Patent ID: 11871293
Assignee: DENSO CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A communication terminal comprising:
a cellular communication portion configured to perform a cellular communication with base stations;
a location information acquiring portion configured to acquire location information indicating a current position of the communication terminal;
a location information transmitting portion configured to cause the cellular communication portion to transmit the location information to a communication network;
a nearby base station information acquiring portion configured to acquire nearby base station information from the communication network through the cellular communication portion, the nearby base station information indicating nearby base stations located in a vicinity of the communication terminal;
a receiving level measuring portion configured to
measure a receiving level of radio waves from each base station at predetermined intervals and with a predetermined algorithm according to 3GPP standards, and
create a list in which the base stations are listed in a decreasing order of the receiving level; and

a connection control portion configured to select a connection target from the base stations and attempt to connect to the connection target, wherein
the connection control portion is configured to
select, as the connection target, the base station having a highest receiving level and attempt to connect to the selected base station,
exclude the selected base station from connection candidates when the attempt to connect to the selected base station failed, and
subsequently select, as the connection target, the base station from the nearby base stations in order of proximity to the current position of the communication terminal and attempt to connect to the selected base station.