{"id":2239,"date":"2024-04-24T06:22:37","date_gmt":"2024-04-24T06:22:37","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2239"},"modified":"2024-04-24T06:24:27","modified_gmt":"2024-04-24T06:24:27","slug":"what-is-the-relationship-between-rfid-and-nfc","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/vi\/what-is-the-relationship-between-rfid-and-nfc\/","title":{"rendered":"M\u1ed1i quan h\u1ec7 gi\u1eefa RFID v\u00e0 NFC l\u00e0 g\u00ec?"},"content":{"rendered":"
Internet v\u1ea1n v\u1eadt bao g\u1ed3m ba c\u00f4ng ngh\u1ec7 ch\u00ednh: k\u1ebft n\u1ed1i, nh\u1eadn d\u1ea1ng v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u.<\/div>\n
<\/div>\n
Tr\u01b0\u1edbc \u0111\u00e2y, ch\u00fang ta \u0111\u00e3 n\u00f3i nhi\u1ec1u v\u1ec1 c\u00f4ng ngh\u1ec7 v\u1ec1 c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong Internet v\u1ea1n v\u1eadt k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng v\u00e0 tr\u00ean th\u1ef1c t\u1ebf, vi\u1ec7c nh\u1eadn d\u1ea1ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c tri\u1ec3n khai Internet v\u1ea1n v\u1eadt, ngh\u0129a l\u00e0 ch\u00fang ta ph\u1ea3i nh\u1eadn d\u1ea1ng v\u00e0 ph\u00e2n bi\u1ec7t duy nh\u1ea5t t\u1eebng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/div>\n
<\/div>\n
C\u00f4ng ngh\u1ec7 nh\u1eadn d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng RFID tr\u01b0\u1edbc \u0111\u00e2y g\u1ea7n nh\u01b0 \u0111\u1ed3ng ngh\u0129a v\u1edbi Internet v\u1ea1n v\u1eadt, v\u00e0 gi\u1edd \u0111\u00e2y l\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a C\u00f4ng ngh\u1ec7 RFID<\/a> NFC \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c. Qua b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 c\u00f4ng ngh\u1ec7 nh\u1eadn d\u1ea1ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb Internet of Things, m\u1ed1i quan h\u1ec7 gi\u1eefa RFID v\u00e0 NFC l\u00e0 g\u00ec?<\/div>\n
<\/div>\n
RFID<\/div>\n
<\/div>\n
Nh\u1eadn d\u1ea1ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn kh\u00f4ng ti\u1ebfp x\u00fac (RFID) v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y truy\u1ec1n d\u1eef li\u1ec7u th\u00f4ng qua s\u00f3ng \u0111i\u1ec7n t\u1eeb kh\u00f4ng d\u00e2y. Tuy nhi\u00ean, kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng chung, m\u1ee5c \u0111\u00edch c\u1ee7a n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c g\u1eedi tin nh\u1eafn v\u0103n b\u1ea3n, RFID ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nh\u1eadn d\u1ea1ng v\u00e0 theo d\u00f5i th\u1ebb g\u1eafn tr\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch qu\u1ea3n l\u00fd \u0111\u1ed1i t\u01b0\u1ee3ng.<\/div>\n
C\u00f4ng ngh\u1ec7 FID \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong kho b\u00e3i v\u00e0 h\u1eadu c\u1ea7n \u0111\u1ec3 theo d\u00f5i h\u00e0ng h\u00f3a<\/div>\n
<\/div>\n
