QAM CDMA and TDMA communication methods

• US 8,693,523 B2
• Filed: 09/03/2012
• Issued: 04/08/2014
• Est. Priority Date: 08/10/1998
• Status: Expired due to Fees

• Current Assignee: Kamilo Feher
• Original Assignee: Kamilo Feher
• Inventors: Feher, Kamilo
• Primary Examiner(s): Bocure, Tesfaldet
• Application Number:
  US13/602,286
• Publication Number:
  US 20120321007A1
• Time in Patent Office: 582 Days
• Field of Search: 375/130, 375/140, 375141-144, 375146-148, 375/150, 375/259, 375/260, 375/219, 375/295, 375/298, 375/299, 375/229, 375/232, 375/233, 375/261, 375/267, 375/316, 375/340, 375/347, 375/371, 375/274, 375/302, 375/305, 375/377, 375/343, 370/335, 370/337, 370/342, 370/344, 370/345, 370/347, 370/441, 370/442
• US Class Current: 375/141
• CPC Class Codes: A61B 5/0015 characterised by features of the telemetry system
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/01 Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue clinical contact thermometers G01K13/20
• CPC Class Codes: A61B 5/024 Detecting, measuring or recording pulse rate or heart rate A61B5/0205, A61B5/021 take precedence
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: G16H 10/60 for patient-specific data, e.g. for electronic patient records
• CPC Class Codes: G16H 15/00 ICT specially adapted for medical reports, e.g. generation or transmission thereof
• CPC Class Codes: H04B 1/1036 with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters H04B1/123 takes precedence; filter circuits H03H
• CPC Class Codes: H04B 1/69 Spread spectrum techniques
• CPC Class Codes: H04B 1/707 using direct sequence modulation
• CPC Class Codes: H04B 1/709 Correlator structure
• CPC Class Codes: H04B 2201/70715 with application-specific features
• CPC Class Codes: H04B 2201/70716 Quadrature
• CPC Class Codes: H04B 7/04 using two or more spaced independent antennas
• CPC Class Codes: H04B 7/18504 Aircraft used as relay or high altitude atmospheric platform
• CPC Class Codes: H04B 7/2628 using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] H04B7/2618 takes precedence
• CPC Class Codes: H04J 11/00 Orthogonal multiplex systems, e.g. using WALSH codesH04J13/00 takes precedence
• CPC Class Codes: H04L 1/0003 by switching between different modulation schemes
• CPC Class Codes: H04L 27/2017 in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation H04L27/201 takes precedence
• CPC Class Codes: H04L 27/2071 in which the data are represented by the carrier phase, e.g. systems with differential coding
• CPC Class Codes: H04L 27/2627 : Modulators
• CPC Class Codes: H04L 27/2649 : Demodulators
• CPC Class Codes: H04L 5/0007 : the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/1453 : of modulation type
• CPC Class Codes: H04M 7/006 : Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP) , including next generation networks with a packet-switched transport layer H04L65/00 takes precedence; aspects not specific to the type of network H04M3/00; special services in those networks H04M3/42
• CPC Class Codes: H04W 12/06 : Authentication
• CPC Class Codes: H04W 12/79 : Radio fingerprint
• CPC Class Codes: H04W 4/023 : using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
• CPC Class Codes: H04W 4/025 : using location based information parameters
• CPC Class Codes: H04W 4/90 : Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
• CPC Class Codes: H04W 64/00 : Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: H04W 88/02 : Terminal devices
• CPC Class Codes: H04W 88/06 : adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: Y02A 90/10 : Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Abstract

Filtering and modulating a first rate data signal into a Quadrature Amplitude Modulated (QAM) Code Division Multiple Access (CDMA) and a second rate data signal into a Time Division Multiple Access (TDMA) modulated signal and selecting between the transmission of the CDMA and TDMA modulated signals. A method for nonlinearly and linearly amplifying TDMA and CDMA signals. A diversity receiver and demodulator method for receiving and demodulating transmitted modulated signals. Processing, transmit baseband filtering and modulating signals for providing cross-correlated in-phase and quadrature-phase Gaussian filtered Gaussian Minimum Shift Keying (GMSK) and other cross-correlated modulated signals and spread spectrum Quadrature Phase Shift Keying (QPSK) modulated signals. Transmit processing and filtering for providing time division multiplexed (TDM) Gaussian filtered baseband signal and Orthogonal Frequency Division Multiplexed (OFDM) in-phase and quadrature-phase baseband modulated signal to a cellular network and to separate wireless network.

