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Transmission Technologies

Pathloss 4 & 5 Workshop

Course Objectives:

At the end of the workshop participants will be able to:

  • Understand General Program Operation and detailed functions of all the Pathloss software Modules.
  • Understand the meanings of different types of terrain data types, Geographic defaults, Datum and Ellipsoids, and their selection criteria
  • Basic procedures to create terrain profiles from primary and secondary terrain data files.
  • Carry out antenna centre line calculations and determine the minimum antenna heights which will result in acceptable diffraction loss at the lowest expected value of K with Pathloss diffraction Module
  • Determine the optimal space diversity antenna spacing to avoid simultaneous signal nulls (Reflection Module)
  • Generate Link Budgets and understand the significance of multipath propagation reliability and analyse microwave links
  • Understand and apply fade probability models and how to use the in Pathloss link predictions
  • Calculate diffraction loss of a radio wave propagating over irregular terrain using a number of diffraction models supported by Pathloss program
  • Conduct Interference calculations down to the composite threshold degradation of the victim receivers due to multiple interferers.

Pre-Requisite for Participants:

General Knowledge of Microwave Radio Communications Engineering Concepts.

Who Should Attend?

Telecommunication practising engineers, network designers, engineering managers and IT professionals working in mobile operators, Oil & Gas sector and solution vendors who are responsible for planning, managing, optimisation and maintenance of Transmission Network and systems.

Course Outlines:

  • Pathloss 5 Main Features
  • General Program Organisation
  • Over view of Pathloss 5 Modules
  • Terrain Data and Terrain databases
  • Basic Procedure to Create a Terrain profile
  • Geographic Defaults, Display Options, Profile Printing Options
  • Creating links
  • Profile Insertion
  • Antenna Heights Calculations (VHF-UHF Applications)
  • VHF-UHF Antenna Heights
  • Microwave Worksheet
  • Rain attenuation Calculations
  • Diffraction Module
  • Reflection Module and Reflection Analysis
  • Multipath Operation
  • Network Module Overview
  • Interference calculation procedure
  • Intensive Class Work using Pathloss Program
  • Microwave Antenna heights calculations, Reflection Analysis, Diffraction Loss Calculations

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