H\u1ec7 th\u1ed1ng RFID s\u1eed d\u1ee5ng th\u1ebb (tag) \u0111\u1ec3 nh\u1eadn d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng. Ngo\u00e0i th\u1ebb, h\u1ec7 th\u1ed1ng RFID c\u00f2n c\u00f3 b\u1ed9 thu ph\u00e1t kh\u00f4ng d\u00e2y hai chi\u1ec1u, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 B\u1ed9 th\u1ea9m v\u1ea5n\/\u0110\u1ea7u \u0111\u1ecdc, g\u1eedi t\u00edn hi\u1ec7u \u0111\u1ebfn th\u1ebb v\u00e0 \u0111\u1ecdc ph\u1ea3n h\u1ed3i c\u1ee7a th\u1ebb.<\/div>\n
H\u1ec7 th\u1ed1ng RFID bao g\u1ed3m \u0111\u1ea7u \u0111\u1ecdc v\u00e0 th\u1ebb<\/div>\n
\"\"<\/div>\n
<\/div>\n
RFID \u0111\u01b0\u1ee3c chia th\u00e0nh RFID th\u1ee5 \u0111\u1ed9ng v\u00e0 RFID ch\u1ee7 \u0111\u1ed9ng. RFID th\u1ee5 \u0111\u1ed9ng th\u01b0\u1eddng ch\u1ec9 RFID th\u1ee5 \u0111\u1ed9ng kh\u00f4ng c\u00f3 pin, ho\u00e0n to\u00e0n d\u1ef1a v\u00e0o vi\u1ec7c ti\u1ebfp nh\u1eadn s\u00f3ng \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 kho\u1ea3ng c\u00e1ch nh\u1eadn d\u1ea1ng c\u1ee7a th\u1ebb kh\u00f4ng thay \u0111\u1ed5i. H\u1ec7 th\u1ed1ng RFID ch\u1ee7 \u0111\u1ed9ng th\u01b0\u1eddng ch\u1ec9 th\u1ebb RFID ch\u1ee7 \u0111\u1ed9ng, c\u00f3 kho\u1ea3ng c\u00e1ch nh\u1eadn d\u1ea1ng gi\u1ea3m khi gi\u1ea3m c\u00f4ng su\u1ea5t.<\/div>\n
<\/div>\n
H\u1ec7 th\u1ed1ng ETC s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 RFID gi\u00fap vi\u1ec7c ra v\u00e0o thu\u1eadn ti\u1ec7n h\u01a1n<\/div>\n
<\/div>\n
RFID ch\u1ee7 \u0111\u1ed9ng th\u01b0\u1eddng c\u00f3 kho\u1ea3ng c\u00e1ch nh\u1eadn d\u1ea1ng d\u00e0i, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ec7 th\u1ed1ng ETC c\u1ee7a tr\u1ea1m thu ph\u00ed t\u1ef1 \u0111\u1ed9ng tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c v\u00e0 b\u00e3i \u0111\u1ed7 xe t\u1ef1 \u0111\u1ed9ng, th\u01b0\u1eddng s\u1eed d\u1ee5ng RFID ch\u1ee7 \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 2,4 GHz. Tuy nhi\u00ean, c\u00f3 m\u1ed9t c\u1ee5c pin trong nh\u00e3n ETC v\u00e0 n\u1ebfu pin h\u1ebft, c\u1ea7n ph\u1ea3i thay pin m\u1edbi c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/div>\n
<\/div>\n
Th\u1ebb RFID<\/div>\n
<\/div>\n
Th\u1ebb RFID bao g\u1ed3m hai ph\u1ea7n: M\u1ea1ch t\u00edch h\u1ee3p (IC) v\u00e0 \u0103ng-ten:<\/div>\n
<\/div>\n
IC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u, \u0111i\u1ec1u ch\u1ebf v\u00e0 gi\u1ea3i \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u RF v\u00e0 thu th\u1eadp n\u0103ng l\u01b0\u1ee3ng t\u1eeb t\u00edn hi\u1ec7u do \u0111\u1ea7u \u0111\u1ecdc g\u1eedi \u0111\u1ebfn \u0111\u1ec3 t\u1ef1 v\u1eadn h\u00e0nh.<\/div>\n
<\/div>\n
M\u1ee5c \u0111\u00edch c\u1ee7a \u0103ng-ten l\u00e0 truy\u1ec1n v\u00e0 nh\u1eadn t\u00edn hi\u1ec7u kh\u00f4ng d\u00e2y.<\/div>\n
\"\"<\/div>\n
<\/div>\n
\u0110\u1ecbnh d\u1ea1ng m\u00e3 EPC, m\u00e3 EPC c\u00f3 th\u1ec3 d\u1ea7n thay th\u1ebf m\u00e3 UPC truy\u1ec1n th\u1ed1ng, t\u1ee9c l\u00e0 m\u00e3 v\u1ea1ch h\u00e0ng h\u00f3a<\/div>\n
<\/div>\n
Th\u1ebb RFID l\u01b0u tr\u1eef nh\u1eefng g\u00ec?<\/div>\n
<\/div>\n
