For the purposes of the present document, the following symbols apply:
a the distance between the center point and the short side of a rectangle (perpendicular bisector of
the long side) or the length of the short semi-axis of an ellipse b the distance between the center point and the long side of a rectangle (perpendicular bisector of the short side) or the length of the long semi-axis of an ellipse F function to determine the spatial characteristics of a point P(x,y) relative to a geometric shape P(x,y) point in a Cartesian coordinate system r radius of a circle x abscissa of a Cartesian coordination system with the origin in the centre of the geographical area and parallel to the long side of a geometric shape y ordinate of a Cartesian coordination system with the origin in the centre of the geographical area and parallel to the short side of a geometric shape θ azimuth angle of the long side of a rectangle or the long semi-axis of an ellipse
φ zenith angle of the long side of a rectangle or the long semi-axis of an ellipse

Inteligentni transportni sistemi - Komunikacija med vozili - Opredelitev geografskega območja

Za namene tega dokumenta veljajo naslednji simboli:
a razdalja med osrednjo točko in kratko stranico pravokotnika (navpična bisektrisa
dolge stranice) ali dolžina kratke polosi elipse, b razdalja med osrednjo točko in dolgo stranico pravokotnika (navpična bisektrisa kratke stranice) ali dolžine dolge polosi elipse, F funkcija za določevanje prostorskih značilnosti točke P(x,y) glede na geometrijsko obliko, točka P(x,y) v kartezijskem koordinatnem sistemu, r radij kroga, x abscisa kartezijskega koordinatnega sistema z izhodiščem v sredini geografskega območja in vzporedna z dolgo stranico geometrijske oblike, y ordinata kartezijskega koordinatnega sistema z izhodiščem v sredini geografskega območja in vzporedna s kratko stranico geometrijske oblike, θ azimutni kot dolge stranice pravokotnika ali dolge polosi elipse,
φ zenitni kot dolge stranice pravokotnika ali dolge polosi elipse.

General Information

Status
Published
Public Enquiry End Date
31-Mar-2011
Publication Date
04-Aug-2011
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
27-Jul-2011
Due Date
01-Oct-2011
Completion Date
05-Aug-2011

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SIST EN 302 931 V1.1.1:2011
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.GHOLWHYIntelligent Transport Systems (ITS) - Vehicular Communications - Geographical Area Definition43.040.15Car informatics. On board computer systems35.240.60Uporabniške rešitve IT v transportu in trgoviniIT applications in transport and tradeICS:Ta slovenski standard je istoveten z:EN 302 931 Version 1.1.1SIST EN 302 931 V1.1.1:2011en01-september-2011SIST EN 302 931 V1.1.1:2011SLOVENSKI

STANDARD
SIST EN 302 931 V1.1.1:2011

ETSI EN 302 931 V1.1.1 (2011-07)European Standard Intelligent Transport Systems (ITS);Vehicular Communications;Geographical Area Definition SIST EN 302 931 V1.1.1:2011

ETSI ETSI EN 302 931 V1.1.1 (2011-07) 2

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Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http://portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http://portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media.

© European Telecommunications Standards Institute 2011. All rights reserved.

DECTTM, PLUGTESTSTM, UMTSTM and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association. SIST EN 302 931 V1.1.1:2011

ETSI ETSI EN 302 931 V1.1.1 (2011-07) 3 Contents Intellectual Property Rights ................................................................................................................................ 4 Foreword ............................................................................................................................................................. 4 Introduction ........................................................................................................................................................ 4 1 Scope ........................................................................................................................................................ 5 2 References ................................................................................................................................................ 5 2.1 Normative references ......................................................................................................................................... 5 2.2 Informative references ........................................................................................................................................ 5 3 Definitions and symbols ........................................................................................................................... 5 3.1 Definitions .......................................................................................................................................................... 5 3.2 Symbols .............................................................................................................................................................. 6 4 Definition of geographical areas .............................................................................................................. 6 4.1 Overview ............................................................................................................................................................ 6 4.2 Definition of a circular area ................................................................................................................................ 7 4.3 Definition of a rectangular area .......................................................................................................................... 7 4.4 Definition of an elliptical area ............................................................................................................................ 8 5 Elementary geometry ............................................................................................................................... 8 5.1 Geometric function F to determine spatial characteristics of a point P(x,y)....................................................... 8 5.2 Geometric function F for a circular area ............................................................................................................ 8 5.3 Geometric function F for a rectangular area ....................................................................................................... 9 5.4 Geometric function F for a elliptical area ........................................................................................................... 9 Annex A (informative): Bibliography ................................................................................................... 10 History .............................................................................................................................................................. 11

SIST EN 302 931 V1.1.1:2011

ETSI ETSI EN 302 931 V1.1.1 (2011-07) 4 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http://ipr.etsi.org). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This European Standard (EN) has been produced by ETSI Technical Committee Intelligent Transport System (ITS).

National transposition dates Date of adoption of this EN: 19 July 2011 Date of latest announcement of this EN (doa): 31 October 2011 Date of latest publication of new National Standard or endorsement of this EN (dop/e):

30 April 2012 Date of withdrawal of any conflicting National Standard (dow): 30 April 2012

Introduction The present document specifies a method for location referencing. This method defines geographical areas by means of geometric shapes, i.e. circle, rectangle and ellipse. Furthermore, the present docum

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