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Wireless Local Loop (WLL), also called radio in the loop (RITL) or fixed-radio access (FRA) or fixed-wireless access (FWA), is the use of wireless connections as the last mile for delivering plain old telephone service (POTS) to customers.

Wireless Message Format (WMF) is a standard format for presenting data received through a paging system to mobile computers. The application at the MED uses this format to encode binary data and control information to be sent to a remote device. This information is received completely intact by the MCD.

Wireless Markup Language (WML), based on HTML and XML, delivers Internet content to small wireless devices, such as browser-equipped cellular phones and handheld devices, which typically have very small displays, slow CPUs, limited memory capacity, low bandwidth and restricted user-input capabilities. WML demands less memory and processing power from browsers than HTML and JavaScript. WML also includes features that tailor it for the relatively small display sizes of today's wireless devices. WML and HTML differ in significant ways. Although WML strips some features from HTML and co-opts others, WML also incorporates some powerful programming constructs not found in HTML like variables, tasks, and events. WML implements a stricter tag syntax than HTML and includes a DTD for use with XML parsers

Wireless Office Systems (WOS) is a technology that allows the user to transfer calls to a mobile telephone.

Wi-Fi Protected Access 2 (WPA2) is an enhanced version of WPA. It is the official 802.11i standard that was ratified by the IEEE in June, 2004. It uses the Advanced Encryption Standard instead of TKIP (see above). AES supports 128-bit, 192-bit and 256-bit keys.

Wireless Private Automatic Branch Exchange (WPABX) is a customer premise telephone switching system using wireless technology to link the individual user stations to the central switching unit. The WPABX is capable of interfacing to a telephone central office with trunk groups and routing calls based on a 3- or 4-digit telephone extension number.

Wireless Personal-Area Network (WPAN) is a personal area network using wireless connections. WPAN is used for communications among devices such as telephones, computer and its accessories, as well as personal digital assistants, within a short range. The reach of a PAN is typically within 10 meters. Technologies enabling WPAN include Bluetooth, ZigBee, Ultra-wideband(UWB), IrDA, HomeRF, etc.

Wireless Regional Area Network (WRAN) technology targets at wireless broadband (remote) access for geographically dispersed, sparsely populated areas. The transmission range can be up to 100Km, Non Line of Sight (NLOS) due to use of TV broadcast bands as License Exempt (LE) spectrum. The WRAN technology is useful for remote access to grid computer sites and to independent telcos operating in developing countries, rural or non- metropolitan areas. WRAN specifications are defined by the IEEE802.22 working committee.

The Wireless Session Protocol (WSP), a protocol in the Wireless Application Protocol (WAP) suite, provides the Wireless Application Environment a consistent interface with two services: connection-oriented service to operate above the Transaction Layer Protocol (WTP) and a connectionless service that operates above either secure or non-secure datagarm service (WDP). Currently, the protocols of the WSP family provide HTTP/1.1 functionality and semantics in a compact encoding, long lived session state with session suspend-and-resume capabilities, a common facility for reliable and unreliable data push as well as a protocol feature negotiation. These protocols are optimised to be used in low-bandwith bearer networks with relative long latency in order to connect a WAP client to a HTTP server.

Wideband Time Division Multiple Access (W-TDMA) is a technique based on time division transmission which is similar to that used by GSM but provides a much higher transmission rate. It was submitted as a solution for UMTS radio interface, but was rejected.

Explanation : IS-136, replacing IS-54 of the original tDMA standard, is the second-generation (2G) mobile phone systems used in the D-AMPS. IS-136 uses Time Division Multiple Access(TDMA) as an air interface.

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