Question Paper Details:
University: Rajasthan Technical University
Course: B.Tech Computer science & engineering
Subject: Wireless Communication and Networks
Exam Year: Nov-Dec 2011
Year or Semester: Fourth year/ Seventh Semester
Paper Code: 7E4238
Course: B.Tech Computer science & engineering
Subject: Wireless Communication and Networks
Exam Year: Nov-Dec 2011
Year or Semester: Fourth year/ Seventh Semester
Paper Code: 7E4238
Unit-I
1.
a) Discuss the similarities and differences between a conventional cellular system and a satellite based cellular system. [Marks 8]
b) Explain the concept of frequency Reuse in detail. [Marks 8]
OR
1. Explain the techniques used for the improvement of coverage and capacity in cellular systems. [Marks 16]
Unit-II
2. a) Consider Global system for Mobile, which is a TDMA/FDD system that uses 25 MHz for forward link. Which is broken into radio channels of 200 KHz. If 8 channels (speech) are supported on a single radio channel, and if no guard band is assumed, find the number of simultaneous usrs that can be accommodated in GSM. [Marks 5]
b). Explain the concept of Localization and Calling. [Marks 7]
c). Give the System Architecture of GSM. [Marks 4]
OR
2. a) If a normal GSM time slot consists of six trailing bits, 8.25 guard bits, 26 training bits, and two traffic bursts of 58 bits of data, find the frame efficiency. [Marks 8]
b). Explain the need for specialized MAC in detail. [Marks 8]
Unit- III
3. a). Give an overview of IEEE 802.11 wireless LAN standard also give the channelization scheme for IEEE 802.11 b allover the World. [Marks 10]
b). Explain MAC Management and functions. [Marks 6]
OR
3. a). Give the Design goals; advantages and Disadvantages of wireless LAN [Marks 6]
b). Explain link Manger protocol in detail also explain L2CAP [Marks 6]
c). Which standards are followed by Bluetooth ? Explain. [Marks 4]
Unit-IV
4. a). Explain Destination sequenced distance vector routing (DSDV) for mobile Adhoc network.
[Marks 10]
b). Describe transaction-oriented TCP in detail. [Marks 6]
OR
4. a). Explain Temporary ordered routing algorithm (TORA) for mobile Adhoc network. [Marks 10]
b). Explain the concept of tunneling and encapsulation [Marks 6]
Unit-V
5. a). Explain the file systems used in support for mobility in wireless communication [Marks 8]
b). Describe wireless session protocol and wireless transaction protocol in detail. [Marks 8]
OR
5. a). Give the architecture of wireless application protocol also explain wireless data-gram protocol. [Marks 10]
b). Write short not on push/ pull services. [Marks 6]
About The Author
bkd
Bharat Kumar Dhaker Founder and Editor of ComputerSciencearticle.in, He is an Engineering[Computer Science] Student From Rajasthan. He has a knowledge of C, C++, Java, Adv. Java, HTML and little bit knowledge of PHP.
