Innovative
Practices – Cell Phone Mechanism
Section: A - Answer all the questions (10 × 2 = 20 Marks)
1) Define Protocol.
2) Define Signaling.
3) What is mobile?
4) What about cordless phones?
5) What is the world’s first network to do so?
6) What is SIM card?
7) Why Cellular Mobile Radio System?
8) Define power off mode.
9) Do cell phones cause tumors?
10)
Is it safe to live or work on the top floor of a building that has a mobile
phone base station antenna on it?
Section: B - Answer all question,
either ‘a’ or ‘b’ (5 × 5 = 25 Marks)
11) a) What are Analog and digital signal? What is
the need for modulation?
(or)
b) What is data communication? How their
efficiency is valued? Explain about three types of communication channels?
12) a) Explain about cell phone working?
(or)
b)
Explain about various types of Cell site.
13) a) Write a note on i) List of mobile codes ii)
SID and ESN
(or)
b)
Explain about Handoff process with examples.
14) a) Explain MSC, BTS, BSC in cellular
communication systems.
(or)
b)
Explain about various types of modes used in cell phone.
15) a) Explain about any five types of codes used
in cell phone.
(or)
b) Explain
about various types of SIM card problems.
Section: C – Answer any THREE of the
following (3
× 10 = 30 Marks)
16) With neat block diagram explain the basic
receiver circuit.
17) What is cell? Explain about cell splitting
with neat diagram.
18) Explain about call processing.
19) With neat block diagram, explain the typical
cellular transceiver.
20) Explain about integrated circuit cellular
radio.
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