EC8094 Satellite Communication

               EC8094 Satellite Communication 

                                  Stuff Sector

Prepared by  
      Santhosh (Admin) 

Important questions 

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UNIT 1

  1. Equation for Satellite orbit**
  2. Types of orbit full topic++
  3. Satellite lauch vehicle
  4. Liquid propulsion system
UNIT 2
  1. Space segment for Satellite system
  2. Tracking satellite ,function of TTC system**
  3. Transponders,satellite attitude &control*++
UNIT 3
  1. EIRP,Antenna gain measurement related problems(read all formulas final equation atleast to attend sums properly)**
  2. Satelllite uplink&downlink analysis,design&link budget **++
UNIT 4
  1. TDMA,CDMA**
  2. FDMA/TDMA(Broad signal processing)
  3. Tranmitter receiver earth stations*++
  4. coding schemes(Rare)
UNIT 5
  1. LEO,MEO ,(DBS/DTH)broadcasting satellite** or
  2. GPS full topic **++

**Problems may be asked based on this topic nd IMPORTANT Question

(++) Added repeated questions

Read all formulas final equation atleast to attend sums properly)**

PART-C

1.Compulsory Questions {a case study where the student will have to read and analyse the subject }

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Syllabus

UNIT I SATELLITE ORBITS  
Kepler‟s Laws, Newton‟s law, orbital parameters, orbital perturbations, station keeping, geo stationary and non Geo-stationary orbits – Look Angle Determination- Limits of visibility – eclipse-Sub satellite point –Sun transit outage-Launching Procedures - launch vehicles and propulsion.
UNIT II SPACE SEGMENT     
Spacecraft Technology- Structure, Primary power, Attitude and Orbit control, Thermal control and Propulsion, communication Payload and supporting subsystems, Telemetry, Tracking and command-Transponders-The Antenna Subsystem.
UNIT III SATELLITE LINK DESIGN   

Basic link analysis, Interference analysis, Rain induced attenuation and interference, Ionospheric characteristics, Link Design with and without frequency reuse.

UNIT IV SATELLITE ACCESS AND CODING METHODS
Modulation and Multiplexing: Voice, Data, Video, Analog – digital transmission system, Digital video Broadcast, multiple access: FDMA, TDMA, CDMA, DAMA Assignment Methods, compression – encryption, Coding Schemes.
UNIT VSATELLITE APPLICATIONS   
INTELSAT Series, INSAT, VSAT, Mobile satellite services: GSM, GPS, INMARSAT, LEO, MEO, Satellite Navigational System. GPS Position Location Principles, Differential GPS, Direct Broadcast satellites (DBS/DTH).

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