Course detail
Radio Links Design
FEKT-MNRSAcad. year: 2012/2013
Radiocommunication services, exploitation of radio spectrum. Antenna parameters, link budget, conditions of radiocommunication, quality and reliability. Propagation of radio waves close to Earth surface, space and surface wave. Terrain profile and obstacle losses. Digital model of terrain, computer aided design. Service area of broadcast and TV transmitters, statistic estimate of signal level. Influence of atmosphere on radio links. Design of ionospheric links, optimization of operating frequency, field strength, fading and reliability of ionospheric communication. Microwave links. Radio-relay links, effects of fading in digital links, diversity. Passive repeaters. Mobile radio networks, cellular structures, transmission channels, operation in cellular networks, effect of terrain and buildings, fading, and multipath propagation. Propagation models for macrocells, microcells, and picocells. Indoor radiowave propagation. Ray-tracing, ray-launcing. Influence of radio waves on humans, limits of radiation, project documentation.
Language of instruction
Number of ECTS credits
Mode of study
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Department
Learning outcomes of the course unit
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
Electromagnetic wave, antenna parameters, link budget, conditions of radio communication in partial frequency ranges.
Propagation of radio waves close to Earth surface, space and surface wave, calculation of field strength, obstacle losses, digital model of terrain profile, link design.
Service area of broadcast- and TV- transmitters and of radio networks, CAD of service area
Influence of atmosphere on radio links.
Ionospheric links, operating frequency, field strength, fading and reliability. Design of ionospheric link.
Microwave links, conceptions, terrain profile, level diagram, fading, reliability of links.
Transmission of digital signals, quality parameters, diversity. Radio-relay links and their design, active and passive relay.
Mobile radio communication and propagation, fading, multipath propagation. Propagation models for macrocells and microcells. Influence of built up area and vegetation on propagation.
Propagation models for picocells. Indoor radiowave propagation. Link design.
Modeling of radi wave propagation by ray-tracing, and ray-launcing.
Influence of radio waves on humans, limits of radiation.
Projects of radio links.
Work placements
Aims
Specification of controlled education, way of implementation and compensation for absences
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Basic literature
Recommended reading
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
Conditions of radiocommunication in partial frequency ranges
Propagation of radio waves, calculation of field strength, obstacle losses, digital model of terrain profile
Service area of broadcast- and TV- transmitters and of radio networks, CAD of service area
Microwave links, conceptions, terrain profile, level diagram, fading, reliability of link
Analog and digital signals transfer, quality parameters, diversity
Radio-relay links and their design, active and passive retranslating. Interference in radio-relay links.
Radio networks, organisation of communication, service area,
Cellular structures, frequency planning and operation
Service area in real terrain and urban area, models for propagation of radio waves, CAD
Ionospheric links, operating frequency, field strength, fading and reliability. Design of ionospheric link
Limits of radiation in radio networks, field strength in given sectors of radiation, hygienic limits
Projects of radio links, licence procedure
Exercise in computer lab
Teacher / Lecturer
Syllabus
Service area of TV transmitters
Microwave link design
Ionospheric link design