Download Previous Year Diploma Paper of Wireless and Mobile Communication WMC 6th Sem/ECE/0761/Feb 2021 Diploma Paper

WIRELESS AND MOBLE COMMUNICATION WMC 6th Sem/ECE/0761/Feb 2021 Diploma Paper

SECTION-A

Q1. Attempt any Three questions. 3×5=15

i. What are the advantages of wireless communication?
ii. Draw and explain the frequency spectrum.
iii. What is DTH service? Explain.
iv. Explain the cellular concept.
v. Why hexagonal shape of cells is preferred in cellular networks.
vi. Explain the features of FDMA.
vii. Discuss how Wi-Fi works.

SECTION-C

Q3. Attempt any one question. 1×10=10

a. Explain construction and working of Avalanche photodiode (APD) with diagram.
b. What is optical power budgeting. How it is helpful in designing fiber optical system. Explain in detail.
c. Explain the construction and working principle of laser diode with neat diagram.
d. Write a short note on i) Dispersion in fiber optics ii) Wavelength division multiplexing

Optical Fiber Communication OFC 6th Sem Diploma Feb 2021 Paper

Get Started

Section a FILL IN THE BLANKS Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper

The number of bits transmitted per second over a channel is called _______.

The number of bits transmitted per second over a channel is called .

The optical communication frequency is ________

The optical communication frequency is ______

The principle of light propagation in optical fibre is based on _______

The principle of light propagation in optical fibre is based on _____

LASER stands for ___________.

LASER stands for

Dark current is defined as ___________

Dark current is defined as

LASER exhibits ___________

LASER exhibits

In a graded index fiber the refractive index _____

The optical fiber structure consists of basically three parts __________

The optical fiber structure consists of basically three parts

The process of extracting mineral from the earth is known as ______.

Single mode fibers support only _____ mode of

The unit of Dispersion is _________

The unit of Dispersion is_______

VCSEL stands for _________.

VCSEL stands for

Johnson noise is due to _________.

Johnson noise is due to _______

A photodiode is used in _________

A photodiode is used in _ ___

DWDM stands for_____

The heart of an optical receiver is the _________

Optical Fiber Communication OFC 6th Sem Diploma May 2015 Solved Paper Click Here

Section B :Optical Fiber Communication OFC 6th Sem Diploma Feb 2021 Paper

What are the advantages of wireless communication?

Advantages of wireless communication.

Draw and explain the frequency spectrum.

Explain the frequency spectrum.

What is DTH service? Explain.

DTH service

Explain the cellular concept.

Explain the cellular concept.
v. Why hexagonal shape of cells is preferred in cellular networks.
vi. Explain the features of FDMA.
vii. Discuss how Wi-Fi works.

Describe the different types of functional Amplifiers.

Different types of functional Amplifiers.

What is Splicing? Explain any two techniques of Splicing ?

What is Splicing

Two Techniques of Splicing

List a few applications of Optical Communication ?

Applications of Optical Communication

List a few applications of Optical Communication ?

Few applications of Optical Communication

Optical Fiber Communication OFC 6th Sem Diploma Feb 2021 Paper Click Here

Optical Fiber Communication OFC 6th Sem Diploma Feb 2021 Paper

Get Started https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

Section c :-Optical Fiber Communication OFC 6th Sem Diploma Feb 2021 Paper

Explain construction and working of Avalanche photodiode (APD) with diagram.

Construction and working of Avalanche photodiode (APD) with diagram.

What is optical power budgeting. How it is helpful in designing fiber optical system.

Optical power budgeting. How it is helpful in designing fiber optical system.

Explain the construction and working principle of laser diode with neat diagram.

working principle of laser diode with neat diagram.

Write a short note on i) Dispersion in fiber optics ii) Wavelength division multiplexing

i) Dispersion in fiber optics ii) Wavelength division multiplexing

Optical Fiber Communication OFC 6th Sem Diploma Feb 2021 Paper Contact Us

MY YOUTUBE CHANNEL

JK Smart Classes Upload Lecture for Degree classes like B.TECH,M.TECH in any stream like ECE,EE,ME and Civil Engineering $\"JK$ JK SMART CLASSES ER.JASWINDER KUMAR $\"JK$ JK SMART LECTURE ER.JASWINDER KUMAR Engineering Classes Upload Lecture for Polytechnic Diploma classes in any stream like ECE,EE,ME and Civil Engineering $\"JK$ ENGINEERING CLASSES ER.JASWINDER KUMAR $\"JK$ er.jaswinder kumar Senior Lecturer