Chapter 2: Transmission Mediaziarko/cs335/cs335_WZ2.pdf · 1.6465-1.66 5.925-6.425 14.0—14.5...

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1 Chapter 2: Transmission Media Analog vs. Digital Signals

Transcript of Chapter 2: Transmission Mediaziarko/cs335/cs335_WZ2.pdf · 1.6465-1.66 5.925-6.425 14.0—14.5...

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Chapter 2: Transmission Media

Analog vs. Digital Signals

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Analog Signal Properties

Telegraph

3

Repeater

Coaxial Cable

4

Refraction vs. Reflection

Light Transmission Through Fiber

5

Dealing with Modal Dispersion

Single Mode Fiber

6

Electromagnetic Spectrum

Signal Reception

7

Horn Antenna

8

Towers as Repeaters

Satellite Communications 1

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Satellite Communications 2

Satellite Bands

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Atmospheric Interference

Signal Overlap

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No Signal Overlap

Low Earth Orbit Satellites

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Signal Relay via Satellites

Teledesic Satellite

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Wireless LAN’s

Max frequency: 2.4 GHzData rate: up to 100Mbs possible

Bluetooth

Wireless technology for connecting electronic devicesDistance up to 10 meters, data rate about 1Mbps

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Codes

Baudot Code

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ASCII Code Transmission

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End of Chapter 2