Introduction to Communication Systems (EC 322M) - COE Alexandria | AASTMT
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Introduction to Communication Systems (EC 322M)

University/Academy: Arab Academy for Science, Technology & Maritime TransportFaculty/Institute: College of Engineering & TechnologyProgram: B.Sc. in Electronics & Communications EngineeringForm no. (12): Course Specification1- Course DataCourse Code: EC322M Course Title: Introduction to communication Systems Academic Year/Level: 3rd year / 6th semesterSpecialization: Electronics & Comm. Eng. No. of Instructional Units (hrs.) Prerequisite: Credit 3 Lecture 2 Tutorial 2 Practical 2 EC321M Contact 6 2- Course AimTo get the student familiar with different analog and digital communication systems: their block diagrams, modulators and demodulators, identify the difference between continuous and time discrete communications.3- Intended Learning Outcomesa- Knowledge and Understanding B.a.2. Principles of design including elements design, process and/or a systemrelated to specific disciplines.• Define the main components of communication systems• Describe the functions of each component • Identify the importance of each component• List different parameters that are used in amplitude modulation• Describe the time and frequency response• Explain the different types of generation techniques in AM• Define different parameters that are used in SSB modulation• Describe the time and frequency response• Define notion of phase and frequency offset• Describe the time and frequency response• Define notion of FDM and QAM• Describe the time and frequency responseD.a.12. Demonstrate knowledge and understanding of communication systems.• Define different parameters that are used in FM and PM • Describe the time and frequency response• Explain the different types of generation techniques in FM• Define notion of sampling and Nyquist rate • Describe the time and frequency response• Define different parameters that are used in sampling • Describe the time and frequency response• Define concept of PAM, PWM and PPM • Describe the time and frequency response• Identify different methods that are used in generation of analog pulse modulation • Describe the time and frequency response• Define different parameters that are used in PCM and line coding • Describe the time and frequency response• Define terms of companding • Describe the time and frequency response• Define different parameters that are used in DPCM • Describe the time and frequency responseb- Intellectual Skills Through intellectual skills, students will be able to:B.b.3. Select appropriate solutions for engineering problems based on analytical thinking.• Calculate the modulation index and modulation sensitivity• Classify each modulation type• Understand the basic differences between AM, FM and PM.• Understand the basic differences between PAM, PWM, and PPM.D.b.1. Select appropriate mathematical and computer-based methods for modeling and analyzing problems.• Produce basic designs of analog and digital communication systems.c- Professional and Practical Skills Through professional and practical skills, students will be able to:B.c.3. Practice the neatness and aesthetics in design and approach.• Analyze the DSB-TC, DSB-SC and VSB technique• Design AM modulators• Compare among these modulators• Analyze the SSB technique• Compare between SSB and VSB• Analyze phase offset in DSB-SC• Analyze the frequency offset in the SSB technique• Analyze the FDM and QAM technique• Analyze the FM technique• Design NBFM, WBFM modulator• Compare with DSB-TCD.c.3. Use appropriate analysis and design tools.• Analyze the response of LPF• Compare between flat and top sampling• Analyze the response and compare among them• Analyze the response and compare among them• Analyze using simulation• Design a non uniform quantizer • Design a Delta and DPSCM modulatord- General Skills Through general and transferable skills, students will be able to:D.d.2. Acquire entrepreneurial skills.