multi-frequency code

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• Multi-carrier code division multiple access — (MC CDMA) is a multiple access scheme used in OFDM based telecommunication systems, allowing the system to support multiple users at the same time. MC CDMA spreads each user symbol in the frequency domain. That is, each user symbol is carried… …   Wikipedia

• Multi-frequency receiver — Multi Frequency signalling, (MF), is similar to the European version, CCITT Signaling System 5, (SS5). The original format was five tones used in pairs. This later evolved to six tones. Because its six tones are used only in pairs, this signaling …   Wikipedia

• Multi-frequency signaling — In telephony, multi frequency signaling (MF) is an outdated, in band signaling technique. Numbers were represented in a two out of five code for transmission from a multi frequency sender, to be received by a multi frequency receiver in a distant …   Wikipedia

• Multi-frequency — In telephony Multi Frequency (MF) is an outdated, in band signaling technique. Numbers were represented in a two out of five code for transmission from a Multi Frequency Sender, to be received by a Multi frequency receiver in a distant telephone… …   Wikipedia

• Multi-frequency time division multiple access — MF TDMA (Multi Frequency, Time Division Multiple Access) is the leading technology for dynamically sharing bandwidth resources in an over the air, two way communications network. Many variations of MF TDMA technology (including simple TDMA) exist …   Wikipedia

• Dual-tone multi-frequency — (DTMF) signaling is used for telephone signaling over the line in the voice frequency band to the call switching center. The version of DTMF used for telephone tone dialing is known by the trademarked term Touch Tone (canceled March 13, 1984),… …   Wikipedia

• Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… …   Wikipedia

• Code — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia : « code », sur le Wiktionnaire (dictionnaire universel) Un code est un système de signes (noms, symboles …   Wikipédia en Français

• Code DTMF — Un code DTMF (dual tone multi frequency) est une combinaison de fréquences utilisée pour la téléphonie moderne. Ces codes sont utilisés pour la composition des numéros de téléphones (en opposition aux téléphones dits à impulsions), et ils ont… …   Wikipédia en Français

• Code division multiple access — This article is about a channel access method. For the mobile phone technology referred to as CDMA, see IS 95 and CDMA2000. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM  …   Wikipedia

• Multi-core — A multi core processor (or chip level multiprocessor, CMP) combines two or more independent cores into a single package composed of a single integrated circuit (IC), called a die, or more dies packaged together. The individual core is normally a… …   Wikipedia