Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate
2011-07-12
2011-07-12
Fan, Chieh M. (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
C375S219000
Reexamination Certificate
active
07978774
ABSTRACT:
Internet, wireless and wired multimode systems. Processing, modulating, transmitting and receiving internet provided and location finder signals. Cross-correlator, transmit baseband filter and modulator for cross-correlating, filtering and modulating in-phase and quadrature-phase signal, and providing modulated signal to a transmitter. Orthogonal Frequency Division Multiplex (OFDM) or Orthogonal Frequency Division Multiple Access (OFDMA), Wi-Fi, spread spectrum, Code Division Multiple Access (CDMA), time division multiplexed (TDM), Time Division Multiple Access (TDMA) and Global Mobile System (GSM) processors and baseband filters for providing OFDM, OFDMA, TDM, TDMA, Bluetooth, spread spectrum CDMA and GSM system signals to transmitter and diversity receiver. Diversity receiver systems. Demodulator for demodulating, filtering and processing diversity system received signal. Receive baseband filter is intentionally mismatched to the transmit baseband filter. Receiver and demodulator baseband filter provides received baseband mis-match filtered cross-correlated in-phase and quadrature-phase signal.
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Aghdam Freshteh N
Fan Chieh M.
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