EC2043 Wireless Networks B.E Model Question Paper : aalimec.ac.in

Name of the College : Aalim Muhammed Salegh College of Engineering
University : Anna University
Department : Electronics and Communication Engineering
Subject Code/Name : EC2043 Wireless Networks
Degree : B.E
Year : IV
Semester : VIII
Document Type : Model Question Paper
Website : aalimec.ac.in

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AALIMEC Wireless Networks Question Paper

Part-A : (2*10=20)

Related / Similar Question Paper :
AALIMEC ECE Wireless Sensor Networks Question Paper

Set-1

1. Compute the maximum throughput of a pure ALOHA networking with a large number ofusers and transmission rate of 1 Mbps-
2. Find out the capacity of a single IS-95 cell that uses QPSK modulation and convolutional coding 3 db<Sr< 9 db, and bandwidth of the channel is 1.25 MHz.
3. List the five major challenges for implementation of Wireless LANs that existed from the beginning of this industry.
4. What is meant by capacity on-demand principle in GPRS networks-

5. What are the MAC services of IEEE 802.11 that are not provided in traditional LAN 802.3-
6. Draw the MAC layer frame format of IEEE 802.11.
7. Define LEAP Protocol and LEACH protocol
8. Compare hierarchical routing and flat routing in sensor networks.
9. Mention the service provided by L2CAP Bluetooth networks.
10. List the two major states in the operation of Bluetooth.

Part-B : (16*5=80)
11.Explain in detail the methods of data services get integrated with Voice Oriented Networks (16) (OR)
12.Explain in detail the forward and reverse channels in W-CDMA and CDMA 2000,and also explain about the handoff and power control mechanisms.(16)
13. Explain in detail the methods of data services get integrated with Voice Oriented Networks(16) (OR)

14.(i) Explain the three different functions that are used for the operational differences for MAC layer. (8)
(ii) Explain in detail the architecture of the 2G GSM system. (8)
15.Why IEEE 802.11 standard has two divisions in the MAC layer- Explain in detail about the MAC sub layer (16). (OR)

16. Explain the architecture and reference model of HIPERLAN- 2 in detail.
17. (i) Explain the physical and MAC layer details of Wi Max in detail (8)
(ii) Explain the architecture of IEEE 802.11 (8). (OR)
18. List the challenges involved in Adhoc network architectureWhat was the mission of the IAPP group-

19. Explain the need for demand based routing protocol for wireless sensor networks. Explain the different types of wireless sensor networks in detail. (16) (OR)
20. (i) Explain the source initiated on- demand routing protocols in ad- hoc networks in detail.(8)
(ii) Explain any to table driven routing protocols in ad-hoc networks. (8)

Set-2

Group-A (2*5=10) :
1.distinguish between flat and frequency selective fading.
2.what do you mean by ping-pong effect-
3.define jitter.
4.what is short distance based transmission
5.how do you take care of interference between Bluetooth and 802.11.

6.what is an ad-hoc network topology.
7.why stress and motion sensors used.
8.give two examples of sensor network.
9.what is the basic difference proactive and reactive protocol.
10.list out atleast two table driven protocols.

Group-B : (16*5=80)
11.(i)with neat diagram explain the three wireless LAN technology.
ii.write short notes on HIPERLAN-1 and HIPERLAN-2.
OR
12.explain in detail the IEEE 802.11 WLAN.(16M)
13.explain the Physical layer and services offered by IEEE 802.11(16m)
OR
14.a.what are the benefits of adhoc wireless networks.
b.explain the applications of adhoc wireless networks.

15. explain the table driven and on demand routing protocols.
OR
16 .a.write in detail about hybrid protocols.
b.write short notes on classification of routing protocol.

17.explain about sensor network architecture and design goals of MAC protocol.
OR
18.explain the physical and MAClayer details of MAN.

19.In what way wirelss PAN differs from wireless LAN- Write short notes on body LAN,mention few applications of PAN.(16M)
OR
20.Write short notes on i>IEEE 802.15 WPAN.ii>protocol stack of Bluetooth

Set 3

Ec2043-Wireless Networks :
1.What is unique about voice voice oriented wireless network?
2.why is cell splitting done.
3.what is the significance of signal to interference ratio?
4.what is multicasting.
5.what are the classification of MAC protocol?

6.what is the advantages of HIPERLAN-2.
7.what are the use of sensors.
8.what do you mean by acoustic sensors.
9.what are the tables maintained by WRP?
10.List out few source initiated on demand routing.