• Verify theory with practice4- Course Content Week No.1 Revision of spectral analysis concepts and Hilbert Transform. Introduction to communication systems. Linear Modulation / Exponential modulation. Digital modulation basicsWeek No.2 Linear Modulation: Amplitude modulation (AM) DSB-TC: Mathematical analysis, spectrum of DSB-TC. Upper & lower side bands, power, efficiency. DSB-SC, Vestigial Side band (VSB)Week No.3 Generation of (AM) DSB-TC. Detection of (AM) DSB-TC: Square low detector. Envelop detector. Generation of (AM) DSB-SC: Product modulator. Balanced modulator. Ring modulator.Week No.4 Generation of SSB-SC: The frequency discrimination method. The phase discrimination method.Week No.5 Synchronous detection of Linear Modulation Signals. Effect of phase shift and frequency offset errors.Week No.6 Frequency Division multiplexing (FDM). QAM. Super heterodyne receiversWeek No.7 Exponential Modulation: FM and PM mathematical analysis, sensitivity and modulation index. FM and PM single tone modulation and conversion between them. Mathematical analysis of FM single tone. Bessel function. Bandwidth and power.Week No.8 Narrow band NBFM and WBPM. Phasor diagram. WBFM spectrum. Generation of FM. FM Armstrong generation. Detection of FM.Week No.9 Sampling theorem for low pass signals. Natural sampling relation to PAM. LPF reconstruction.Week No.10 Practical sampling (Flat top sampling), Reconstruction: S&H circuits. ZOH and FOH filtersWeek No.11 Analog Pulse Modulation: PAM, PWM and PPM . Bandwidth and power.Week No.12 Generation of and Conversion among PAM, PWM and PPM. Time-Division Multiplexing (TDM) of PAM, PWM and PPM.BW of PAM.Week No.13 Baseband Digital Modulation: Pulse Coding modulation (PCM), Quantization and coding. Basic PCM waveforms: RB, RZ and NRZ, Manchester codeWeek No.14 Nonlinear PCM generation. Companding (µ-law PCM, A-law PCM)Week No.15 Differential Modulation: DPCM and Delta Modulation (DM). Prediction.5- Teaching and Learning Methods• Lectures • Tutorials• Reports & sheets• Presentations• Projects• Discussions • Problem Solving • Self-Learning • Site visits • Experimental • Brain storming6-Teaching and Learning Methods for Students with Special Needs• Lectures • Tutorials• Reports & sheets• Presentations• Projects• Discussions • Problem Solving • Self-Learning • Site visits • Experimental • Brain storming Engineering Requirements and Design Considerations in college Buildings and its Leading Passages• The design of college buildings and pedestrian passages leading to it are sloppy to allow the transportation of the handicapped • Doors are wide enough to let wheel chairs pass through easily and conveniently.• Lifts are provided for movement between floors.• Doors are made from light-weight materials to make it easy for the handicapped suffering from weakness in limb muscles or those handicapped using prosthetic limbs to deal with them with the least muscular effort.• Class floors are made from non-slippery materials to prevent falls on the part of the handicapped.• Sudden changes in the floor level are prevented.Design Considerations of the Classes • Class boards are placed at 60 cm high to allow wheeled chair users or those suffering from limited arm mobility use them.• Enough spaces are left between seats and benches to prevent hindering the movement of wheeled chairs between them.• Handicapped students sit among normal people in class to be able to interact with them. Nevertheless, in urgent cases according to the nature of the disability, the handicapped students sit in fixed suitable places whether at the front or the back of the class.• Handicapped students sit close to the main exits of the class to be able to evacuate in case of emergencies.Construction Facility: Room number (234 A) is allocated and equipped with the essential educational tools for handicapped students.Academic Support:• Dr. Iman Gamal Morsi is appointed as an academic supervisor for handicapped students.Constant follow ups are done for handicapped students after each assessment to evaluate their academic level of achievement.7- Student Assessment     a- Procedures used 1. Written Examinations2. Oral Examinations3. Practical Examinations4. Assignments5. Presentations 6. Reports7. Quizes8. Projects9. Final Examinationb- Schedule and Weighing of Assessment Assessment 1 7th Week 30%Assessment 2 12th Week 20%Assessment 3 Final Exam 40%Assessment 4 Continuous Assessments 10% Total: 100%8- List of References:a- Course Notes Notes are handed-out to the students throughout the semester.b- Required Books (Textbooks) Lathi, B.P. and Zhi Ding “Modern Digital and Analog Communication Systems” 4th Ed. Oxford UNc- Recommended Books • J.Proakis & M.Salehi “ Communication System Engineering”d- Periodicals, Web Sites, etc. N/ACourse Coordinator Head of DepartmentName: Prof. Ehab Badran Name: Prof. Dr. Maha SharkasSignature: Signature: