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Wideband Integrated Digital Enhanced Network, or WiDEN, is a software upgrade developed by Motorola for its iDEN enhanced specialized mobile radio ( or ESMR ) wireless telephony protocol.
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Wideband and Network
* Wideband Network
The Butterfly hardware was later used for the router of DARPA's high-speed descendant of ARPANET, the Satellite Wideband Network.
This network later became the Terrestrial Wideband Network.
It operates and supports satellite programs including the Global Positioning System, the Defense Satellite Communications System, Wideband Global SATCOM, Milstar, Advanced Extremely High Frequency, Space Based Space Surveillance, Tactical Satellite-3, Space Tracking and Surveillance System Advanced Technology Risk Reduction Satellite and the worldwide Air Force Satellite Control Network.
Wideband and is
Wideband FM is used for FM broadcasting, in which music and speech are transmitted with up to 75 kHz deviation from the center frequency and carry audio with up to a 20-kHz bandwidth.
* Wideband – a communications medium or signal that spans a large ( continuous ) range of frequencies, or is wide compared to something else
This variant is called the Wideband Delphi method.
W-CDMA ( Wideband Code Division Multiple Access ), UMTS-FDD, UTRA-FDD, or IMT-2000 CDMA Direct Spread is an air interface standard found in 3G mobile telecommunications networks.
Adaptive Multi-Rate Wideband ( AMR-WB ) is a patented speech coding standard developed based on Adaptive Multi-Rate encoding, using similar methodology as Algebraic Code Excited Linear Prediction ( ACELP ).
AMR-WB is codified as G. 722. 2, an ITU-T standard speech codec, formally known as Wideband coding of speech at around 16 kbit / s using Adaptive Multi-Rate Wideband ( AMR-WB ).
A more recent G. 722. 2, also known as AMR-WB (" Adaptive Multirate Wideband ") is based on ACELP and offers even lower bit-rate compressions, as well as the ability to quickly adapt to varying compressions as the network topography mutates.
Extended Adaptive Multi-Rate – Wideband ( AMR-WB +) is an audio codec that extends AMR-WB.
The SMV for Wideband CDMA is based on 4 codecs: full rate at 8. 5 kbit / s, half rate at 4 kbit / s, quarter rate at 2 kbit / s, and eighth rate at 800 bit / s.
Variable-Rate Multimode Wideband ( VMR-WB ) is a source-controlled variable-rate multimode codec designed for robust encoding / decoding of wideband / narrowband speech.
Micropower Impulse Radar is a low power Ultra Wideband radar developed at Lawrence Livermore National Laboratory, used for sensing and measuring distances to objects in proximity to each other.
In Wideband CDMA systems, the protocol is called RLC ( Radio Link Control ).
The Wideband Delphi estimation method is a consensus-based technique for estimating effort.
Wideband and software
A collection of new technologies are taking advantage of unlicensed spectrum including Wi-Fi, Ultra Wideband, spread spectrum, software defined radio, cognitive radio, and mesh networks.
Wideband and developed
A variant of Wideband Delphi was developed by Neil Potter and Mary Sakry of The Process Group.
Wideband and for
As of 2011, the engineers are working on the High-resolution Airborne Wideband Camera ( HAWC ), which will be an integral part of Stratospheric Observatory for Infrared Astronomy ( SOFIA ).
If these components for the schedule are not available, they can be created with a consensus-driven estimation method like Wideband Delphi.
Wideband Channel for Emergency Communications.
* RFC 4867-RTP Payload Format and File Storage Format for the Adaptive Multi-Rate ( AMR ) and Adaptive Multi-Rate Wideband ( AMR-WB ) Audio Codecs
* RFC 4352-RTP Payload Format for the Extended Adaptive Multi-Rate Wideband ( AMR-WB +) Audio Codec
* RFC 4424-Real-Time Transport Protocol ( RTP ) Payload Format for the Variable-Rate Multimode Wideband ( VMR-WB ) Extension Audio Codec
* RFC 4348-Real-Time Transport Protocol ( RTP ) Payload Format for the Variable-Rate Multimode Wideband ( VMR-WB ) Audio Codec
Currently projects at the Boeing Satellite Development Center ( spacecraft being designed, built, tested, or prepared for launch ) are satellites made for XM ( satellite radio ), DirecTV ( satellite television ), MSV ( satellite mobile telephony ), Spaceway ( data networks ), GPS ( satellite navigation ), and for the Wideband Global SATCOM system and TSAT projects ( military communications ).
