Nsonsonoe bɛn na ɛda RFID ne NFC ntam?

RAIN RFID na ɛyɛ Walmart nneɛma a wɔakora so nhyehyɛe no. NFC na ɛyɛ Apple Pay adwuma. Radio mfiridwuma abusua koro, nnwuma ahorow.

 

 

Nnwumakuw no de "RAIN" di dwuma ma UHF RFID efisɛ na "UHF Gen 2 EPC RFID" ware dodo sɛ wɔbɛka. Impinj, Google, Smartrac ne Intel de branding mmɔdenbɔ no sii hɔ mfe bi a atwam ni, na wɔfɛm fii WiFi playbook no mu. Sɛ tag bi kura RAIN ahyɛnsodeɛ a, ɛdi ISO/IEC 18000-63 ne GS1 EPC Gen2 protocol akyi. EPCglobal gyee Gen2 a ɛdi kan no toom wɔ December 2004. Nkyerɛaseɛ 1.2.0 baeɛ wɔ afe 2008. Mprempren spec, Gen2v2, firii afe 2013. Nsakraeɛ foforɔ, Gen2v3, faa GS1 adwumayɛkuo nhwehwɛmu mu wɔ afe 2023 awieeɛ na na wɔhwɛ kwan sɛ wɔbɛgye atom wɔ afe 2024 mfitiaseɛ.Megan Brewster a ɔfiri Impinj co-chaired nkɔsoɔ no boayikuw no.

 

NFC te 13.56 megahertz so. High-frequency RFID gye band koro no ara. Nsonsonoeɛ no: NFC de atipɛnfoɔ-ka-atipɛnfoɔ tumi ka ho. Mfiri abien a ɛyɛ adwuma betumi asesa data akɔ anim ne akyi. Standard RFID yɛ akenkanfoɔ-kasa-di kan-tag no bua berɛ a wɔbisabisa no nsɛm nko ara.

 

Sony ne Philips Semiconductors hyehyɛɛ mfiridwuma ho nkyerɛkyerɛmu no wɔ Oforisuo 2002. NFC Forum no de wɔn ho hyɛɛ mu wɔ Oforisuo 2004 a Nokia yɛ ɔmannifoɔ a ɔtɔ so mmiɛnsa. Philips spun off ne semiconductor division sɛ NXP wɔ afe 2006. NFC fon a edi kan a wɔde di gua, Nokia 6131, de kɔmaa saa afe koro no ara. Android faa no ne Nexus S wɔ afe 2010. Apple kuraa mu kɔsii sɛ iPhone 6 wɔ September 2014.

 

Range ma wɔyɛ mfaso ma nneɛma ahorow. Wobetumi akenkan RAIN tags afi akyirikyiri mita ahorow. Akenkanfoɔ de RF ahoɔden a ɛwɔ 860 kɔsi 960 megahertz hyɛ beaeɛ bi; passive tags twa saa ahoɔden no de ma wɔn mmuae no nya ahoɔden. Active tags kura batere na ɛde kɔ akyiri. NFC maxes out bɛyɛ 4 centimeters-bɛn araa ma ɛsɛ sɛ wokyerɛ no.

 

Ahoɔhare a wɔde kɔ baabi foforo no ne Bluetooth ntumi nsi akan. NFC du ne soro sen biara wɔ kilobits 424 wɔ sekan biara mu. Bluetooth 2.1 no bɔɔ megabits 2.1. Version 5 no tu mmirika ntɛmntɛm sen saa. Nanso NFC di nkitaho wɔ nea ennu sekan nkyem du mu a enni pairing sequence biara. Google yɛɛ Android Beam twaa saa ahotɔ no ho hyiae. Wokum feature no akyiri yi.

 

Walmart supplier mandates atrɛw firi afe 2020. Ntadeɛ na ɛdii kan. Ofie nneɛma, agode, ɛlɛtrɔnik nneɛma, agumadi nneɛma dii akyi wɔ afe 2022. More general merchandise categories rolled in through 2024. Tags run 4 to 6 cents each now. Wɔ 2000 mfeɛ no mfimfini, berɛ a Walmart bɔɔ mmɔden sɛ wɔbɛpiapia RFID a ɛdi kan no, na ne boɔ bɛyɛ sɛnt 30 na na huammɔdi dodoɔ kɔ soro araa ma wɔn a wɔde nneɛma ma no nantew kɔeɛ.

 

Payment terminal adoption yɛ den sɛ wobedi akyi. NFC yɛ adwuma wɔ akyi. Wo tap, ɛbɔ ka. Visa, Mastercard ne Amex kyekyeree wɔn contactless infrastructure twaa ISO/IEC 14443, proximity card gyinapɛn a ɛne NFC hyia wɔ 13.56 megahertz layer no ho hyiae. NFC Forum no nkyerɛkyerɛmu no twe adwene si 14443 so na ɛde application-level protocols te sɛ NDEF ka ho ma data formatting.

 

Ɛsono sɛnea wɔkenkan ade. RFID akenkanfo antena betumi akyerɛw tag ɔhaha pii wɔ sikani kakraa bi mu-a mfaso wɔ so ma cycle counts wɔ adekoradan anaa stockroom mu. NFC di asɛm biako ho dwuma bere koro mu. Saa anohyeto no fata checkout lines nanso ɛbɛma distribution center bi ayɛ brɛoo.