For digitized voice communication, the second generation was mainly __________
For digitized voice communication, the second generation was mainly __________
Each satellite of the Iridium system is at an altitude of __________
Each satellite of the Iridium system is at an altitude of __________
The satellite must move at the same speed as the Earth, to ensure the constant __________
The satellite must move at the same speed as the Earth, to ensure the constant __________
Low Earth Orbit (LEO) satellites are close to ____________
Low Earth Orbit (LEO) satellites are close to ____________
The term that is used to design to provide communication in between two moving units is called______________
The term that is used to design to provide communication in between two moving units is called______________
In cellular telephony, voice communication using analog signals was designed for the ________________
In cellular telephony, voice communication using analog signals was designed for the ________________
Satellites process microwaves with bidirectional antennas, which is _____________
Satellites process microwaves with bidirectional antennas, which is _____________
The mobile station moves from one cell to another during a ___________
The mobile station moves from one cell to another during a ___________
The Iridium System was halted in 1999 due to___________
The Iridium System was halted in 1999 due to___________
When a mobile phone is called, the telephone central office sends the number to the ______________
When a mobile phone is called, the telephone central office sends the number to the ______________
The Iridium System was materialize in ____________
The Iridium System was materialize in ____________
Another use of GPS is in _____________
Another use of GPS is in _____________
Satellite network is a combination of_____________
Satellite network is a combination of_____________
The L band has the Up-link of ______________
The L band has the Up-link of ______________
In Global Service for Mobile (GSM), each voice channel is digitized and compressed to a digital signal of ______________
In Global Service for Mobile (GSM), each voice channel is digitized and compressed to a digital signal of ______________
Middle Earth Orbit (MEO) are located at altitude in between ___________
Middle Earth Orbit (MEO) are located at altitude in between ___________
The scrambling signal is produced from a ________
The scrambling signal is produced from a ________
Teledesic has___________
Teledesic has___________
In geostationary orbit, the satellites are used for ____________
In geostationary orbit, the satellites are used for ____________
`In cellular telephony each slot holds ______________
`In cellular telephony each slot holds ______________