PRACTICAL POINT TO POINT VSAT TRAINING

PRACTICAL POINT TO POINT VSAT TRAINING BY NEONETWIRELESS NIG LTD

Who Should Attend

Technicians, operation staff, managers and engineers who need a technical introduction to SATCOM and VSAT.

OBJECTIVES

Upon completing of this course, attendees will be able to:

• Explain the basics of Satellite Communications (SATCOM)
• Define Very Small Aperture Terminals (VSAT)
• Understand VSAT services and features
• Understand VSAT architecture, system design , multiple access, modulation and coding schemes
• Step through VSAT propagation aspects and antennas
• Investigate the state of the art in new areas such as speech and video coding, and VSAT networking
• Understand VSAT subsystem & launching
• Understand VSAT link design and analysis
• Explain TCP/IP, VoIP and Video applied to VSAT
• Understand VSAT-base IP communications technologies
• define VSAT voice, video and data applications
• Step through VSAT installation, operation, maintenance and Troubleshooting

COURSE OUTLINE

Satellite Communications (SATCOM) Overview

• Communications Satellites
• Common Types of Satellites
  • Low Earth Orbit (LEO)
  • Geosynchronous Earth Orbit (GEO)
  • Medium Earth Orbit (MEO)
  • Highly Elliptical Orbit (HEO
• Very Small Aperture Terminal (VSAT) Networks
• What is a VSAT System?
• How does a VSAT Work?

VSAT Networks

• Deployment Options
• International and National
• VSAT Network Architecture
• Star and Mesh Topologies
• Traffic multiplexing
• Multiple access and Assignments Strategies
• Modulation and Modems
• Channel Characteristics
• Security and Encryption
• VSAT Service Provisions and Quality
• VSAT-based IP Communications Technology
  • VSAT Voice, Video and Data applications
  • Voice and Video over IP
  • VPN and Data Services
• VSAT Equipment
  • Basic VSAT Components
  • Transmitters
  • Antennas
  • Power Generation
  • Air Interfacing and Networking
  • Downconversion and Upconversion
  • VSAT Components: LNB, BUC, Cables, IDU/modem, Feed systems
  • VSAT Block Diagrams

VSAT Access Methods and Modulation

• Fixed Point-to-Point Links
• Bandwidth Sharing
• TDM, TDMA, FDMA, SCPC, DVB-RCS, DAMA, CDMA
• Modulation and Coding
  • Analog and Digital Modulation
  • BPSK, QPSK, 8PSK, 16QAM, 64QAM
  • Overview of Shannon's Theory
  • Symbol Rate and Bit Rate
  • Intersymbol Interference (ISI)
  • Forward Error Correction (FEC)

RF and Microwave applied to VSAT

• Electromagnetic Waves and Frequencies
• Amplitude, Frequency and Phase
• The Spectrum
• Bands: C, Ku, and Ka Band
• Signals and Noise
• Amplitude and frequency review;
• Overview of Watts, decibels, and gain
• Signal Power and Bandwidth
• Noise power and Bandwidth
• Overview of C/N and C/No, and Eb/No
• EIRP, G/T, SFD, Input/Output Backoff
• Link Budget
• Fade Levels
• Link Margins
• Availability
• Fade Countermeasures

Propagation Effects

• Blockage
• Free Space Loss
• Water Loss
• Rain Zones
• Elevation Effects
• Solar Transit Outages
• Transmitter Distortion Concepts
• Amplifier saturation
• Gain Compression
• Gain Expansion
• Distortion Spectrum
• Uplink Control Process

Earth Stations and VSAT Terminals

• Components in VSAT terminals
• BUCs, LNBs
• Antenna and Feed Systems
• Modems
• Large Earth Station Equipment
• Typical Block Diagrams

VSAT Antennas

• Types and Operating principles
• Gain
• Antenna Patterns
• Beamwidth and Diameter
• VSWR and Return Loss
• Sidelobes and Effects

VSAT Dish Pointing Concepts

• Latitude
• Longitude
• Azimuth
• Elevation
• GEO Arc
• AZ-EL Beam Movement Across the Arc

VSAT Footprints

• Downlink signal strength
• Downlink EIRP
• Uplink and Downlink Footprints
• Contours

Polarization

• Launching Linearly Polarized Waves
• Matching TX and RX Antenna Orientations
• Cross-Polarized Signals and XPD
• Pol Frequency Re-use and Cross-Pol Transponders
• Cross-Pol Interference
• Linear and Circular Polarization

Fundamentals of VSAT Installation and operation

• rReview of the VSAT Installation Process
• The key installation steps
  • Site Survey, Mounting the Outdoor Equipment, IFL and Grounding, Dish Pointing and Cross-Pol, Indoor Equipment, Testing the Link
• Importance of High Quality Installations
• Need for high-quality, interference-free installations
• Site Survey
• Line of Sight (LOS)
• Azimuth and Elevation
• Site Survey Checklist
• Equipment Installation
• Accurate Antenna Pointing
• Antenna AZ-EL Pointing
• Carrier Lineup and Cross-Pol Checks
• Grounding
• Lightning Strikes
• Maximizing Link Quality and Preventing Interference
• Indoor Electronics Installation
• IP Network Configuration Concepts
• Ethernet, Internet Protocol (IP)
• Overview of IP Addressing, IPCONFIG, DNS, and DHCP
• Configuration Gateways, Subnets, and Netmasks
• Proxies
• Troubleshooting and maintenance
• Common Field Mistakes
• Troubleshooting VSAT Link
• Troubleshooting Network, and Interference Problems
• Issues the DC Voltage Dop on Cables; Installing the IDU
• Finding the Terminal IP address
• Uplink alignment
• Preventive Maintenance                              

DURATION: 3 WEEKS

FEE:              N70,000