GPS and non GPS position finder, emergency, MIMO, spread spectrum, CDMA, GSM and OFDM

• US 20070032266A1
• Filed: 04/28/2006
• Published: 02/08/2007
• Est. Priority Date: 08/03/2005
• Status: Active Grant

• Current Assignee: Kamilo Feher
• Original Assignee: Kamilo Feher
• Inventors: Feher, Kamilo
• Granted Patent: US 7,466,975 B2
• Time in Patent Office: Days
• US Class Current: 455/553.100
• CPC Class Codes: H04M 2207/20 hybrid systems
• CPC Class Codes: H04M 2242/04 for emergency applications
• CPC Class Codes: H04M 2242/30 Determination of the location of a subscriber
• CPC Class Codes: H04M 3/382 using authorisation codes or passwords
• 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 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

Global Positioning System (GPS) and non GPS position finder, emergency, multiple input multiple output (MIMO), multimode, spread spectrum, code division multiple access (CDMA), Global Mobile System or Global System Mobile (GSM) and orthogonal frequency division multiplex (OFDM) communication systems. Position finder and emergency communication multiple input multiple output (MIMO) system and a receiver having multiple inputs for reception and demodulation of position finder signals to position finder baseband signals. A processor for processing position finder signals with a signal containing an emergency number. A processors for processing signals to provide cross-correlated shaped in-phase and quadrature-phase baseband signals, spread spectrum and OFDM baseband signals. A control unit for control and selection of one of the jointly processed signals and a selector for providing the selected signal to a modulator. A modulator for modulating the selected signal and for connecting the modulated signal to a multiple output signal transmitter for signal transmission. A demodulator connected to the emergency receiver for demodulation of the modulation format selectable (MFS) and bit rate agile (BRA) modulated signal with at least one demodulator filter which has a mis-match with the corresponding filter of the modulator.

Claims

1. A position finder and emergency communication multiple input multiple output (MIMO) system comprising:

a receiver having multiple inputs for reception and demodulation of position finder signals to position finder baseband signals;

a first processor for processing said position finder baseband signals with a signal containing an emergency number;

a second processor for processing input signals and for providing cross-correlated shaped in-phase and quadrature-phase baseband signals;

a third processor for receiving input signals and for providing spread spectrum baseband signals;

a fourth processor for processing the first processor processed signals jointly with cross-correlated signals or jointly with spread spectrum signals or jointly with both cross-correlated signals and spread spectrum signals;

a control unit for control and selection of one of the jointly processed signals;

a selector for providing the selected signal to a modulator;

a signal modulator for modulating the selected signal and for connecting the modulated signal to a multiple output signal transmitter for signal transmission;

an emergency signal receiver for reception and connection of the transmitted signal to a demodulator; and

a demodulator connected to the emergency receiver for demodulation of the modulation format selectable (MFS) and bit rate agile (BRA) modulated signal with at least one demodulator filter which has a mis-match with the corresponding filter of the modulator.

4. The system of claim 1, wherein said receiver having multiple inputs for reception comprises two or more antennas for signal reception.

5. The system of claim 1, wherein said signals for providing cross-correlated shaped in-phase and quadrature-phase baseband signals are signals used in gaussian minimum shift keying (GMSK) systems.

6. The system of claim 1, wherein said spread spectrum baseband signals are code division multiple access (CDMA) signals.

7. The system of claim 1, wherein said multiple output signal transmitter comprises multiple transmit amplifiers.

8. The system of claim 1, wherein said multiple output signal transmitter comprises two or more antennas for signal transmission.

9. The system of claim 1, wherein said demodulator for demodulation of the modulation format selectable(MFS) and bit rate agile (BRA) modulated signal comprises switchable demodulator filters

2. A position finder and emergency communication multiple input multiple output (MIMO) system comprising:

a receiver having multiple inputs for reception and demodulation of position finder signals to position finder baseband signals;

a first processor for processing said position finder baseband signals with a signal containing an emergency number;

a second processor for processing input signals and for providing cross-correlated in-phase and quadrature-phase shaped baseband signals;

a third processor for receiving input signals and for providing orthogonal frequency division multiplex (OFDM) baseband signals;

a fourth processor for processing the first processor processed signals jointly with orthogonal frequency division multiplex (OFDM) signals or jointly with cross-correlated in-phase and quadrature-phase signals or jointly with both orthogonal frequency division multiplex (OFDM) signals and cross-correlated in-phase and quadrature-phase signals;

a control unit for control and selection of one of the jointly processed signals;

a selector for providing the selected signal to a modulator;

a signal modulator for modulating the selected signal and for connecting the modulated signal to a multiple output signal transmitter for signal transmission;

an emergency signal receiver for reception and connection of the transmitted signal to a demodulator; and

a demodulator connected to the emergency receiver for demodulation of the modulated transmitted signal.

10. The system of claim 2, wherein said cross-correlated in-phase and quadrature-phase shaped baseband signals are signals used in gaussian minimum shift keying (GMSK) systems.

11. The system of claim 2, wherein said cross-correlated in-phase and quadrature-phase shaped baseband signals are for use in Global Mobile System (GSM).

12. The system of claim 2, wherein said receiver having multiple inputs for reception and demodulation of position finder signals comprises two or more antennas.

13. The system of claim 2, wherein said receiver having multiple inputs for reception and demodulation of position finder signals comprises two or more diversity signal reception antennas.

14. The system of claim 2, wherein said multiple output signal transmitter for signal transmission comprises a first transmit amplifier operated in a linearly amplified or linearized mode and a second transmit amplifier operated in a non-linearly amplified(NLA) or saturated amplification mode.

3. A position finder and multiple input multiple output (MIMO) communication system comprising:

a receiver having multiple inputs for reception and demodulation of position finder radio frequency (RF) signals from a Global Positioning System (GPS) to GPS position finder baseband signals;

a receiver for reception and demodulation of position finder radio frequency (RF) signals from an other than GPS to other than GPS position finder baseband signals;

a first processor for processing one or both said position finder baseband signals with a signal containing other than position finder signals;

a control unit for control and selection of the first processor processed signals;

a selector for providing the selected signals to a modulation format selectable(MFS) and bit rate agile (BRA) modulator;

a signal modulator for modulating the selected signal and for connecting the modulated signal to a multiple output signal transmitter for signal transmission; and

a communication receiver for reception and demodulation of the modulated transmitted signal.

15. The system of claim 3, wherein said receiver for reception and demodulation of position finder radio frequency (RF) signals from a Global Positioning System (GPS) comprises multiple antennas for reception of said GPS signals.

16. The system of claim 3, wherein said emergency receiver system comprises two or more receive antennas for reception and processing of the transmitted modulated signal.

17. The system of claim 3, wherein said receiver for reception and demodulation of position finder radio frequency (RF) signals from an other than GPS comprises a receiver from satellite systems which are not part of the GPS.

18. The system of claim 3, wherein said receiver for reception and demodulation of position finder radio frequency (RF) signals from non satellite systems.

19. The system of claim 3, wherein said modulation format selectable (MFS) and bit rate agile (BRA) modulator comprises bit rate selectable filters for bit rate agile operation.

20. The system of claim 3, wherein said signal containing other than position finder signals contains one or more of the following signals:

spread spectrum signals or TDMA signals or signals representing emergency numbers, or cross-correlated shaped signals, or filtered signals