Cellular Telephone and Satellite Networks Study Notes

PropellerAds
  • Cellular telephony provides communication between two devices. One or both may
    be mobile.
  • A cellular service area is divided into cells.
  • Advanced Mobile Phone System (AMPS) is a first-generation cellular phone
    system.
  • Digital AMPS CD-AMPS) is a second-generation cellular phone system that is a digital version of AMPS.
  • Global System for Mobile Communication CGSM) is a second-generation cellular phone system used in Europe. Interim Standard 95 CIS-95) is a second-generation cellular phone system based on CDMA and DSSS.
  • The third-generation cellular phone system will provide universal personal communication. A satellite network uses satellites to provide communication between any points on Earth.
  • A geostationary Earth orbit CGEO) is at the equatorial plane and revolves in phase with Earth.
  • Global Positioning System CGPS) satellites are medium-Earth-orbit (MEO) satellites that provide time and location information for vehicles and ships.
  • Iridium satellites are low-Earth-orbit (LEO) satellites that provide direct universal voice and data communications for handheld terminals.
  • Teledesic satellites are low-Earth-orbit satellites that will provide universal broadband Internet access.

 

Try Now – Data Communication and Networking MCQs
Practice Now – Data Communication and Networking Online Tests