Claims

1. A method for:

filtering a first bit rate signal by a first transmit filter and modulating by a modulator said first bit rate filtered signal into a Quadrature Amplitude Modulated (QAM) Code Division Multiple Access (CDMA) signal;

processing, cross-correlating and filtering a second bit rate signal by a Time Constrained Signal (TCS) response processor, a cross-correlator and a second transmit filter into a processed, cross-correlated, filtered in-phase and quadrature-phase signal and modulating by said modulator said second bit rate processed, cross-correlated and filtered signal into a modulated Time Division Multiple Access (TDMA) signal, said second bit rate is different from said first bit rate;

nonlinearly amplifying said modulated TDMA signal and for providing said TDMA amplified signal to a first transmitter for transmission of said TDMA amplified signal;

linearly amplifying said modulated CDMA signal and for providing said amplified CDMA signal to a second transmitter for transmission of said linearly amplified CDMA modulated signal, wherein said second transmitter is operated in a different Radio Frequency (RF) band than said first transmitter; and

receiving and demodulating by a receive antenna and a demodulator a transmitted modulated TDMA and a transmitted modulated CDMA signal.

2. The method of claim 1 wherein said receiving and demodulating by said receive antenna and said demodulator comprises step of receive filtering and receive processing for filtering, processing and providing demodulated cross-correlated in-phase and quadrature-phase filtered signal, wherein said receive filtering is by a receive filter, said receive filter is a mis-matched filter to said TCS response processor and second transmit filter.

3. The method of claim 1, further comprising step of processing a third bit rate signal into a processed Code Division Multiple Access (CDMA) cross-correlated in-phase and quadrature-phase filtered baseband signal and providing said third bit rate processed CDMA cross-correlated filtered baseband signal to a modulator for modulating said third bit rate processed CDMA signal, said receiving and demodulating includes step of providing in a diversity receiver and a demodulator a demodulated and adaptive equalized signal and step of generating a Pseudo-Error (PE) detector generated control signal for control of said diversity receiver and said demodulator comprises a receive filter for receive filtering of said received and demodulated signal, wherein said receive filter is mis-matched to said first transmit filter, said receiver for receiving the transmitted signal comprises a liner Automatic Gain Control (AGC) circuit operated in a liner mode and a non-linear AGC circuit operated in a non-linear mode for reception and demodulation of said transmitted modulated signal.

4. The method of claim 1, wherein said first transmit filtering provides a time division multiplexed (TDM) Gaussian filtered baseband signal to said modulator for modulating Gaussian filtered modulated signal and further comprising step of processing said first bit rate signal into a processed cross-correlated time division multiple access (TDMA) in-phase and quadrature-phase signal and into a processed cross-correlated filtered Orthogonal Frequency Division Multiplex (OFDM) in-phase and quadrature-phase signal.

5. The method of claim 1, wherein said first transmit baseband filtering provides a time division multiplexed (TDM) Gaussian filtered baseband signal to said modulator for modulating Gaussian filtered modulated signal and further comprising step of processing said first bit rate signal into a processed cross-correlated time division multiple access (TDMA) in-phase and quadrature-phase signal and into a processed cross-correlated filtered Orthogonal Frequency Division Multiplex (OFDM) in-phase and quadrature-phase signal.

6. The method of claim 1 wherein said Quadrature Amplitude Modulated (QAM) signal comprises Orthogonal Frequency Division Multiplexed (OFDM) in-phase and quadrature-phase baseband modulated signal.

7. The method of claim 1 wherein said first transmit filter provides cross-correlated in-phase and quadrature-phase filtered baseband signal and said second transmit filter provides Orthogonal Frequency Division Multiplexed (OFDM) filtered signal.

8. The method of claim 1, wherein said first bit rate signal is a telemetry signal and further comprising a method for processing, modulating and transmitting a video signal into a Orthogonal Frequency Division Multiplexed (OFDM) modulated transmitted signal.

9. A method for:

processing, cross-correlating and filtering in a cellular device a first signal into a processed Code Division Multiple Access (CDMA), cross-correlated in-phase and quadrature-phase filtered baseband signal and modulating said processed, cross-correlated in-phase and quadrature-phase filtered CDMA baseband signal into a modulated CDMA signal;

processing and filtering in said cellular device said first signal into a processed Gaussian Minimum Shift Keying (GMSK) filtered baseband signal and modulating said processed filtered GMSK baseband signal into a modulated GMSK signal;

processing and filtering a second signal, in said cellular device, into a processed filtered Orthogonal Frequency Division Multiplexed (OFDM) baseband signal and modulating said OFDM baseband signal into an OFDM modulated signal;

transmitting by a transmitter, in said cellular device, said modulated CDMA signal or said modulated OFDM signal or said modulated GMSK signal.

