METHOD AND APPARATUS FOR SYNCHRONIZATION IN VEHICLE NETWORK
First Claim
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1. A method for synchronization in a vehicle network formed between wireless communication devices of vehicles traveling on a road, the method comprising:
- detecting a vehicle traveling on the road by a vehicle detection sensor installed at predetermined intervals; and
when detecting the vehicle by the vehicle detection sensor, generating a beacon signal for synchronization by a synchronization device and transmitting the same to the wireless communication device of the vehicle,wherein the wireless communication device of the vehicle performs synchronization based on the beacon signal.
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Abstract
For synchronization between the wireless communication device of a vehicle and a synchronization device installed on a road in a vehicle network, when the passage of a vehicle is detected, the synchronization device generates and transmits a beacon signal for synchronization. That is, a synchronization signal is transmitted to the wireless communication device of the vehicle only when the vehicle is detected by the synchronization device installed at predetermined intervals on the road.
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Citations
12 Claims
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1. A method for synchronization in a vehicle network formed between wireless communication devices of vehicles traveling on a road, the method comprising:
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detecting a vehicle traveling on the road by a vehicle detection sensor installed at predetermined intervals; and when detecting the vehicle by the vehicle detection sensor, generating a beacon signal for synchronization by a synchronization device and transmitting the same to the wireless communication device of the vehicle, wherein the wireless communication device of the vehicle performs synchronization based on the beacon signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus for performing synchronization in a vehicle network formed with a wireless communication device of a vehicle travelling on a road, including:
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a charging unit for charging electrical energy in accordance with a signal generated from a vehicle detection sensor that outputs an electrical signal in response to pressure of the vehicle travelling on the road; a signal generation unit for generating a beacon signal for synchronization with the wireless communication device of the vehicle when the signal is output from the vehicle detection sensor; and a transmission/reception unit for transmitting the beacon signal to the wireless communication device of the vehicle and receiving a signal transmitted from the wireless communication device. - View Dependent Claims (11, 12)
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Specification