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- Broadband abstract "In telecommunications, broadband is a wide bandwidth data transmission with an ability to simultaneously transport multiple signals and traffic types. The medium can be coaxial cable, optical fiber, twisted pair, as well as wireless broadband (wireless broadband includes Mobile broadband). In contrast, baseband describes a communication system in which information is transported across a single channel.Different criteria for "broad" have been applied in different contexts and at different times. Its origin is in physics, acoustics, and radio systems engineering, where it had been used with a meaning similar to "wideband". Later, with the advent of digital telecommunications, the term was mainly used for transmission over multiple channels. Whereas a passband signal is also modulated so that it occupies higher frequencies (compared to a baseband signal which is bound to the lowest end of the spectrum, see line coding), it is still occupying a single channel. The key difference is that what is typically considered a broadband signal in this sense is a signal that occupies multiple (non-masking, orthogonal) passbands, thus allowing for much higher throughput over a single medium but with additional complexity in the transmitter/receiver circuitry. Finally, the term became popularized through the 1990s as a marketing term for Internet access that was faster than dialup access, the original Internet access technology, which was limited to 56 kbit/s. This meaning is only distantly related to its original technical meaning.In telecommunications, a broadband signaling method is one that handles a wide band of frequencies. "Broadband" is a relative term, understood according to its context. The wider (or broader) the bandwidth of a channel, the greater the information-carrying capacity, given the same channel quality.In radio, for example, a very narrow band will carry Morse code, a broader band will carry speech, and a still broader band will carry music without losing the high audio frequencies required for realistic sound reproduction. This broad band is often divided into channels or "frequency bins" using passband techniques to allow frequency-division multiplexing instead of sending a higher-quality signal.A television antenna may be described as "broadband" because it is capable of receiving a wide range of channels, while a single-frequency or Lo-VHF antenna is "narrowband" since it receives only 1 to 5 channels. The U.S. federal standard FS-1037C defines "broadband" as a synonym for wideband.In data communications a 56k modem will transmit a data rate of 56 kilobits per second (kbit/s) over a 4-kilohertz-wide telephone line (narrowband or voiceband). The various forms of digital subscriber line (DSL) services are broadband in the sense that digital information is sent over multiple channels. Each channel is at higher frequency than the baseband voice channel, so it can support plain old telephone service on a single pair of wires at the same time.However, when that same line is converted to a non-loaded twisted-pair wire (no telephone filters), it becomes hundreds of kilohertz wide (broadband) and can carry up to 60 megabits per second using very-high-bitrate digital subscriber line (VDSL or VHDSL) techniques.In the late 1980s, the Broadband Integrated Services Digital Network (B-ISDN) used the term to refer to a broad range of bit rates, independent of physical modulation details.".
- Broadband wikiPageID "147184".
- Broadband wikiPageLength "18161".
- Broadband wikiPageOutDegree "90".
- Broadband wikiPageRevisionID "683595597".
- Broadband wikiPageWikiLink 10BASE5.
- Broadband wikiPageWikiLink 10BROAD36.
- Broadband wikiPageWikiLink 10PASS-TS.
- Broadband wikiPageWikiLink 56k_modem.
- Broadband wikiPageWikiLink Acoustics.
- Broadband wikiPageWikiLink Analog_signal.
- Broadband wikiPageWikiLink Antonym.
- Broadband wikiPageWikiLink Audio_frequency.
- Broadband wikiPageWikiLink Bandwidth_(signal_processing).
- Broadband wikiPageWikiLink Baseband.
- Broadband wikiPageWikiLink Bit_rate.
- Broadband wikiPageWikiLink Broadband_Integrated_Services_Digital_Network.
- Broadband wikiPageWikiLink Broadband_mapping_in_the_United_States.
- Broadband wikiPageWikiLink Buzzword.
- Broadband wikiPageWikiLink Cable_modem.
- Broadband wikiPageWikiLink Cable_television.
- Broadband wikiPageWikiLink Cable_television_headend.
- Broadband wikiPageWikiLink Category:Broadband.
- Broadband wikiPageWikiLink Category:Digital_technology.
- Broadband wikiPageWikiLink Coaxial_cable.
- Broadband wikiPageWikiLink Composite_video.
- Broadband wikiPageWikiLink Computer_network.
- Broadband wikiPageWikiLink DOCSIS.
- Broadband wikiPageWikiLink Data_transmission.
- Broadband wikiPageWikiLink Dial-up_Internet_access.
