Base station, radio communications system, base station control method, radio communications method and base station control program
AssigneeNEC Corporation
InventorsToshifumi Nakamura, Kojiro Hamabe, Masayuki Ariyoshi, Kazushi Muraoka
Life of this patent
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Abstract
A radio communications system includes a first base station, a second base station, and at least one mobile station which can communicate with the first base station and the second base station. The second base station starts transmission of a control signal with predetermined power when communication between the first base station and the mobile station is started, and a predetermined condition is satisfied.
Claims19
A base station comprising:
- a load management unit which is configured to acquire communication traffic and number of mobile stations in the base station area;
- a power control unit which is configured to execute transmission power control of radio signal transmission;
- a state change control unit which is configured to control a change of operation state of the base station, an active state in which the base station can form a radio link for communication with the mobile station and a radio station transmission suspension state in which the base station suspends radio signal transmission, and
- wherein the state change control unit changes the operation state of the base station from the active state to the radio transmission suspension state when the load management unit has judged that there is no mobile station to be connected to the base station.
A base station control method comprising:
- acquiring communication traffic and number of mobile stations in the base station area;
- changing operation state of the base station from an active state in which the base station can form a radio link for communication with a mobile station to a radio transmission suspension state in which the base station suspends radio signal transmission when having judged that there is no mobile station to be connected to the base station;
- and
- executing transmission power control for suspending the radio signal transmission.
A non-transitory computer readable recording medium having embodied thereon a base station control program, which when executed by a computer of a base station, causes the computer to execute processing of:
- acquiring communication traffic and number of mobile stations in the base station area;
- changing operation state of the base station from an active state in which the base station can form a radio link for communication with a mobile station to a radio transmission suspension state in which the base station suspends radio signal transmission when having judged that there is no mobile station to be connected to the base station;
- and
- executing transmission power control for suspending the radio signal transmission.
Dependencies are inferred from the claim text.