Satellite Communication - UNIT IV

Which multiple access technique is characterized by Preassigned FDMA, Demand-Assigned FDMA, and Spade System?

• TDMA

• CDMA

• FDMA

• SDMA

What is used for Carrier Recovery in communication systems?

• Preamble and Postamble

• Reference burst

• Unique Word Detection

• Traffic Data

Which technique involves Acquisition and tracking, Spectrum spreading and dispreading, and CDMA throughput?

• TDMA

• DSSS

• FDMA

• CDMA

What is the function of the Autocorrelation function in CDMA?

• Carrier Recovery

• Unique Word Detection

• Acquisition and tracking

• Spectrum spreading

Which access technique includes Preassigned TDMA and Demand-Assigned TDMA?

• FDMA

• CDMA

• TDMA

• SDMA

What is the purpose of the Unique Word Detection in communication systems?

• Traffic Data

• Network Synchronization

• Frame Efficiency and Channel Capacity

• Carrier Recovery

Which system uses the code signal in its operation?

• TDMA

• FDMA

• CDMA

• SDMA

What is the main function of the Reference burst in communication systems?

• Carrier Recovery

• Traffic Data

• Network Synchronization

• Frame Efficiency and Channel Capacity

Which technique involves Spectrum spreading and dispreading?

• FDMA

• TDMA

• CDMA

• SDMA

What is the role of the Spade System in multiple access?

• Carrier Recovery

• Network Synchronization

• Frame Efficiency and Channel Capacity

• Unique Word Detection