- Broadband wikiPageWikiLink Dialup.
- Broadband wikiPageWikiLink Digital_subscriber_line.
- Broadband wikiPageWikiLink Ethernet.
- Broadband wikiPageWikiLink Ethernet_in_the_first_mile.
- Broadband wikiPageWikiLink Ethernet_over_coax.
- Broadband wikiPageWikiLink Frequency-division_multiplexing.
- Broadband wikiPageWikiLink G.hn.
- Broadband wikiPageWikiLink IPTV.
- Broadband wikiPageWikiLink ITU-T.
- Broadband wikiPageWikiLink Internet_access.
- Broadband wikiPageWikiLink KAIST.
- Broadband wikiPageWikiLink Korea_Advanced_Institute_of_Science_and_Technology.
- Broadband wikiPageWikiLink Line_code.
- Broadband wikiPageWikiLink Line_coding.
- Broadband wikiPageWikiLink List_of_broadband_providers_in_the_United_States.
- Broadband wikiPageWikiLink Load_coil.
- Broadband wikiPageWikiLink Loading_coil.
- Broadband wikiPageWikiLink Local_area_network.
- Broadband wikiPageWikiLink Mobile_broadband.
- Broadband wikiPageWikiLink Modem.
- Broadband wikiPageWikiLink Modulation.
- Broadband wikiPageWikiLink Morse_code.
- Broadband wikiPageWikiLink Music.
- Broadband wikiPageWikiLink Narrowband.
- Broadband wikiPageWikiLink National_Broadband_Plan_(United_States).
- Broadband wikiPageWikiLink National_Information_Infrastructure.
- Broadband wikiPageWikiLink National_broadband_plan.
- Broadband wikiPageWikiLink National_broadband_plans_from_around_the_world.
- Broadband wikiPageWikiLink Net_neutrality_in_the_United_States.
- Broadband wikiPageWikiLink Opposite_(semantics).
- Broadband wikiPageWikiLink Optical_fiber.
- Broadband wikiPageWikiLink Optical_instrument.
- Broadband wikiPageWikiLink Optical_instruments.
- Broadband wikiPageWikiLink Orthogonality.
- Broadband wikiPageWikiLink Passband.
- Broadband wikiPageWikiLink Plain_old_telephone_service.
- Broadband wikiPageWikiLink Power-line_communication.
- Broadband wikiPageWikiLink Power_line_communication.
- Broadband wikiPageWikiLink Primary_Rate_Interface.
- Broadband wikiPageWikiLink Radio.
- Broadband wikiPageWikiLink Radio_frequency.
- Broadband wikiPageWikiLink Relative_term.
- Broadband wikiPageWikiLink Sound_recording_and_reproduction.
- Broadband wikiPageWikiLink Sound_reproduction.
- Broadband wikiPageWikiLink Speed_of_light.
- Broadband wikiPageWikiLink Streaming_media.
- Broadband wikiPageWikiLink Telecommunication.
- Broadband wikiPageWikiLink Telecommunications.
- Broadband wikiPageWikiLink Telephone_line.
- Broadband wikiPageWikiLink Television.
- Broadband wikiPageWikiLink Twisted_pair.
- Broadband wikiPageWikiLink Ultra-wideband.
- Broadband wikiPageWikiLink Very-high-bit-rate_digital_subscriber_line.
- Broadband wikiPageWikiLink Very-high-bitrate_digital_subscriber_line.
- Broadband wikiPageWikiLink Video.
- Broadband wikiPageWikiLink Video_on_demand.
- Broadband wikiPageWikiLink Voice_frequency.
- Broadband wikiPageWikiLink Voiceband.
- Broadband wikiPageWikiLink Wideband.
- Broadband wikiPageWikiLink Wireless_broadband.
- Broadband wikiPageWikiLinkText "Broadband Internet".
- Broadband wikiPageWikiLinkText "Broadband Services".
- Broadband wikiPageWikiLinkText "Broadband connections".
- Broadband wikiPageWikiLinkText "Broadband services".
- Broadband wikiPageWikiLinkText "Broadband".
- Broadband wikiPageWikiLinkText "Fixed Broadband".
- Broadband wikiPageWikiLinkText "High-Speed Internet".
- Broadband wikiPageWikiLinkText "Wireless and Wireline Broadband Services".
- Broadband wikiPageWikiLinkText "broad-band".
- Broadband wikiPageWikiLinkText "broadband ".