Mobile radio apparatus and mobile communication system

摘要

A mobile radio apparatus receives a broadcast signal transmitted from at least one base-transceiver station corresponding to a cell around a position of the mobile radio apparatus, obtains from the received broadcast signal a cell identifier for the cell and a cell flag for identifying whether or not the cell is a small cell or a macro cell, stores the obtained cell identifier and cell flag in a cell list, confirms a service quality class for a service of call connection target communication, determines whether or not the service desires a high throughput by using the confirmed service quality class when the cell list includes a cell flag representing a small cell, selects a macro cell from the cell list when it is determined that the service does not desire a high throughput, and transmits a call connection request signal to a base-transceiver station corresponding to the selected macro cell.

主权项

1. A mobile radio apparatus comprising:
a measurement unit configured to receive a broadcast signal transmitted from at least one base-transceiver station corresponding to a cell around a position of the mobile radio apparatus, to obtain a cell identifier, contained in the received broadcast signal, for identifying the cell around the position of the mobile radio apparatus, and a cell flag, contained in the received broadcast signal, for identifying whether or not the cell around the position of the mobile radio apparatus is a small cell or a macro cell, and to store the obtained cell identifier and cell flag in a cell list; a service confirmation unit configured to confirm a service quality class for a service of call connection target communication; and a control unit configured to determine whether or not the service of the call connection target communication is a service that desires a high throughput by using the service quality class confirmed by the service confirmation unit when the cell list includes a cell flag representing a small cell, to select a macro cell from the cell list when it is determined that the service of the call connection target communication is a service that does not desire a high throughput, and to transmit a call connection request signal to a base-transceiver station corresponding to the selected macro cell.