Q. The Teledesic project was started in 1990 by

View solution

Q. The third generation of cellular telephony refers to a combination of technologies that provides

View solution

Q. In cellular telephony, the Electronic Serial Number (ESN) is unique for each

View solution

Q. The Global star system has used

View solution

Q. Through a roaming contract, neighboring service providers can provide

View solution

Q. The pilot channel that is used for the purpose of control and synchronization in Interim Standard 95 (IS-95) forward transmission is

View solution

Q. In Satellite Networks, the orbit can be equatorial, inclined, or

View solution

Q. One satellite in orbit has line-of-sight with vast number of

View solution

Q. The technique used for the reverse channels of the Interim Standard 95 (IS-95) is

View solution

Q. In Satellite Networks, the signal power of the footprint is maximum at the

View solution

Q. Medium-Earth-orbit (MEO) satellites are positioned between the two

View solution

Q. In the Iridium system, communication between two users takes place through

View solution

Q. Digital Advance Mobile Phone Service (D-AMPS) was designed to be backward-compatible with

View solution

Q. In cellular telephony, communication must first be broken with the previous base station, when one cell move to another in

View solution

Q. A mobile station only communicates with one base station, in a

View solution

Q. In Satellite Networks, as we move out of the footprint center, the power

View solution

Q. In Global Service for Mobile (GSM), each band is divided into 124 channels of

View solution

Q. UML stands for

View solution

Q. In forward transmission of Interim Standard 95 (IS-95), for control and synchronization there are

View solution

Q. Personal Communication Service (PCS) offers communication service such as

View solution