METHOD AND APPARATUS FOR PROVIDNG AND USING PUBLIC TRANSPORTATION INFORMATION
First Claim
1. A method for encoding public transportation information, comprising:
- creating an information system identifier for identifying a bus information system and identification information for a bus route;
creating location information for each bus running on the bus route, the location information being expressed in an identifier that is uniquely assigned to bus stops located within an area in which the public transportation information is serviced so that a single bus stop can be uniquely identified by identifier thereof; and
creating a component containing the information created in the above creating steps.
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Abstract
Disclosed herein is a method and apparatus for providing traffic information of public transportation means, such as a bus, and utilizing the provided information. A method of encoding public traffic information according to the present invention creates an identifier of bus information system, an ID of bus route, and location information of each in-service bus pertaining to the bus route. The location information is expressed in a stop ID that is uniquely allocated to all of bus stops within coverage of BSI (Bus Service Information) service. The created information is organized to status information that is in turn incorporated into a transfer message. A sequence of transfer messages, each being constructed as described above, is wirelessly transmitted.
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Citations
25 Claims
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1. A method for encoding public transportation information, comprising:
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creating an information system identifier for identifying a bus information system and identification information for a bus route; creating location information for each bus running on the bus route, the location information being expressed in an identifier that is uniquely assigned to bus stops located within an area in which the public transportation information is serviced so that a single bus stop can be uniquely identified by identifier thereof; and creating a component containing the information created in the above creating steps. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for encoding public transportation information, comprising:
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an encoder for creating an information system identifier for identifying a bus information system and identification information for a bus route and for creating location information for each bus running on the bus route, the location information being expressed in an identifier that is uniquely assigned to bus stops located within an area in which the public transportation information is serviced so that a single bus stop can be uniquely identified by identifier thereof; and a frame organizer for organizing frames by adding error correction data to data including the information created by the encoder. - View Dependent Claims (9, 10)
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11. A method for decoding public transportation information, comprising:
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extracting status information from a received signal; and extracting an information system identifier for identifying a bus information system and an identifier for a bus route from a component contained in the extracted status information and extracting from the component location information for each bus running on the bus route, the location information being expressed in an identifier that is uniquely assigned to bus stops located within an area in which the public transportation information is serviced so that a single bus stop can be uniquely identified by identifier thereof. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. An apparatus for decoding public transportation information, comprising:
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a demodulator for demodulating a received signal to output a sequence of messages carrying public transportation information; a decoder for extracting status information from each of the messages and extracting from the status information an information system identifier for identifying a bus information system, an identifier for a bus route, and public transportation information including location information for each bus running on the bus route, the location information being expressed in an identifier that is uniquely assigned to bus stops located within an area in which the public transportation information is serviced so that a single bus stop can be uniquely identified by identifier thereof; and a controller for storing the extracted information in storage means and outputting the stored information or a part of the stored information via an output unit depending on a given condition. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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Specification