Radio communication equipment with transmission rate regulating function
First Claim
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1. A communication equipment with a transmission rate regulating function, comprising:
- detection means for detecting an electric field level of a received radio signal transmitted from a remote station;
first assigning means for assigning an initial transmission rate for a control signal to be transmitted from the remote station, based on the electric field level detected by said detection means; and
determination means for detecting a bit error rate of the control signal transmitted from the remote station and determining an optimal transmission rate by regulating the assigned initial transmission rate according to the detected bit error rate.
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Abstract
An RSSI detector 2 detects the electric field level of a received signal, and a transmission rate determiner 5 determines an initial transmission rate value from the detected electric field level. A radio unit 1 transmits the determined initial value to a base station 20. In response thereto, the base station 20 transmits a control signal at the assigned initial transmission rate value. A bit error rate value detector 4 detects a bit error rate of the control signal, and a transmission rate determiner 5 finely regulates the initial value according to the detected bit error rate. An optimal transmission rate is thus determined.
94 Citations
15 Claims
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1. A communication equipment with a transmission rate regulating function, comprising:
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detection means for detecting an electric field level of a received radio signal transmitted from a remote station; first assigning means for assigning an initial transmission rate for a control signal to be transmitted from the remote station, based on the electric field level detected by said detection means; and determination means for detecting a bit error rate of the control signal transmitted from the remote station and determining an optimal transmission rate by regulating the assigned initial transmission rate according to the detected bit error rate. - View Dependent Claims (2, 3, 4, 14, 15)
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5. A radio communication equipment with a transmission rate regulating function, comprising:
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receiving means for receiving a signal from a remote station; first detection means for detecting an electric field level of the signal received by said receiving means; second detection means for detecting a bit error rate of the signal received by said receiving means; and determination means for setting an initial transmission rate value based on the electric field level detected by said first detection means, and for determining a more preferable transmission rate value by regulating the initial transmission rate value according to the bit error rate detected by said second detection means. - View Dependent Claims (6, 7, 8, 9)
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10. A control method for regulating a signal transmission rate of a communication equipment, comprising the steps of:
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detecting an electric field level of a radio signal received from a remote station; assigning a transmission rate to a control signal from the remote station based on the electric field level detected in the detecting step; detecting a bit error rate of the control signal transmitted from the remote station; and determining a more preferable transmission rate by regulating the assigned transmission rate according to the detected bit error rate. - View Dependent Claims (11, 12)
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13. A control method for regulating a signal transmission rate of a radio communication equipment, comprising the steps of:
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receiving a signal transmitted from a remote station; detecting an electric field level of the received signal; detecting a bit error rate of the received signal; setting an initial transmission rate value based on the detected electric field level; and determining a more preferable transmission rate value by regulating the initial transmission rate value according to the detected bit error rate.
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Specification