code division multiplexing

code division multiplexing

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However a number of investigations have been recently performed on the feasibility of multi-user-detection based on Code Division Multiplexing (CDM).
Their topics include a physical layer perspective on optical transport networks, the phase encoded optical code division multiplexing access system, optical time domain multiplexing-wavelength division multiplexing (OTDM-WDM) system components modeling, optimizing parameters for optimal performance, and network performance analysis with nonlinear effects.
This technique is also in contrast to optical code division multiplexing (OCDM) where different users use different code to share the spread spectrum[14].
11 series of standards, rely on IQ modulation techniques at high data rates, as do emerging third-generation (3G) standards such as multi-carrier wideband code division multiplexing (WCDMA).
In addition to wavelength-division multiplexing (WDM) used for metro-core networks, OHF realizes multiple expansion technology that enables 'add/drop' from 160ch multiple signals by adding optical code division multiplexing (OCDM) technology, achieving filters with low transmission loss.
TOKYO:6703) today announced it has succeeded in developing the world's first next generation broadband access network solution using Oki's Code Division Multiplexing on Fiber (CDM-on-Fiber; COF-PON (1)), offering bidirectional (on same wavelength) data transmission over 100km Single Mode Fiber without an optical amplifier.
Code Division Multiplexing carried out in electrical domain offers colorless operation.
The system will use code division multiplexing (CDM) MPEG-4 for video, and advanced audio coding (AAC) for audio.
By adding a Code Division Multiplexing (CDM) overlay to long haul DWDM systems, Templex products create significant increases in capacity.
One of the first application areas addressed is Smart Optical enabled Code Division Multiplexing -- an approach to bandwidth enhancement that works in concert with Wave Division Multiplexing and Time Division Multiplexing to achieve optimal performance in a number of key optical networking applications.

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