Repeating station, a communication apparatus, and a directivity control method
First Claim
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1. A repeating station comprising:
- a first antenna group including at least one antenna element; and
a second antenna group that is different from the first antenna group, the second antenna group including a plurality of antenna elements;
wherein the second antenna group is adjusted so that radiated power in the direction of the first antenna group is reduced.
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Abstract
A repeating station, a communication apparatus, and an antenna directivity control method are disclosed. The repeating station includes a first antenna group including at least one antenna element, a second antenna group that is different from the first antenna group, the second antenna group including two or more antenna elements adjusted so that radiation in the direction of the first antenna group is reduced, wherein the second antenna group is adjusted such that radiated power in the direction of the first antenna group is reduced.
106 Citations
18 Claims
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1. A repeating station comprising:
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a first antenna group including at least one antenna element; and
a second antenna group that is different from the first antenna group, the second antenna group including a plurality of antenna elements;
wherein the second antenna group is adjusted so that radiated power in the direction of the first antenna group is reduced. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A communication apparatus comprising:
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a received signal property calculating unit for calculating a property of a received signal; and
a determining unit for determining whether to start or stop transmission of a transmitting signal from a repeating station based on the property of the received signal. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A directivity control method for a repeating station, comprising:
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a step of transmitting a directivity adjustment signal from each antenna element of a second antenna group including a plurality of antenna elements;
a step of measuring received power of the directivity adjustment signal received by a first antenna group including at least one antenna element; and
a step of controlling the directivity of each of the antenna elements that constitute the second antenna group based on the received power.
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Specification