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Digital communications cellular multimode systems and wireless networks

  • US 10,588,174 B2
  • Filed: 04/18/2019
  • Issued: 03/10/2020
  • Est. Priority Date: 08/03/2005
  • Status: Active Grant
First Claim
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1. A method comprising the steps of:

  • processing in a communication device a touch screen generated signal into a processed touch screen control signal for controlling said communication device;

    receiving in said communication device a modulated signal;

    demodulating said modulated signal into a demodulated signal;

    processing said demodulated signal into a processed location finder signal;

    providing said processed location finder signal to an interface unit of said communication device;

    receiving, in said communication device, from a cellular base station, a modulated first spread spectrum signal or a modulated first Orthogonal Frequency Division Multiplexed (OFDM) signal;

    demodulating said modulated first spread spectrum signal or said modulated first OFDM signal into a demodulated first spread spectrum or into a demodulated first OFDM signal respectively;

    processing said demodulated first spread spectrum signal or said demodulated first OFDM signal into a processed spread spectrum signal or into a processed OFDM signal respectively;

    modulating in said communication device said processed spread spectrum signal or said processed OFDM signal into a second modulated spread spectrum signal or into a second modulated OFDM signal respectively; and

    transmitting said second modulated spread spectrum signal or said second modulated OFDM signal.

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