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AUPS151202A0 - A sub-carrier signalling scheme allowing small signal suppression identification for labelling systems - Google Patents

A sub-carrier signalling scheme allowing small signal suppression identification for labelling systems

Info

Publication number
AUPS151202A0
AUPS151202A0 AUPS1512A AUPS151202A AUPS151202A0 AU PS151202 A0 AUPS151202 A0 AU PS151202A0 AU PS1512 A AUPS1512 A AU PS1512A AU PS151202 A AUPS151202 A AU PS151202A AU PS151202 A0 AUPS151202 A0 AU PS151202A0
Authority
AU
Australia
Prior art keywords
sub
small signal
signal suppression
signalling scheme
allowing small
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AUPS1512A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tagsys Australia Pty Ltd
Original Assignee
Tagsys Australia Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tagsys Australia Pty Ltd filed Critical Tagsys Australia Pty Ltd
Priority to AUPS1512A priority Critical patent/AUPS151202A0/en
Publication of AUPS151202A0 publication Critical patent/AUPS151202A0/en
Priority to AU2003215442A priority patent/AU2003215442A1/en
Priority to PCT/AU2003/000411 priority patent/WO2003088499A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/06—Code representation, e.g. transition, for a given bit cell depending only on the information in that bit cell
    • H03M5/12—Biphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Security & Cryptography (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
AUPS1512A 2002-04-05 2002-04-05 A sub-carrier signalling scheme allowing small signal suppression identification for labelling systems Abandoned AUPS151202A0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AUPS1512A AUPS151202A0 (en) 2002-04-05 2002-04-05 A sub-carrier signalling scheme allowing small signal suppression identification for labelling systems
AU2003215442A AU2003215442A1 (en) 2002-04-05 2003-04-04 Method for coding rfid tags
PCT/AU2003/000411 WO2003088499A1 (en) 2002-04-05 2003-04-04 Method for coding rfid tags

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPS1512A AUPS151202A0 (en) 2002-04-05 2002-04-05 A sub-carrier signalling scheme allowing small signal suppression identification for labelling systems

Publications (1)

Publication Number Publication Date
AUPS151202A0 true AUPS151202A0 (en) 2002-05-09

Family

ID=3835097

Family Applications (1)

Application Number Title Priority Date Filing Date
AUPS1512A Abandoned AUPS151202A0 (en) 2002-04-05 2002-04-05 A sub-carrier signalling scheme allowing small signal suppression identification for labelling systems

Country Status (2)

Country Link
AU (1) AUPS151202A0 (en)
WO (1) WO2003088499A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101512545A (en) 2006-08-31 2009-08-19 Nxp股份有限公司 Method for coded data transmission between a base station and at least one transponder within a wireless data transmission system
WO2008059442A2 (en) * 2006-11-14 2008-05-22 Nxp B.V. Transponder, reader, method of operating a transponder, and method of operating a reader
FR2951596B1 (en) * 2009-10-19 2012-03-09 Commissariat Energie Atomique METHOD OF ENCODING DATA FROM CONTACTLESS COMMUNICATION FROM TRANSPONDER TO DRIVER BY LOAD MODULATION, AS A SET OF PATTERNS AND DEVICE FOR IMPLEMENTING SAID METHOD

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5986570A (en) * 1997-09-03 1999-11-16 Micron Communications, Inc. Method for resolving signal collisions between multiple RFID transponders in a field
GB9813371D0 (en) * 1998-06-22 1998-08-19 Powell George L Anti-collision tag apparatus and system

Also Published As

Publication number Publication date
WO2003088499A1 (en) 2003-10-23

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