NDLI: Designing a traffic management system to utilize a digital cable network

Content Provider	IEEE Xplore Digital Library
Author	Aguigui, K.G. Fehon, K.J. Raie, R.
Copyright Year	2001
Description	Author affiliation: DKS Associates, Oakland, CA, USA (Aguigui, K.G.)
Abstract	The City of Walnut Creek is in the process of replacing its existing traffic management system with a new advanced traffic management system. The system will consist of a central control system, Model 2070 controllers, closed circuit television (CCTV) cameras, and a communications network system. The icons/sup TM/ central system was selected by the City to replace the existing VMS-330 system. A key element of the City's new system is the use of a digital cable network for communications between the central system and the field elements. The City's central system will utilize the network of a local digital cable company for the communications between the central system and the field traffic controllers, as well as the CCTV cameras (video signals and control). The digital cable network utilizes standard 10Base-T frames and Internet Protocol (IP) packets for the video and data transmission. At each traffic controller location, an interim solution which "packetizes" the controller's serial data will be implemented which will be replaced when the controllers are able to properly encapsulate data into IP packets for transmission. The video signal at each CCTV location will need to be compressed using readily available equipment. The cable modems proposed for the system can accept up to four devices and multiplex them into a single 10Base-T output. The paper discusses the basic network configuration, the design challenges of the system, and the future enhancements to the system.
Starting Page	1044
Ending Page	1049
File Size	605620
Page Count	6
File Format	PDF
ISBN	0780371941
DOI	10.1109/ITSC.2001.948806
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-08-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Communication system traffic control Cable TV Cities and towns Centralized control Traffic control Communication cables Control system synthesis Communication system control Cameras Control systems
Content Type	Text
Resource Type	Article

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