Transcript MODULE 1 Introductio.. - Multimedia Communications Laboratory

MODULE 1: INTRODUCTION
SUMMER CHALLENGE
Electrical Engineering: Smart Lighting
Michael Rahaim, PhD Candidate
Multimedia Communications Lab
Smart Lighting Engineering Research Center
Boston University
[email protected]
Module I: Introduction to EE
07/06/2015
Overview
Boston
Welcome!
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 Introductions
 Course Structure and Objectives
 What is Electrical Engineering?
 Devices, Communication, Networks
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Module I: Introduction to EE
07/06/2015
Introductions
Boston
Instructor:
Mr. Michael Rahaim ([email protected])
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 Teaching Assistants
 Mr. David Tran
 Mr. Cristian Morales
 Mr. Than Tsiligkaridis
 Students… (That’s you…)
 Introduce yourself
 Share 2 facts about yourself
 Remember what is said! (We will come back to this later)
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Module I: Introduction to EE
07/06/2015
Introductions
Boston
The
Multimedia Communications Lab (MCL)
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 Primary Focus: “Ubiquitous distributed computing.”
 Various data communication techniques for a variety of content.
 The Smart Lighting Engineering Research Center
 10 years $18M+ from National Science Foundation
 Core Academic Members
=
 Engineering Light for a “brighter” future!
http://smartlighting.rpi.edu/
http://www.bu.edu/smartlighting/
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Module I: Introduction to EE
07/06/2015
Course Objectives
Boston
Become
familiar with:
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



The basic electrical components, circuits, signals and tools
Networking and communications concepts
Lighting and Light Emitting Diode (LED) technology
Visible Light Communication (VLC) technology
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Module I: Introduction to EE
07/06/2015
Course Overview
Boston
PC
Login: .\Challenge password: ECE[2015]
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 Course website: hulk.bu.edu/courses/SmartLight/
 Course Schedule:
Module
Topic
Activities
1
Introduction
Electrical Engineering, Networks, Data Communication, and Smart Lighting
2
Analog Discovery Board
Operating the Analog Discovery Board, Electricity, and Signals
3
Basic Circuits
Investigate the operation of resistive and capacitive circuits
4
LEDs
LED operation and Electrical Characterization
5
PDs and VLC links
PD Operation and Optical Channel Characterization
6
The Smart Lighting Board
VLC Transceiver PCB assembly
Assignment: Presentation Topic Decision
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Analog Transmission
Investigate VLC transmission using analog signals
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Digital Transmission
Investigate VLC transmission using digital signals
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VLC Applications
Arduinos, VLC text messages, and presentation rehearsal
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Presentations
Student presentations
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Module I: Introduction to EE
07/06/2015
Lab Notebooks
Boston
Entries:
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 Name / Group Members Names
 Date of Entry
 Experiment overview & hypothesis
 Sketches of experimental setup
 Measurements
 Calculations
 Results & observations
 Open questions
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Module I: Introduction to EE
07/06/2015
Exercise I: What is EE?
Hydro
…
Microelectronics
Power Grid
Nuclear
PCBs
Electromagnetics
Distribution
Boston University Slideshow Title Goes Here
Electronic
Circuits
Generation
Solar
Power
Systems
Digital
Logic
Home
Computers
End User
Lighting
EE
Power
Flight
automation
Computers
Embedded
Computing
Control
Systems
Signal
Processing
Automotive
Super
Computers
Machine to
Machine
Data
Comms
User
Devices
Robotics
Analog
circuits
Digital
Signal
Processing
Networks
IoT
Cellular
WLANs
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Module I: Introduction to EE
07/06/2015
Networks and Device Communication
Boston
What
are some devices that communicate?
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 OSI Reference Model:
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Module I: Introduction to EE
07/06/2015
Physical Layer
Boston
How
can information pass from point to point?
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 Audio waves
 Light Signals
 Radio Waves
 Electrical Signals
 Vibrations
 Attenuation
 What happens when the signal is passed over a longer distance?
 Signal to Noise Ratio
 Interference
S
S
S
N
N
S
N
N
 What considerations occur with interference in wired links?
 What about with wireless links?
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Module I: Introduction to EE
07/06/2015
Data Link Layer
Boston
Simplex
/ Duplex
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 Handshake – Message / Acknowledgement
 Full duplex vs half duplex
 Broadcasting
 Multiple Access
 Resource Allocation Techniques: TDMA, FDMA, CDMA
 Probabilistic Multiple Access Technique: CSMA
U1 U2 U3 U4 U1 U2 U3 U4 …
 Wireless Considerations
 Hidden Node Problem
 3way and 4way Handshake
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Module I: Introduction to EE
07/06/2015
Network Layer
Boston
Nodes,
Links, and Graphs
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 Addressing
 If you pass the message, how does the next device know the
destination of the message?
 Message passing
 Full vs Partial knowledge
 Internet Protocol (IP)
 Wireless Mesh Network
 Fully wireless networks also use routing concepts.
 Small conversations can occur simultaneously with minimal
interference!
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Module I: Introduction to EE
07/06/2015
Transport Layer
Boston
Maximum
Transmit Unit (MTU)
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 Packets have a maximum size limit.
 Destination node often needs to know how many packets to expect.
 Transport Layer also handles ordering of packets.
 Handshaking
 Sliding window (also used in the Data Link Layer)
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Module I: Introduction to EE
07/06/2015
Think – Pair – Share
Boston
What
did you
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today?
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