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Transmitter, receiver, wireless communication system, and communication method

  • US 8,532,159 B2
  • Filed: 08/28/2008
  • Issued: 09/10/2013
  • Est. Priority Date: 08/30/2007
  • Status: Active Grant
First Claim
Patent Images

1. A transmitter that performs communication in a spread spectrum communication mode, comprising:

  • a transmitter parameter setting portion that sets a parameter about the transmitter itself;

    a spread code generation portion that generates a spread code based on the parameter set by the transmitter parameter setting portion; and

    a transmitting portion that spreads transmit-data to form a spread signal using the spread code generated by the spread code generation portion, and that transmits the spread signal, whereinthe transmitter sets a condition for selecting a receiver with which the transmitter itself communicates and sets the parameter corresponding to the condition, andthe spread code contains a first spread code that shows a planar position of the transmitter itself and a second spread code that shows a vertical position of the transmitter itself.

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