Invention Grant
- Patent Title: Method of identifying and authenticating a radio tag by a reader
- Patent Title (中): 读者识别无线电标签的方法
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Application No.: US13576586Application Date: 2011-01-26
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Publication No.: US09332430B2Publication Date: 2016-05-03
- Inventor: Matthew Robshaw , Henri Gilbert
- Applicant: Matthew Robshaw , Henri Gilbert
- Applicant Address: FR Paris
- Assignee: FRANCE TELECOM
- Current Assignee: FRANCE TELECOM
- Current Assignee Address: FR Paris
- Agency: Westman Champlin & Koehler, P.A.
- Agent David D. Brush
- Priority: FR1050694 20100201
- International Application: PCT/FR2011/050146 WO 20110126
- International Announcement: WO2011/092426 WO 20110804
- Main IPC: G06K7/01
- IPC: G06K7/01 ; G05B19/00 ; H04W12/06
Abstract:
A method and apparatus are provided for identifying and authenticating a radio tag by a radio reader. The tag forms part of a set of tags in a radio range of the reader and has selected a time slot from a set of available time slots. The method includes: a step of the reader sending a query message during the selected time slot; and a step of the reader receiving a reply message from the tag that selected the time slot. The reply message includes a random value selected by the tag. The tag stores authentication coupons and the reply from the tag received by the reader during the time slot contains, as a random value selected by the tag, a value that is a function of one of the coupons.
Public/Granted literature
- US20130043982A1 METHOD OF IDENTIFYING AND AUTHENTICATING A RADIO TAG BY A READER Public/Granted day:2013-02-21
Information query
