×

RADIO COMMUNICATION APPARATUS AND METHOD

  • US 20080287066A1
  • Filed: 03/12/2008
  • Published: 11/20/2008
  • Est. Priority Date: 05/17/2007
  • Status: Active Grant
First Claim
Patent Images

1. A radio communication apparatus which uses a first radio communication system that makes a radio communication by sharing frequencies with a second radio communication system, the apparatus comprising:

  • a detection unit configured to detect an available frequency channel which fails to be used by the second radio communication system in a frequency band used by the first radio communication system; and

    a transmission unit configured to transmit, using the available frequency channel, a frame which includes a signal sequence which is used to identify whether or not the frame is transmitted by a radio communication terminal belonging to the first radio communication system by detecting the available frequency channel, the signal sequence being predetermined for the first radio communication system.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×