MULTILATERATION TECHNIQUE USING BURST SIGNAL TO DETECT CIVILIAN AIRCRAFT

• Main Author: Nabila, Haifa
• Format: Theses
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/49422
• Institution: Institut Teknologi Bandung

The technique of determining the target location is a very important and useful ability at this time. There are several techniques that are currently being developed, vary depending on the device, algorithm, and signal characteristics used. Each has advantages and disadvantages in terms of accuracy, deployment and operational costs, calculation complexity, and usage allotment. In this thesis a location determination technique is simulated in the form of a multilateration technique using burst signals from the target. Unlike the active radar, this technique does not require a transmitter itself, but uses a communication signal that is emitted by the target. In addition, this technique also does not decode the signal to find out the information in it, because it can be difficult to do when the signal is confidential. The development of the algorithm begins with simulations on MATLAB by modeling the process of transmitting and receiving aircraft's own signals. After that the signal location determination algorithm is arranged by utilizing the difference in signal arrival time information at the four receiving stations. After the simulation is able to produce good position accuracy from different target positions, a research setup is performed to prepare the implementation requirements. The implementation is carried out by receiving ADS-B signals from civil aircraft at four receiving stations. After that, the signal is sent to the central processing unit to be processed using a multilateration algorithm. After obtaining the calculation result, the calculation error is compared with the commercially available ADS-B platform. The calculation error is then analyzed as a result of this study.