UHF RFID baxsittek atu aaxige waytam

UHF RFID applicationitte ummattah gabat agle luk, mango taqabitte proojekti applicationittel geytimta, tamah fanat RFID elektiroonik tags mango taqabitte le. Projekti abnissoh addat meqeh tan maqnisso mannal geytam xiqtaah, UHF RFID tags wagsiisak sissin qaynatih maqnisso elle faxximta innal geytimtam faxximta.

EPC Class1 Gen2 (G2 uxxuk) portokool V109 bicsaanam faxximtah tan tags kee Readers (readers) lih gexxah tan ximmooma waginnay:

A. Astootih caaloota macaay?

Taqabitte (CW) irradiation kee cayli-up (Power-up) geytimek lakal, tagsi Ready (bici), Arbitrate (cokmi), Raddi (gacsi amri), Qaddoysiyyi (gacsa), Fakimi (ummatta), Amaan (kalalu) ), Qidim (inactivated) 7 takke doolatittek tiyak teyna.

1. Read-write state yaanam, sissin qaynatih addat tan sissin qaynatih addat tan sissin qaynatih addat tan sissin qaynatih addat tan.

2. Arbitrate caalat, toh mangom qammaltam amritteh gacsa axcih essero.

3. Essero gacseek lakal, Reply state culusak, ACK amri gacsaanam kee EPC ixxima gacsoonuh.

4. EPC ixxima ruubeenik lakal, Acknowledged state culsaanam kee Req_RN amritteh gacsa abaanam.

5. Dubuk Access Password 0 akke wayta waqdi Open state fanah cultam duddah, tohih taagah kutbe kee kutbe elle takke.

6. Secured state fanah cultam xiqtam, Access Password elle yamixxige innal, kee taamah afkan akah yaceenim, kutbe, kee lowsis akah aban innah abaanam.

7. Killed state fanah cultah tan tags inki caalatal raqtam, RF field akah taamitannah modulated signal akah culsan innah abtam madudda, tohih taagah umman way akah taamitannah abta. Inactivated tag inkih tan dariifal Killed state dacrisam faxximta, kee inactive state culsaanam faxximta, kee inactivation taamah addat cultam faxximta.

Tohih taagah, tag inkih tan doolat fanah cultuh inkih tan madqooqih amritteh qaynat faxxiima, tonnah kaadu kulli amritteh addat tan amritteh addat tan waqdi dubuk geytimtam duddaah, kaadu tag kaadu gersi doolat fanah gexa amritteh raddi gacseek lakal.

B. Baxsi mesenkaca manni aroocaay?

Baxsi mesenkaca affara currik tan kobxissoh exxaaxil kurrumta: Tiqobbaroh (tiqobbaroh), EPC (elektiroonik murtisso koox), TID (tag mamaxxagah ixxima) kee Xoqoysime (duqaysime).

tiqobbaroh arac: kobxissoh sirri loowo qidaanam ( sirri loowo baysaanam) kee sirri loowo gufsaanam ( sirri loowo gufsaanama).

EPC arac: riig EPC ixxima, w.w tanim.

TID arac: riig baxsah ixxima, umman TID ixxima baxsa allele.

Xoqoysimah araca: Xoqoysimal baxxaqimte oytih riig.

C. Amritte qaynoota macaay?

Faxxiima taamah addat, amritte sidiica exxal kurrumta: label Dooro (dooro), Inventory (inventory) kee Access (access) amritte.

Amri architecture kee scalability wagsiisak, amritte affara exxal kurrumta: Dirkih (faxximta), Doorit (doorit), Lewanna (lewanna), kee Madruur (madruur).

D. Dooro amritte macaay?

dubuk inki meexoh amri yan: meexo, dirkih tanim. Baxsimeynaani baxaabaxsale weeloola le. Inki inki qaynatih qaynatittee kee astooti milaagoonuh Select command akah aban innah, artificially baxsale tag butta dooraanam kee lowsis abaanam duudumtah, kee dubuh inventory identification kee access operations keenil abaanam duudumtah. tah tuxxiqle booditte salcisaanam kee qagaaqagitak baxxaqsa kee baxxaqsa yaysissikeenim.

