-a-TEC is used in the 7FP project CREW and is dedicated to research and development, particularly in the areas of cognitive radio and cognitive networks.
F.08 Development and manufacture of a prototype
COBISS.SI-ID: 26260007In recent years, we developed for the need of Telekom Slovenia a series of software modules for the calculation of radio signal coverage. The modules are part of an open source geographic information system GRASS. Using Python script modules are implemented into unified information system of TS. In 2012, we have added to existing modules a module for calculating the propagation of radio waves in rural and urban areas, based on the principle of ray tracing method. This enables more accurate calculation of radio signal strength in both urban as well as rural areas with more complex terrain. Whereas the ray tracing method is computationally very demanding, we explore now the possibilities for its parallel implementation on the GPU.
F.07 Improvements to an existing product
COBISS.SI-ID: 26020391Within the ESA project SatProSi we developed a satellite receiver to measure the signal strength from the satellite Hotbird 6 at a frequency of 7.19 GHz. The receiver was designed in software radio SDR technology. For software design, we used the open source GNU Radio package, to capture the signal commercial parabolic antenna diameter of 1.2 m and LNB, which were connected to the USRP device. The receiver is intended for long-term monitoring of the satellite carrier and characterization of the propagation channel. The use of cheaper components has caused instability frequency of the received signal, which was solved with the implementation of specific programs PLL loop phase trapped. The system that we have built is more than ten times cheaper than a professional, functionally equivalent receiver, you can buy on the market.
F.06 Development of a new product
COBISS.SI-ID: 26091303A large survey about users’ security practices regarding mobile phone usage was conducted among 7172 students at 17 Universities in 10 Eastern and Southern Europe countries. We developed in cooperation with University of Ioaninna and Jozef Stefan Postgraduate School a system to pinpoint and educate mobile phone users with low security, thus helping them protect themselves. The system consists of software application, installed in mobile phones as well as of software and data bases, installed in the mobile telephony operators’ servers. Mobile telephony providers (by adopting this application), as well as manufacturers (by pre-installing it in their phones), could help mitigate the increased security threats by more effective protection of end users.
F.15 Development of a new information system/databases
COBISS.SI-ID: 26349095