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Electronics & Communication Engineering

History of ECE Department 

  • Approved by AICTE, New Delhi.
  • Started in the year 1997 with an intake of 40.
  • In the year 1999 the intake increased to 60.
  • In the year 2000 the intake increased to 90.
  • Then in the year 2006 the intake increased to 120.
  • Started Post Graduation in “Digital Systems and Computer Electronics” in the year 2006 with an intake of 18.
  • In the year 2011 the intake of B.Tech increased to 180 & Started M. Tech. in “Wireless & Mobile Communication” in 2011 with an intake of 18.
  • Salient Features of the Department

Research Inspiration.

  • Faculty with Good Academic records.
  • Dedicated Faculty.
  • Motivating Students towards Research .
  • Paper Presentations.
  • Mini & Main Projects.
  • Fully In-House – Under Guidance of our Dedicated Faculty.
  • Well Equipped Laboratories.

Domain Specific Experts

  1. Dr. Linganagouda Kulkarni, Image Processing-Pattern Recognition, Computer Networking
  2. Mr. V.E. Chandrasekhar- Control Systems, Signal Processing.
  3. Mr. A. Sujeevan Kumar – Computer Organization, System Software.
  4. Mrs .L. Bhavani Annapurna-Signal and Image Processing
  5. Mr. K. Sudhakar- Embedded Systems.
  6. Mr. P. Ravinder Kumar- Communication Systems.
  7. Mr. N. Rajesh Kumar- Communication Systems.
  8. Mr.V.Gurumurthy-Antennas and Wave Propagation

Research Activity

The department is growing rapidly in research activity with the support of Head, Dr. Sandeep V.M. and our Principal Dr. Subhash Kulkarni. Dr. Sandeep V.M. has completed his PhD recently under the Stewardship of Dr. Subhash Kulkarni and M. Narayana has submitted his PhD Thesis and waiting for Viva-Voce. Two more faculty members from the Dept., V.E. Chandrasekhar, Smt. L. Bhavani Annapurna, are pursuing their research and A. Sujeevan Kumar, K. Sudhakar & P. Ravinder Kumar have applied for Registration and many more on the verge to join research team. In the dept. recently four faculty members have completed their M.Tech.

Workshops

The department is highly enthusiastic to conduct workshops in various areas, so that faculty can effectively impart this knowledge to their students and convey the subject effectively with practical revelation. The following workshops are conducted in the academic 2011-2012.

Three Day workshop conducted on Basic Simulation: A Multi Scheme & Multi platform Approach (BSMSMPA): More than 100 faculties from various colleges of JNTUH Region attended.
Two Day workshop conducted on Robotics: More than 150 students from various neighboring colleges have participated in this interactive workshop.

      Prof Sujeevan Agir

S.NO NAME OF THE FACULTY DESIGNATION   QUALIFICATION
1 Dr.Lingana Gouda Kulkarni Professor & Principal Ph.D
2 A.Sujeevan Kumar HoD M.Tech(PhD)
3 Dr. V.E.Chandra Sekhar Professor Ph.D
4 Dr.M.Sandhya Rani Assoc.Prof Ph.D
5 K.Sudhakar Assoc.Prof M.Tech(PhD)
6 N.Rajesh Kumar Assoc.Prof M.Tech(PhD)
7 P.Ravinder Kumar Assoc.Prof M.Tech(PhD)
8 L.Bhavani Annapurna Asst.Prof M.Tech(PhD)
9 K.Durga Prasad Asst.Prof M.Tech
10 M. Manjula Asst.Prof M.Tech
11 V.Gurumurthy Asst.Prof M.Tech(Ph.D)
12 V V Prakash Asst.Prof M.Tech(Ph.D)
13 M Jagadeeshwara Goud Asst.Prof M.Tech
14 MD Nayeem Asst.Prof M.Tech
15 V.Deepthi Asst.Prof M.Tech
16 A.Praveen Kumar Asst.Prof M.Tech
17 G.Praveen Kumar Asst.Prof M.Tech
18 J.Indiramma Asst.Prof M.Tech
19 M.Shashi Kiran Asst.Prof M.Tech
20 K M Bhanu Prakash Asst.Prof M.Tech
21 R Krishna Naik Asst.Prof M.Tech
22 E. Madhuri Asst.Prof M.Tech
23 Khaja Pasha Asst.Prof M.Tech
24 K.Harika Asst.Prof M.Tech
25 V D Shailaja Asst.Prof M.Tech
26 Indira Bhavani Asst.Prof M.Tech
27 Mahaboob Shaik Zeelani Asst.Prof M.Tech
28 Archena Asst.Prof M.Tech
29 Prasuna Asst.Prof M.Tech
30 Ravindra Kumar Goud Asst.Prof M.Tech
31 Devender Asst.Prof M.Tech

 




UGN09EC001

Mr T. Vinod Kumar

Lab-Asst.

