×

Radio communication system

  • US 20040224719A1
  • Filed: 05/17/2004
  • Published: 11/11/2004
  • Est. Priority Date: 01/18/1996
  • Status: Active Grant
First Claim
Patent Images

1. A radio communication system comprising:

  • a narrow-band radio base station having narrow-band transmission/reception means for data transmission;

    a wide-band radio base station having wide-band transmission means for data transmission; and

    a radio terminal having narrow-band transmission/reception means for transmitting/receiving data to/from said narrow-band radio base station and wide-band reception means for receiving data from said wide-band radio base station, wherein said radio terminal measures a received signal strength indicator of a signal transmitted from said narrow-band radio base station, and performs handover processing for said narrow-band radio base station when the measurement result is lower than a predetermined handover threshold level, and said radio terminal includes means for changing the handover threshold level when data is received from said wide-band radio base station.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×