Software Defined Radio Datalink Implementation Using PC-Type Computers Georgios Zafeiropoulos

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Software Defined Radio Datalink Implementation Using PC-Type Computers  by  Georgios Zafeiropoulos

Software Defined Radio Datalink Implementation Using PC-Type Computers by Georgios Zafeiropoulos
| Kindle Edition | PDF, EPUB, FB2, DjVu, audiobook, mp3, ZIP | 211 pages | ISBN: | 9.63 Mb

The objective of this thesis was to examine the feasibility of implementation and the performance of a Software Defined Radio datalink, using a common PC type host computer and a high level programming language. Dedicated transceivers were used,MoreThe objective of this thesis was to examine the feasibility of implementation and the performance of a Software Defined Radio datalink, using a common PC type host computer and a high level programming language.

Dedicated transceivers were used, plugged on the PCI bus of host PCs running Windows 2000. Most of the functionality was programmed using the Microsoft Visual C++ language. The tasks to be performed included the channels configuration (number of active channels, center frequencies, sampling and data rates, choice of the appropriate up and down conversion filters), the management of the data transfer between the host computer and the transceiver, the baseband data modulation and demodulation, and the data organization into packets with appropriate headers in order to achieve phase and time synchronization solely by software.

A part of the transceivers’ configuration was achieved using a configuration utility running in Excel, provided by the manufacturer. Several combinations of M-PSK modulation schemes, channel numbers and datarates were tested in order to measure the performance limits of the system and its ability to perform the required tasks in real-time. The received data streams were further analyzed with the use of Matlab, in order to verify the proper functionality of the communication scheme.



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