The present invention is a wavelength division multiplexing (WDM)/code division multiple
access (CDMA) hybrid code fiber optic communication device. It provides multiple …

The present disclosure relates to wireless communications, and more particularly to multiple-
input multiple-output com munication systems. Demand for wireless communication and …

(56) References Cited produce temporal delays and phase shifts Specified by a time-
wavelength code for, the Spectral components of an US PATENT DOCUMENTS input …

A system and method is provided for free-space optical communication in which information
is encoded on at least two discrete optical carrier signals. The system includes a transmitter …

A transceiver block for multi-user, duplex, wireless access system architecture called Multi
Carrier Frequency Modulated Spread Spectrum System (MC FM SS). Here symbols are …

An optical code division multiple access transmission and reception system is presented.
The transmission system comprises an optical comb generator for producing multiple …

Encoders and decoders for applying composite codes to optical data signals include
encoders and decoders for applying both subcodes and supercodes. The subcodes have a …

An optical fiber communications system using spread spectrum code division multiple
access techniques to achieve better bandwidth utilization. A transmitting user in the system …

Apparatus and system for transmitting and receiving optical code division multiple access
data over an optical network. The apparatus comprises a spectral phase decoder for …

Optical code division multiple access (OCDMA) coder: decoder gratings have been
fabricated. The modulated refractive index profile that makes up the OCDMA coder: decoder …