US 12,089,144 B2
Radio communication apparatus and method
Makoto Tomizu, Yokohama (JP); Hiroki Shiiba, Yokohama (JP); Kazunori Kojima, Yokohama (JP); and Masahiro Yagi, Kawasaki (JP)
Assigned to KYOCERA Corporation, Kyoto (JP)
Filed by KYOCERA Corporation, Kyoto (JP)
Filed on Dec. 22, 2021, as Appl. No. 17/559,165.
Application 17/559,165 is a continuation of application No. PCT/JP2020/024710, filed on Jun. 24, 2020.
Claims priority of application No. 2019-119149 (JP), filed on Jun. 26, 2019; and application No. 2019-119157 (JP), filed on Jun. 26, 2019.
Prior Publication US 2022/0116861 A1, Apr. 14, 2022
Int. Cl. H04W 48/16 (2009.01)
CPC H04W 48/16 (2013.01) 12 Claims
OG exemplary drawing
 
1. A radio communication apparatus comprising:
a communicator; and
a controller configured to perform, in a case where search auxiliary information used to search for a base station used as a connection destination is stored, a first base station search based on the search auxiliary information, wherein
the controller is configured to perform a second base station search on all frequencies supported by the communicator in a case of failure in the first base station search or in a case where the search auxiliary information is not stored, and
the controller is configured to determine whether to store base station information related to the base station used as a connection destination, as the search auxiliary information, based on a movement state of the radio communication apparatus when location registration is performed via the base station used as the connection destination.