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Radio environment measuring system

  • US 5,381,444 A
  • Filed: 10/30/1992
  • Issued: 01/10/1995
  • Est. Priority Date: 10/31/1991
  • Status: Expired due to Fees
First Claim
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1. A radio wave environment measuring system for measuring propagation state of radio waves, comprising:

  • a fixed radio apparatus provided in a base station; and

    a mobile radio apparatus in communication with the fixed radio apparatus through the radio waves,the mobile radio apparatus having a transmission/reception means for receiving a transmission signal from the fixed radio apparatus and for sending a return signal to the fixed radio apparatus, andthe fixed radio apparatus having a transmission/reception means for sending the transmission signal to the mobile radio apparatus and for receiving the returned signal from the mobile radio apparatus, and a measuring means for determining the propagation state of radio wave, wherein the propagation state of the radio waves includes at least one of a propagation distance, direction and reception intensity of the radio waves between the fixed radio apparatus and the mobile radio apparatus based on the transmission signal and the returned signal.

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