B. Tech. (SEM. VI) EXAMINATION, (2) All question early equal make. (3) In ease of numerical problems assume data wherever not provided.
|
|
- Buddy Mills
- 5 years ago
- Views:
Transcription
1 " III *U-3091/8400* Printed Pages : 7 TEC - 601! I i B. Tech. (SEM. VI) EXAMINATION, DIGIT AL COMMUNICATION \ V Time: 3 Hours] [Total Marks 100 Note : (1) Attempt all questions. (2) All question early equal make. (3) In ease of numerical problems assume data wherever not provided. 1 Attempt any four parts of the following: 5x4=20 (a) (b) What is mutual information? How is it related to channel capacity? What is 'Prefix Coding'? Explain with the help of suitable example. Write the equation of Kraft McMillan In equality and also state the application. Draw the block diagram of Digital communication transmission and receiver system and explain the each block. U-3091] u - :!: 0 9 1
2 ,,. (d) A source produces six message with probabilities X, X, X" X' ' X' and X' respectively. Obtain the information content of each message and the entropy of the source. mbol r obability (e) A discrete memoryless source has an alphabet of seven symbols whose probabilities of occurrence are as follows: 0.25 Sl S S3 S4 SsS So 0.25,! Determine the Huffman code for above source. (f) Consider 8 alphabet source with probability. of occurrence as follows:. bability BCDEFGH Symbol A0.30 According to Shann~n-Fano techniques, generate the. binary codes. 2 Attempt any four parts of the following : 5x4=20 (a) Explain why quantization noise could effect small amplitude signals in a PCM system for more than large signals. J U-3091] II - : I..~j,'.~
3 i) ), What Unipolar Prove Define Bipolar Split-phase. (e) is that is the RZ Delta companding? NRZ the following signalling slope modulation? output signalling overload types signal WhyExplain distortion of ofline it a used? matched codes theand limitations Illustrate for granular fileter the is of Autocorrelation which Adaptive your Delta proportional noise electrical answer modulation inthe. (b) Delta representations filter with modulation Modulation? afunction is with shifted amatched. sketch suitable version of and of the binary diagram. how companding input of the isdata. it signal removed curves. to in (i).~.~ ~ J Attempt any two parts of the following: 10x2=20 (a) (i) What do you understand by lntersymbol Interference (ISI)? (ii) Explain the generation and detection of Ask, with neat block diagram. U-3091] IIIIIIIIII[ 1[111111[ 'J
4 '. (b) Draw the block diagram of DPSK transmitter and receiver. The binary sequence is applied to the DPSK transmitter. (i) (ii). Sketch the resulting wave form at the transmitter output. Applying this wave form to the DPSK receiver.. Show that, in the absence of noise, the original binary sequence is reconstructed at the receiver output. Explain the condition of orthogonality of the two BFSK signals and the signal space diagram for the orthogonal signal. Derive an expression for the probability of error in synchronous detection of the BFSK signal using matched filter. 4 Attempt any two parts of the following: lox2=20 (a) Draw the block diagram of FSK system and explain the operating principle. An FSK system transmits binary data at the rate ~ of 2.5 x 106 bits per second. During the course of transmission, white Gaussian. noise of zero mean and power spectral density W/Hz is added to the signal. In the absence of noise the amplitude of the received sinusoidal wave for digit 1 or 0 is 1 mv. U-3091] U
5 ,, Determine the average probability of symbol error for the following system configurations. (i) Coherent binary FSK (ii) Non coherent binary F.SK V (b) What is multiplexing? Why is it needed? Explain the principle of time Division Multip'e'xer with a sketch to show how the interleaving of channels takes place. Draw the block diagram and explain the working operation of the T 1 carrier system. 5 Attempt any two parts of the following: 10x2=20 (a) Consider the (7,4) Hamming code defined by the generator polynomial g (x) = 1+ x + x3. The code word lis sent over a noisy channel, producing the received word that has a single error. Determine the syndrome polynomial s(x) for this received word and show that it is identical to the error polynomial t(x). U-3091] IJ
6 (b) (i) Consider the rate r = 7i '.constraint length k = 2 conventional encoder ofthe following figure. The code is systematic. Find the encoder output produced by the message \. sequence Modulo 2 adder Input Flip Flop Output (ii). Construct the code tree for the conventional encoder of above figure. Trace the path through the tree that corresponds to the message sequence A (7,4) linear block code is generated according L to the following parity check matrix. [H] = fill I 0 I OJ 0,. U-309I] \11111 \\\ \111\\11111\ 1111\111 6 u -!