Also appeared under the title " Slew Rate Verification for Wideband Amplifiers-The Taming of the Slew ", application note AN94, Linear Technology, May 2003.
Wideband and mobile
UMTS uses Wideband Code Division Multiple Access ( W-CDMA ) radio access technology to offer greater spectral efficiency and bandwidth to mobile network operators.
It includes integrated encryption and Wideband Networking Software to create mobile ad hoc networks ( MANETs ).
Wideband and radio
* Wideband FM, a form of frequency modulated radio
It converts a commercial third generation ( 3G ) Wideband Code Division Multiple Access ( WCDMA ) cellular phone system to a military UHF SATCOM radio system using geosynchronous satellites in place of cell towers.
Wideband and .
* First discussion: O. E. Delange, " Wideband optical communication systems, Part 11-Frequency division multiplexing ".
Wideband Gaussian noise comes from many natural sources, such as the thermal vibrations of atoms in conductors ( referred to as thermal noise or Johnson-Nyquist noise ), shot noise, black body radiation from the earth and other warm objects, and from celestial sources such as the Sun.
Wideband systems support high-bandwidth transfers.
The term Wideband Audio or ( also termed HD Voice or Wideband Voice ) denotes a telephone conversation using a wideband codec, which uses a greater frequency range of the audio spectrum than conventional voiceband telephone calls, resulting in a clearer sound.
* Ultra Wideband Data Recorder, high-speed data recording up to 2 GigaSamples per second.
Integrated and Digital
ATM is a core protocol used over the SONET / SDH backbone of the public switched telephone network ( PSTN ) and Integrated Services Digital Network ( ISDN ), but its use is declining in favour of All IP.
ATM was developed to meet the needs of the Broadband Integrated Services Digital Network, as defined in the late 1980s.
Terrestrial Integrated Services Digital Broadcasting ( ISDB-T ) is a system designed to provide good reception to fix receivers and also portable or mobile receivers.
Category: Integrated Services Digital Network
Category: Integrated Services Digital Network
* ISDN ( Integrated Services Digital Network ) Q. 931
Integrated Services Digital Network ( ISDN ) is a set of communications standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network.
Broadband Integrated Services Digital Network ( BISDN ) is another ISDN implementation and it is able to manage different types of services at the same time.
de: Integrated Services Digital Network
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simple: Integrated Services Digital Network
The CN can be connected to various backbone networks, such as the Internet or an Integrated Services Digital Network ( ISDN ) telephone network.
Category: Integrated Services Digital Network
Originally designed for transport across Integrated Services Digital Network ( ISDN ) infrastructure, it may be used today in the context of many other network interfaces.
Frame Relay originated as an extension of Integrated Services Digital Network ( ISDN ).
In the 1980s the telecommunications industry expected that digital services would follow much the same pattern as voice services did on the public switched telephone network, and conceived a grandiose end-to-end circuit switched services, known as Broadband Integrated Services Digital Network ( B-ISDN ).
Category: Integrated Services Digital Network
# REDIRECT Broadband Integrated Services Digital Network
The motivation of digital subscriber line technology was the Integrated Services Digital Network ( ISDN ) specification proposed in 1984 by the CCITT ( now ITU-T ) as part of Recommendation I. 120, later reused as ISDN Digital Subscriber Line ( IDSL ).
In the Integrated Services Digital Network ( ISDN ), a high-speed channel comprising multiple aggregated low-speed channels to accommodate bandwidth-intensive applications such as file transfer, videoconferencing, and high-quality audio.
Category: Integrated Services Digital Network
The Primary Rate Interface ( PRI ) is a standardized telecommunications service level within the Integrated Services Digital Network ( ISDN ) specification for carrying multiple DS0 voice and data transmissions between a network and a user.
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