Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2011-03-01
2011-03-01
Sobutka, Philip J (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S426100, C455S102000, C455S103000, C455S404200
Reexamination Certificate
active
07899491
ABSTRACT:
A position finder and communication system processes signals received from multiple satellite and land based locations and generates processed position finder signal. A first cross-correlator and a transmit baseband filter generates cross-correlated in-phase and quadrature-phase processed filtered baseband signals from an input signal and a second cross-correlator generates cross-correlated in-phase and quadrature-phase processed spread spectrum signals. A processor processes data, voice or video signal into Orthogonal Frequency Division Multiplexed (OFDM) or into Orthogonal Frequency Division Multiple Access (OFDMA) processed data, voice or video signal. The processed position finder signal is further processed jointly with one or more of the signals generated by the first or second processed cross-correlated signal or with the processed OFDM or OFDMA signal and the jointly processed signal is provided to a quadrature modulator for quadrature modulation and transmission of the quadrature modulated signal. The transmitter for transmission of the quadrature modulated signal includes a first amplifier operated in a first radio frequency (RF) band in a linearly amplified (LINA) mode and a second amplifier operated in a second radio frequency (RF) band operated in a non-linearly amplified (NLA) mode. The cross-correlated in-phase and quadrature-phase processed filtered baseband signals and cross-correlated in-phase and quadrature-phase processed spread spectrum signals are used in a cellular communication system and the OFDM or OFDMA signal is used in a wireless local area network, wherein the cellular communication system and wireless local area network are distinct communication systems and networks.
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