7 The received denoted codeword Y is for a transmitted code Word X. Find the corresponding data transmitted. U~3091] I.J - ]: 0? 1 [ 8400 ]
UNIT I Source Coding Systems
SIDDHARTH GROUP OF INSTITUTIONS: PUTTUR Siddharth Nagar, Narayanavanam Road 517583 QUESTION BANK (DESCRIPTIVE) Subject with Code: DC (16EC421) Year & Sem: III-B. Tech & II-Sem Course & Branch: B. Tech
More informationDepartment of Electronics and Communication Engineering 1
UNIT I SAMPLING AND QUANTIZATION Pulse Modulation 1. Explain in detail the generation of PWM and PPM signals (16) (M/J 2011) 2. Explain in detail the concept of PWM and PAM (16) (N/D 2012) 3. What is the
More informationDIGITAL COMMINICATIONS
Code No: R346 R Set No: III B.Tech. I Semester Regular and Supplementary Examinations, December - 23 DIGITAL COMMINICATIONS (Electronics and Communication Engineering) Time: 3 Hours Max Marks: 75 Answer
More informationQUESTION BANK (VI SEM ECE) (DIGITAL COMMUNICATION)
QUESTION BANK (VI SEM ECE) (DIGITAL COMMUNICATION) UNIT-I: PCM & Delta modulation system Q.1 Explain the difference between cross talk & intersymbol interference. Q.2 What is Quantization error? How does
More informationQUESTION BANK SUBJECT: DIGITAL COMMUNICATION (15EC61)
QUESTION BANK SUBJECT: DIGITAL COMMUNICATION (15EC61) Module 1 1. Explain Digital communication system with a neat block diagram. 2. What are the differences between digital and analog communication systems?
More informationSyllabus. osmania university UNIT - I UNIT - II UNIT - III CHAPTER - 1 : INTRODUCTION TO DIGITAL COMMUNICATION CHAPTER - 3 : INFORMATION THEORY
i Syllabus osmania university UNIT - I CHAPTER - 1 : INTRODUCTION TO Elements of Digital Communication System, Comparison of Digital and Analog Communication Systems. CHAPTER - 2 : DIGITAL TRANSMISSION
More informationQUESTION BANK EC 1351 DIGITAL COMMUNICATION YEAR / SEM : III / VI UNIT I- PULSE MODULATION PART-A (2 Marks) 1. What is the purpose of sample and hold
QUESTION BANK EC 1351 DIGITAL COMMUNICATION YEAR / SEM : III / VI UNIT I- PULSE MODULATION PART-A (2 Marks) 1. What is the purpose of sample and hold circuit 2. What is the difference between natural sampling
More informationYear : TYEJ Sub: Digital Communication (17535) Assignment No. 1. Introduction of Digital Communication. Question Exam Marks
Assignment 1 Introduction of Digital Communication Sr. Question Exam Marks 1 Draw the block diagram of the basic digital communication system. State the function of each block in detail. W 2015 6 2 State
More informationDownloaded from 1
VII SEMESTER FINAL EXAMINATION-2004 Attempt ALL questions. Q. [1] How does Digital communication System differ from Analog systems? Draw functional block diagram of DCS and explain the significance of
More informationUNIT TEST I Digital Communication
Time: 1 Hour Class: T.E. I & II Max. Marks: 30 Q.1) (a) A compact disc (CD) records audio signals digitally by using PCM. Assume the audio signal B.W. to be 15 khz. (I) Find Nyquist rate. (II) If the Nyquist
More informationSixth Semester B.E. Degree Examination, May/June 2010 Digital Communication Note: Answer any FIVEfull questions, selecting at least TWO questionsfrom each part. PART-A a. With a block diagram, explain
More informationVARDHAMAN COLLEGE OF ENGINEERING (AUTONOMOUS) Affiliated to JNTUH, Hyderabad ASSIGNMENT QUESTION BANK
VARDHAMAN COLLEGE OF ENGINEERING (AUTONOMOUS) Affiliated to JNTUH, Hyderabad ASSIGNMENT QUESTION BANK Name of the subject: Digital Communications B.Tech/M.Tech/MCA/MBA Subject Code: A1424 Semester: VI
More informationQUESTION BANK. Staff In-Charge: M.MAHARAJA, AP / ECE
FATIMA MICHAEL COLLEGE OF ENGINEERING & TECHNOLOGY Senkottai Village, Madurai Sivagangai Main Road, Madurai -625 020 An ISO 9001:2008 Certified Institution QUESTION BANK Sub. Code : EC 2301 Class : III
More informationLevel 6 Graduate Diploma in Engineering Communication systems
9210-118 Level 6 Graduate Diploma in Engineering Communication systems Sample Paper You should have the following for this examination one answer book non-programmable calculator pen, pencil, ruler, drawing
More informationSCHEME OF COURSE WORK. Course Code : 13EC1114 L T P C : ELECTRONICS AND COMMUNICATION ENGINEERING