UGN10EC001

Mr M. Gopal

Lab-Asst.

UGN01EC001

Mr.Nagaraju

Attender

EC Second Year

University Model Question Paper











Model Question Paper

AY:

 

Sem:

 

Marks:

100

Time:

180 minutes

Course:

 

Sub Code:

 

Note: Answer any FIVE full questions, selecting at least TWO questions from each part.

1

a

Explain about Interference and System Capacity?

20

 

b

Briefly explain the words Trunking and Grade of Service and explain how they are related to

System performance?

 

 

c

Explain with two techniques how coverage and capacity are improved in cellular systems?

 

 

d

Write a short note on the following two terms

a). Hand Off strategies b). Prioritizing Handoffs

 

2

a

Explain the channel planning for wireless systems.

20

 

b

Write a short note on Fresnel zone geometry and Knife edge diffraction model?

 

 

c

Explain the terms in connection with scattering?

 

 

d

Explain any two methods of outdoor propagation model?

 

3

a

Explain any two methods of indoor propagation model?

20

 

b

Explain the terms signal penetration into buildings and Ray tracing and site specific modeling?

 

 

c

What are factors influencing small scale fading?

 

 

d

Explain briefly about parameters of mobile multiparty channels?

 

4

a

Explain different types of small scale fading?

20

 

b

Explain briefly about Two -ray Rayleigh fading model?

 

 

c

Explain briefly about Two -ray Rayleigh fading model?

 

 

d

Explain simulation of Clarke and Guns fading model?

 

5

a

Explain a generic adaptive equalizer?

20

 

b

Explain equalizers in a communication receiver?

 

 

c

Explain Maximum Likelihood Sequence Estimation?

 

 

d

Explain different diversity techniques?

 

6

a

Derive expression for Maximum Ratio Combining Improvement?

20

 

b

Explain different types of WLAN Topologies?

 

 

c

Compare standards of I EEE 802.11 a, b, g and n standards?

 

 

d

Explain IEEE 802.11 & its enhancements?

 

7

a

Explain briefly IEEE 802.11 medium access control?

20

 

b

Explain briefly about WLAN & WLL?

 

 

c

What are enhancements in IEEE 802.16?

 

 

d

Explain briefly about Level crossing and fading statistics?

 

8

a

Explain the terms Brewster angle and Reflection from perfect conductor?

20

 

b

Explain briefly about frequency reuse?

 

 

c

Explain Advantages & Disadvantages of WLAN?

 

 

d

Explain briefly about Linear Equalizers?

 

 

COURSE IMPORTANT QUESTIONS

 a. Objective












Model Objective Question Paper

Mid No.:

 

Sem:

 

Marks:

20

Time:

20 minutes

Course:

 

Course Code:

 

Note: Answer all 20 questions, each carry equal marks.

 

-

Multiple Choice question

Answer

Mark

1

-

MTSO is

d

1

 

a

Mobile Transmitting Office

-

-

 

b

Mobile transmitting switching office

-

-

 

c

Mobile terminal switching office

-

-

 

d

Mobile telephone switching office

-

-

2

-

The quality of voice received can be estimated & judged by

b

1

 

a

No. of dropped calls

-

-

 

b

subjective tests

-

-

 

c

subjective tests

-

-

 

d

Transmitting power

-

-

3

-

To have more coverage cell shape should be

 

