Lecture 1: Introduction Net 222 Communications and networks fundamentals Networks and Communication Department Lecture 1: Introduction

Instructor information Name: Wejdan Al-suryyi/May Al Khamis. Email: wialsuryyi@pnu.edu.sa/mabalkhamis@pnu.edu.s a Office #: 0.701.17/0.701.23 Office hours: Blog : http://net222pnu.wordpress.com/ Networks and Communication Department

Textbooks "Signals and Systems", Oppenheim Willsky, Nawab and Prentice-Hall. Data and Computer Communications", by William Stalling, Prentice-Hall 11-Nov-18 Networks and Communication Department

Course Syllabus Topics to be covered : Introduction to Data Communication. Types of Signals and its Properties. Types of Communications. Transmission Impairments. Transmission Media. Modulation and Encoding Techniques. Data Multiplexing Transmission Types. Error Control. Network Models 11-Nov-18 Networks and Communication Department

Course grading Networks and Communication Department نسبته من التقويم النهائي - Percentage from overall score الدرجة - score الاسبوع المحدد له - week طريقة التقييم - Assessment Method 10% 10 8 Midterm1 12 Midterm2 5% 5 6 Quiz1 11 Quiz2 TBA Assignments or participation 40% 40 Final exam أسبوعيا Lab work Practical assignments and quizzes 15% 15 13 Final lab Networks and Communication Department

Instruction All quizzes and midterms Will be given during the lectures. There are No make-up quizzes under ANY circumstances. Students who are absent On Midterm exam day due to illness are required to bring a signed medical Excuse letter Networks and Communication Department

Attendance ملاحظات: تشمل الساعات النظري والعملي فقط عدد الساعات المقررة نوع الإنذار إنذار أول إنذار ثاني إنذار ثالث 10% 20% 25% أربع ساعات (3نظري-1عملي) 6 وأكثر 12 وأكثر 15 وأكثر ملاحظات: تشمل الساعات النظري والعملي فقط تشمل ساعات الغياب بعذر أو بدون عذر تحرم الطالبة من دخول الاختبار إذا تجاوز غيابها 25% Networks and Communication Department

Course Plan: 11-Nov-18 Notes Topic Week   Introduction -Types of Signals & its Properties. Continuous-Time & Discrete-Time Signals 1 Analog & Digital Signals, Periodic Signals, Even & Odd Signals, Real & Complex Signals, Exponential & Sinusoidal Signals 2 Time Shift Transformation Unit Step and Unit Impulse Functions 3 Tue 28-National day Systems and Classifications of Systems Linear-Time-Invariant Systems Convolution Sum 4 Eid Vacation Conut. 5 Quiz 1 Types of communications Time domain and frequency domain Spectrum, Bandwidth and Data Rate Transfer, and relations between them 6 Transmission Impairments: Attenuation, delay distortion, noise, Channel capacity, Nyquist Bandwidth, Shannon capacity formula 7 Midterm(1)- Sunday Transmission media: Guided media (twisted-pair, coaxial and optical fiber cables)Unguided media (wireless) 8 11-Nov-18 Networks and Communication Department

Finals- 17/3/1436-7/1/2015- day Wednesday – Time 8:30-10:30 a.m.   Modulation and Encoding Techniques: Digital Data to Analog Signals (ASK, FSK,PSK) Digital Data to Digital Signals (NRZI, NRZL,AMI, Manchester) Analog Data to Digital Signals, Nyquest Theory for Sampling 9 Conut. 10 Quiz 2 Data Multiplexing (TDM, FDM) 11 Midterm(2)- Sunday Transmission Types: Serial, and Parallel - Communication Types: FDX, HDX - Communication Methods: Synchronous and Asynchronous, Forwarding 12 Final Lab Error Control: Error Detection, Error Correction Retransmission Technique: ARQ 13 14 Network Models Wired LANs and Wireless LANs Internetworking and Addressing 15 16 17 Finals- 17/3/1436-7/1/2015- day Wednesday – Time 8:30-10:30 a.m. Vacation - 24/3/1436 Networks and Communication Department