SCHEME OF COURSE WORK Course Details: Course Title : DIGITAL COMMUNICATIONS Course Code : 13EC1114 L T P C 4 0 0 3 Program Specialization Semester Prerequisites Courses to which it is a prerequisite :
More informationDEPARTMENT OF INFORMATION TECHNOLOGY QUESTION BANK. Subject Name: Information Coding Techniques UNIT I INFORMATION ENTROPY FUNDAMENTALS
DEPARTMENT OF INFORMATION TECHNOLOGY QUESTION BANK Subject Name: Year /Sem: II / IV UNIT I INFORMATION ENTROPY FUNDAMENTALS PART A (2 MARKS) 1. What is uncertainty? 2. What is prefix coding? 3. State the
More informationCHAPTER 3 Syllabus (2006 scheme syllabus) Differential pulse code modulation DPCM transmitter
CHAPTER 3 Syllabus 1) DPCM 2) DM 3) Base band shaping for data tranmission 4) Discrete PAM signals 5) Power spectra of discrete PAM signal. 6) Applications (2006 scheme syllabus) Differential pulse code
More informationContents Preview and Introduction Waveform Encoding
Contents 1 Preview and Introduction... 1 1.1 Process of Communication..... 1 1.2 General Definition of Signal..... 3 1.3 Time-Value Definition of Signals Analog and Digital..... 6 1.3.1 Continuous Time
More informationCommunication Systems
Electrical Engineering Communication Systems Comprehensive Theory with Solved Examples and Practice Questions Publications Publications MADE EASY Publications Corporate Office: 44-A/4, Kalu Sarai (Near
More informationUniversity of Swaziland Faculty of Science Department of Electrical and Electronic Engineering Main Examination 2016
University of Swaziland Faculty of Science Department of Electrical and Electronic Engineering Main Examination 2016 Title of Paper Course Number Time Allowed Instructions Digital Communication Systems
More informationCommunication Systems
Electronics Engineering Communication Systems Comprehensive Theory with Solved Examples and Practice Questions Publications Publications MADE EASY Publications Corporate Office: 44-A/4, Kalu Sarai (Near
More informationEND-OF-YEAR EXAMINATIONS ELEC321 Communication Systems (D2) Tuesday, 22 November 2005, 9:20 a.m. Three hours plus 10 minutes reading time.
END-OF-YEAR EXAMINATIONS 2005 Unit: Day and Time: Time Allowed: ELEC321 Communication Systems (D2) Tuesday, 22 November 2005, 9:20 a.m. Three hours plus 10 minutes reading time. Total Number of Questions:
More informationINSTITUTE OF AERONAUTICAL ENGINEERING
INSTITUTE OF AERONAUTICAL ENGINEERING (AUTONOMUS) Dundigal, Hyderabad - 00 0 ELECTRONICS AND COMMUNICATION ENGINEERING TUTORIAL QUESTION BANK Name : DIGITAL COMMUNICATIONS Code : AEC009 Class : B. Tech
More informationProblem Sheet 1 Probability, random processes, and noise
Problem Sheet 1 Probability, random processes, and noise 1. If F X (x) is the distribution function of a random variable X and x 1 x 2, show that F X (x 1 ) F X (x 2 ). 2. Use the definition of the cumulative
More informationINSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad
INSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad - 500 03 ELECTRONICS AND COMMUNICATION ENGINEERING TUTORIAL QUESTION BANK Name : DIGITAL COMMUNICATIONS Code : A6020 Class : III -
More informationAMSEC/ECE
EC6501 -DIGITAL COMMUNICATION UNIT-I SAMPLING & QUANTIZATION 1. Define Dirac comb or ideal sampling function. What is its Fourier Transform? Dirac comb is nothing but a periodic impulse train in which
More informationKINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK. Subject Name: Digital Communication Techniques
KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK Subject Code: EC1351 Year/Sem: III/IV Subject Name: Digital Communication Techniques UNIT I PULSE MODULATION
More informationLATHA MATHAVAN ENGINEERING COLLEGE Alagarkovil, Madurai
UNIT I - SAMPLING & QUANTIZATION PART A 1. What is aliasing? (EC6501 June 2016) 2. What is Companding? Sketch the input-output characteristics of a compressor and an expander. (EC6501 June 2016) 3. An
More informationKINGS DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING DIGITAL COMMUNICATION TECHNIQUES YEAR/SEM: III / VI BRANCH : ECE PULSE MODULATION
KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING SUB.NAME : EC1351 DIGITAL COMMUNICATION TECHNIQUES BRANCH : ECE YEAR/SEM: III / VI UNIT I PULSE MODULATION PART A (2