\u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong th\u1ebb RFID th\u01b0\u1eddng l\u00e0 m\u00e3 EPC (M\u00e3 s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed). M\u00e3 EPC c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tr\u00ean th\u1ebf gi\u1edbi. C\u1ea5u tr\u00fac c\u1ee7a m\u00e3 EPC \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi Ti\u00eau chu\u1ea9n d\u1eef li\u1ec7u th\u1ebb EPCglobal, m\u1ed9t ti\u00eau chu\u1ea9n c\u00f4ng khai c\u00f3 th\u1ec3 t\u1ea3i xu\u1ed1ng mi\u1ec5n ph\u00ed t\u1eeb trang web EPCglobal Inc.<\/div>\n
<\/div>\n
C\u00f4ng ngh\u1ec7 NFC<\/div>\n
<\/div>\n
Sau khi n\u00f3i v\u1ec1 RFID, ch\u00fang ta h\u00e3y n\u00f3i v\u1ec1 Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC). NFC l\u00e0 m\u1ed9t giao di\u1ec7n giao ti\u1ebfp r\u1ea5t ph\u1ed5 bi\u1ebfn cho \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng. N\u00f3 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh trao \u0111\u1ed5i d\u1eef li\u1ec7u b\u1eb1ng c\u00e1ch \u0111\u1ebfn g\u1ea7n nhau. C\u00e1c thi\u1ebft b\u1ecb NFC c\u0169ng c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi th\u1ebb NFC th\u1ee5 \u0111\u1ed9ng theo c\u00f9ng c\u00e1ch m\u00e0 RFID th\u1ef1c hi\u1ec7n.<\/div>\n
<\/div>\n
\"\"<\/div>\n
C\u00f4ng ngh\u1ec7 NFC ph\u00e1t tri\u1ec3n t\u1eeb c\u00f4ng ngh\u1ec7 RFID, ngo\u00e0i giao th\u1ee9c truy\u1ec1n th\u00f4ng, ti\u00eau chu\u1ea9n NFC c\u00f2n quy \u0111\u1ecbnh \u0111\u1ecbnh d\u1ea1ng trao \u0111\u1ed5i d\u1eef li\u1ec7u. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ea7u \u0111\u1ecdc th\u1ebb c\u1ea3m \u1ee9ng, th\u1ebb c\u1ea3m \u1ee9ng v\u00e0 ch\u1ee9c n\u0103ng \u0111i\u1ec3m-\u0111i\u1ec3m tr\u00ean m\u1ed9t chip NFC duy nh\u1ea5t cho ph\u00e9p nh\u1eadn d\u1ea1ng v\u00e0 trao \u0111\u1ed5i d\u1eef li\u1ec7u v\u1edbi c\u00e1c thi\u1ebft b\u1ecb t\u01b0\u01a1ng th\u00edch \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn. NFC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p con c\u1ee7a c\u00f4ng ngh\u1ec7 RFID, s\u1eed d\u1ee5ng b\u0103ng t\u1ea7n 13,56MHz, trong khi RFID c\u0169ng bao g\u1ed3m c\u00e1c b\u0103ng t\u1ea7n kh\u00e1c. RFID c\u00f3 r\u1ea5t nhi\u1ec1u b\u0103ng t\u1ea7n l\u00e0m vi\u1ec7c, b\u0103ng t\u1ea7n th\u1ea5p c\u00f3 125KHz, b\u0103ng t\u1ea7n cao c\u00f3 13,56MHz, b\u0103ng t\u1ea7n c\u1ef1c cao c\u00f3 433,92MHz, 915MHz v\u00e0 b\u0103ng t\u1ea7n vi s\u00f3ng l\u00e0 2,45GHz. (2) Kho\u1ea3ng c\u00e1ch giao ti\u1ebfp NFC \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n v\u00e0 kho\u1ea3ng c\u00e1ch giao ti\u1ebfp th\u1ef1c s\u1ef1 r\u1ea5t g\u1ea7n, kh\u00f4ng qu\u00e1 0,1m. C\u00f3 nhi\u1ec1u lo\u1ea1i RFID v\u00e0 kho\u1ea3ng c\u00e1ch nh\u1eadn d\u1ea1ng kh\u00f4ng gi\u1ed1ng nhau. Gi\u1ed1ng nh\u01b0 th\u1ebb truy c\u1eadp RFID, kho\u1ea3ng c\u00e1ch nh\u1eadn d\u1ea1ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 NFC. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng nh\u01b0 ETC, kho\u1ea3ng c\u00e1ch nh\u1eadn d\u1ea1ng t\u01b0\u01a1ng \u0111\u1ed1i d\u00e0i. Kho\u1ea3ng c\u00e1ch nh\u1eadn d\u1ea1ng c\u1ee7a RFID t\u1ea7m xa c\u00f3 th\u1ec3 l\u00ean t\u1edbi h\u00e0ng ch\u1ee5c m\u00e9t ho\u1eb7c th\u1eadm ch\u00ed h\u00e0ng tr\u0103m m\u00e9t. (3) C\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng RFID d\u00f9 ch\u1ee7 \u0111\u1ed9ng hay th\u1ee5 \u0111\u1ed9ng, c\u00f4ng vi\u1ec7c ch\u00ednh v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nh\u1eadn d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng, h\u1eadu c\u1ea7n, v\u1eadn chuy\u1ec3n, kho b\u00e3i \u0111\u1ec1u s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i c\u00f4ng ngh\u1ec7 RFID \u0111\u1ec3 theo d\u00f5i h\u00e0ng h\u00f3a. Chip NFC \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p nhi\u1ec1u h\u01a1n, bao g\u1ed3m \u0111\u1ea7u \u0111\u1ecdc th\u1ebb v\u00e0 nh\u00e3n trong m\u1ed9t. Ngo\u00e0i ra, kh\u1ea3 n\u0103ng giao ti\u1ebfp hai chi\u1ec1u c\u1ee7a NFC \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e2ng cao. N\u00f3i c\u00e1ch kh\u00e1c, NFC kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nh\u00e3n \u0111\u1ec3 nh\u1eadn d\u1ea1ng m\u00e0 c\u00f2n l\u00e0 ph\u01b0\u01a1ng ph\u00e1p giao ti\u1ebfp hai chi\u1ec1u \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u. Hi\u1ec7n nay, NFC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong l\u0129nh v\u1ef1c thanh to\u00e1n.<\/div>\n
\"\"<\/div>\n
<\/div>\n
C\u00f4ng ngh\u1ec7 NFC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c t\u00ecnh hu\u1ed1ng thanh to\u00e1n<\/div>\n
<\/div>\n
Nh\u00ecn chung, m\u1eb7c d\u00f9 NFC \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n tr\u00ean c\u01a1 s\u1edf c\u00f4ng ngh\u1ec7 RFID nh\u01b0ng n\u00f3 kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhi\u1ec1u t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/div>","protected":false},"excerpt":{"rendered":"

Internet v\u1ea1n v\u1eadt bao g\u1ed3m ba c\u00f4ng ngh\u1ec7 ch\u00ednh: k\u1ebft n\u1ed1i, nh\u1eadn d\u1ea1ng v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u. Tr\u01b0\u1edbc \u0111\u00e2y, ch\u00fang ta \u0111\u00e3 n\u00f3i nhi\u1ec1u v\u1ec1 c\u00f4ng ngh\u1ec7 v\u1ec1 c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong Internet v\u1ea1n v\u1eadt k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng v\u00e0 tr\u00ean th\u1ef1c t\u1ebf, vi\u1ec7c nh\u1eadn d\u1ea1ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c tri\u1ec3n khai Internet v\u1ea1n v\u1eadt, m\u00e0 [\u2026]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,44,53],"tags":[],"class_list":["post-2239","post","type-post","status-publish","format-standard","hentry","category-uncategorized","category-ntag-card","category-rfid-device"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/comments?post=2239"}],"version-history":[{"count":2,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2239\/revisions"}],"predecessor-version":[{"id":2245,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2239\/revisions\/2245"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/media?parent=2239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/categories?post=2239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/tags?post=2239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}