Mobile communication system and network device
AssigneeNtt Docomo, Inc.
InventorsKenichiro Aoyagi, Takaaki Sato
Life of this patent
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Abstract
A mobile communication system in which a home cell limits access from a first mobile station, and when the first mobile station communicating via a macro cell using the same frequency as the home cell enters a predetermined area near the home cell, the first mobile station is caused to perform handover to a different-frequency macro cell selected from among macro cells covering the predetermined area and using frequencies different from that used in the home cell.
Claims11
A mobile communication system, comprising:
- a home radio base station which provides a home cell, wherein the home cell restricts access from a first mobile station;
- a macro radio base station which provides a macro cell, wherein the home cell is within a coverage area of the macro cell;
- and
- a device that includes a cell change instruction unit configured to, when the first mobile station communicating via the macro cell using a same frequency as the home cell enters within a predetermined area whose distance to the home cell is not more than a predetermined threshold, cause the first mobile station to perform handover to a different-frequency macro cell selected from among macro cells covering the predetermined area and using frequencies different from that used in the home cell.
A network device used in a mobile communication system including a home cell configured to restrict access from a first mobile station, the network device comprising:
- a cell change instruction unit configured to, when the first mobile station communicating via a macro cell using a same frequency as the home cell enters a predetermined area whose distance to the home cell is not more than a predetermined threshold, cause the first mobile station perform handover to a different-frequency macro cell selected from among macro cells covering the predetermined area and using frequencies different from that used in the home cell, wherein the home cell is within a coverage area of the macro cell.
A home radio base station managing a home cell configured to restrict access from a first mobile station, the home radio base station comprising:
- a cell change instruction unit configured to, when the first mobile station communicating via a macro cell using a same frequency as the home cell enters a predetermined area whose distance to the home cell is not more than a predetermined threshold cause the first mobile station perform handover to a different-frequency macro cell selected from among macro cells covering the predetermined area and using frequencies different from that used in the home cell, wherein the home cell is within a coverage area of the macro cell.
Dependencies are inferred from the claim text.