More informationDepartment of Electronics & Telecommunication Engg. LAB MANUAL. B.Tech V Semester [ ] (Branch: ETE)
Department of Electronics & Telecommunication Engg. LAB MANUAL SUBJECT:-DIGITAL COMMUNICATION SYSTEM [BTEC-501] B.Tech V Semester [2013-14] (Branch: ETE) KCT COLLEGE OF ENGG & TECH., FATEHGARH PUNJAB TECHNICAL
More informationEEE482F: Problem Set 1
EEE482F: Problem Set 1 1. A digital source emits 1.0 and 0.0V levels with a probability of 0.2 each, and +3.0 and +4.0V levels with a probability of 0.3 each. Evaluate the average information of the source.
More informationComm 502: Communication Theory. Lecture 4. Line Coding M-ary PCM-Delta Modulation
Comm 502: Communication Theory Lecture 4 Line Coding M-ary PCM-Delta Modulation PCM Decoder PCM Waveform Types (Line Coding) Representation of binary sequence into the electrical signals that enter the
More informationThus there are three basic modulation techniques: 1) AMPLITUDE SHIFT KEYING 2) FREQUENCY SHIFT KEYING 3) PHASE SHIFT KEYING
CHAPTER 5 Syllabus 1) Digital modulation formats 2) Coherent binary modulation techniques 3) Coherent Quadrature modulation techniques 4) Non coherent binary modulation techniques. Digital modulation formats:
More informationEEE 309 Communication Theory
EEE 309 Communication Theory Semester: January 2017 Dr. Md. Farhad Hossain Associate Professor Department of EEE, BUET Email: mfarhadhossain@eee.buet.ac.bd Office: ECE 331, ECE Building Types of Modulation
More informationCommunications I (ELCN 306)
Communications I (ELCN 306) c Samy S. Soliman Electronics and Electrical Communications Engineering Department Cairo University, Egypt Email: samy.soliman@cu.edu.eg Website: http://scholar.cu.edu.eg/samysoliman
More informationTime division multiplexing The block diagram for TDM is illustrated as shown in the figure
CHAPTER 2 Syllabus: 1) Pulse amplitude modulation 2) TDM 3) Wave form coding techniques 4) PCM 5) Quantization noise and SNR 6) Robust quantization Pulse amplitude modulation In pulse amplitude modulation,
More informationEXPERIMENT WISE VIVA QUESTIONS
EXPERIMENT WISE VIVA QUESTIONS Pulse Code Modulation: 1. Draw the block diagram of basic digital communication system. How it is different from analog communication system. 2. What are the advantages of
More informationEC6501 Digital Communication
EC6501 Digital Communication UNIT -1 DIGITAL COMMUNICATION SYSTEMS Digital Communication system 1) Write the advantages and disadvantages of digital communication. [A/M 11] The advantages of digital communication
More informationDE63 DIGITAL COMMUNICATIONS DEC 2014
Q.2 a. Draw the bandwidth efficiency curve w.r.t E b /N o. Compute the value of E b /N o required to achieve the data rate equal to the channel capacity if the channel bandwidth tends to infinity b. A
More informationDepartment of Electronics & Communication Engineering LAB MANUAL SUBJECT: DIGITAL COMMUNICATION LABORATORY [ECE324] (Branch: ECE)
Department of Electronics & Communication Engineering LAB MANUAL SUBJECT: DIGITAL COMMUNICATION LABORATORY [ECE324] B.Tech Year 3 rd, Semester - 5 th (Branch: ECE) Version: 01 st August 2018 The LNM Institute
More informationQUESTION BANK. Sandeep Kumar Bansal. Electronics & Communication Department
QUESTION BANK Sandeep Kumar Bansal Electronics & Communication Department ANALOG AND DIGITAL COMMUNICATION QUESTION BANK BRANCH 4 TH SEM CS/IT UNIT-1 1. Draw the circuit diagram of balanced modulator using
More information4. Which of the following channel matrices respresent a symmetric channel? [01M02] 5. The capacity of the channel with the channel Matrix
Send SMS s : ONJntuSpeed To 9870807070 To Recieve Jntu Updates Daily On Your Mobile For Free www.strikingsoon.comjntu ONLINE EXMINTIONS [Mid 2 - dc] http://jntuk.strikingsoon.com 1. Two binary random
More informationEEE 309 Communication Theory
EEE 309 Communication Theory Semester: January 2016 Dr. Md. Farhad Hossain Associate Professor Department of EEE, BUET Email: mfarhadhossain@eee.buet.ac.bd Office: ECE 331, ECE Building Part 05 Pulse Code
More informationUNIT I UNIT I Analog Communication. 3. Define Modulation index and percent modulation for an AM wave.