10. The method of claim 9, further comprising step of receiving and demodulating in said cellular device, by a receive antenna and a demodulator a transmitted modulated TDMA and CDMA signal, said receiving and demodulating by comprises step of receive filtering and receive processing for filtering, processing and providing demodulated cross-correlated in-phase and quadrature-phase filtered signal, said receive filtering is by a receive filter and further comprising step of processing, modulating and transmitting a telemetry signal and comprising a method for processing, modulating and transmitting a video signal into a Orthogonal Frequency Division Multiplexed (OFDM) modulated transmitted signal.

11. The method of claim 9, further comprising step of said processing, cross-correlating, filtering processed GMSK cross-correlated in-phase and quadrature-phase filtered baseband signal in a Gaussian transmit baseband filter and of processing an input signal into a processed Time Division Multiple Access (TDMA) cross-correlated in-phase and quadrature-phase filtered baseband signal and providing said processed TDMA cross-correlated filtered baseband signal to a modulator for modulating said TDMA cross-correlated filtered baseband signal, further comprising step of receiving and demodulating in said cellular device, by a receive antenna and a demodulator in a diversity receiver and a demodulator for providing a demodulated and adaptive equalized signal and further comprising step of generating a Pseudo-Error (PE) detector generated control signal for control of said diversity receiver and said demodulator comprises a receive baseband filter for receive filtering of said received and demodulated signal, wherein said receive baseband filter is mis-matched to said Gaussian transmit baseband filter, said receiver for receiving the transmitted signal comprises a liner Automatic Gain Control (AGC) circuit operated in a liner mode and a non-linear AGC circuit operated in a non-linear mode.

12. The method of claim 9, further comprising method for processing an input signal, in said cellular device, into a Quadrature Amplitude Modulated (QAM) signal, said QAM signal comprises an Orthogonal Frequency Division Multiplexed (OFDM) in-phase and quadrature-phase cross-correlated baseband modulated signal.

13. The method of claim 9, further comprising method for processing and filtering an input signal into a cross-correlated time division multiple access (TDMA) filtered in-phase and quadrature-phase signal by a TDMA transmit filter and a receiver for receiving by a receive baseband filter a TDMA transmitted signal, wherein said receive baseband filter is mis-matched to said TDMA transmit filter.

14. The method of claim 9, wherein said processed, filtered Gaussian Minimum Shift Keying (GMSK) signal is a cross-correlated in-phase and quadrature-phase filtered baseband signal.

15. The method of claim 9, wherein said first signal is a signal used in a telemetry system and said second signal is a video signal.

16. A communication method for:

receiving in a receiver system a Time Division Multiple Access (TDMA) and a Orthogonal Frequency Division Multiplexed (OFDM) modulated signal for providing said received modulated TDMA or said received modulated OFDM signal to one or more demodulators for demodulation and processing of said received modulated TDMA or said received modulated OFDM signal into demodulated, baseband processed TDMA or OFDM signal; and

providing said demodulated, baseband processed TDMA or said demodulated, baseband processed OFDM signal to an interface baseband receiver port, said receiver system comprises a diversity receiver for diversity reception and said demodulated, baseband processed TDMA signal comprises cross-correlated in-phase and quadrature-phase baseband receive filtered signals.

17. The method of claim 16, further comprising step of processing an input signal into a processed Code Division Multiple Access (CDMA) cross-correlated in-phase and quadrature-phase filtered baseband signal and providing said processed CDMA cross-correlated filtered baseband signal to a modulator for modulating said processed CDMA signal and further comprising step of receiving in a diversity receiver a received CDMA signal, said diversity receiver comprises step of providing in said diversity receiver a demodulated and adaptive equalized signal and step of generating a Pseudo-Error (PE) detector generated control signal for control of said diversity receiver and said demodulator comprises a receive filter for receive filtering of said received and demodulated CDMA signal and said receiver further comprises a liner Automatic Gain Control (AGC) circuit operated in a liner mode and a non-linear AGC circuit operated in a non-linear mode for reception and demodulation of a transmitted modulated signal.

18. The method of claim 16, further comprising step of receiving and demodulating by a receive antenna and a demodulator a transmitted modulated TDMA and CDMA signal, said receiving and demodulating comprises step of receive filtering and receive processing for filtering, processing and providing demodulated cross-correlated in-phase and quadrature-phase filtered signal, said receive filtering is by a receive filter, further comprising step of processing, modulating and transmitting a telemetry signal and comprising a method for processing, modulating and transmitting a video signal into a Orthogonal Frequency Division Multiplexed (OFDM) modulated transmitted signal.

19. The method of claim 16, further comprising step of processing a data signal into a processed Collision Sense Multiple Access (CSMA) signal for modulation and transmission of said processed CSMA signal.

20. The method of claim 16, further comprising method for providing said baseband processed TDMA or OFDM signal to an interface unit for transmission of said provided signal to said interface unit by a wired connection.