Adaptive antenna
First Claim
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1. An adaptive antenna, comprising:
- a plurality of antenna elements for forming a plurality of beams that cover a predetermined service area;
detecting means for detecting a communication amount of data transmitted or received with each of the beams; and
controlling means for controlling a direction and width of each of the beams corresponding to the detected communication amount.
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Abstract
Features of an adaptive antenna are a controlling portion 11 as a method for detecting the communication amount of each beam and an antenna controlling portion 7 as a controlling method for controlling the pattern of each beam corresponding to information of the detected communication amount. In particular, an exciting weight of each antenna element is controlled corresponding to the detected communication amount and thereby the pattern of each beam is controlled. Thus, the communication amounts of individual beams can be flexibly well-balanced. Consequently, the communication capacity of the base station can be effectively used.
151 Citations
18 Claims
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1. An adaptive antenna, comprising:
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a plurality of antenna elements for forming a plurality of beams that cover a predetermined service area; detecting means for detecting a communication amount of data transmitted or received with each of the beams; and controlling means for controlling a direction and width of each of the beams corresponding to the detected communication amount. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An adaptive antenna, comprising:
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a plurality of antenna elements for forming a plurality of beams that cover a predetermined service area; detecting means for detecting for each of the beams a communication amount of data transmitted or received with each of the beams; and controlling means for controlling a direction and width of each of the beams corresponding to the detected communication amount for each of the beams. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification