Coverage of private base station
First Claim
Patent Images
1. A method comprising:
- in a radio system comprising at least two core networks including a first core network and a second core network, where the first core network comprises at least one public base station and a base station controller, where the second core network comprises a private base station configured to wirelessly communicate with a user terminal via a first channel of communication, the core networks at least partially providing a second channel of communication between the private base station and the at least one public base station separate and independent of the first channel of communication;
measuring, by the user terminal and/or the private base station, a travel time depending on a propagation delay between the private base station and the user terminal;
signaling data on the travel time to the first core network of the radio system via the second channel of communication; and
sending a control data from the first core network to the private base station of the second core network via the second channel of communication and decreasing transmission power of the private base station in the second core network if the measured travel time is longer than a predetermined reference time.
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Abstract
A controller of a private base station receives data on a travel time depending on a propagation delay between a private base station and a user terminal. The controller outputs a control signal to a controllable amplifier for decreasing a transmission power of the private base station if the measured travel time is longer than a predetermined reference time or quality of service is lower than reference quality.
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Citations
26 Claims
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1. A method comprising:
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in a radio system comprising at least two core networks including a first core network and a second core network, where the first core network comprises at least one public base station and a base station controller, where the second core network comprises a private base station configured to wirelessly communicate with a user terminal via a first channel of communication, the core networks at least partially providing a second channel of communication between the private base station and the at least one public base station separate and independent of the first channel of communication; measuring, by the user terminal and/or the private base station, a travel time depending on a propagation delay between the private base station and the user terminal; signaling data on the travel time to the first core network of the radio system via the second channel of communication; and sending a control data from the first core network to the private base station of the second core network via the second channel of communication and decreasing transmission power of the private base station in the second core network if the measured travel time is longer than a predetermined reference time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A private base station comprising:
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a controllable amplifier and a controller; the controllable amplifier is configured to adjust a transmission power of the private base station; the controller is configured; to communicate wirelessly with a user terminal via a first channel of communication; to receive, via a second channel of communication, data, measured by the user terminal, on a travel time depending on a propagation delay between the private base station and the user terminal, from a first core network having at least one public base station, where the private base station is in a second core network, and providing the second channel of communication between the private base station and the at least one public base station separate and independent of the first channel of communication; and to output a control signal to the controllable amplifier for decreasing the transmission power of the private base station if the received travel time is longer than a predetermined reference time. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A radio system comprising:
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at least two core networks including a first core network and a second core network, where the first core network comprises at least one public base station and a base station controller, where the second core network comprises a private base station configured to communicate wirelessly with a user terminal via a first channel of communication, the at least two core networks configured to provide a second channel of communication between the private base station and the at least one public base station separate and independent of the first channel of communication; the private base station comprising a controllable amplifier and a controller; and the controllable amplifier being configured to adjust transmission power of the private base station; the controller being configured to; receive from the first core network, via the second channel of communication, data on a travel time, measured by the user terminal and/or the private base station, depending on a propagation delay between the private base station and the user terminal from the core network; and output a control signal to the controllable amplifier for decreasing the transmission power of the private base station if the received travel time is longer than a predetermined reference time. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
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25. A private base station comprising:
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one or more processors; and one or more memories including computer program code, the one or more memories and the computer program code configured, with the one or more processors, to cause the private base station to perform at least the following; communicating wirelessly with a user terminal via a first channel of communication, where the user terminal and the private base station are in a second core network; adjusting a transmission power of the private base station; receiving data on a travel time, measured by the user terminal, depending on a propagation delay between the private base station and the user terminal of the second core network from a first core network having at least one public base station, and providing a second channel of communication between the private base station and the at least one public base station separate and independent of the first channel of communication, wherein the data on the travel time is received on the second channel of communication; and outputting a control signal for decreasing the transmission power of the private base station if the received travel time is longer than a predetermined reference time.
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26. A radio system comprising:
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at least two core networks comprising a first core network and a second core network, where the first core network comprises at least one public base station and a base station controller, where the second core network comprises a private base station configured to communicate wirelessly with a user terminal via a first channel of communication, the first core network configured to at least partially provide a second channel of communication between the private base station of the second core network and the at least one public base station of the first core network separate and independent of the first channel of communication; one or more processors; and one or more memories including computer program code, the one or more memories and the computer program code configured, with the one or more processors, to cause the private base station to perform at least the following; adjusting transmission power of the private base station; receiving, via the second channel of communication, data on a travel time, measured by the user terminal and/or the private base station, depending on a propagation delay between the private base station and the user terminal from the second core network; and outputting from the first core network a control signal for decreasing the transmission power of the private base station of the second core network if the received travel time is longer than a predetermined reference time.
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Specification