Abstract
LEO is Low Earth Orbit satellite.It circulates on a lower orbit in a shorter period . Additionally LEO systems try to ensure a high elevation for every spot of the earth to provide a highquality communication page link . The networks will play an important role in the evolving information infrastructure . It provides communication with shorter endto- end delays and e_ciency frequency usages . Some problems need to be solved before LEO satellite system can be successfully deployed . One of these problems is handover management . Even ....etc

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William StallingsData and Computer Communications7th Edition



Frequency Domain Concepts

Signal usually made up of many frequencies

Components are sine waves

Can be shown (Fourier analysis) that any signal is made up of component sine waves

Can plot frequency domain functions

Spectrum & Bandwidth


.Spectrum
range of frequencies contained in signal
.Absolute bandwidth
width of spectrum
.Effective bandwidth
Often just band ....etc

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communications satellite

communications is an artificial satellite stationed in space for the purpose of telecommunications. Modern communications satellites use a variety of orbits including geostationary orbits, Molniya orbits, otherelliptical orbits and low (polar and non-polar) Earth orbits.For fixed (point-to-point) services, communications satellites provide a microwave radio relay technology complementary to that of submarine communication cables. They are also used for mobile applications such as communications to ships, ve ....etc

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ADVANCEMENTS IN SATELLITE COMMUNICATION

Presented By:
ASHISH JAIN
SRINIVAS.K
E.C.E (II/IV).
RAGHU ENGG.COLLEGE.
ANDHRA PRADESH.


ABSTRACT:


Satellites have evolutionized communication. Satellite communication has served mankind in many ways for instance its is used to predict weather and broadcast storm warnings and also provides a wide range of communication services in the fields of relaying television programs, digital data for a multitude of business services. It might not surprise us if ....etc

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