mobile satellite communication full report
#1

[attachment=3046]

Mobile Satellite Communication


Mobile Satellite system
Constellation Characteristics and Orbital parameters
Radio Link Design
Communicators
System Architecture


Satellite Location w.r.t. Orbital Plane System
Satellite Constellation
For constellation design
High elevation angle.
Low propagation delay.
Low battery consumption.
Inter- and intra- orbital interference in the proper
limit.
The no. of satellite being visible at any time within
a coverage area.


Network Procedure

Satellite cells and satellite location area.
Hand over management.
Intra-FES handover.
Inter-FES handover.
Resource management
CONCLUSION

Super GEO are in the development process.
Non-geostationary satellites are in the route to provide services.
Hybrid Constellation.
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#2
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INTRODUCTION
Mobile Satellite system
Constellation Characteristics and Orbital parameters
Radio Link Design
Communicators
System Architecture
Satellite Location w.r.t. Orbital Plane System
Satellite Constellation
For constellation design

• High elevation angle.
• Low propagation delay.
• Low battery consumption.
• Inter- and intra- orbital interference in the proper limit.
• The no. of satellite being visible at any time within a coverage area.
CONCLUSION
• Super GEO are in the development process.
• Non-geostationary satellites are in the route to provide services.
• Hybrid Constellation.
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#3
[attachment=14493]
This thesis is presented as part of Degree of
Master of Science in Electrical Engineering
Blekinge Institute of Technology
School of Engineering
Department of Applied Signal Process & Telecommunications
Supervisor: Dr. Abbas Mohammed
Examiner: Dr. Abbas Mohammed
Topics of Presentation
INTRO : Satellite Communication
In simplest form , a satellite communication can be thought of as a big microwave repeater in the sky. It contain several transponders
Satellite Transmission
Satellite launch appro 36000 km from the earth
Transponder are used in satellite
Classification of satellite communication
Satellites
Several types
1. GEOs - Geostationary earth orbit
2. LEOs - Low earth orbit
3. MEOs - Medium earth orbit
Geostationary satellite:
If the satellite is in a circular orbit 35,863km above the earth’s
surface and rotates in the equatorial plane of the earth, it will therefore rotate at exactly the
same angular speed as the earth and will remain above the same spot on the equator as the
earth rotates. The orbit must have an inclination angle of 0 degree.
Low earth orbit satellite
LEO satellites revolve on the lower orbit at less than 2000km. Proposed and actual systems
are in the range 500 to 1500km; it is obvious that they exhibit a much shorter period
typically between 95 to 120 minutes. The diameter of coverage is about 8000km
Conti………….
The practical use of the satellite requires the multiple orbital planes be used, each with multiple
satellites in orbit. Communication between two earth stations typically will involve handing
off the signal from one satellite to another.
Medium Earth Orbit
Medium Earth orbit satellites can be positioned somewhere in between LEOs and GEOs,
both in terms of their orbit, also in their advantages and disadvantages. The circular orbit is
at an altitude in the range of 5,000 to 12,000km, the period of the orbit is about 6 hours and
the diameter of coverage is from 10,000 to 15,000km
Different types of satellite orbits
Type of satellite
Astronomy satellites
Atmospheric Studies satellites – Polar
Communications satellites
Navigation satellites
Reconnaissance satellites
These are some pictures taken by the astronomy satellite Hubble of stellar phenomena like supernovas, distant galaxies, black holes
Atmospheric Studies satellites
They generally have pretty low Earth orbits so that they can study the Earth's atmosphere.
A more recent example of a satellite studying the atmosphere is NASA's Polar satellite.
Navigation satellites
Satellites for navigation were developed in the late 1950's as a direct result of ships needing to know exactly where they were at any given time. In the middle of the ocean or out of sight of land, you can't find out your position accurately just by looking out the window.
Reconnaissance satellites
They provide intelligence information on the military activities of foreign countries
The procedure of the mobile wireless network planning
Basic Propagation Mechanisms
Short History of Mobile
It was basically started in Germany in 1958.
In 1982 the European Conference of Postal and Telecommunications Administrations founded a working group.
1987 the Global System for Mobile (GSM) communications standard was available.
1991 in Switzerland the first devices are presented.
In 1995 SMS was available
What is Mobile ?
Moveable Device
One(single) device can create Network, But can not Communicate himself
Mobile IP
Mobile registration
Unicast MANET & Work
Route Discovery
Data Forwarding
Route Maintenance
Multicasting for MANET
A wireless computer can "roam" from one access point to another, with the software and hardware maintaining a steady network connection by monitoring the signal strength from in-range access points.
Future Topic for the research:
Try to reduce the concept of the Roaming in the future.
When two person communicate then they can see the area(place) of each other.(3G-Technology)
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#4
to get information about the topic future satellite communication full report ,ppt and related topic refer the page link bellow

http://studentbank.in/report-trends-in-s...unications

http://studentbank.in/report-optical-sat...d-abstract

http://studentbank.in/report-optical-sat...ars-report

http://studentbank.in/report-satellite-c...7#pid40617

http://studentbank.in/report-mobile-sate...ull-report

http://studentbank.in/report-satellite-c...ull-report

http://studentbank.in/report-future-sate...tion--5509
http://studentbank.in/report-future-sate...munication

http://studentbank.in/report-satellite-c...pdf-report

http://studentbank.in/report-future-sate...509?page=3
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