spectrum code division multiple access

spectrum code division multiple access
многостанционный доступ с кодовым уплотнением каналов путём расширения спектра сигналов; см. spread spectrum code division multiple access

Англо-русский словарь промышленной и научной лексики. 2014.

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  • 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

  • Synchronous Code Division Multiple Access — In data communications, Synchronous Code Division Multiple Access (or SCDMA), is a multiplex method based on spread spectrum code division multiple access.ee also* TD SCDMA …   Wikipedia

  • 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

  • Direct-sequence code division multiple access — (DS CDMA) is a multiple access scheme based on direct sequence spread spectrum, by spreading the signals from/to different users with different codes. It is the most widely used type of CDMA. Click here for a detailed explanation …   Wikipedia

  • Code Division Multiple Access —    Abbreviated CDMA, also known as spread spectrum. A digital cellular standard approved by the Telecommunications Industry Association (TIA) in 1993 and known as IS 95. CDMA combines both data and voice into a single wireless network and can… …   Dictionary of networking

  • Orthogonal frequency-division multiple access — Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial multiplexing (MIMO) …   Wikipedia

  • Interleaving Domain Multiple Access — Interleaving Domain Multiple Access, kurz IDMA, ist eine Weiterentwicklung des CDMA Multiplex Übertragungsverfahren zur digitalen Signalübertragung. Inhaltsverzeichnis 1 Entwicklung 1.1 Übertragung eines Datenstroms 1.2 Übertragung mehrerer… …   Deutsch Wikipedia

  • Direct-sequence spread spectrum — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • Spread spectrum — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • Chirp spread spectrum — A linear frequency modulated upchirp in the time domain In digital communications, Chirp spread spectrum (CSS) is a spread spectrum technique that uses wideband linear frequency modulated chirp pulses to encode information.[1] A chirp is a… …   Wikipedia

  • Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia


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