GPS and non GPS position finder, emergency, MIMO, spread...

Details GPS and non GPS position finder, emergency, MIMO, spread... GPS and non GPS position finder, emergency, MIMO, spread...

2006-04-28

2008-12-16

Sobutka, Philip J (Department: 2618)

Telecommunications

Radiotelephone system

Emergency or alarm communication

C455S132000, C455S137000, C455S140000, C455S272000

Reexamination Certificate

active

07466975

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.

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