E. Gino amritte macaay?

koona gino amritte tan, migaq luk: essero, essero massos, essero gacsa, ACK, NAK.

1. Tag qimmoh addah Esseroora amri geytek lakal, kulli tag elle faxximta innal geytimam kee doorimeh yan num, random ixxima (dice rolling) celta), kee kulli tag random ixxima zero lem echo (qangarah uddur password RN16 -- a 16-bit random state the p), kee transfer; gersi caalatal geytimta baxsitte inki inki weeloola kee astooti milaagtaah, tohih taagah dagal tan baxsitte buttaati, qagaaqagitak baxsitte lowsiisoonuh kaxxa tuxxiq le.

2. Tagsiyyi qimmoh addah QueryAdjust amri geytimeh yan waqdi, kulli tagsi qusba random number (dice re-rolling) akah geytannah abak, gersi tagsi Query celta.

3. Tag celsiisenta QueryRep amri geytek lakal, tag buttah addal tan kulli tag celsiisenta random number inkih lowsiisak, gersi mari Query celsiisak lowsiisak geytima.

4. dubuk sahlin baxsitte geytam duddah gitat tan ACK amritte ( dagal RN16 duqaysimak, hinnay gaba Handle------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ ----------/------------------------------------)--------- tah sirri makaanizim!), tet hirigtek lakal, tet wadirih ruuba EPC dariifal tan kak takkem?? EPC portokooluk kaxxam rakiibook tan abtoota.

5. NAK amri geytimeh yan waqdi, tagsi Arbitrate state fanah gexaah, Ready kee Killed state fanah gexa.

F. Gufneh amritte macaay?

toh bacra gufneh amritte, konooy dirki: Req_RN, ikriy, kutbe, qidim kee alfenta. sidiica doorit yan: gufne, alfenta kutbe, alfenta baysiyyi.

1. Tagte Req_RN (RN16 hinnay Handle) amri geytek lakal, handle, hinnay qusba RN16, doolat elle faxximta innal ruubaanam faxximta.

2. Tagsiyyi qimmoh addah Read (with Handle) amri geytimeh yan waqdi, lowsis qaynatih koox, hinnay faxximta blockih addatino kee handle ruuba.

3. Tah elle faxximta innal Write (RN16 & Handle) amri geytimek lakal, tagsiyyi qaynatih koox ruubaanam, hinnay kutbe qimmoh addah geytimtek handle ruubaanam.

4. Tagsiyyi qimmoh addah Kill (Kill Password, RN16 & Handle) amri geytek lakal, taqabi qaynatih koox ruubaanam, hinnay qidim qimmoh addah geytimek, handle qimmoh addah ruubaanam.

5. Lock (with Handle) amri geytimek lakal, tagsiyyi qaynatih koox ruubaanam, hinnay kaadu lowsis gubat gactek handle ruubaanam.

6. Tagsiyyi qimmoh addah (Access Password, RN16 & Handle) amri geytek lakal, qimmoh addah ruuba.

7. Tagsiyyih uddur BlockWrite (with Handle) amri geytimeh yan waqdi, lowsis qaynatih koox ruubaanam, hinnay kaadu block write lowsis gubat gactek handle lowsis gubat haanam faxximta.

8. Tagte BlockErase (Handle luk) amri geytimeh yan waqdi, taqabi qaynatih koox ruubaanam, hinnay block erase geytimeh yan waqdi, handle geytimeh yan.

G. Dirkih tan amritte macaay?

UHF baxsitte kee UHF yakriye marih addat G2 portokool, taban kee inki faxximta amritte tan qokoltam faxximta: Dooro (dooro), Essero (essero), EsseroMassos (essero massos), EsseroRep (qagaaqagitak essero), ACK (EPC gacsa), NAK (numberri fan gacta), Redom Read_ad (wiiris), qidim (abnisso sinna), alfenta (alfenta).

