
iso/iec 18000-3

iso/iec 18000-3 anedi nishkriyaatmaka rfid amsam sthaayi gurtimpu kosam oka antarjaateeya pramaanam mariyu idhi 13.56 emhechz vadda air interfaces communicationla kosam paaraamitulanu vivaristundi. mode 2 kosam lakshya marketlu tayari, logistics, retail, ravana mariyu vimanayana saamaanu kosam tagging vyavasthalalo unnaayi. mode 2 mukhyamgaa adhika vegam gala bulk conveyor feed applicationlaku anukuulamgaa untundi.
saadhaarana vivarana.
mode 2 rfid taglu nishkriyaatmakamainavi, ivi rfid prasnakarta dwara utpatti cheyabadina prasnaarthaka sanketam nundi vaati saktini pondutaayi. reader mariyu tagloni coupled antenna kaayilsnu upayoginchi adhika-frequency ayaskanta kshetram dwara prasnakarta nundi tagku shakti badilee cheyabadutundi. power feeled frequency 13.56 mhz ± 7 kz.
prasnakarta mariyu tagg madhya sambhaashana prasnakarta-charchalu-modati (ii. tii. eff) praatipadikana nirvahinchabadutundi. prasnakarta yokka vichaarana sanketam dwara tagnu sakriyam chesina taruvaata, tagg chellubaatu ayye aadesam kosam nissabdamgaa vechi untundi. chellubaatu ayye aadesaanni sweekarinchina tarvaata, aadesaaniki pratispandanagaa tagg oka javaabunu prasaram chestundi. air interfaces puurti-dwandwa communication linkga panichestundi. vichaaranakarta puurti-dwandwa prasaaraalatoo panichestundi, ekakaalamlo bahula tagg pratyuttaraalanu sweekaristuu aadesaalanu prasaram cheyagaladu. taglu haaph-duplexes transmissionlatho panicheestaayi.
power feeled yokka faze-jitter modulation (pjm) dwara aadesaalu prasnakarta nundi tagku prasaram cheyabadataayi. pjm power feeldlo chaalaa chinna dasha marpuluga daetaanu prasaram chestundi. pjm samayamlo tagku shakti badileeloo etuvanti taggimpu ledhu, mariyu pjm yokka bandwidth dayta yokka asalu double sided spectrum kante vedalpugaa undadu. pjm side byaand sthaayilu mariyu dayta raetlu vidadeeyabadataayi, idhi dayta retunu prabhaavitam cheyakunda side byaand sthaayilanu yea ekapaksha sthaayilo sett cheyadaaniki anumatistundi. command dayta raetu savarinchina frequency modulation (mfm) nuu upayoginchi encode cheyabadindi.
taglu inductive coupling dwara prasnakartaku samadhanam istayi, tadwara tagg antenna kaayil antataa voltagenu sub carrier dwara modulate chestaaru. power feeled frequency vibhajana nundi sub carrier udbhavinchindi. taglu 969 kz mariyu 3013 kz madhya enimidi sub carrier frequencielalo okadaanni enchukovachhu. pratyuttaram dayta raetu 105.9375 kbit/s anedi mfm upayoginchi encode cheyabadi, upa vaahakamlo binary faze-shift keying (bpsk) gaa modulate cheyabadutundi. vividha chaanellalo pratyuttaram ichhe taglu ekakaalamlo andela chuudataaniki, dayta mariyu sub carrier harmonic sthaayilanu tagginchadaaniki tagg pratyuttaraalu byaand-parimitam cheyabadataayi.
bahula-tagg gurtimpu anedi frequency-division bahula access mariyu time-division bahula access (ftdma) kalayikanu upayoginchi nirvahinchabadutundi. taglanu upayoginchadaaniki enimidi pratyuttaram chaanallu andubaatulo unnaayi. chellubaatu ayye aadesaaniki pratispandanagaa prati tagg yaadrucchikamgaa daani javaabunu prasaram cheyadaaniki oka chaanelnu enchukuntundi. enchukunna chaanelnu upayoginchi okasari samadhanam prasaram cheyabadutundi. tadupari chellubaatu ayye aadesaanni sweekarinchina tarvaata prati tagg yaadrucchikamgaa kotta chaanelnu enchukuni, kottagaa enchukunna chaanelnu upayoginchi samadhaanaanni prasaram chestundi. yaadruchchika chaanal empikanu upayoginchi pratyuttaram frequency hopping yokka eee paddhati prati tadupari chellubaatu ayye aadesaaniki punaraavrutamavutundi. vichaaranakarta gurtinchina taglanu gurtimpu prakriya nundi tolaginchadaaniki vaatini enchukoni mute cheyavachu. oka tagg mute cheyabadinappudu, tagg yea samaadhaanaalanu prasaram cheyadu. yaadruchchika chaanal empikatho paatu taglu yaadrucchikamgaa vyaktigata pratyuttaraalanu mute cheyagalavu. samadhanam mute cheyabadinappudu, tagg aaa javaabunu prasaram cheyadu. singulation samayamlo chaalaa pedda sankhyalo taglanu gurtinchetappudu yaadruchchika muting avasaram. anni ftdma frequency mariyu time paaraamitulu command dwara nirvachinchabadataayi.
anni aadesaalu time-stamp cheyabadataayi, mariyu taglu oka vichaaranakartanu pravesinchina tarvaata andukunna modati stampnu nilva chestaayi. nilva chesina time stamp tagg modata vichaaranakartaloki eppudu pravesinchindo khachitamgaa nirvachistundi mariyu tagg kramaanni nirnayinchadaaniki adhika-resolution paddhatini andistundi, idhi gurtimpu vegam nundi vidadeeyabadutundi. time stamp vanti taatkaalika settingulu taatkaalika yaadruchchika-access memory (tram) loe nilva cheyabadataayi, ivi orientation-sunnitamaina prashnaarthakaalalo power feeldnu marchadam valla vidyut antaraayaala samayamlo dayta kantentlanu unchutaayi.
applications.
gaming, aarogya samrakshana, aushadhaalu, patram mariyu media nirvahanalo upayoginchadaaniki praathamika anuvartanaalu rfid taglalo unnaayi. german gurtimpu kaardulo ISO/iec 18000-3 untundi mariyu ISO/iec 14443 anedi ISO/iec 7816 protokaallanu upayoginche anukuulamaina 13.56 mhz rfid chipnu kaligi untundi.