Section 3 presents a lossless visual quality ESRDH method using code division multiplexing
and high embedding capacity ESRDH method using value expansion.
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.
Abdullah, "Performance Improvement of Hybrid Subcarrier Multiplexing Optical Code Division Multiplexing
System Using Spectral Direct Decoding Detection Technique" Optical Fiber Technology, Vol.
This technique is also in contrast to optical code division multiplexing
(OCDM) where different users use different code to share the spread spectrum.TMM uses compact spectrum that provides better tolerance to chromatic dispersion and can be transmitted over the wavelength division multiplexing (WDM) system.
WLANs, based on the 802.11 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
Philips Semiconductors, a division of the Dutch company Royal Philips Electronics, has expanded its family of single-chip devices for CDMA- (Code Division Multiplexing
Access) based wireless products with the CDMA+200 integrated circuit.
(in "Improved Encrypted-Signals-Based Reversible Data Hiding Using Code Division Multiplexing
and Value Expansion") proposed two reversible data hiding protocols for encrypted images, respectively.