Optical communications – Multiplex – Optical switching
Reexamination Certificate
2005-08-02
2005-08-02
Chan, Jason (Department: 2633)
Optical communications
Multiplex
Optical switching
C398S079000, C375S265000, C375S267000
Reexamination Certificate
active
06925258
ABSTRACT:
A system and method for increasing bandwidth efficiency and data transmission performance of radio frequency wireless, optical wireless and fiber-optic digital communication links without requiring an increase in signal power. The system utilizes bandwidth efficient space-time coding to correct transmission errors and bandwidth efficient space-time modulation to dramatically increase data throughput without requiring additional signal bandwidth or power. Radio frequency wireless, optical wireless WDM and fiber-optic applications are achieved by utilizing space-time encoders, radio frequency sources, bandwidth efficient space-time modulators and power amplifiers combined with transmission devices such as one or more antennas, multifeed antennas, multimode antennas or for transmission by a suitable cable. At the receiver, the method is reversed.
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Chan Jason
Mueth Joseph E.
Payne David C.
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