Section outline

  • Digital Communication

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    Welcome to  Digital Communication

    Dear Beloved Students

    “Successful and unsuccessful people do not vary greatly in their abilities. They vary in their desires to reach their potential.” – John Maxwell

    “Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.” – Thomas A. Edison

    "Failure is the opportunity to begin again more intelligently.” – Henry Ford

    Hope you will enjoy with me with the Course ‘Digital Communication !!!

    Instructor's Profile 

    Tasnuva Ali is an Assistant Professor of Electronics and Telecommunication Engineering at Daffodil International University where I have been a faculty member since 2008. I completed my M.Sc (Masters of Science) at North South University and B.Sc (Bachelor of  Science) at Daffodil International University from the Department of ETE. 

    Now I am doing my PhD at University of Sains Islam Malaysia on IoT Security. 

    My research interests lie in the area of Communication, Electronics and Security of IoT. I have participated in a couple of conferences and workshops for developing my teaching pedagogy. 


    Office Address: Permanent Campus, Room No-706 (AB Building)
    Cell Number: 01610001849
    Email Address: tasnuva@daffodilvarsity.edu.bd
    Webpage:https://faculty.daffodilvarsity.edu.bd/profile/ete/tasnuva.htm


  • Introduction



    • Rationale: 

      For both wired and wireless distant communication, Modulation is an obvious need. To transmit the signal in far way with higher data rate and in secured way, digital modulation is an essential tool. Different and special kinds of modulation techniques are needed to be learned. In addition, different kinds of channel sharing techniques and their business essentials are also needed to be studied. These will help them to select better modulation and access techniques for relevant modern systems.


      Objectives:

      1. To build clear concept about digital modulation techniques

      2. To build clear concept on different kinds of multiplexing and access techniques.

      3. Able to analyze hands-on problems using digital Communication.

      4. Able to calculate the maximum achievable data rate for a given system.

      5. Able to calculate required BW and Power for a communication system.

      6. Able to relate various problems on higher level course.

      7. To improve communication skill through presentation.

      8. To develop leadership quality through Group work.

      9. To build up decision making ability through assignment.

    • Guidelines:

      • All the students registered for this course have to enroll in Moodle
      • There are in total 28 lectures in this course.
      • Students can find all the course materials from Moodle.
      • All the students have to submit the soft copy of their assignment in Moodle  and for this they will be graded here.
      • One discussion or feedback forum is created under each of the Class Lectures. Students have to give their feedback on these forum.
      • Any announcement regarding the class will be posted or make up on Moodle. So they have to keep themselves always active on Moodle.
      • All the quizzes  will be held on face to face in class. 
      • Assessment and marks distribution criteria is given under this section.


    • Grading and Marks Distribution:
      Attendance:      07 %
      Assignment:      05 %
      Presentation:    08 %
      Quizzes:             15 % (3 Quizzes will be taken and their average will be counted)
      Midterm:            25 %
      Final Term:        40 %
      Total:                  100 %
      Based on this score final grades on the subject will be awarded.


    • url icon
      Course Profile ICE 311 URL
    • book icon
      E-book for Communication Systems
    • resource icon
      Book for reference File

  • WEEK 1-2

    1-Digital communication system model | Download Scientific Diagram


    Introductory Class and Communication System


  • WEEK 3-4

    The Difference between Bit Rate and Baud Rate - Tech-FAQ

    Attenuation and Bit rate, Baud rate and Related Maths

  • WEEK 5-6

    Amplitude Modulation (AM) Explained - YouTube


     Digital to Analog Modulation

  • WEEK 7-8

    Applications of Frequency Modulation – MyRank

    Frequency and Phase Modulation

  • WEEK 9

    Difference between Pulse Code Modulation (PCM) and Delta Modulation (DM) - GeeksforGeeks

    Pulse Code Modulation (PCM)

  • Assignmnt

    Assignment

    • Explain DPCM and Delta Modulation with proper figure and calculation.

