Wideband - significado y definición. Qué es Wideband
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Qué (quién) es Wideband - definición


Wideband         
WHEN A MESSAGE'S BANDWIDTH SIGNIFICANTLY EXCEEDS THE SYSTEM'S COHERENCE BANDWIDTH
Wide-band; Wideband communications
In communications, a system is wideband when the message bandwidth significantly exceeds the coherence bandwidth of the channel. Some communication links have such a high data rate that they are forced to use a wide bandwidth; other links may have relatively low data rates, but deliberately use a wider bandwidth than "necessary" for that data rate in order to gain other advantages; see spread spectrum.
Broadband         
  • Global bandwidth concentration: 3 countries have almost 50% between them; 10 countries almost 75%.<ref name="HilbertBitsDivide"/>
WIDE BANDWIDTH DATA TRANSMISSION WITH AN ABILITY TO SIMULTANEOUSLY TRANSPORT SIGNAL AND TRAFFIC TYPES
Broadband internet; Broadband Internet; Carrierband; Broadband modem; Broadband speed; High speed internet; Broad band; Braodband; Broad-band
In telecommunications, broadband is wide bandwidth data transmission which transports multiple signals at a wide range of frequencies and Internet traffic types, that enables messages to be sent simultaneously, used in fast internet connections. The medium can be coaxial cable, optical fiber, wireless Internet (radio), twisted pair or satellite.
broadband         
  • Global bandwidth concentration: 3 countries have almost 50% between them; 10 countries almost 75%.<ref name="HilbertBitsDivide"/>
WIDE BANDWIDTH DATA TRANSMISSION WITH AN ABILITY TO SIMULTANEOUSLY TRANSPORT SIGNAL AND TRAFFIC TYPES
Broadband internet; Broadband Internet; Carrierband; Broadband modem; Broadband speed; High speed internet; Broad band; Braodband; Broad-band
<communications> A class of communication channel capable of supporting a wide range of frequencies, typically from audio up to video frequencies. A broadband channel can carry multiple signals by dividing the total capacity into multiple, independent bandwidth channels, where each channel operates only on a specific range of frequencies. The term has come to be used for any kind of Internet connection with a download speed of more than 56 kbps, usually some kind of Digital Subscriber Line, e.g. ADSL. A broadband connection is typically always connected, in contrast to a dial-up connection, and a fixed monthly rate is charged, often with a cap on the total amount of data that can be transferred. Domestic broadband connections typically share a telephone line with normal voice calls and the two uses can occur simultaneously without interference. See also baseband, narrowband. (2006-03-30)
Ejemplos de uso de Wideband
1. Its third market is the development of products for wireless systems, such as cellular telephones and UWB – ultra wideband communication.
2. Another program, the Wideband Global SATCOM communications satellite, developed by Boeing Integrated Defense Systems, was 15 months late because a supplier installed fasteners incorrectly, and would cost $10 million to fix.
3. Over the last three years 25 mobile telecoms operators have decided to replace or upgrade their CDMA networks to GSM or its successor known as the Wideband CDMA (WCDMA) system.
4. "Qtel subscribers and guests will be able to use 3G services in time for the Games." Siemens‘s UMTS network will be based on wideband code–division multiple–access (WCDMA) technology, including the latest WCDMA base stations (Node Bs) that can offer theoretical peak data rates of up to megabits per second with the support of high speed downlink packet access.