WiFi service in FTTH PON application

Wi-Fi Service Application

The Wi-Fi Alliance defines Wi-Fi as any “wireless local area network” (WLAN) product based on the Institute of Electrical and Electronics Engineers’ (IEEE) 802.11 standards. However, the term “Wi-Fi” is used in general English as a synonym for “WLAN” since most modern WLANs are based on these standards. “Wi-Fi” is a trademark of the Wi-Fi Alliance. The “Wi-Fi Certified” trademark can only be used by Wi-Fi products that successfully complete Wi-Fi Alliance interoperability certification testing.
  The FOT OLT supports Wi-Fi service application. It allows access of wireless terminals and wired terminals via home gateway device, so as to meet various demands of subscribers.

Many devices can use Wi-Fi, e.g. personal computers, video-game consoles, smartphones, digital cameras, tablet computers and digital audio players. These can connect to a network resource such as the Internet via a wireless network access point. Such an access point (or hotspot) has a range of about 20 meters (66 feet) indoors and a greater range outdoors. Hotspot coverage can be as small as a single room with walls that block radio waves, or as large as many square kilometres achieved by using multiple overlapping access points.
  The FOT OLT supports two types of home gateway: GPON uplink interface or EPON uplink interface. The home gateway covers homes, schools and public areas via wireless network, to allow wireless access of terminal devices such as laptops and mobile phones. The home gateway supports simultaneous access of data, voice and multicast services to allow Triple Play. See following figure for an illustration of the FOT OLT’s Wi-Fi service application network.

WiFi service in FTTH PON application

WiFi service in FTTH PON application

Wi-Fi can be less secure than wired connections, such as Ethernet, precisely because an intruder does not need a physical connection. Web pages that use TLS are secure, but unencrypted internet access can easily be detected by intruders. Because of this, Wi-Fi has adopted various encryption technologies. eg. Higher quality protocols (WPA, WPA2) were added later.

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