Wednesday, 12 March 2008

wcs23 solution 10

1. The area of a cell is approximately how many square miles?
b. 10

2. The device that connects a base station with a wired telephone network is the MTSO.

3. Each of the following is a valid cellular telephone code except Digital Serial Code (DSC).

4. Handoff occurs when a user begins moving toward another cell and the phone automatically associates with the base station of that cell.

5. The special frequency that a cellular phone and base station use for exchanging setup information is called the control channel.

6. First Generation (1G) networks use analog signals, and the maximum transmission speed is 9.6 Kbps. True.

7. 1G technology is based on Advanced Mobile Phone Service (AMPS). True.

8. Division by frequency, so that each caller is allocated part of the spectrum for all of the time, is the basis of TDMA. False.

9. 2G systems use digital instead of analog transmissions. True.

10. There are two different technologies that are used with 2G—W-CDMA and CDMA2000. False

11. The primary difference between 2G and 2.5G networks is that 2.5G networks are packet switched instead of circuit-switched networks.

12. When migrating from a TDMA or GSM network, the next step would be to a GPRS network.

13. EDGE is considered a booster for GPRS systems and can transmit up to 384 Kbps.

14. Generation three is intended to be a uniform and global worldwide standard for cellular wireless communication.

1 comment:

Viola said...

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