WIRELESS COMMUNICATION SYSTEM AND WIRELESS STATION
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Abstract
A station determines the presence/absence of directional beam control in an access point, on the basis of received power measured when data transmitted from the access point are received, and the type of the received data. In accordance with the result of this determination, the station controls transmitting power to transmit data to the access point.
17 Citations
42 Claims
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1-21. -21. (canceled)
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22. A wireless communication method for a system which exchanges data between an access point and a station, the method comprising:
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measuring a received power of the station when data is received by the station; detecting a type of the received data; determining whether the access point performs a directional beam control based on the measured received power and the detected type of the received data; and controlling a transmitting power of the station for transmitting data to the access point in accordance with the result of the determination. - View Dependent Claims (23, 24, 25)
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26. A wireless communication method for a system which exchanges data between an access point and a station by CSMA (Carrier Sense Multiple Access), the method comprising:
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measuring a received power of the station when data is received by the station; detecting a type of the received data; determining whether the access point performs a directional beam control based on the measured received power and the detected type of the received data; controlling a transmitting power of the station for transmitting data to the access point in accordance with the result of the determination; and controlling a carrier sense level of the station in accordance with the result of the determination. - View Dependent Claims (27, 28)
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29. A wireless communication method for a system which exchanges data between an access point and a station, the method comprising:
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measuring a first received power of the station when first data are broadcast from the access point and received power of second data are unicast from the access point; determining whether the access point performs a directional beam based on the measured first received power and the measured second received power; and controlling a transmitting power of the station for transmitting data to the access point when it is determined that the access point performs the directional beam control. - View Dependent Claims (30, 31, 32)
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33. A wireless communication method for a system which exchanges data between an access point and a station by CSMA (Carrier Sense Multiple Access), the method comprising:
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measuring first received power of the station when first data are broadcast from the access point and second received power of the station when second data are unicast from the access point; determining whether the access point performs a directional beam control based on the measured first received power and the measured second received power; controlling a transmitting power of the station for transmitting data to the access point when it is determined that the access point performs the directional beam control; and controlling a carrier sense level of the station in accordance with the result of the determination. - View Dependent Claims (34, 35, 36)
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37. A wireless communication method for a station which exchanges data with an access point, the method comprising:
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measuring first received power when first data are broadcast from the access point and second measures the received power when second data are unicast from the access point; determining whether the access point performs a directional beam control based on the measured first and second received powers; and controlling a transmitting power for transmitting data to the access point when it is determined that the access point performs the directional beam control. - View Dependent Claims (38, 39, 40)
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41. A wireless communication method for a station which exchanges data with an access point by CSMA (Carrier Sense Multiple Access), the method comprising:
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measuring first received power when first data are broadcast from the access point and second received power when second data are unicast from the access point; determining whether the access point performs a directional beam control based on the measured first and second received powers; controlling a transmitting power when it is determined that the access point performs the directional beam control; and controlling a carrier sense level in accordance with a result of the determination. - View Dependent Claims (42)
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Specification