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).

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