Title :
Microwave antenna self-directing system
Author :
Ratej, Boris ; Chowdhury, Amor ; Svecko, R.
Author_Institution :
Adv. Res. Centre, Maribor, Slovenia
Abstract :
The article describes the synthesis and development of adequate hardware and software for automatic microwave link connection between mobile reporter vehicle and the radio centre. The whole device is built from five components micro-controller system, communication-navigation unit, device driver unit, power supply unit, and user interface. The core of the device is micro-controller system, which is providing all the needed intelligence. The communication-navigation unit is compound from the GSM modem with integrated GPS navigation system and electronic compass. GPS is the source for the vehicle position data, which is not enough for automatic microwave link establishment. Because of that the electronic compass is added. The GSM modem has also a role of communication backup in case when microwave link is not possible to restore. Another important unit is user interface, which is enabling a manipulation with the device. The device has three important operation modes, which are self-testing, microwave link and GSM link mode. Itch operation mode is described with the state-diagrams. By the software design a special care was taken on device reliability. So with the goal to get a reliable device, the algorithms and software for self-testing and error discovering have been developed and implemented. Finally, the functional value of the device has been proven with the laboratory tests.
Keywords :
Global Positioning System; cellular radio; microcontrollers; microwave antennas; microwave links; modems; radionavigation; user interfaces; GPS navigation system; GSM modem; Global Positioning System; automatic microwave link; communication-navigation unit; device reliability; electronic compass; global system for mobile communications; microcontroller system; microwave antenna selfdirecting system; mobile reporter vehicle; radio centre; software design; state diagrams; user interface; vehicle position data; Built-in self-test; GSM; Global Positioning System; Microwave antennas; Microwave communication; Microwave devices; Mobile communication; Modems; User interfaces; Vehicles;
Conference_Titel :
Industrial Technology, 2003 IEEE International Conference on
Print_ISBN :
0-7803-7852-0
DOI :
10.1109/ICIT.2003.1290808