Exam Details
| Subject | wireless communications and networks | |
| Paper | ||
| Exam / Course | b.tech | |
| Department | ||
| Organization | Vardhaman College Of Engineering | |
| Position | ||
| Exam Date | November, 2017 | |
| City, State | telangana, hyderabad |
Question Paper
(AUTONOMOUS)
B. Tech VIII Semester Supplementary Examinations, November 2017
(Regulations: VCE-R11/R11A)
WIRELESS COMMUNICATIONS AND NETWORKS
(Electronics and Communication Engineering)
Date: 16 November, 2017 AN
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
Unit I
1.
Show the Frequency spectrum allocation used in AMPS system for both Reverse channel and Forward channel, and expression for Center frequency.
7M
Write a note on 2G cellular network with its key features.
8M
2.
Illustrate with timing diagram, how a call is established by a mobile user to a mobile user.
7M
Compare and contrast 3G W-CDMA and 3G cdma2000 technology.
8M
Unit II
3.
Explain CSMA protocol and its variations.
6M
Derive following expression:
P0,i,j θ Ni,j
9M
4.
With diagram explain CDPD network.
9M
If GSM uses a frame structure where each frame consists of eight time slots, each time slot contain 152.25bits and data transmitted at 270.833kbps. Find:
i. Time duration of a bit
ii. Time duration of a slot
iii. time duration of a frame
How long user must wait between two successive transmissions?
6M
Unit III
5.
With a scenario depicting Mobile IP, list the operations that occur when IP datagrams are exchanged over a connection between mobile node and a host.
8M
What are the specifications necessary for a WLAN environment?
7M
6.
With figure, explain the three elements consisting of a WAP programming model. What are the different protocols and models which make up the WAP specification? Explain WML.
8M
What are IRLANs? Explain its strength and weakness and the transmission technique used in the same.
7M
Unit IV
7.
Explain 802.11 Medium Access Control.
8M
Explain logical link control and adaption protocol.
7M
8.
Write about 802.11 physical layers.
7M
Explain baseband specification and link manager specification.
8M
Unit V
9.
Write about GPRS.
7M
In detail explain HIPERLAN-2.
8M
10.
Write a short note on mobile application protocols.
7M
With the packet frame format explain wireless ATM.
8M
B. Tech VIII Semester Supplementary Examinations, November 2017
(Regulations: VCE-R11/R11A)
WIRELESS COMMUNICATIONS AND NETWORKS
(Electronics and Communication Engineering)
Date: 16 November, 2017 AN
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
Unit I
1.
Show the Frequency spectrum allocation used in AMPS system for both Reverse channel and Forward channel, and expression for Center frequency.
7M
Write a note on 2G cellular network with its key features.
8M
2.
Illustrate with timing diagram, how a call is established by a mobile user to a mobile user.
7M
Compare and contrast 3G W-CDMA and 3G cdma2000 technology.
8M
Unit II
3.
Explain CSMA protocol and its variations.
6M
Derive following expression:
P0,i,j θ Ni,j
9M
4.
With diagram explain CDPD network.
9M
If GSM uses a frame structure where each frame consists of eight time slots, each time slot contain 152.25bits and data transmitted at 270.833kbps. Find:
i. Time duration of a bit
ii. Time duration of a slot
iii. time duration of a frame
How long user must wait between two successive transmissions?
6M
Unit III
5.
With a scenario depicting Mobile IP, list the operations that occur when IP datagrams are exchanged over a connection between mobile node and a host.
8M
What are the specifications necessary for a WLAN environment?
7M
6.
With figure, explain the three elements consisting of a WAP programming model. What are the different protocols and models which make up the WAP specification? Explain WML.
8M
What are IRLANs? Explain its strength and weakness and the transmission technique used in the same.
7M
Unit IV
7.
Explain 802.11 Medium Access Control.
8M
Explain logical link control and adaption protocol.
7M
8.
Write about 802.11 physical layers.
7M
Explain baseband specification and link manager specification.
8M
Unit V
9.
Write about GPRS.
7M
In detail explain HIPERLAN-2.
8M
10.
Write a short note on mobile application protocols.
7M
With the packet frame format explain wireless ATM.
8M
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