Networks
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Pat S
Date added:
May 7, 2017
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It was over fifty years ago, during World War II, when the United States Army first used radio signals for data transmission. They developed a radio data transmission technology, which was heavily encrypted. It was used quite extensively throughout the campaign with the US and her allies. This inspired a group of researchers in 1971 at the University of Hawaii to create the first packet based radio communications network...
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This inspired a group of researchers in 1971 at the University of Hawaii to create the first packet based radio communications network. ALOHNET, as it was named, was essentially the very first wireless local area network (WLAN)." [2]
Figure 1 - Simple WLAN using 802.1x from Lecture13 notes.
Frequency-hopping spread spectrum
The implementation of a wireless LAN is done with the use of radio-frequency technology...
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