System and method for interoperable multiple-standard modulation and code selectable Feher's GMSK, enhanced GSM, CSMA, TDMA, OFDM, and third-generation CDMA, W-CDMA and B-CDMA

• US 6,665,348 B1
• Filed: 08/09/1999
• Issued: 12/16/2003
• Est. Priority Date: 08/10/1998
• Status: Expired due to Term

• Current Assignee: Quarterhill Inc. (f/k/a Wi-LAN Inc.)
• Original Assignee: Kamilo Feher
• Inventors: Feher, Kamilo
• Primary Examiner(s): Liu, Shuwang
• Application Number:
  US09/370,361
• Time in Patent Office: 1,590 Days
• Field of Search: 375/130, 375/219, 375/259, 375/260, 375/261, 375/267, 375/298, 375/347, 370/206, 370/208, 370/215, 455/115, 455/126, 455/132, 455/133, 455/134
• US Class Current: 375/259
• CPC Class Codes: H04B 2201/70703 using multiple or variable rates
• CPC Class Codes: H04L 25/4902 Pulse width modulation; Pulse position modulation
• CPC Class Codes: H04L 27/00 Modulated-carrier systems
• CPC Class Codes: H04L 27/0004 using wavelets
• CPC Class Codes: H04L 27/18 Phase-modulated carrier systems, i.e. using phase-shift keying H04L27/32 takes precedence
• CPC Class Codes: H04L 27/2637 with direct modulation of individual subcarriers
• CPC Class Codes: H04L 27/34 Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
• CPC Class Codes: H04L 7/0008 Synchronisation information channels, e.g. clock distribution lines

Abstract

Combined Digital-Analog Signal Processors, Waveforms with Time Constrained Signal (TCS) response and Long Response (LR) filtered Bit Rate Agile (BRA) Modulation-Demodulation (Modem) Format Selectable (MFS) and Code Selectable (CS) system implementations for Interoperable Multiple Standard Enhanced GSM, CSMA, TDMA, OFDM, and third-generation CDMA, W-CDMA and B-CDMA systems and associated methods. Systems include Feher'"'"'s Gaussian Minimum Shift Keying (GMSK or FGMSK) and Feher'"'"'s Quadrature Phase Shift Keying (FQPSK) systems combined with Adaptive Antenna Arrays (AAA), Pseudo-Error (PE) based Non-Redundant Error Detection (NRED) controlled IF adaptive equalizers, smart antenna and smart diversity systems which have spectral/RF power efficiency and enhanced end-to-end performance.

Claims

1. A structure for trellis coding and decoding, of extended memory Bit Rate Agile (BRA), Modulation-Demodulation (Modem) Format Selectable (MFS) and Code Selectable (CS) input port for receiving input data comprising:

a trellis encoder;

a BRA, MFS and CS splitter having an input coupled to said input port, and serving to split said input data into baseband signal streams;

a BRA, MFS and CS baseband signal processing network for receiving said baseband signal streams and providing BRA, MFS and CS in-phase (I) and quadrature (Q) phase baseband signals;

means for baseband signal processing for receiving said I and Q phase baseband signals and providing changeable amounts of cross-correlation;

means for selectively reducing a cross-correlating factor down to zero between Time Constrained Signal (TCS) response processors combined with TCS and Long Response (LR) processors;

means for modulating the cross-correlated signal;

means for transmitting the modulated signal;

a BRA and MFS quadrature demodulator;

a receiver port for connection of the received modulated signal to the BRA and MFS demodulator; and

a Mis-Matched (MM) BRA and MFS demodulator filter set coupled to the receiver port for a BRA and MFS demodulation, wherein the demodulator filter set is mis-matched to a BRA and MFS filter set of a modulator.

2. A cross correlated quadrature architecture signal processor for producing Bit Rate Agile (BRA), cross-correlated in-phase and quadrature phase signal streams for modulation by a Quadrature Modulator and transmission and for signal demodulation comprising:

(a) means for receiving an BRA input signal selected from a group of binary, multi-level, and analog signals and combinations thereof;

(b) filtering means for filtering of the BRA input signal to generate a filtered BRA input signal;

(c) BRA signal shaping means for shaping said filtered BRA input signal;

(d) amplification means for varying a modulation index of said BRA shaped filtered input signal, said amplification means receiving said shaped filtered BRA input signal and providing an amplified output signal;

(e) means for splitting said amplified output BRA signal to generate an in-phase and a quadrature-phase BRA signals;

(f) cross correlation means for cross-correlating the in-phase and quadrature-phase BRA signals; and

a BRA signal processor having an in-phase and a quadrature-phase channel each receiving one of said cross-correlated BRA signals, each of said in-phase and quadrature-phase channel having a first BRA delay gain filter and;

means for generating BRA Cosine and BRA Sine values for said in-phase and quadrature-phase BRA signals;

(g) a BRA wave shaper and a second BRA delay gain filter comprised of said BRA signal processor provide in-phase and quadrature-phase cross correlated data-signal processed signals;

(h) means for quadrature modulation of the in-phase and quadrature-phase cross correlated processed BRA signals adaptable for generation of coherent or non-coherent the quadrature BRA Frequency Modulated (FM) signals;

(i) controlling means and signal selection means for selecting a rate of said BRA processor selection;

(j) selection means for selecting Linearly and/or Non-Linearly Amplified (NLA) baseband and/or modulated signals; and

coupling port means for coupling the amplified signals to a transmission medium;

(k) BRA demodulator means;

(k) receiver port means for connection of said amplified modulated signals to the BRA demodulator means; and

(m) Mis-Matched (MM) demodulator filtering means for a BRA, MFS and CS demodulation, wherein the demodulator filtering means are mis-matched to that of BRA, MFS and BRA filters of the modulator.

3. A signal processing, modulation, transmission, signal reception and demodulation system, designated as Feher'"'"'s Gaussian Minimum Shift Keying (GMSK), for Bit Rate Agile (BRA), Modulation Demodulation (Modem) Format Selectable (MFS) and Code Selectable (CS) systems comprising:

(a) an input port for receiving input data;

(b) a Gaussian low-pass filter and presetable gain integrator for processing said input data and providing filtered input data;

(c) a splitter having an input coupled to said input port, and serving to split said filtered input data into in-phase (I) and quadrature-phase (Q) channel cross coupled data streams which are proportional in gain and phase to said input data;

(d) a signal processing network for receiving said I and Q channel data streams and providing processed in-phase and quadrature-phase data streams, said signal processing network including a signal processor for varying a modulation index for said signal processing network;

(e) means for generating Cosine and Sine values for said processed I and Q channel data streams;

(f) means for filtering, by bit rate agile FIR or UR or switched filter or other post-GMSK shaping filters or by a combination of these filters, said data streams in the I and Q channels such that said signal processor provides in-phase and quadrature-phase cross correlated data streams for quadrature modulation with a modulated signal for amplification in linear and non-linear mode;

(g) means for providing the amplified modulated signal to a transmission port;

(h) a BRA and MFS quadrature demodulator;

(i) a receiver port for connection of the received amplified modulated signal to the BRA and MFS demodulator; and

(j) a Mis-Matched (MM) BRA and MFS demodulator filter set for a BRA and MFS demodulation, wherein the demodulator filter set is MM mis-matched to that of a BRA and MFS filter set of the modulator.