Method for radio communication between a radio beacon and an onboard unit, and radio beacon and onboard unit therefor
First Claim
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1. A method for selective radio communication between a radio beacon and an onboard unit of a vehicle passing the radio beacon, comprising:
- in the onboard unit;
determining a current heading of the onboard unit and transmitting heading information indicating the current heading to the radio beacon, the transmitting being performed by a transceiver;
in the radio beacon;
receiving the heading information and checking whether the heading indicated in the heading information is within predetermined boundaries, and if so, carrying out a radio communication with the onboard unit, wherein the predetermined boundaries are one or more angular ranges of geographical directions.
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Abstract
Selective radio communication between a radio beacon and an onboard unit of a vehicle passing the radio beacon comprising: in the onboard unit determining the current heading of the onboard unit and transmitting information thereon to the radio beacon; in the radio beacon checking whether the heading indicated in the heading information is within predetermined boundaries, and if so, carrying out a radio communication with the onboard unit.
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Citations
22 Claims
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1. A method for selective radio communication between a radio beacon and an onboard unit of a vehicle passing the radio beacon, comprising:
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in the onboard unit;
determining a current heading of the onboard unit and transmitting heading information indicating the current heading to the radio beacon, the transmitting being performed by a transceiver;in the radio beacon;
receiving the heading information and checking whether the heading indicated in the heading information is within predetermined boundaries, and if so, carrying out a radio communication with the onboard unit, wherein the predetermined boundaries are one or more angular ranges of geographical directions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A radio beacon comprising:
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a transceiver configured to perform radio communication with onboard units of passing vehicles, the transceiver configured to receive information via radio from an onboard unit indicating a current heading thereof; and a processor configured to check whether the current heading is within predetermined boundaries, wherein the predetermined boundaries are one or more angular ranges of geographical directions, wherein the radio beacon is configured to carry out a radio communication with the onboard unit only if the current heading is within the predetermined boundaries. - View Dependent Claims (13, 14, 15, 16)
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17. An onboard unit for mounting on a vehicle, comprising:
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a transceiver configured to communicate with radio beacons and to transmit current heading information to a radio beacon; a device configured to determine the current heading information of the onboard unit, the current heading information transmitted to be used for checking whether a heading indicated in the current heading information is within predetermined boundaries, wherein the predetermined boundaries are one or more angular ranges of geographical directions; a processor configured to detect the radio beacon based on at least one of predetermined information or information provided by another device. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification