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Radio base station apparatus and radio communication method

  • US 7,133,698 B2
  • Filed: 06/26/2001
  • Issued: 11/07/2006
  • Est. Priority Date: 06/29/2000
  • Status: Expired due to Fees
First Claim
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1. A radio base station apparatus comprising:

  • a fading correlation monitor that detects a fading correlation of radio waves received through a plurality of antenna elements;

    a reception method selector that receives the radio waves from the antenna elements and provides the radio waves to a receiver selected in accordance with the detected fading correlation;

    a directional receiver that executes directional reception, on the provided radio waves, only when the reception method selector selects the directional receiver to receive the provided radio waves;

    a diversity receiver that executes diversity reception, on the provided radio waves, only when the reception method selector selects the diversity receiver to receive the provided radio waves; and

    a demodulator that demodulates a signal output by the receiver selected to receive the radio waves provided by the reception method selector, wherein;

    the directional receiver creates directivity for the radio waves to increase the quality of the demodulated signal, andthe diversity receiver combines or selects a plurality of signal sequences within the radio waves to increase the quality of the demodulated signal.

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