Apparatus and method for providing users with road traffic information using ad-hoc network
First Claim
1. A method for providing a user with traffic information, comprising the steps of:
- a) each of a plurality of vehicles broadcasting a registration message requesting its registration;
b) each of the plurality of vehicles receiving registration messages broadcast by other vehicles and registering the other vehicles which broadcast the received registration messages to a node management table to create an ad-hoc network between vehicles;
c) at least one Road Side Equipment (RSE) receiving the registration messages broadcast by the plurality of vehicles, and collecting traffic information included in the received registration messages; and
d) the RSE transmitting the collected traffic information to a traffic information service center.
1 Assignment
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Accused Products
Abstract
A traffic information service apparatus using an ad-hoc network and a method for controlling the same. The apparatus provides an ad-hoc network between vehicles and roadside devices, and collects/provides traffic information using the ad-hoc network. The method for providing a user with traffic information, comprising the steps of a) allowing vehicles to broadcast their registration messages to create an ad-hoc network, and creating the ad-hoc network between the vehicles on the basis of the registration messages, b) allowing a Road Side Equipment (RSE) to receive the registration messages broadcast from the vehicles, and collecting traffic information from the registration messages, and c) allowing the RSE to transmit the traffic information to a traffic information service center.
44 Citations
18 Claims
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1. A method for providing a user with traffic information, comprising the steps of:
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a) each of a plurality of vehicles broadcasting a registration message requesting its registration; b) each of the plurality of vehicles receiving registration messages broadcast by other vehicles and registering the other vehicles which broadcast the received registration messages to a node management table to create an ad-hoc network between vehicles; c) at least one Road Side Equipment (RSE) receiving the registration messages broadcast by the plurality of vehicles, and collecting traffic information included in the received registration messages; and d) the RSE transmitting the collected traffic information to a traffic information service center. - View Dependent Claims (2, 3, 4, 5)
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6. A method for at least one Road Side Equipment (RSE) to create an ad-hoc network between the RSE and a plurality of vehicles for collecting traffic information, comprising the steps of:
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a) from each of the plurality of vehicles receiving a registration message requesting its registration; b) registering the received registration message to a first node management table of the RSE and creating the ad-hoc network between the RSE and the vehicles; and c) collecting traffic information from the registration messages and transferring the collected traffic information to a traffic information service center. - View Dependent Claims (7, 8, 9)
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10. A method for providing a user with traffic information, comprising the steps of:
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a) each of a plurality of vehicles broadcasting a registration message requesting its registration to form an ad-hoc network; b) a Road Side Equipment (RSE) receiving broadcast registration messages and registering the vehicles which broadcast the registration messages to a first node management table of the RSE to form the ad-hoc network associated with the vehicles; and c) the RSE receiving traffic information from a traffic information service center and transferring the traffic information to the registered vehicles through the ad-hoc network. - View Dependent Claims (11, 12)
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13. An apparatus for providing a user with traffic information, comprising:
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each of a plurality of vehicles broadcasting a registration message requesting its registration and receiving registration messages broadcast by other vehicles to create an ad-hoc network; at least one Road Side Equipment (RSE) for receiving the registration message broadcast from each of the vehicles, registering the vehicles which broadcast registration messages to a node management table of the RSE, and collecting traffic information from the received registration messages; and a traffic information service center for receiving the traffic information from the RSEs. - View Dependent Claims (14)
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15. A Road Side Equipment (RSE) apparatus for collecting traffic information from a plurality of vehicles, and transferring the collected traffic information to a traffic information service center said RSE apparatus comprising:
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a Radio Frequency (RF) unit for receiving registration messages broadcast from the vehicles and broadcasting a registration message from the RSE to the plurality of the vehicles; a controller for registering the plurality of the vehicles to a node management table of the RSE by using the received registration messages to create an ad-hoc network associated with the vehicles and generating traffic information by using the registration messages; and a communication interface for transferring the generated traffic information to the traffic information service center. - View Dependent Claims (16, 17, 18)
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Specification