|     SAE J2735-Draft-Rev26 [issued: 09-18-08]   -  19 -  This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.  3.95 Walk Interval: An interval during which the WALKING PERSON (symbolizing WALK) signal  indication is displayed. When a verbal message is provided at an accessible pedestrian signal, the verbal  message is walk sign.  3.96 warning beacon: A beacon used only to supplement an appropriate warning or regulatory sign or  marker.  3.97 WAVE device: A device that contains a WAVE-conformant medium access control (MAC) and  physical layer (PHY) interface to the wireless medium. (See IEEE 802.11 and IEEE 1609.4)  3.98 WAVE management entity (WME): The set of management functions, as defined in IEEE Std 1609  documents, required to provide WAVE Networking Services.  3.99 WAVE service information element (WSIE): A collection of configuration data transmitted by  either OBU or RSU, which includes the Provider Service Table, and in the case of the RSU the WAVE  Routing Advertisement, as well as security credentials.  3.100 wireline: Connected via a traditional communications interface; not the wireless interface specified  here.  3.101 XML: A common method of exchanging messages made up of tags and values organized in a data  structure and typically transported over common Internet formats such as HTTP.  XML has a growing  number of supporters due to its ability to be implemented in the types of heterogeneous systems often  found in ITS deployments.  It is possible to express and exchange the DSRC message sets using this  method; XML schema definitions are provided in the latter clauses of the standard.  3.102 yellow change interval: The first interval following the green interval during which the yellow  signal indication is displayed.  In the SPAT message the fixed duration of the yellow change interval is  (optionally) provided for each active lane being described.  3.2 Abbreviations and acronyms  The terms, abbreviations and acronyms cited below shall be a part of the terms of this standard (and of the  other companion volumes and guides) unless specifically cited otherwise.  AAMVA  American Association of Motor Vehicle Administrators  ABS  Anti-lock Braking System  ACID  Application Class Identifier  ACM  Need Define here  ASTM  American Society for Testing and Materials  |