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History of wireless networking

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History of wireless networking

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The first true Wireless Networking Equipment
was the ALOHAnet, developed within Hawaii University in the early 1970s. This led to the development of wireless networks that are in common use today, such as the 802.11 WLAN standards and 802.15 Bluetooth PAN standards.

The first true Wireless Networking Equipment
was the ALOHAnet, developed within Hawaii University in the early 1970s. This led to the development of wireless networks that are in common use today, such as the 802.11 WLAN standards and 802.15 Bluetooth PAN standards.

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History of wireless networking

  1. 1. History of Wireless Networking The first true Wireless Networking EquipmentNetworking Equipment was the ALOHAnet, developed within Hawaii University in the early 1970s. This led to the development of wireless networks that are in common use today, such as the 802.11 WLAN standards and 802.15 Bluetooth PAN standards.
  2. 2. ALOHA used a random access method for packet data over UHF frequencies and this system of sending packet data became know as the ALOHA channel method. The ALOHA net was used to link a number of computers over 4 of the Hawaiian islands. Adoption of this method of communication spread into the satellite world and was even used in some early first and second generation mobile phone systems.
  3. 3. The ALOHA experiment prompted much research into packet radio networks using spread spectrum techniques, and in 1985 experimental frequency bands were allocated by the FCC for the use of spread spectrum techniques for commercial purposes. These bands became know as the ISM (Industrial, Scientific and Medical) bands, originally for use with non- communication devices such as Microwave Ovens and hospital equipment such as diathermy machines used as a muscle relaxant by creating heat.
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