Download GTU BE/B.Tech 2018 Winter 7th Sem New 2170710 Mobile Computing And Wireless Communication Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2170710 Mobile Computing And Wireless Communication Previous Question Paper

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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2170710 Date: 26/11/2018

Subject Name: Mobile Computing and Wireless Communication

Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) What is ARQ? What is importance of it? 03
(b) What is noise? Discuss briefly types of noise and its effect on
transmission signal.
04
(c) Compare and contrast OSI model and TCP/IP protocol architecture. 07

Q.2 (a) What do you mean by channel capacity? What are the factors that
affect it?
03
(b) Differentiate circuit switching and packet switching 04
(c) What is Mobile IP? Explain discovery, registration and tunneling in
Mobile IP.
07
OR
(c) What is Direct Sequence Spread Spectrum technology? How does it
work in CDMA technology?
07
Q.3 (a) Compare GSM and CDMA technology. 03
(b) Explain various transmission media w.r.t. merit, demerits and
application of each.
04
(c) Explain functional architecture of GSM system and types of services
provided by GSM.
07
OR
Q.3 (a) Define IMSI, IMEI and MS-ISDN and write significance of each. 03
(b) What is Handover? Explain types of it in brief. 04
(c) Explain IEEE 802.11 architecture and services. 07
Q.4 (a) Define following.
1) Fading
2) Modulation
03
(b) What are HLR and VLR? Describe its functions in call routing and
roaming.
04
(c) Draw and explain Bluetooth Protocol Architecture. 07

OR

Q.4 (a) Define ASK, FSK & PSK. 03
(b) Describe Error Control Coding in brief. 04
(c) Discuss the network elements in GPRS that are different from GSM.
Also discuss applications and limitations of GPRS.
07
Q.5 (a) Explain Android TextView control with an example. 03
(b) How billing and charging functions are handled in GPRS? 04
(c) Explain different layouts in Android. 07
OR

Q.5 (a) Explain Android ButtonView control with an example. 03
(b) Discuss briefly: Limitations of GPRS. 04
(c) Explain Android architecture with diagram. 07
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