Processor, modulators and transceivers for spread spectrum, CDMA, CSMA, OFDM, TDM, TDMA cross correlated and filtered systems
First Claim
1. A system comprising:
- a first processor and filter for processing and filtering a spread spectrum signal and for providing a spread spectrum processed and filtered signal;
a second processor for processing and filtering a Time Division Multiplexed (TDM) or Time Division Multiple Access (TDMA) signal and for providing a TDM or TDMA processed and filtered signal;
a selector for selecting and connecting either the processed and filtered spread spectrum signal or the processed and filtered TDM signal or TDMA signal to a modulator system as a selected signal;
the modulator system comprising one or more modulators for modulation of the selected signal and for providing the modulated signal to a signal transmitter for signal transmission,wherein the signal transmitter comprises two amplifiers, the first amplifier operated in a linearly amplified mode for transmission of the modulated signal from the spread spectrum signal and the second amplifier operated in a non-linearly amplified mode for transmission of the modulated signal from the TDM or TDMA signals.
3 Assignments
0 Petitions
Accused Products
Abstract
Processors for processing, modulating, transmitting and receiving spread spectrum, CDMA, CSMA, OFDM, TDM, TDMA, filtered and cross-correlated signals. A first processor and filter for processing and filtering spread spectrum signals and a second processor for processing and filtering Time Division Multiplexed (TDM) or Time Division Multiple Access (TDMA) signals or for processing Orthogonal Frequency Division Multiplexed (OFDM) signals or a second processor for processing and shaping cross-correlated in-phase and quadrature-phase baseband signals and a selector for selecting and connecting either the first processor or the second processor processed signals to signal modulator and or transmitter. A first signal transmitter, for signal transmission in first Radio Frequency (RF) band and a second signal transmitter for signal transmission in second RF band of the processed signals.
259 Citations
29 Claims
-
1. A system comprising:
-
a first processor and filter for processing and filtering a spread spectrum signal and for providing a spread spectrum processed and filtered signal; a second processor for processing and filtering a Time Division Multiplexed (TDM) or Time Division Multiple Access (TDMA) signal and for providing a TDM or TDMA processed and filtered signal; a selector for selecting and connecting either the processed and filtered spread spectrum signal or the processed and filtered TDM signal or TDMA signal to a modulator system as a selected signal; the modulator system comprising one or more modulators for modulation of the selected signal and for providing the modulated signal to a signal transmitter for signal transmission, wherein the signal transmitter comprises two amplifiers, the first amplifier operated in a linearly amplified mode for transmission of the modulated signal from the spread spectrum signal and the second amplifier operated in a non-linearly amplified mode for transmission of the modulated signal from the TDM or TDMA signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A system comprising:
-
a first processor for processing spread spectrum baseband signals and providing processed spread spectrum baseband signals; a second processor for processing and shaping cross-correlated in-phase and quadrature-phase baseband signals and providing processed shaped cross-correlated in-phase and quadrature-phase baseband signals; a selector and connection circuit for selecting and providing either the processed spread spectrum baseband signals or the shaped cross-correlated in-phase and quadrature-phase baseband processed signals or both the processed spread spectrum signals and the shaped cross-correlated in-phase and quadrature-phase baseband signals to a signal modulator system. - View Dependent Claims (10, 11, 12)
-
-
13. A system comprising:
-
a first processor for receiving a first bit rate spread spectrum signal and processing said first bit rate spread spectrum signal to obtain a processed spread spectrum signal; a second processor for receiving and processing a second bit rate signal and a filter for filtering the processed second bit rate signal to obtain a processed and filtered signal; a selector and connection circuit for selecting and providing the processed spread spectrum signal to a first signal transmitter for transmission in a first Radio Frequency (RF) band and the processed and filtered signal to a second signal transmitter for transmission in second RF band, wherein the first signal transmitter comprises a linearly amplified transmitter and the second signal transmitter comprises a non-linearly-amplified transmitter. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
-
-
21. A system comprising:
-
a first processor and a first modulator for processing and modulating a spread spectrum signal to provide a modulated spread spectrum signal; a second processor and a second modulator for processing and modulating an Orthogonal Frequency Division Multiplexed (OFDM) signal or an Orthogonal Frequency Division Multiple Access (OFDMA) signal to provide, respectively, a modulated OFDM signal or a modulated OFDMA signal, wherein said first processor and first modulator comprise different circuits from the second processor and second modulator; a first amplifier and a first and a second antenna for amplifying the modulated spread spectrum signal and for providing the amplified modulated spread spectrum, signal to said first and second antennas for transmission over a transmission medium; and a second amplifier and a third and a fourth antenna for amplifying the modulated OFDM signal or the modulated OFDMA signals and for providing the respective amplified modulated OFDM or OFDMA signals to said third and fourth antennas for transmission over a transmission medium wherein said first and second amplifiers are different amplifiers operated in different frequency bands and said first, second, third and fourth antennas are different antennas. - View Dependent Claims (22, 23, 24)
-
-
25. A system comprising:
-
a first processor and a first modulator for processing and modulating Time Division Multiplexed (TDM) or Time Division Multiple Access (TDMA) signals to provide modulated TDM or TDMA signals; a second processor and a second modulator for processing and modulating Orthogonal Frequency Division Multiplexed (OFDM) or of Orthogonal Frequency Division Multiple Access (OFDMA) signals to provide modulated OFDM signals, wherein said first processor and first modulator comprise different circuits from the second processor and second modulator; a first amplifier and a first antenna for amplifying the modulated TDM or TDMA signals and for providing amplified modulated TDM or TDMA signals to said first antenna for transmission over the transmission medium, wherein said first amplifier is operated in a non-linearly amplified mode; a second amplifier and a second antenna for amplifying the modulated OFDM or OFDMA signals and for providing amplified modulated OFDM signals to said second antenna for transmission over the transmission medium wherein said second amplifier is operated in a linearly amplified or linearized amplifier mode; and a receiver and a demodulator system for receiving and demodulating said signals received from the transmission medium. - View Dependent Claims (26, 27, 28, 29)
-
Specification