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Block synchronization data communication unit in mobile radio

  • US 4,823,362 A
  • Filed: 06/25/1987
  • Issued: 04/18/1989
  • Est. Priority Date: 03/08/1985
  • Status: Expired due to Term
First Claim
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1. A block synchronization data communication unit in a mobile radio comprising:

  • (1) a transmitting part including;

    (a) a means for encoding data and forming said data into blocks to be transmitted;

    (b) a means for adding a block synchronization signal, having a plurality of different successive patterns positioned in a prescribed order, to said data formed into blocks;

    (c) a circuit means for modulating said data formed into blocks with said block synchronization signal, and(2) a receiving part including;

    (a) a receiver means for receiving data;

    (b) a circuit means for demodulating said received data;

    (c) a means for decoding said demodulated received data; and

    (d) a means for recognizing one of said patterns constituting said block synchronization signal and for estimating the data position based on a position of said recognized pattern in said plurality of different successive patterns.

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