Diversity wireless systems
First Claim
1. A system comprising:
- a processor, cross-correlator, transmit baseband filter and modulator for processing, cross-correlating, filtering, modulating and providing a first and a second bit rate signal to a transmission system for transmission of the processed, filtered, modulated signal;
a transmission system comprising two transmitters for wireless transmission of the modulated signal;
a diversity receiver system comprising two receivers for receiving the transmitted modulated signal and for providing received signal to a demodulator; and
a demodulator, receive baseband filter and receive processor for demodulation, filtering and processing received signal, wherein the receive baseband filter for filtering is mismatched to the transmit baseband filter for filtering of the first bit rate signal and receive processor for processing first bit rate demodulated baseband filtered signal provides received baseband mis-match filtered cross-correlated in-phase and quadrature-phase signal.
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Abstract
Diversity wireless system, processor, cross-correlator, transmit baseband filter and modulator for processing, cross-correlating, filtering, modulating and providing a first and a second bit rate signal to a transmission system for transmission of the processed, filtered, modulated signal. Transmission system having two transmitters for transmission of the modulated signal. Diversity receiver system with two receivers for receiving the transmitted modulated signal and for providing received signal to a demodulator. Demodulator, receive baseband filter and receive processor for demodulation, filtering and processing received signal. Receive baseband filter for filtering is mismatched to the transmit baseband filter for filtering of the first bit rate signal and receive processor for processing first bit rate demodulated baseband filtered signal provides received baseband mis-match filtered cross-correlated in-phase and quadrature-phase signal. Processor and transmit baseband filter for processing and filtering a signal into a cross-correlated filtered and into a cross-correlated spread spectrum in-phase and quadrature-phase baseband signal. Processor, first and second modulator for processing and baseband filtering a signal into time division multiplexed (TDM) filtered signal and into Orthogonal Frequency Division Multiplexed (OFDM) signal and for providing processed TDM filtered and processed OFDM signal to two modulators for modulation, transmission and diversity reception.
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Citations
24 Claims
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1. A system comprising:
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a processor, cross-correlator, transmit baseband filter and modulator for processing, cross-correlating, filtering, modulating and providing a first and a second bit rate signal to a transmission system for transmission of the processed, filtered, modulated signal; a transmission system comprising two transmitters for wireless transmission of the modulated signal; a diversity receiver system comprising two receivers for receiving the transmitted modulated signal and for providing received signal to a demodulator; and a demodulator, receive baseband filter and receive processor for demodulation, filtering and processing received signal, wherein the receive baseband filter for filtering is mismatched to the transmit baseband filter for filtering of the first bit rate signal and receive processor for processing first bit rate demodulated baseband filtered signal provides received baseband mis-match filtered cross-correlated in-phase and quadrature-phase signal. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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2. A system comprising:
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a processor and transmit baseband filter for processing and filtering a signal into a cross-correlated filtered and into a cross-correlated spread spectrum in-phase and quadrature-phase baseband signal and providing the first and second bit rate signal to a modulator for modulation; a modulator for modulation of cross-correlated filtered and cross-correlated spread spectrum signal and for providing the modulated signal to a transmitter for transmission of the modulated signal; a receiver system comprising a first and a second receiver for receiving the transmitted modulated signal and for providing received signal to a demodulator system; and a demodulator system comprising a demodulator, baseband filter and processor for demodulation, filtering and processing received signal, wherein the receive baseband filter used for filtering of the cross-correlated filtered signal is mismatched to the transmit baseband filter used for filtering of the cross-correlated filtered signal and receive baseband filter and processor for filtering and processing demodulator demodulated baseband filtered signal provides cross-correlated filtered in-phase and quadrature-phase signal. - View Dependent Claims (13, 14, 15, 16)
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3. A system comprising:
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a processor, first and second modulator for processing and baseband filtering a first bit rate signal into time division multiplexed (TDM) filtered signal and a second bit rate signal into Orthogonal Frequency Division Multiplexed (OFDM) signal and for providing processed TDM filtered signal to first modulator and processed OFDM signal to second modulator for modulation and for providing modulated TDM and OFDM signal to a transmission system for transmission of the modulated signal; a transmission system comprising two distinct transmitters for transmission of the modulated signal; a receiver system comprising a first and a second receiver for receiving the transmitted modulated signal and for providing received signal to a demodulator system; a demodulator system comprising a demodulator, baseband filter and processor for demodulation, filtering and processing received signal, wherein the receive baseband filter used for filtering of the TDM signal is mis-matched to the transmit baseband filter used for filtering of the TDM signal and processor for processing demodulator demodulated TDM baseband filtered signal provides baseband filtered cross-correlated in-phase and quadrature-phase signal; and a selector or combiner for selecting or combining the demodulated signal, received from the first receiver or from the second receiver or from both first and second receivers and for providing selected or combined demodulated signal to an output interface device. - View Dependent Claims (17, 18, 19)
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4. A system comprising:
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a processor, transmit baseband filter and modulator system for processing, filtering, modulating and providing a first and a second bit rate signal to a modulation system for modulation and transmission of the processed, filtered, modulated signal; a modulation system comprising two modulators for modulation of the modulated signal and for providing modulated signal to a transmission system; a transmission system comprising two transmitters for transmission of the modulated signal; a receiver system comprising two receivers for receiving the transmitted modulated signal and for providing received signal to a demodulator; and a demodulator, receive baseband filter and receive processor for demodulation, filtering and processing received signal, wherein the receive baseband filter for filtering is mismatched to the transmit baseband filter for filtering of the first bit rate signal and receive processor for processing first bit rate demodulated baseband filtered signal provides received baseband mis-match filtered cross-correlated in-phase and quadrature-phase signal. - View Dependent Claims (20, 21, 22, 23, 24)
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Specification