Self-Describing Data Transfer Methodology for Intelligent Transportation Systems Applications
- 1 January 1999
- journal article
- Published by SAGE Publications in Transportation Research Record: Journal of the Transportation Research Board
- Vol. 1660 (1) , 140-147
- https://doi.org/10.3141/1660-18
Abstract
The wide variety of remote sensors used in intelligent transportation systems (ITS) applications (loops, probe vehicles, radar, cameras, etc.) has created a need for general methods by which data can be shared among agencies and users who own disparate computer systems. In this paper a methodology is presented that demonstrates that it is possible to create, encode, and decode a self-describing data (SDD) stream using existing data description language standards, parsers to enforce language compliance, a simple content language that flows out of the data description language, and architecture neutral encoders and decoders based on Abstract Syntax Notation One (ASN.1). Further, it documents a reference implementation of an SDD receiver.Keywords
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