UNIT I UNIT I Analog Communication PART-A 1. What is modulation? Modulation is the process of changing any one parameter (amplitude, frequency or phase) of a relatively high frequency carrier signal in
More informationUNIT III -- DATA AND PULSE COMMUNICATION PART-A 1. State the sampling theorem for band-limited signals of finite energy. If a finite energy signal g(t) contains no frequency higher than W Hz, it is completely
More information28. What is meant by repetition rate of the AM envelope? (ADC,AU-2010) 29. Describe the upper and lower sidebands. (ADC, AU-2010) 30.
Institute of Road and Transport Technology, Erode Department of Electronics and Communication Engineering Class/Sem: 2 nd Year Information Technology-3rd Semester Subject: Principles of Communication (IT)
More informationSUMMER 14 EXAMINATION Model Answer
SUMMER 14 EXAMINATION Model Answer Subject Code: 12188 Important Instructions to examiners: 1) The answers should be examined by key words and not as word-to-word as given in the model answer scheme. 2)
More information6. FUNDAMENTALS OF CHANNEL CODER
82 6. FUNDAMENTALS OF CHANNEL CODER 6.1 INTRODUCTION The digital information can be transmitted over the channel using different signaling schemes. The type of the signal scheme chosen mainly depends on
More informationEC 6501 DIGITAL COMMUNICATION UNIT - IV PART A
EC 6501 DIGITAL COMMUNICATION UNIT - IV PART A 1. Distinguish coherent vs non coherent digital modulation techniques. [N/D-16] a. Coherent detection: In this method the local carrier generated at the receiver
More informationDigital Communication (650533) CH 3 Pulse Modulation
Philadelphia University/Faculty of Engineering Communication and Electronics Engineering Digital Communication (650533) CH 3 Pulse Modulation Instructor: Eng. Nada Khatib Website: http://www.philadelphia.edu.jo/academics/nkhatib/
More informationDigital to Digital Encoding
MODULATION AND ENCODING Data must be transformed into signals to send them from one place to another Conversion Schemes Digital-to-Digital Analog-to-Digital Digital-to-Analog Analog-to-Analog Digital to
More informationTCET3202 Analog and digital Communications II
NEW YORK CITY COLLEGE OF TECHNOLOGY The City University of New York DEPARTMENT: SUBJECT CODE AND TITLE: COURSE DESCRIPTION: REQUIRED COURSE Electrical and Telecommunications Engineering Technology TCET3202
More informationCOMPUTER COMMUNICATION AND NETWORKS ENCODING TECHNIQUES
COMPUTER COMMUNICATION AND NETWORKS ENCODING TECHNIQUES Encoding Coding is the process of embedding clocks into a given data stream and producing a signal that can be transmitted over a selected medium.