H. Doorit (doorit) amritte macaay?

UHF tags kee UHF maqnisso G2 portokol lih gexxah tan, sidiica doorit amritteh addat tan: Gufne (gufne), BlockWrite (gufne), kee BlockErase (gufne).

I. Lewanna amri maca akkeleeh?

Proprietary amritte inkih tan fabrikaak gexxaamah, axcih label addah fokkaaqoh, w.w.w., tonnah tan amritte label fabrikaak yewqeek lakal inkih tan amritteh addat geytimtam faxximta.

J. Qaadah amritte macaay?

toh amri baxxaaqissam murtisso kee fakut duqaysimak. Ceelalloh, Philips BlockLock (Block Lock), ChangeEAS (EAS caalat milaagu), EASAlarm (EAS alarm) kee gersi amritte (EAS yaanam Elektiroonik Maasayyah Fokkaaqoh Uddur) celta amritte xayyoysa.

K kee G2 bood waasoonuh manni cogda xoqoysimtaah? bood akak iyyaanam macaay, kee booditte mannal sadaanam xiqqimtam?

Inki tagik muxxi random number zero luk baxaabaxsale RN16s ruubak geytima waqdi, baxaabaxsale RN16 waveforms elle geytimta antennal geytimta, toh kaadu collisions (collisions) deqsitta, tohih taagah meqennal decode abaanam maduudan. Waveform superposition kee deformation lowsiisoonuh baxaabaxsale qaynatih anti-collision mekanisimitte tan, axcih (wakti-baxsa) inki tag "yab" yemeexege uddurut, kee lakal sahhaloos toh baxxaaqissam kee umman baxsi mango baxsitteh fanat ikriy.

Tamakkel tan dooro, lowsis, kee lowsis amritteh G2’s anti-collision mechanism: Dubuk random ixxima le lowsis RN16 fanah ruubaanam duudumtah. Qagitaak ruuba amri hinnay agle lih Q yaakume buttaati meexen baxsi gitah yaybulleenim fan.

L. Amritte axcih G2 gufneh dooriti. baxsi hinnay UHF kawsa doorit amritte qokle week macaay?

BlockWrite hinnay BlockErase amri qokkolsimak suge waytek, Write amri (16-bit waktil kutbe) mango adda, kah kinnim, 0 kutbeh addat cultam duddah, kee duma sugte block kutbe kee block erase blockitte mango adda gersi 16-bit condition bit celta.

Access amri qokkolsimak suge waytek, dubuh Access Password 0 takke waqdi, system Secure state culsaanam kee Lock amri edde yantifiqeenim duudumtah. gufneh sirri loowo milaagimam duudah fakim hinnay amaan le caalatal, kee lakal alif amrit duqaysimak alfenta hinnay maytani alif gufneh sirri looword (pwd-read/write bit 1, permalock bit 0 hinnay 1, tablen tablen wagitto), label awayih uddur Secured caalatal cultam madudda, kaadu Lock amri elle faxximta innal lowsiisih addat cultam madudda.

dubuk gufneh amri qokkolsime wak, toh takkem bictah ramad le amrit duqaysimak currik cultuh kulli qaynatih doolatittel. Label umman way alfimtem hinnay umman way alfimteh tanim kee inki inki amritte abbinossuh cineeh, Killed state addat tan, baxaabaxsale amritte kaadu meqennal abbinoysaanam duudumtah.

G2 protokolil tescessimeh tan Access amri doorit kinni, takkay immay Access amri fooca fanah faxxiimam takkem duudumtah hinnay kaadu G2 tags kee readers inkih Access amri qokoltaah, lowsis kee lowsis kaxxa lowsis kee lowsis akah yakkennah abaanam duudumtah .

