Chapter 1: Wireless Communication : Cellular Telephony

  Chapter 1: Wireless Communication : Cellular Telephony

1 mark

Q. Define femtocell.

Answer: In telecommunications, a femtocell is a small, low-power cellular base station, typically designed for use in a home or small business. 

Q. What do you mean by MTSO in GSM?

Answer: It stands for Mobile Telephone Switching Office. Currently called as Mobile Switching Centre (MSC).All the cell sites in a region are connected to this central office, where each MSC is connected to a number of BSCs. It controls all the cells and provides the interface between each cell and the main telephone office. It is a part of NSS (Network Switching subsystem) in GSM.

Q. Write the full form of GSM.

Answer: GSM stands for Global System for Mobile Communication.

--Q. What is handoff with respect to mobile communication.

Answer: 

-Q. Write down any two features of GPRS.

2.5 mark

Q. Draw block diagram of mobile handset.

Q. Write a short note on frequency reuse.

5 mark

Q. What is cell in cellular mobile system ? Explain frequency reuse concept with respect to mobile communication. How does "Handoff " take place in mobile communication.

Q. Draw and explain working of GSM architecture.

-Q. Draw and explain GPRS architecture.

Q. Explain the concept of cellular system and handover concept with reference to mobile communication.