1

 

a

Hexagon

-

-

 

b

Circular

-

-

 

c

Square

-

-

 

d

Hexagon & Square

-

-

4

-

In Spain the cellular network used was

b

1

 

a

NMT 250 KHz

-

-

 

b

NMT 450 KHz

-

-

 

c

GSM & AMPS

-

-

 

d

IS 54

-

-

5

--

The received signal from a multipath channel is expressed as

a

1

 

a

Convolution of transmitted signal and impulse response

-

-

 

b

Addition of transmitted signal and impulse response

-

-

 

c

Subtraction of transmitted signal and impulse response

-

-

 

d

None of the above

-

-

6

-

Direct sequence spread spectrum demodulation uses

a

1

 

a

DPSK

-

-

 

b

FSK

-

-

 

c

ASK

-

-

 

d

QPSK

-

-

7

-

Channel’s phase response must be a linear function of

B

1

 

a

Time

-

-

 

b

Frequency

-

-

 

c

Both of the mentioned

-

-

 

d

None of the mentioned

-

-

8

-

Phase distortion occurs when

b

1

 

a

phase response is function of frequency

-

-

 

b

phase response is not a function of frequency

-

-

 

c

Both of the mentioned

-

-

 

d

None of the mentioned

-

-

9

-

Diversity technique is applied at

a

1

 

a

Base station

-

-

 

b

Mobile receiver

-

-

 

c

Both of the mentioned

-

-

 

d

None of the mentioned

-

-

10

-

Range of time difference of the zero crossing gives the value of

c

1

 

a

Width

-

-

 

b

Distortion

-

-

 

c

Timing jitter

-

-

 

d

Noise margin

-

-

11

-

Rake receiver does

c

1

 

a

Counter effects multi-path fading

-

-

 

b

Resembles equalizer

-

-

 

c

Both of the mentioned

-

-

 

d

none of the mentioned

-

-

12

-

In wireless distribution system

a

1

 

a

multiple access point are inter-connected with each other

-

-

 

b

there is no access point

-

-

 

c

only one access point exists

-

-

 

d

none of the mentioned

-

-

13

-

Application layer protocol defines

d

1

 

a

types of messages exchanged

-

-

 

b

messageformat,syntaxandsemantics

-

-

 

c

rules for when and how processes send and respond to messages

-

-

 

d

All of the mentioned

-

-

14

-

Which one of the following is not an application layer protocol?

c

1

 

a

media gateway protocol

-

-

 

b

dynamic host configuration protocol

-

-

 

c

resource reservation protocol

-

-

 

d

session initiation protocol

-

-

15

--

In wireless ad-hoc network

a

1

 

 

access point is not required

-

-

 

b

access point is must

-

-

 

c

nodes are not required

-

-

 

d

none of the mentioned

-

-

16

-

In wireless network an extended service set is a set of

a

1

 

a

connected basic service sets

-

-

 

b

all stations

-

-

 

c

all access points

-

-

 

d

none of the mentioned

-

-

17

-

Direct RF pulse system helps in calculating

c

1

 

a

Impulse response in frequency domain

-

-

 

b

Impulse response in phase domain

-

-

 

c

Impulse response in phase domain

-

-

 

d

Impulse response in phase domain

-

-

18

-

If coherence time of the channel is smaller than the symbol period of the transmitted signal, it is

a

1

 

a

Fast fading

-

-

 

b

Slow fading

-

-

 

c

Frequency selective fading

-

-

 

d

All the above

-

-

19

-

TDMA allows the user to have

b

1

 

a

Use of same frequency channel for same time slot

-

-

 

b

Use of same frequency channel for different time slot

-

-

 

c

Use of same time slot for different frequency channel

-

-

 

d

Use of different time slot for different frequency channels

-

-

20

-

Search window of a RAKE receiver is

b

1

 

a

Frequency band of the channel

-

-

 

b

Range of the time delays

-

-

 

c

Range of noise

-

-

 

d

All of the above

-

-

 

-

Fill in the Blank

 

 

21

 

Handoff used by --------& later renemed as ---------- answer:AMPS, handover

 

1

22

 

TDMA is a multiple access technique that has-------- answer:

 

1

23

 

In TDMA, the user occupies the whole bandwidth during transmission -------- answer: true

 

1

24

 

The _______ of the opening of eye pattern indicates the time over which the sampling for detection might be performed. Answer: width

 

1

25

 

Transversal equalizers are ________ and decision feedback equalizers are ______ . answer: Feed forward , feed back

 

1

26

 

The maximum likelihood sequence estimator adjusts _______ according to _____ environment. Answer: Receiver, transmitter

 

1

27

 

Symbol spaced has ____ sample per symbol and fractionally spaced has ___ samples per symbol. Answer: one, many

 

