COFDM


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COFDM

(Coded Orthogonal FDM) See OFDM.
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The MicroLite 2 transmitter represents the latest version of IMT Vislinks video transmission systems and features HD/SD-SDI and HDMI inputs with COFDM transmission in a small, lightweight chassis.
Una estrategia para identificar el comportamiento del canal de radio es monitorear su estado en tiempo real; para lograr esto, se sugiere utilizar subportadoras pilotos COFDM con el proposito no solo de identificar los huecos espectrales propicios para la transmision de comunicaciones celulares, sino para estimar el estado del canal.
UBS), a major developer of COFDM technology and digital audio, video and wireless communication applications is very pleased with the exporter of the year award presented by the VCC, in Vaughan Ontario, Canada.
The COFDM subdivides the high speed information packages in a number of low speed parallel fluxes using FMD on orthogonal carriers that do not interfere among them.
The new TPNA-1000 offers a full complement of analog and digital test functions as standard features including: Tilt, C/N & HUM, Depth of Modulation, Spectrum Scanning Analysis, Channel Power, MER & BER, QAM, QPSK, COFDM and Return Path Noise.
The design is built around best-in-class components to achieve the required reception performance: a Micronas DRX 3975D COFDM (coded orthogonal frequency division multiplexing) demodulator, a Microtune MicroTuner MT2060 digital TV tuner and a Cypress EZ-USB FX2LP controller.
The COFDM demodulation includes the patented algorithms that established DiBcoms reputation in signal processing for many years.
The field-proven R&S TCE900/TCE901 exciter from Rohde & Schwarz generates the COFDM waveform based upon the I/Q data.
All the links are fully redundant CogentLink 2HD and utilise the latest transmission technology, DVT T2 COFDM modulation, allowing resilience to interference," he adds.
TeamCast has also released Ruby modulation, a robust COFDM technology to respond to the specific needs of mobile transmission system in harsh environments.
Some recent simulation results have shown that a frequency-hopping COFDM (coded--adding an error-correction code) scheme is capable of achieving a lower packet error rate than that of conventional OFDM.
In Europe, the DVB-T standard utilizes the so-called COFDM, or multiple carriers per channel, which eliminates ghosts.