In 1999, the Wi-Fi Alliance formed as a trade association to hold the Wi-Fi trademark under which most products are sold.
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28 Facts About Wi-Fi
2.
Wi-Fi uses a large number of patents held by many different organizations.
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3.
Australia claims Wi-Fi is an Australian invention, at the time the subject of a little controversy.
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4.
Name Wi-Fi, commercially used at least as early as August 1999, was coined by the brand-consulting firm Interbrand.
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5.
Wi-Fi Alliance used the advertising slogan "The Standard for Wireless Fidelity" for a short time after the brand name was created, and the Wi-Fi Alliance was called the "Wireless Fidelity Alliance Inc" in some publications.
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6.
The yin-yang Wi-Fi logo indicates the certification of a product for interoperability.
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7.
For example, public outdoor Wi-Fi technology has been used successfully in wireless mesh networks in London.
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8.
Wi-Fi provides services in private homes, businesses, as well as in public spaces.
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9.
Wi-Fi positioning systems use the positions of Wi-Fi hotspots to identify a device's location.
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10.
Wi-Fi sensing is used in applications such as motion detection and gesture recognition.
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11.
Wi-Fi establishes link-level connections, which can be defined using both the destination and source addresses.
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12.
Internetworking purposes, Wi-Fi is usually layered as a link layer below the internet layer of the Internet Protocol.
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13.
Wi-Fi allows communications directly from one computer to another without an access point intermediary.
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14.
Similarly, the Wi-Fi Alliance promotes the specification Wi-Fi Direct for file transfers and media sharing through a new discovery- and security-methodology.
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15.
Except for the smallest implementations, Wi-Fi implementations have moved toward "thin" access points, with more of the network intelligence housed in a centralized network appliance, relegating individual access points to the role of "dumb" transceivers.
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16.
The high power consumption of Wi-Fi makes battery life in some mobile devices a concern.
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17.
Wi-Fi protocols are designed to share the wavebands reasonably fairly, and this often works with little to no disruption.
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18.
Nevertheless, Wi-Fi networks are still susceptible to the hidden node and exposed node problem.
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20.
The price of chipsets for Wi-Fi continues to drop, making it an economical networking option included in ever more devices.
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21.
Products designated as "Wi-Fi Certified" by the Wi-Fi Alliance are backward compatible.
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22.
Security standard, Wi-Fi Protected Setup, allows embedded devices with a limited graphical user interface to connect to the Internet with ease.
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23.
Wi-Fi Protected Setup has 2 configurations: The Push Button configuration and the PIN configuration.
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24.
Increasingly in the last few years, embedded Wi-Fi modules have become available that incorporate a real-time operating system and provide a simple means of wirelessly enabling any device that can communicate via a serial port.
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25.
Wi-Fi Protected Access encryption, which became available in devices in 2003, aimed to solve this problem.
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26.
On unencrypted Wi-Fi networks connecting devices can monitor and record data .
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27.
Wi-Fi Protected Access encryption is considered secure, provided a strong passphrase is used.
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28.
Wi-Fi networks have affected how the interior of homes and hotels are arranged.
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