Wireless Communication Technologies

Which type of transmission technique is employed by paging system?

• a) Multicasting

• b) Unicasting

• c) Hybrid

• d) Simulcasting

Which two channels are responsible for initiating mobile calls?

• a) FCC and RVC

• b) FVC and FCC

• d) FCC and RCC

• c) FVC and RVC

Which of the following is a CDMA standard of second generation network?

• a) ETACS

• b) IS-136

• c)IS-95

• d)EDGE

Which of the following leads to the 3G evolution of GSM, IS-136 and PDC systems?

• a) W-CDMA

• b) GPRS

• c)HSCSD

• d) EDGE

Which of the following is a universally adopted shape of cell?

• a) Circle

• b) Hexagon

• c) Square

• d) Triangle

Which of the following is associated with the handoff in first generation analog cellular systems?

• a) Breathing cell

• b) Locator receiver

• c) MAHO

• d) Cell dragging

Which of the following problem occur due to adjacent channel interference?

• a) Cross talk

• b) Missed calls

• c) Blocked calls

• d) Near-far effect

Which technology is used to serve the hard-to-reach places?

• a) Sectoring

• b) Microcell zone concept

• c) Cell splitting

• d) Cell dragging

What is the dimension of object as compared to wavelength of propagating wave when reflection occurs?

• a) Small

• b) Very small

• c) same

• d) Large

Which of the following explains the concept of diffraction ?

• a) Principle of Simultaneity

• b) Archimedes’ Principle

• c) Fresnel zone

• d) Pascal’s Principle