Pakadali pano, owerenga athu wamba a UHF RFID ndi ma module a RFID ali ndi miyezo iwiri yosankha, zomwe ndi ISO18000-6B ndi ISO18000-6C (EPC Class1 Gen2) miyezo. Miyezo iwiriyi tinganene kuti ili ndi ubwino wawo, ndiye kusiyana kwake?
1. ISO18000-6B imatha kuwerenga mpaka 10 ma tag pa nthawi, malo ogwiritsira ntchito deta ndi aakulu, Kutumiza kwa data ndi pafupifupi 40Kbps. Ma tag a ISO18000-6B nthawi zambiri amagwiritsidwa ntchito m'malo otsekeka, monga kasamalidwe ka katundu.
2. EPC C1G2 ndi ISO18000-6C, omwe amatha kuwerenga ma tag mazana nthawi imodzi, malo ogwiritsira ntchito deta ndi ochepa, ndipo kuchuluka kwa data ndi 40Kbps-640Kbps. Ma tag a ISO18000-6C nthawi zambiri amagwiritsidwa ntchito m'malo otseguka, monga kasamalidwe ka zinthu.
Chochita bwino cha ISO 18000-6C ndikufupikitsa mawonekedwe amlengalenga a tag yokhazikika., yomwe ndi njira yolumikizirana yachifupi. Mwa njira iyi, bola momwe mawayilesi amasinthira mphamvu pakati pa tag ndi mlongoti wa owerenga apangidwa nthawi yomweyo, Kuyankhulana kumatsirizidwa bwino, kotero kuchuluka kwa kuzindikira kumakhala bwino kwambiri poyerekeza ndi ma tag am'mbuyomu. Kuphatikizidwa ndi chizindikiritso chamagulu ambiri, njira yotsutsana ndi kugunda, mode wowerengera-wolemba, ID yowonekera komanso malo achinsinsi, imapereka njira yodziwika bwino yosalumikizana ndi mitundu yosiyanasiyana ya ntchito zomwe zimayimiridwa ndi mayendedwe.
ISO18000-6C ili ndi malo achinsinsi. Mwachidule, ogwiritsa okha omwe ali ndi milingo yopitilira miliyoni imodzi ndi omwe ali oyenera kusankha malo achinsinsi akamayitanitsa. Iyinso ndi njira yamsika ya ISO18000-6C pakugwiritsa ntchito anthu ambiri, kuti mutsegule mapulogalamu omwe alibe ndalama (zonse zogulira ndi zofuna sizopanda ndalama). Mu ntchito zabwinobwino, Dera la datali likhoza kutetezedwa ndi loko ya mawu awiri olamulira Kufikira ndi Kupha. Kamodzi kokhoma, sichingawoneke popanda mawu owongolera, ndipo sichingawerengedwe pokhapokha mutadziwa AccessPWD. KillPWD ili ndi 32bits, ndi 32bits AccessPWD ndi yokwanira yotsutsana ndi chinyengo. Ma tag ambiri mumsewu adakuwa kuti ndi Gen2, chomwe kwenikweni ndi ID ya ISO18000-6C. Sichingathe kupereka ntchito zonse za Gen2, makamaka ntchito zabwino zimenezo, momwemonso wowerenga. Mu Gen2, pali malo achinsinsi a 64Byties. Kwa ogwiritsa ntchito oposa miliyoni imodzi, baiti iliyonse m'derali ikhoza kutsekedwa, kuwerenga kokha, werengani-lembani, ndipo kuwerenga kumaletsedwa popanda kiyi. Zabwino kwambiri mankhwala.
—- ngati munganene ubale pakati pa ISO18000-6C ndi Gen2, kuti zimveke, ISO18000-6C ndi kagawo kakang'ono ka Gen2. Gen2 ali ndi ntchito ndi scalability, kuti ISO18000-6C mwina alibe.
3. Kusungirako deta, ISO18000-6B ili mu “kutsogolo” mtundu, kotero kuchuluka kwa tag ndi kwakukulu; ISO18000-6C ili mu “maziko” mtundu. Powerenga tag, muyenera kungowerenga EPC ndikuwerenga zomwe zili mu tag mogwirizana ndi database yakumbuyo, kufunikira kwa kuchuluka kwa ma tag ndikochepa.
4. Kusiyana kwa mtengo: Ma tag a ISO18000-6C ndi otsika mtengo kuposa ma tag a ISO18000-6B, kuchepetsa ndalama za polojekiti yanu.