More informationCODING TECHNIQUES FOR ANALOG SOURCES
CODING TECHNIQUES FOR ANALOG SOURCES Prof.Pratik Tawde Lecturer, Electronics and Telecommunication Department, Vidyalankar Polytechnic, Wadala (India) ABSTRACT Image Compression is a process of removing
More informationFundamentals of Digital Communication
Fundamentals of Digital Communication Network Infrastructures A.A. 2017/18 Digital communication system Analog Digital Input Signal Analog/ Digital Low Pass Filter Sampler Quantizer Source Encoder Channel
More information15.Calculate the local oscillator frequency if incoming frequency is F1 and translated carrier frequency
DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING SUBJECT NAME:COMMUNICATION THEORY YEAR/SEM: II/IV SUBJECT CODE: EC 6402 UNIT I:l (AMPLITUDE MODULATION) PART A 1. Compute the bandwidth of the AMP
More informationBSc (Hons) Computer Science with Network Security. Examinations for Semester 1
BSc (Hons) Computer Science with Network Security Cohort: BCNS/15B/FT Examinations for 2015-2016 Semester 1 MODULE: DATA COMMUNICATIONS MODULE CODE: CAN1101C Duration: 2 Hours Instructions to Candidates:
More informationCommunications and Signals Processing
Communications and Signals Processing Dr. Ahmed Masri Department of Communications An Najah National University 2012/2013 1 Dr. Ahmed Masri Chapter 5 - Outlines 5.4 Completing the Transition from Analog
More informationPRINCIPLES OF COMMUNICATIONS
PRINCIPLES OF COMMUNICATIONS Systems, Modulation, and Noise SIXTH EDITION INTERNATIONAL STUDENT VERSION RODGER E. ZIEMER University of Colorado at Colorado Springs WILLIAM H. TRANTER Virginia Polytechnic
More informationDigital Modulation Schemes
Digital Modulation Schemes 1. In binary data transmission DPSK is preferred to PSK because (a) a coherent carrier is not required to be generated at the receiver (b) for a given energy per bit, the probability
More informationDEPARTMENT OF COMPUTER GCE@Bodi_ SCIENCE GCE@Bodi_ AND ENIGNEERING GCE@Bodi_ GCE@Bodi_ GCE@Bodi_ Analog and Digital Communication GCE@Bodi_ DEPARTMENT OF CsE Subject Name: Analog and Digital Communication
More informationDigital signal is denoted by discreet signal, which represents digital data.there are three types of line coding schemes available:
Digital-to-Digital Conversion This section explains how to convert digital data into digital signals. It can be done in two ways, line coding and block coding. For all communications, line coding is necessary
More informationDHANALAKSHMI SRINIVASAN COLLEGE OF ENGINEERING AND TECHNOLOGY CS6304- ANALOG AND DIGITAL COMMUNICATION BE-CSE/IT SEMESTER III REGULATION 2013 Faculty
DHANALAKSHMI SRINIVASAN COLLEGE OF ENGINEERING AND TECHNOLOGY CS6304- ANALOG AND DIGITAL COMMUNICATION BE-CSE/IT SEMESTER III REGULATION 2013 Faculty Name: S.Kalpana, AP/ECE QUESTION BANK UNIT I ANALOG
More informationProblem Sheets: Communication Systems
Problem Sheets: Communication Systems Professor A. Manikas Chair of Communications and Array Processing Department of Electrical & Electronic Engineering Imperial College London v.11 1 Topic: Introductory
More informationSEN366 Computer Networks
SEN366 Computer Networks Prof. Dr. Hasan Hüseyin BALIK (5 th Week) 5. Signal Encoding Techniques 5.Outline An overview of the basic methods of encoding digital data into a digital signal An overview of
More informationSpreading Codes and Characteristics. Error Correction Codes
Spreading Codes and Characteristics and Error Correction Codes Global Navigational Satellite Systems (GNSS-6) Short course, NERTU Prasad Krishnan International Institute of Information Technology, Hyderabad
More informationChapter 5: Modulation Techniques. Abdullah Al-Meshal
Chapter 5: Modulation Techniques Abdullah Al-Meshal Introduction After encoding the binary data, the data is now ready to be transmitted through the physical channel In order to transmit the data in the
More informationRevision of Lecture Eleven
Revision of Lecture Eleven Previous lecture we have concentrated on carrier recovery for QAM, and modified early-late clock recovery for multilevel signalling as well as star 16QAM scheme Thus we have
More informationChapter 3: DIFFERENTIAL ENCODING