    • assign icon
      Submit Your Assignment (PDF)

  • Week 10-11

    Highlighted

    Types of Multiplexing in Data Communications - GeeksforGeeks

    Multiplexing


    • Learning Outcomes: 

      At the end of the session students will be able to :

      • Multiplexing and their types
      • Applications and Related Maths

      Lecture Contents:

      • Multiplexing and Demultiplexing Process 
      • Frequency Division Multiplexing
      • Time Division Multiplexing
      • Wavelength Division Multiplexing
      • Applications and Related Mathematics

    • resource icon
      Lecture Content File
    • assign icon
      Submit Your Homework Assignment
    • url icon
      Supportive Link URL
    • forum icon
      Forum

  • Week 12-13

    Transmission Multiple Access Techniques - The Telecom Generations

    Multiple Access

    • Learning Outcomes: 

      At the end of the session students will be able to :

      • Multiple Access and their types
      • Applications and Related Maths

      Lecture Contents:

      • Frequency Division Multiple Access
      • Time Division Multiple Access
      • Code Division Multiple Access
      • Applications and Related Mathematics

    • resource icon
      Lecture Content File
    • url icon
      Supportive Link URL
    • forum icon
      Forum

  • Week 14-15

    Analog Transmission of Digital Data: ASK, FSK, PSK, QAM


    Digital Modulation

    • Learning Outcomes: 

      At the end of the session students will be able to :

      • Digital Modulation Techniques and their types
      • Applications and Related Maths

      Lecture Contents:

      • Amplitude Shift Keying
      • Frequency Shift Keying
      • Phase Shift Keying
      • Quadrature Amplitude Modulation 

    • resource icon
      Lecture Content File
    • url icon
      Supportive Link URL
    • forum icon
      Forum

  • Week 16

    Radio & Technology


    Spreading and Dispreading :


    • Learning Outcomes: 

      At the end of the session students will be able to :

      • Spreading Process
      • Applications and Advantages

      Lecture Contents:

      • Spreading Process
      • Dispreading Process
      • Advantages of Spreading
      • Applications and Related Maths.

    • url icon
      Supportive Link URL
    • resource icon
      Lecture Content File
    • forum icon
      Forum

  • Week 17

    Frequency hopping spread spectrum

    Frequency Hopping

    • Learning Outcomes: 

      At the end of the session students will be able to :

      • Frequency Hopping Process
      • Applications and Advantages

      Lecture Contents:

      • Frequency Hoping System
      • Frequency Hopping Techniques 
      • Advantages of Frequency Hopping
      • Applications and Related Moths.

    • resource icon
      Lecture Content File
    • url icon
      Supportive Link URL
    • forum icon
      Forum

  • Presentation

  • WEEK 18

    What does the term LOS communication mean? Name the types of waves that are used for this communication. Give typical examples, with the help of suitable figure, of communication systems that use

    Different Types of Media and Propagation Modes

    • Learning Outcomes: 

      At the end of the session students will be able to :

      • Different Types of Media
      • Different Propagation Modes

      Lecture Contents:

      • Twisted Pair, Coaxial and UTP cable
      • Optical Fiber Communication
      • Ground, Sky and LoS Propagation

    • url icon
      URL File
    • resource icon
      Lecture Notes File
    • forum icon
      Forum: Ask Your Questions

  • WEEK 19

    Different Line Coding Techniques

    Line Coding

    • Learning Outcomes: 

      At the end of the session students will be able to :

      Lecture Contents:

      • Unipolar Coding
      • Bipolar Coding
      • Line Coding: NRZ-I, NRZ-L, RZ, Manchester, Differential Manchester

    • resource icon
      Lecture Notes File
    • url icon
      Line Coding URL
    • forum icon
      Forum: Ask Your Questions

  • WEEK 20

    • Find Out What's In Your Public Record - Enter a Name to Begin

      Error Correction

    • Learning Outcomes: 

      At the end of the session students will be able to :

      • Error Correction
      • Error Correction Process

      Lecture Contents:

      • Bit Error and Burst Error
      • Error Correction using XOR operation
      • Different Error Correction Process

    • url icon
      URL Link
    • resource icon
      Error Correction Lectures File
    • resource icon
      Error Correction Lecture 2 File
    • forum icon
      Forum: Ask Your Questions

  • Final Examination


    The Marks Distribution of Final Examination will given below:

    1. You have to answer ALL THE QUESTIONS.

    2. Every question will carry 10marks.

    3. Each question will be divided into three sections (a , b , c).

    All the best for your final examination.