|Name||Digital Switching Systems|
|Status||Compulsory/Courses of Limited Choice|
|Level and type||Undergraduate Studies, Academic|
|Field of study||Electronics and Telecommunications|
|Academic staff||Oļģerts Belmanis|
|Credit points||4.0 (6.0 ECTS)|
Introduction to telecommunication systems and services. Basics of digital circuit switching, time and space switches. Digital networks: component and multiplexing systems, main types of lines and trunks. Digital switching systems: comparison of EWSD and S12. Basics of packet switching and transmission. Difference between circuit and packet switching. Open system interface. ATM. Compromise between circuit and packet switching. .
Goals and objectives
of the course in terms
of competences and skills
|At the end of course students should be able to: - describe architecture and operation of the main switching nodes; - explain voice signal switching and transmission parameters and their interlinking; - describe time and space switching methods; - explain advantages and disadvantages of different types of switching nodes ; - explain switching processes between subscriber lines connected to different types of nodes; - describe router architecture and operation, explain necessity of switches; - explain switching processes and structure in different (size) performance routers; - explain principles of optical channel switching.|
Students are able to explain operation and difference of different switch types. Understand possibilities of using centralized and distributed control. - Test, presentation during seminar.
Students are able to compare switching facilities of circuit switching node and router. - Test, laboratory work.
Students are able to check MPLS labelled packet switching in laboratory. - Laboratory work.
Students are able to compare switch structure in different performance routers and their use in network. - Test, presentation during seminar, exam.
Students are able to explain connection establishing processes between subscriber lines connected to different types of switches - Test, presentation during seminar, exam.
Students are able to analyze voice signal switching process and virtual connection established over the Internet. - Test, presentation during seminar, exam.
|Course prerequisites||Understanding of computer architecture, digital device operation and basics of teletraffic theory.|