• Explain RF propagation
• Describe the importance of transmission lines in RF systems.
• Recognise the issues in RF systems.
• Describe transmission measurements.

Duration: 3 days

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Advanced RF training course contents

RF propagation
The Electromagnetic SpectrumElectromagnetic RadiationSpherical Wave FrontThe Space WaveReceive Antenna below the HorizonBending the Space WaveSurface Wave PathTilting of Surface WaveConductivityLayers of the AtmosphereVariations of the IonosphereVariations caused by Solar ActivityMulti Hop TransmissionClassification of Radio WavesFadingFading ReductionFree Space Path LossShadowing of Radio WaveSignal Levels after ShadowingRadio Waves as WaveletsFresnel Zone

Transmission Lines
Transmission Line ConstructionPrimary Line Constants‘T’ NetworksInput ImpedenceLossless Unbalanced LineStanding WavesOpen Circuit / Short Circuit TerminationShort Circuit Standing WavesOpen Circuit Standing WavesVoltage Standing Wave PatternShort Circuit TerminationOpen Circuit TerminationThe Directional CouplerEffect of E and M CouplingPractical Reflectometer

Antennae Theory
The Open Circuit LineDipole V/I DistributionPolar DiagramPower Pattern ½ Wave Dipole, Half Wave Dipole, Vehicle MountCentre Fed Whip AntennaAntenna BeamwidthThe Yagi ArrayUda Yagi arrayAntenna Characteristics6 Element Yagi Polar DiagramLog Periodic AntennaHelical Antenna Microwave Dish ArrayTypical Microwave Dish Antenna

Transmission Measurements
Transmission Measurements, Effective Isotropic Radiated PowerFade Margin

Noise
Noise in CommunicationsNoise Voltage Equivalent Circuit

Satellite Communications
Satellite Communications, Large Earth StationThe Satellite PayloadGeo Stationary OrbitBasic OrbitsVSAT TerminalIridium PhoneThe Space SegmentSatellite FootprintTypical System Hardware

Mobile Communications
Mobile EvolutionThe Path to UMTSTechnologies Bit Rate and MobilitySystems and SpecificationsWireless NetworksDiffractionMulti Path PropagationLoss ModelsGSM ArchitectureOSI Model – GSMOSI Reference ModelOSI Layers.