Base station, mobile communication system, and communication method
First Claim
Patent Images
1. A base station comprising:
- a directional antenna configured to transmit a directional beam to a mobile station;
an omnidirectional antenna configured to transmit an omnidirectional beam to the mobile station; and
an antenna controller configured to determine whether or not the mobile station is capable of receiving the directional beam, and select the directional antenna as an antenna for transmitting individual data in a case of being capable of receiving the directional beam, or select the omnidirectional antenna as an antenna for transmitting the individual data in a case of being incapable of receiving the directional beam.
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Abstract
A base station comprises a directional antenna configured to transmit a directional beam to a mobile station, an omnidirectional antenna configured to transmit an omnidirectional beam to the mobile station, and an antenna controller configured to determine whether or not the mobile station is capable of receiving the directional beam, and select the directional antenna as an antenna for transmitting individual data in a case of being capable of receiving the directional beam, or select the omnidirectional antenna as an antenna for transmitting the individual data in a case of being incapable of receiving the directional beam.
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Citations
7 Claims
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1. A base station comprising:
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a directional antenna configured to transmit a directional beam to a mobile station;
an omnidirectional antenna configured to transmit an omnidirectional beam to the mobile station; and
an antenna controller configured to determine whether or not the mobile station is capable of receiving the directional beam, and select the directional antenna as an antenna for transmitting individual data in a case of being capable of receiving the directional beam, or select the omnidirectional antenna as an antenna for transmitting the individual data in a case of being incapable of receiving the directional beam. - View Dependent Claims (2, 3, 4, 5)
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6. A mobile communication system comprising:
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a mobile station; and
a base station comprising;
a directional antenna configured to transmit a directional beam to the mobile station;
an omnidirectional antenna configured to transmit an omnidirectional beam to the mobile station; and
an antenna controller configured to determine whether or not the mobile station is capable of receiving the directional beam, and select the directional antenna as an antenna for transmitting individual data in a case of being capable of receiving the directional beam, or select the omnidirectional antenna as an antenna for transmitting the individual data in a case of being incapable of receiving the directional beam.
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7. A communication method comprising:
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determining whether or not a mobile station is capable of receiving a directional beam;
selecting a directional antenna as an antenna for transmitting individual data in a case of being capable of receiving the directional beam, or an omnidirectional antenna as an antenna for transmitting the individual data in a case of being incapable of receiving the directional beam; and
transmitting the individual data to the mobile station by using either the directional antenna or the omnidirectional antenna.
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Specification