1

28

 

In wireless ad-hoc network ------ is not required. Answer: access point

 

1

29

 

Mostly ________ is used in wireless LAN. Answer: OFDM

 

1

30

 

Data link---------- Answer: can carry multiple channel data

 

1

31

 

In cellular system antennas front-to-back ratio of directional antennas is ------in the space and ----in cell site Answer: 20db, 10db

 

 

32

 

For N=4 & N=19 rsense cellular patterns the frequency sense distances are--- -----and ---------- Answer:3.46 R & 7.55 R

 

 

33

 

Handoff used by --------& later renemed as ---------- Answer: AMPS, handover

 

 

34

 

At the mobile & base station antenna heights will be -----and-------- Answer: 3m, 30m

 

 

35

 

In mobile radio environment, the front to back ratio of a cell site directional antenna is------------------- answer: 10db

 

 

36

 

In mobile to mobile propagation the propagation channel acts as -----------component answer: Amplifier

 

 

37

 

Tropospheric wave propagation cause interference and it can be controlled by---------------- answer: umbrella antenna beam pattern and umbrella antenna beam pattern

 

 

38

 

Doppler spread refers to ------ Answer: signal fading due to Doppler shift in the channel

 

 

39

 

The rainbow pattern seen on a CD is an example of ------- answer:difraction

 

 

40

 

Doppler spread refers to ------ Answer: signal fading due to Doppler shift in the channel

 

 

 

 b. Subjective








University Exam Important Questions

 

 

Year / Semester:

2, / 2 Sem

Course:

 

Course Code:

 

Unit

QNo

Important Questions

Appeared in year

1

1

a. Draw and explain block diagram of a cellular radio network.

b. Describe circuit and packet switching methods in wireless networks.

2015

2015

 

 

2

a. Differentiate the generations in cordless phones and cellular phones.

b. explain the three basic propagation mechanisms in a mobile communications

2016

2016

 

3

a. Explain how the mobility support is achieved in GPRS with a neat architecture.

b. Explain short message service in GPRS mobile application protocol.

2016

2016

2

1

a. Discuss in detail about common channel signaling.

b. Dwaw the SS7 protocol architecture and explain.

2015

2015

 

2

a. Bing out the salient features of second generation cellular networks?

b. draw the first generation wireless network and explain the signaling between mobile user base starter and MSC

2016

2016

3

1

a. Explain about FDMA mutliple access technique.

b. Compare and constrast SDMA and CSMA techniques.

2015

2015

 

2

a. Explain the concept of frequency reuse channels

b. Explain how an initiation of a hand off takes place and also explain delaying in hand offs.

c. Show that the frequency reuse factor for a cellular system is given by k/S, where k is the average number of channels per cell and S is the total number of channels available to the cellular service provider

2016

2016

 

2016

4

1

a. Draw the TDMA frame structure and mention the salient features of TDMA

b. What is a packet radio? Explain the packet radio protocol.

2016

2016

 

2

a. List out the differences between wireless and fixed telephone networks.

b. Explain about packet switching with neat block diagrams of data format fields.

2016

2016

 

3

a. Explain the functioning of ATM with base architecture

b. Draw the basic architecture of wireless ATM network.

2016

2015

5

1

a. Describe the function of each layer of protocol with a neat IEEE 802 architecture.

b. Explain about physical and MAC layers in HYPERLAN.

2016

2015

 

2

a. Explain the basic principles of orthogonality.

b. Draw the basic block diagram of OFDM and explain it.

2016

2016

 

3

a. List and explain key wireless LAN applications.

b. With a neat sketch explain IEEE 802.11 architecture.

2015

2016

 

About JPNCE

Jaya Prakash Narayan College of Engineering was established in the year 1997 by experienced academicians and industrialists.

The college is continuously supported by a group of technocrats and is guided by renowned professors and administrators.

Get in touch

JAYA PRAKASH NARAYAN COLLEGE OF ENGINERRING
Dharmapur, ‎Mahabubnagar 
Telangana State, India
Zip Code : 509001

Offiice : +91-8886680012, 9951946677

Admissions : +91-8886680021, 25 ,

Exam Branch : +91 8886680014

Placement : +91-8886680016, 24

Scholarship : +91-8886680008

Web : www.jpnce.ac.in

principal.jpne@gmail.com, principal@jpnce.ac.in

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