Wireless networking
This presentation is the property of its rightful owner.
Sponsored Links
1 / 8

Wireless Networking PowerPoint PPT Presentation


  • 44 Views
  • Uploaded on
  • Presentation posted in: General

Wireless Networking. History and Implications. In the Beginning. Marconi found in the 1890s that he could transmit electrical signals over two lines that were disconnected Wireless Telegraph and Signal Company Tesla held the first patent but Marconi is credited as being the “Father of Radio”.

Download Presentation

Wireless Networking

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Wireless networking

Wireless Networking

History and Implications


In the beginning

In the Beginning

  • Marconi found in the 1890s that he could transmit electrical signals over two lines that were disconnected

  • Wireless Telegraph and Signal Company

  • Tesla held the first patent but Marconi is credited as being the “Father of Radio”


Overseas communication

Overseas Communication

  • In 1901 the first intercontinental wireless message was received

  • The letter “S”

  • 1927 Came the first commercial radiotelephone service between the U.S. and Britain


The 60s and 70s

The 60s and 70s

  • The Telstar satellite was launched into space in 1962

  • ARPANET was commissioned in 1968

  • The fist packet-switched networks came into play

  • The first wireless network was created in Hawaii (ALOHANET)


Since the alohanet

Since the ALOHANET

  • The internet boom

  • The 802.11 standardizing wireless networking in 1997

  • WiFi Hot-Spots in coffee shops, hotels and airports


Security implications

Security Implications

  • Over-Air communications can be sniffed fairly easily using free applications

  • Wired Equivalent Privacy (WEP)

  • TJ Max Having their credit card machines send credit card information using WEP

  • WiFi Protected Access (WPA)


Wrap up and the future

Wrap-Up and the Future

  • Wireless has been around for over a century

  • Since the University of Hawaii’s ALOHANET we have seen wireless networks all over.

  • Wi-MAX


The end

The End


  • Login