M. G2 portokool addat qidiyyi amri xaloot macaay? taamite wayte baxsitte qagitak xoqoysil assam duuduntaa?

qidiyyi amri daffeytem G2 portokool kee lowsiisih 32- qunxa sirri loowo. Kill amri meqennal edde yantifiqeenimih lakal, tagsi raadiyô frequency field akah taamitannah modulation signal akah yakkennah abaanam maduudan, tohih taagah inkih tan lowsis akah yakkennah abaanam. Laakin asli data uxih RFID tags addat geytimtam bictah, tohih taagah ken wagsiisak, Kill command maqnisso yaysiiseenim faxximta -- data lih duugaanam.

Toh tonnal anuk, G2 astat yantifiqeenimih awqentitte hinnay gersi sababitte wakti addat, astat yantifiqeenim kee qagitak yantifiqeenim duudaanam kinnim cubbit haak (ceelalloh, astat yantifiqeenim faxan pallet hinnay sandug, celsiisenta EPC ixxima qagitak aracat gactek lakal, User Writtesconw is and the content of; gaali aracat gactam hinnay qagitak kibtam asta), tohih taagah toh faxximtah amri qagitaak yaktubem duuda walaa asta kak takkem umman way alfimte. Baxaabaxsale alfenti doolatittek raat cabaamih taagah, dubuk kutbe, BlockWrite hinnay BlockErase amri, EPC ixxima, User content hinnay Password (ceelalloh, EPC ixxima tag alfimtam kee qagitaak kutbe abtam madudda, hinnay alfimtam hinna takkay immay tagno EPC Password kee qagitak yunkuttube). Ta wakti, sahlin kee qado Erase amri faxxiima-TID arac kee tet Lock status bit (TID label fabrikaak yewqeek lakal qagitaak yaktubeenim maduudan), gersi EPC ixximaami, Reserved arac, User area content kee gersi Lock status bit, walah Too maytanih yan Lock status bit kaadu baysele.

Qalalisna way, Kill amri kee Erase amri edde ossimeh yan taamah afkan, Kill Password edde anuk, Kill Password edde anuk, Kill amri elle geytimam, modulation signals akah geytimam, tamah kaadu Kill amri elle geytimam parameter RFU kinnim tamixxige. Baxaabaxsale nihiritte cubbit hayis.

N. Baxsi mamaxxagah ixxima (TID) baxsa lem takkem faxxintaa? Mannal aracat gaceeh?

Baxsi mamaxxagah ixxima TID baxsitte fanat tan mamaxxagah asta kinni. Amaan kee celsis sadih mablaak, asta baxsa lem takkem faxximta; dagah yan affara kobxissoh blockitteh addat tan ximmooma isih elle faxximta innal, inki inki maritte fabrikaak yewqeek lakal faxe waktil qagitaak qimmisaanam duudumtah, TID kaadu ta doori beytam duddah, tohih taagah TID ximmooma baxsa le gurral takkem faxximta.

TID baxsa le kinniimih taagah, EPC koox elle yan innal gersi label fanah korsaanam duudumtah, kaadu TID elle yan innal baxsaanam duudumtah, tohih taagah raceenah addat tan. ta qaynatih xisoh handasat kee cogda sahlinih abinal tan, takkay immay cubbi kah yaceenim maknay silsilatal baxsa lem yasmitoonuh.

Tohih taagah, fabrikaak yewqek naharal, TID wagsiisak Lock command hinnay gersi qaynatih taamah afkan akah yaceenim faxximta; kee manufacturer hinnay kaadu sissin massoynaani TID celsiisenta elle faxximta innal kulli G2 chip baxsa le gurral geytimtam kee nammay haytoh TID faxe caalatal geytimtam faxximta. Inki TID, G2 tag Killed state addat yan way, qagitaak edde yantifiqeenim faxximta, tet TID (uxiih ta tag) gersi G2 tag addat yan.