wireless signalling

См. также в других словарях:

• Wireless Terminal Location Registration — (WTLR) is the method by which mobile telephones locate the tower to which it transmits and receives wireless signals.External References* [http://www.ecma international.org/publications/standards/Ecma 301.htm ECMA 301 Private Integrated Services… …   Wikipedia

• Wireless telegraphy — The term Wireless Telegraphy is a historic term used today as applied to early radio telegraph communications techniques and practices. Wireless telegraphy originated as a term to describe electrical signaling without the electric wires to… …   Wikipedia

• Signalling System No. 7 — SS7 protocol suite OSI layer SS7 protocols Application INAP, MAP, IS 41... TCAP, CAP, ISUP, ... Network MTP Level 3 + SCCP Data link MTP Level 2 …   Wikipedia

• Railway signalling — Not to be confused with Railway signal. A gantry of British semaphore signals seen from the cab of a steam locomotive Railway signalling is a system used to control railway traffic safely, essentially to prevent trains from colliding. Being… …   Wikipedia

• AT&T Wireless Services — This article is about the defunct wireless provider. For the wireless subsidiary of AT T Inc., see AT T Mobility. New Cingular Wireless Services, Inc. Type Private (subsidiary of AT T Mobility) Industry …   Wikipedia

• Cab signalling — is a railroad safety system that communicates track status information to the train cab (driving position), where the engineer or driver can see the information. The simplest systems display the trackside signal aspect (typically, green, yellow… …   Wikipedia

• Cisco Wireless IP Phone 7920 — Cisco 7920 Wireless IP Phone The Wireless IP Phone 7920 is a mobile phone branded by Cisco Systems, Inc. that communicates via IEEE 802.11b technology. According to C. Giancarlo, senior vice president of switching, voice, and carrier systems at… …   Wikipedia

• Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …   Wikipedia

• Jagadish Chandra Bose — Infobox Scientist name = জগদীশ চন্দ্র বসু Jagadish Chandra Bose caption = Jagadish Chandra Bose in his lab birth date = birth date|1858|11|30|df=y birth place = Mymensingh, East Bengal (now Bangladesh), British India death date = death date and… …   Wikipedia

• Reginald A. Fessenden — Reginald Fessenden Pour les articles homonymes, voir Fessenden. Reginald Fessenden Reginald Aubrey Fessenden (6 octobre 1866 à …   Wikipédia en Français

• Reginald Aubrey — Reginald Fessenden Pour les articles homonymes, voir Fessenden. Reginald Fessenden Reginald Aubrey Fessenden (6 octobre 1866 à …   Wikipédia en Français