Deep understanding of signal processing methods used in digital broadcasting systems. Ability to select system parameters for different types of transmission media and to perform frequency planning for various network configurations. Practical skills to design, implement, maintain and modify digital broadcasting systems. Ability to perform measurements, analysis and qualified evaluation of system characteristics.
- define basic types and characteristics of digital broadcasting systems
- explain signal processing methods in digital broadcasting systems
- analyze parameters that define relationship between overall and useful bit rates in different types of digital broadcasting systems
- compute spectrum efficiency in different types of digital broadcasting systems
- employ measurement techniques for digital television and interpret measurement results
- identify parameters that determines reception and picture/sound quality
Forms of Teaching
Experimental ExercisesInternship visits
|Type||Threshold||Percent of Grade||Threshold||Percent of Grade|
|Homeworks||0 %||10 %||0 %||10 %|
|Attendance||0 %||10 %||0 %||10 %|
|Mid Term Exam: Written||0 %||30 %||0 %|
|Final Exam: Written||0 %||50 %|
|Exam: Written||0 %||60 %|
|Exam: Oral||20 %|
Week by Week Schedule
- Model of digital broadcasting system, differences between different audio and video broadcasting systems, advantages and disadvantages of digital broadcasting systems. Frequency bands for broadcasting, frequency allocation.
- Video and audio signal characteritics. Transmission bit rates and bandwidth requirements for different signal types and formats.
- Digital Video Broadcasting Systems, system development, charasteristics of the first and the second generation.
- Multiplexing and transport stream formatting. Packet IDentification (PID). Decoding Time Stamp (DTS) and Presentation Time Stamp (PTS). Program Clock Reference (PCR). Encoder/decoder synchronization.
- Channel coding, Foreward Error Correction (FEC). Energy dispersal, outer coding (RS, Reed-Solomon), outer interleaving, inner coding (Viterbi), inner interleaving.
- Satellite broadcasting. Adaptation of transport stream to satellite transmission link, outer and inner coding, filtering, modulation.
- DVB-S/S2 system parameters: channel bandwidth, code rate, useful bit rate, required carrier-to-noise ratio. SDTV and HDTV signal distribution.
- Mid-term exam.
- Cable televsion. Adaptation of transport stream to cable-based transmission of broadcasting signals, error protection coding, byte-to-symbol conversion, differential coding, modulation.
- DVB-C/C2 system parameters: symbol duration, useful bit rate, bandwidth efficiency, required carrier-to-noise ratio. Thermal noise and intermodulation. Two-way transmission.
- User requirements for terrestrial transmission of DVB signals. Signal processing in DVB-T coder, choosing of COFDM parameters, transmission frame arrangement.
- DVB-T/T2 system parameters: number of carriers, guard interval length, bandwidth efficiency, required carrier-to-noise ratio.
- Delivery of broadcast services to mobile receivers. DVB-H systems parameters. Digital audio broadcasting system, system architecture, frequency bands, modes of operation.
- Broadcasting system planning criteria, minimum receiver signal input levels, protection ratios. Multi-frequency networks, single frequency networks, network gain.
- Measurement techniques for digital television: quality evaluation of video source coding, checking MPEG-2 transport stream, radio frequency measurements, objective and subjective picture quality measurements at receivers.