EE322 Digital Communications 1EE322 A. Al-Sanie

Instructor: Abdulhameed Al-Sanie د. عبدالحميد الصانع Office: 2c30 Web page: Textbooks : 1.Communication Systems, 4th edition, S. Haykin, John Wiley & Sons, Inc., ISBN “Digital communications: Fundamentals and Applications” by Bernard Sklar, Prentice Hall, 2001, ISBN: EE322 A. Al-Sanie

Course Learning Objectives Students are expected to demonstrate the ability to: Learn the fundamental concepts of a digital telecommunication system. Characterize sampling and quantization of analog signals to generate pulse modulation. Analyze baseband transmission of digital signals. Study the geometric representation of signals. Analyze and design passband digital communications techniques. Describe the architecture of common digital communication systems. Determine the bit error rate of basic modulation formats when operating in white Gausian Noise environments. Determine the advantages of error correcting codes on the performance of digital communication systems. Design digital communication systems to operate in noisy environments and to achieve basic system specifications on bandwidth usage, data rate, and error rate performance. Understand basic concepts of source coding. 3 EE322 A. Al-Sanie

Topics: Review of probability theory and random variables. Random Processes Baseband Transmission. Digital Passband transmission. Coherent Digital Modulation Schemes. Non-coherent Digital Modulation Schemes. Information Theory. Error Control Coding. 4 EE322 A. Al-Sanie

Topics Week Review of probability theory and random variables. Random Processes 1 Sklar Baseband Transmission: Detection of binary signals in Gaussian noise - Maximum likelihood receiver structure. - The matched filter. - Correlation realization of the matched filter - Bit Error probability performance of binary signaling. Inersymbol Interference - Pulse shaping to reduce ISI. - Nyquist Bandwidth constraint EE322 A. Al-Sanie

Digital Digital Passband transmission Passband Transmission model. Gram-Schmidit Orthogonalization Procedure. Geometric Representation of signals. 4 Ch. 6 Haykin Coherent Digital Modulation Schemes Introduction to coherent modulation schemes. Binary Phase Shift Keying (BPSK). Binary Frequency Shift Keying (BFSK). Binary Amplitude Shift Keying (BASK). M-ary Modulation schemes (M-PSK, M-FSK, M-QAM). Power Spectra of Binary PSK signals. Power Spectra of Binary FSK signals. Power Spectra of M-PSK signals. Power Spectra of M-FSK signals. Bandwidth Efficiencies of M-FSK and M-PSK signals. Performance and comparison between different modulation techniques EE322 A. Al-Sanie

Topics Week Ch.6 Haykin Non-coherent Digital Modulation Schemes Binary DPSK. Noncoherent binary FSK. 8 Ch.9 Haykin Information Theory Uncertainty, information, and Entropy. Source Coding. Discrete memoryless channels. Channel capacity Ch. 6 Sklar Error Control Coding Linear Block codes. Convolutional code. Viterbi decoder for convolutional codes EE322 A. Al-Sanie

Grading: First Exam: 25% Date: Monday 27 /4/1431 Second Exam: 25% Date: Sat. 22 /6/1431 Homework and Quizzes: 10% Final Exam: 40% EE322 A. Al-Sanie 8

Attendance Policy: According to KSU policy, every student should attend at least 75% of the course classes. Those who fail to fulfill this condition will fail in the course. EE322 A. Al-Sanie 9

10 بداية الدراسة للفصل الدراسي الثاني يوم السبت 6 / 3 / 1431 هـ. بداية اجازة منتصف الفصل الثاني نهاية دوام الاربعاء 29 / 4 / 1431 هـ. بداية الدراسة بعد اجازة منتصف الفصل الثاني يوم السبت 10 / 5 / 1431 هـ. بداية اختبارات الفصل الثاني يوم السبت 7 / 7 / 1431 هـ.