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Wireless Networking (802.11-1997 (Low interoperability due to loose…
Wireless Networking
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802.11a
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Uses OFDM
Orthogonal Frequency-Division Multiplexing.
Transmits a signal over several sub signals for
higher efficiency.
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802.11b
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Uses DSSS
Direct-Sequence Spread Spectrum.
Transmits a signal over several sub signals for
higher efficiency
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Wi-Fi
Advantages:
Fast (11 Mbps).
Reliable.
Long Range (up to 1000 ft outdoors, 400 ft indoors).
Easy integration to wired networks.
Compatible with original 802.11 DSSS standard.
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ITL Wireless Equipment
2 Wireless Access Point Routers (with
built in 4 port switch).
Wired Equivalent Privacy (WEP) available.
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Performance
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Outside Range
To the SC lecture wing door (closest to ERC).
Covers faculty lot next to ERC.
Half way to Rowley.
Connection slows as move away from access point
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Wireless Access Point
LINKSYS:
Model No. BEFW11S4 ver. 2.
Supports:
IEEE 802.3 (10BaseT).
IEEE 802.3u (100BaseTX).
IEEE 802.11b (Wireless).
Built-in router capability:
Obtains a Clarkson IP and uses DHCP.
Built-in 4 port switch.
Fully-configurable through simple web interface.
Summer Research
Protocol
Method of Communication.
Spoken Language.
Networked Programs (AIM).
HTTP, Telnet, FTP.
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