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原文传递 Application of Various Digital Subscriber Line (xDSL) Technologies to ITS: Traffic Video Laboratory Assessments

题名：	Application of Various Digital Subscriber Line (xDSL) Technologies to ITS: Traffic Video Laboratory Assessments
作者：	Biesecker, K. ; Charleston, G.
关键词：	Telecommunications; Laboratory tests; Videotapes; Traffic control devices; Transportation industry; Technology; Traffic management
摘要：	Various digital subscriber line (xDSL) technologies are methods, used to implement high-speed data services on a twisted pair (wire) communications medium. They are also candidates for rapidly deploying Intelligent Transportation Systems (ITS) services over existing communications infrastructure. However, as emerging technologies, they are rapidly evolving and remain largely unknown to the transportation industry, and proof-of-concept studies are needed to establish their application within ITS. As part of a Federal Highway Administration (FHWA) task, Mitretek Systems is conducting such studies. Commercially available xDSL products and services exist, and systems are in place to support the more popular residential applications, including Internet access and video on-demand. However, ITS applications such as freeway surveillance video are untested. This paper documents a Mitretek concept study devised to establish, demonstrate, and evaluate the use of xDSL technologies within ITS, particularly traffic video applications (e.g., traffic management, incident detection).
总页数：	138p
报告类型：	科技报告