Chapter 3: DIFFERENTIAL ENCODING Differential Encoding Eye Patterns Regenerative Receiver Bit Synchronizer Binary to Mary Conversion Huseyin Bilgekul Eeng360 Communication Systems I Department of Electrical
More informationCHAPTER 2. Instructor: Mr. Abhijit Parmar Course: Mobile Computing and Wireless Communication ( )
CHAPTER 2 Instructor: Mr. Abhijit Parmar Course: Mobile Computing and Wireless Communication (2170710) Syllabus Chapter-2.3 Modulation Techniques Reasons for Choosing Encoding Techniques Digital data,
More informationKINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK
KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK SUB.NAME : COMMUNICATION THEORY SUB.CODE: EC1252 YEAR : II SEMESTER : IV UNIT I AMPLITUDE MODULATION SYSTEMS
More informationUniversity of Swaziland Faculty of Science Department of Electrical and Electronic Engineering Main Examination 2015
University of Swaziland Faculty of Science Department of Electrical and Electronic Engineering Main Examination 2015 Title of Paper Course Number Time Allowed Instructions Digital Communication Systems
More informationSUMMER 15 EXAMINATION. 1) The answers should be examined by key words and not as word-to-word as given in the
SUMMER 15 EXAMINATION Subject Code: 17535 Model Answer Important Instructions to examiners: 1) The answers should be examined by key words and not as word-to-word as given in the model answer scheme. 2)
More informationELECTRONICS AND COMMUNICATION ENGINEERING
INSTIT INSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad -500 043 ELECTRONICS AND COMMUNICATION ENGINEERING COURSE DESCRIPTOR Course Title Course Code Programme DIGITAL COMMUNICATIONS
More informationDIGITAL COMMUNICATION
DEPARTMENT OF ELECTRICAL &ELECTRONICS ENGINEERING DIGITAL COMMUNICATION Spring 00 Yrd. Doç. Dr. Burak Kelleci OUTLINE Quantization Pulse-Code Modulation THE QUANTIZATION PROCESS A continuous signal has
More informationComputer Networks - Xarxes de Computadors
Computer Networks - Xarxes de Computadors Outline Course Syllabus Unit 1: Introduction Unit 2. IP Networks Unit 3. Point to Point Protocols -TCP Unit 4. Local Area Networks, LANs 1 Outline Introduction
More informationCTD600 Communication Trainer kit
kit Digital RELATED PRODUCTS v Analog s v Optical Fibers s v Digital and Analog s v Communication Electronic Trainers v Function Generator and Power Supply v Multiple Signal Generator and 1 Line Code 2
More informationDigital Transceiver using H-Ternary Line Coding Technique
Digital Transceiver using H-Ternary Line Coding Technique Abstract In this paper Digital Transceiver using Hybrid Ternary Technique gives the details about digital transmitter and receiver with the design
More informationMODULATION AND MULTIPLE ACCESS TECHNIQUES
1 MODULATION AND MULTIPLE ACCESS TECHNIQUES Networks and Communication Department Dr. Marwah Ahmed Outlines 2 Introduction Digital Transmission Digital Modulation Digital Transmission of Analog Signal
More informationDigital Communication - Analog to Digital
Unit 26. Digital Communication Digital Communication - Analog to Digital The communication that occurs in our day-to-day life is in the form of signals. These signals, such as sound signals, generally,
More informationCOMMUNICATION SYSTEMS
COMMUNICATION SYSTEMS 4TH EDITION Simon Hayhin McMaster University JOHN WILEY & SONS, INC. Ш.! [ BACKGROUND AND PREVIEW 1. The Communication Process 1 2. Primary Communication Resources 3 3. Sources of
More informationBSc (Hons) Computer Science with Network Security, BEng (Hons) Electronic Engineering. Cohorts: BCNS/17A/FT & BEE/16B/FT
BSc (Hons) Computer Science with Network Security, BEng (Hons) Electronic Engineering Cohorts: BCNS/17A/FT & BEE/16B/FT Examinations for 2016-2017 Semester 2 & 2017 Semester 1 Resit Examinations for BEE/12/FT
More informationB.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER Third Semester Computer Science and Engineering CS 2204 ANALOG AND DIGITAL COMMUNICATION
B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011. Third Semester Computer Science and Engineering CS 2204 ANALOG AND DIGITAL COMMUNICATION Time : Three hours Maximum : 100 marks Answer ALL questions.
