Q. In Iridium system, the system can have up to

View solution

Q. D-AMPS is a digital cellular phone system using

View solution

Q. A Person should be able to talk to anyone else in the world with a voice quality similar to that of the existing fixed telephone network with a

View solution

Q. The categories of satellite are

View solution

Q. Geostationary satellite cannot cover the whole

View solution

Q. In Interim Standard 95 (IS-95) forward transmission, the scrambling is done to create

View solution

Q. Low Earth Orbit (LEO) satellites has a speed of

View solution

Q. When a mobile phone is called, the telephone central office sends the number to the

View solution

Q. The L band has the Up-link of

View solution

Q. Satellites process microwaves with bidirectional antennas, which is

View solution

Q. In cellular telephony, voice communication using analog signals was designed for the

View solution

Q. In Global Service for Mobile (GSM), each voice channel is digitized and compressed to a digital signal of

View solution

Q. The satellite must move at the same speed as the Earth, to ensure the constant

View solution

Q. The scrambling signal is produced from a

View solution

Q. Another use of GPS is in

View solution

Q. The Iridium System was materialize in

View solution

Q. In geostationary orbit, the satellites are used for

View solution

Q. For digitized voice communication, the second generation was mainly

View solution

Q. Low Earth Orbit (LEO) satellites are close to

View solution

Q. Each satellite of the Iridium system is at an altitude of

View solution