US Patent No. 10,251,176

RADIO COMMUNICATION APPARATUS, RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION METHOD


Patent No. 10,251,176
Issue Date April 02, 2019
Title Radio Communication Apparatus, Radio Communication System, And Radio Communication Method
Inventorship Yoshiaki Ohta, Yokohama (JP)
Yoshihiro Kawasaki, Yokosuka (JP)
Tetsuya Yano, Yokohama (JP)
Yoshinori Tanaka, Yokohama (JP)
Assignee FUJITSU LIMITED, Kawasaki (JP)

Claim of US Patent No. 10,251,176

1. A radio communication apparatus to perform communication with another radio communication apparatus by using a plurality of frequency bands, the radio communication apparatus comprising:a receiver configured to receive, when performing a random access procedure to the another radio communication apparatus, a control message by using a first frequency band as a last message among a plurality of messages transmitted by the radio communication apparatus in the random access procedure, the control message instructing communication using a second frequency band different from the first frequency band; and
a controller configured to control communication according to reception of the control message, to perform data communication with the another radio communication apparatus by using the second frequency band.