More informationCourse Developer: Ranjan Bose, IIT Delhi
Course Title: Coding Theory Course Developer: Ranjan Bose, IIT Delhi Part I Information Theory and Source Coding 1. Source Coding 1.1. Introduction to Information Theory 1.2. Uncertainty and Information
More informationDIGITAL COMMUNICATION
DIGITAL COMMUNICATION TRAINING LAB Digital communication has emerged to augment or replace the conventional analog systems, which had been used widely a few decades back. Digital communication has demonstrated
More informationV. CHANDRA SEKAR Professor and Head Department of Electronics and Communication Engineering SASTRA University, Kumbakonam
V. CHANDRA SEKAR Professor and Head Department of Electronics and Communication Engineering SASTRA University, Kumbakonam 1 Contents Preface v 1. Introduction 1 1.1 What is Communication? 1 1.2 Modulation
More informationAnalyze the spectral characteristics of band pass signaling schemes and their noise performance
Course Code: EC6501 Course Name: DIGITAL COMMUNICATIONL-3 : T-0 : P-0 : Credits 3 COURSE OBJECTIVES: 1. To know the principles of sampling & quantization 2. To study the various waveform coding schemes
More informationDEPARTMENT OF CSE QUESTION BANK
DEPARTMENT OF CSE QUESTION BANK SUBJECT CODE: CS6304 SUBJECT NAME: ANALOG AND DIGITAL COMMUNICATION Part-A UNIT-I ANALOG COMMUNICATION 1.Define modulation? Modulation is a process by which some characteristics
More informationPhysical Layer: Modulation, FEC. Wireless Networks: Guevara Noubir. S2001, COM3525 Wireless Networks Lecture 3, 1
Wireless Networks: Physical Layer: Modulation, FEC Guevara Noubir Noubir@ccsneuedu S, COM355 Wireless Networks Lecture 3, Lecture focus Modulation techniques Bit Error Rate Reducing the BER Forward Error
More informationUnderstanding Digital Communication Principles.
s Understanding Digital Communication Principles Scientech TechBooks are compact and user friendly learning platforms to provide a modern, portable, comprehensive and practical way to learn Technology.
More informationEC 6501 DIGITAL COMMUNICATION UNIT - II PART A
EC 6501 DIGITAL COMMUNICATION 1.What is the need of prediction filtering? UNIT - II PART A [N/D-16] Prediction filtering is used mostly in audio signal processing and speech processing for representing
More informationCommunication Theory II
Communication Theory II Lecture 13: Information Theory (cont d) Ahmed Elnakib, PhD Assistant Professor, Mansoura University, Egypt March 22 th, 2015 1 o Source Code Generation Lecture Outlines Source Coding
More informationEntropy, Coding and Data Compression
Entropy, Coding and Data Compression Data vs. Information yes, not, yes, yes, not not In ASCII, each item is 3 8 = 24 bits of data But if the only possible answers are yes and not, there is only one bit
More informationDigital Transmission (Line Coding) EE4367 Telecom. Switching & Transmission. Pulse Transmission
Digital Transmission (Line Coding) Pulse Transmission Source Multiplexer Line Coder Line Coding: Output of the multiplexer (TDM) is coded into electrical pulses or waveforms for the purpose of transmission
More information6. has units of bits/second. a. Throughput b. Propagation speed c. Propagation time d. (b)or(c)
King Saud University College of Computer and Information Sciences Information Technology Department First Semester 1436/1437 IT224: Networks 1 Sheet# 10 (chapter 3-4-5) Multiple-Choice Questions 1. Before
More informationDigital Communication
T.Y. Diploma : Sem. V [ET/EN/EJ/EX/ED/EI] Digital Communication Time: 3 Hrs.] Prelim Question Paper [Marks : 100 Q.1(a) Attempt any THREE of the following : [12] Q.1(a) (i) Give the advantages and disadvantages
More informationOutline. Communications Engineering 1
Outline Introduction Signal, random variable, random process and spectra Analog modulation Analog to digital conversion Digital transmission through baseband channels Signal space representation Optimal
More informationPROJECT 5: DESIGNING A VOICE MODEM. Instructor: Amir Asif
PROJECT 5: DESIGNING A VOICE MODEM Instructor: Amir Asif CSE4214: Digital Communications (Fall 2012) Computer Science and Engineering, York University 1. PURPOSE In this laboratory project, you will design
More informationPANIMALAR ENGINEERING COLLEGE
S.NO DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK FOR FIFTH SEMESTER(2017-2018) SUBJECT CODE SUBJECT NAME PAGE NO 1 EC6501 Digital Communication 1.1-1.39 2 EC6502 3 EC6503 4 EC6504
More informationDigital Modulation Lecture 01. Review of Analogue Modulation Introduction to Digital Modulation Techniques Richard Harris
Digital Modulation Lecture 01 Review of Analogue Modulation Introduction to Digital Modulation Techniques Richard Harris Objectives You will be able to: Classify the various approaches to Analogue Modulation
More information