ISBN 9788126540778,VSAT Networks

VSAT Networks

Author:

Gerard Maral

Rs637 Rs749 15% OFF

Availability: Available

Usually ships in: 2-3 business days

(Free Delivery)

We Accept
ISBN 9788126540778
Check delivery information
 
ISBN 9788126540778
Publisher

Wiley India Pvt Ltd

Publication Year 2013
ISBN-13

ISBN 9788126540778

ISBN-10 812654077X
Binding

Hardback

Edition 2nd
Number of Pages 294 Pages
Language (English)
Subject

Networking

Table of Contents
Introduction.
VSAT network definition.
VSAT network configurations.
User terminal connectivity.
VSAT network applications and types of traffic.
Civilian VSAT networks.
Military VSAT networks.
VSAT networks: involved parties.
VSAT network options.
Star or mesh?
Data/voice/video.
Fixed/demand assignment.
Frequency bands.
Hub options.
VSAT network earth stations.
VSAT station.
Hub station.
Economic aspects.
Regulatory aspects.
Licensing.
Access to the space segment.
Local regulations.
Conclusions.
Advantages.
Drawbacks.
Use of satellites for VSAT networks.
Introduction.
The relay function.
Transparent and regenerative payload.
Coverage
Impact of coverage on satellite relay performance.
Frequency reuse.
Orbits.
Newton's universal law of attraction.
Orbital parameters.
The geostationary satellite.
Orbit parameters.
Launching the satellite.
Distance to the satellite.
Propagation delay.
Conjunction of the sun and the satellite.
Orbit perturbations.
Apparent satellite movement.
Orbit corrections.
Doppler effect.
Satellites for VSAT services.
Operational aspects.
Installation.
Hub.
VSAT.
Antenna pointing.
The customer's concerns.
Interfaces to end equipment.
Independence from vendor.
Set-up time.
Access to the service.
Flexibility.
Failure and disaster recovery.
Blocking probability.
Response time.
Link quality.
Availability.
Maintenance.
Hazards.
Cost.
Networking aspects.
Network functions.
Some definitions .
Links and connections.
Bit rate.
Protocols.
Delay.
Throughput.
Channel efficiency.
Channel utilization.
Traffic characterization.
Traffic forecasts.
Traffic measurements.
Traffic source modeling.
The OSI reference model for data communications.
The physical layer.
The data link layer.
The network layer.
The transport layer.
The upper layers (5 to 7).
Application to VSAT networks.
Physical and protocol configurations of a VSAT network.
Protocol conversion (emulation).
Reasons for protocol conversion.
Multiple access.
Basic multiple access protocols.
Meshed networks.
Star-shaped networks.
Fixed assignment versus demand assignment.
Random time division multiple access.
Delay analysis.
Conclusion.
Network design.
Principles.
Guidelines for preliminary dimensioning.
Example.
Conclusion.
Radio frequency link analysis.
Principles.
Thermal noise.
Interference noise.
Intermodulation noise.
Carrier power to noise power spectral density ratio.
Total noise.
Uplink analysis.
Power flux density at satellite distance.
Effective isotropic radiated power of the earth station.
Uplink path loss.
Figure of merit of satellite receiving equipment.
Downlink analysis.
Effective isotropic radiated power of the satellite.
Flux density at earth surface.
Downlink path loss.
Figure of merit of earth station receiving equipment.
Intermodulation analysis.
Interference analysis.
Expressions for carrier-to-interference ratio.
Types of interference.
Self-interference.
External interference.
Conclusion.
Overall link performance.
Bit error rate determination.
Power versus bandwidth exchange.
Example.
Appendix 1: Traffic source models.
Appendix 2: Automatic repeat request (ARQ) protocols.
Appendix 3: Interface protocols.
Appendix 4: Antenna parameters.
Appendix 5: Emitted and received power.
Appendix 6: Carrier amplification.
Appendix 7: VSAT products.
References
Scroll