Information distribution system
First Claim
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1. An information distribution system comprising:
- a radio transmission unit for transmitting data signals at a transmission rate being variable;
a detection unit for detecting speed control information for a mobile object having a receiver for receiving data signals transmitted without wires from said radio transmission unit; and
a transmission rate setting unit for changing the transmission rate of the data signals according to said speed control information.
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Abstract
Disclosed is an information distribution system capable of distributing high quality data without lowering throughput of a network even in a communication area where many movable bodies could be traveling. The information distribution system comprises a radio transmission unit for transmitting data signals at a transmission rate being variable; a detection unit for detecting speed control information for a mobile object having a receiver for receiving data signals transmitted without wires from the radio transmission unit; and a transmission rate setting unit for changing the transmission rate of the data signals according to the speed control information.
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Citations
23 Claims
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1. An information distribution system comprising:
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a radio transmission unit for transmitting data signals at a transmission rate being variable;
a detection unit for detecting speed control information for a mobile object having a receiver for receiving data signals transmitted without wires from said radio transmission unit; and
a transmission rate setting unit for changing the transmission rate of the data signals according to said speed control information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An information distribution system comprising:
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a radio transmission unit for transmitting data signals at a transmission rate being variable;
a detection unit for detecting traffic congestion information for a mobile object having a receiver for receiving data signals transmitted without wires from said radio transmission unit; and
a transmission rate setting unit for setting a transmission rate of said data signals according to said traffic congestion information. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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Specification