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EELE 5490 Fall 2009
EELE 5490, Fall, 2009
Wireless Communications
Ali S. Afana
Department of Electrical Engineering
Class 1
Sep. 30th, 2009
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OutlineOutline
Instructor information Motivation to study wireless communications and networks Course descriptions and textbooks What you will study from this course
Objectives Coverage and schedule Homework, projects, and exams
Other policies Reasons to be my students
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Instructor InformationInstructor Information
Office location: B262 Email: [email protected] Phone: 2809 Course website: http://www.iugaza.edu/aliafana Research interests: Cognitive Radio
Intelligent Wireless Communications
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MotivationsMotivations
Recent Development– Cellular system: 3G, 4G, video, game,
– WIFI everywhere
– WIMAX,
– UWB, no cables
– Bluetooth, small devices connections
Job Market – Probably one of most easy and high paid majors recently
– Intel changes to wireless, Micron will follow? Cypress
Research Potential – multiuser communication & Cognitive radio are still an
open issues.
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Course DescriptionsCourse Descriptions
What is the wireless communication system? What are the wireless channels? What are the theorems? What are the major components and techniques? How is the information transmitted? What are the current industrial standards? Can I find a job by studying this course? Can I find research topics?
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Textbook and SoftwareTextbook and Software
Require textbook:
Wireless Communications: Principles and Practice, 2nd Edition, Theodore S. Rappaport, Prentice Hall, 2001.
Require Software: MATLAB; Recommended readings
Digital communications: J. Proakis, Digital Communications Random process: G.R. Grimmett and D.R. Stirzaker, Probability and
Random Processes Estimation and detection: H.V. Poor, An introduction to Signal
Detection and Estimation Information theory: T. M. Cover and J. A. Thomas, Elements of
Information Theory Error correct coding: P.Sweeney, Error Control Coding Computer Networks: A. S. Tanenbaum, Computer Networks
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ScheduleSchedule
Cellular concept and network concept- Chapter 2
Wireless Channel Large scale loss: chapter 3 Small scale loss, Fading: chapter 4
Wireless communications technique Modulation, chapter 5 Equalization, diversity and channel coding, chapter 6
Wireless Networks and Standards chapter 8,9,10
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Homework, Project, and ExamHomework, Project, and Exam
Homework 3~4 questions per week
Projects: Wireless Channel Simulation: simple MATLAB programs Term presentation:
For research on xxx, what is the state-of-art
Exams Votes for the percentages for homework, projects, and exams
Participations Attendance and Feedback
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Teaching StylesTeaching Styles
Slides plus black board Slides can convey more information in an organized way Blackboard is better for equations and prevents you from not coming. A lesson from last semester: math
Course Website Print handouts with 3 slides per page before you come Homework assignment and solutions Project descriptions and preliminary codes
Feedback Too fast, too slow, small class advantages. Presentation, English, …
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Reasons to be my studentsReasons to be my students
Wireless Communication and Networking have great market Usually highly paid and have potential to retire overnight Highly interdisciplinary Do not need to find research topics which are the most
difficult part. Research Assistant, Stipend Free trips to conferences in Alaska, Hawaii, Europe, Asia… A kind of nice (at least looks like) Work with hope and happiness Graduate fast
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Questions?Questions?
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Wireless CommunicationsWireless Communications Satellite
TV
Cordless phone
Cellular phone
Wireless LAN, WIFI
Wireless MAN, WIMAX
Bluetooth
Ultra Wide Band
Wireless Laser
Microwave
GPS
Ad hoc/Sensor Networks
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Channel, Bandwidth, SpectrumChannel, Bandwidth, Spectrum Bandwidth: the number of bits per second is proportional to B
http://www.ntia.doc.gov/osmhome/allochrt.pdf
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Mobile Radio telephoneMobile Radio telephone
AMPS:
advanced
mobile phone
system
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North American Major StandardsNorth American Major Standards PCS GSM Coreless FDMA TDMA CDMA Modulation
– FM– QPSK– GMSK– BPSK– QAM
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Europe StandardsEurope Standards GSM
CT2
Dect
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Japan StandardsJapan Standards
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Basic conceptsBasic concepts Simplex, half-duplex, and full duplex
Frequency division duplexing, FDD– Most of system because of simplicity
Time division duplexing, TDD: – indoor system only, because of delay
Different from FDMA and TDMA
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Basic concepts (cont.)Basic concepts (cont.)
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Pager SystemPager System
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Cellular systemCellular system Mobile identification number (MIN) electronic serial number (ESN)
Chapter 2
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Land phone calls cellular phoneLand phone calls cellular phone
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Cellular phone calls land phoneCellular phone calls land phone
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Mobile Mobile
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Base StationBase Station
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HomeworkHomework Read Chapter 1
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Questions?Questions?