{"id":478105,"date":"2023-08-09T09:27:27","date_gmt":"2023-08-09T09:27:27","guid":{"rendered":""},"modified":"2023-09-05T11:16:07","modified_gmt":"2023-09-05T11:16:07","slug":"near-field-communication-nfc","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/near-field-communication-nfc\/","title":{"rendered":"Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC)"},"content":{"rendered":"

Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC) l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 mang t\u00ednh c\u00e1ch m\u1ea1ng cho ph\u00e9p giao ti\u1ebfp kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb. N\u00f3 cho ph\u00e9p trao \u0111\u1ed5i d\u1eef li\u1ec7u nhanh ch\u00f3ng v\u00e0 thu\u1eadn ti\u1ec7n, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng hi\u1ec7n \u0111\u1ea1i v\u00e0 h\u1ec7 th\u1ed1ng thanh to\u00e1n kh\u00f4ng ti\u1ebfp x\u00fac. NFC ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb v\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p k\u1ebft n\u1ed1i li\u1ec1n m\u1ea1ch c\u1ee7a n\u00f3 \u0111\u00e3 m\u1edf ra m\u1ed9t lo\u1ea1t \u1ee9ng d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n

L\u1ecbch s\u1eed v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC) v\u00e0 nh\u1eefng l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n

Kh\u00e1i ni\u1ec7m NFC c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 1980 khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i T\u1eadp \u0111o\u00e0n Radio Hoa K\u1ef3 (RCA) kh\u00e1m ph\u00e1 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u1ea3m \u1ee9ng t\u1eeb \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u an to\u00e0n. Tuy nhi\u00ean, ph\u1ea3i \u0111\u1ebfn n\u0103m 2002, thu\u1eadt ng\u1eef \u201cGiao ti\u1ebfp t\u1ea7m g\u1ea7n\u201d m\u1edbi \u0111\u01b0\u1ee3c \u0111\u1eb7t ra nh\u1edd s\u1ef1 h\u1ee3p t\u00e1c gi\u1eefa Sony v\u00e0 Philips. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 NFC cho m\u1ee5c \u0111\u00edch th\u01b0\u01a1ng m\u1ea1i l\u1ea7n \u0111\u1ea7u ti\u00ean xu\u1ea5t hi\u1ec7n v\u00e0o n\u0103m 2004 khi Nokia gi\u1edbi thi\u1ec7u \u0111i\u1ec7n tho\u1ea1i h\u1ed7 tr\u1ee3 NFC.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC)<\/h2>\n

Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC) l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p con c\u1ee7a c\u00f4ng ngh\u1ec7 Nh\u1eadn d\u1ea1ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RFID) ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 13,56 MHz. N\u00f3 ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi ng\u1eafn, th\u01b0\u1eddng l\u00e0 v\u00e0i cm v\u00e0 y\u00eau c\u1ea7u c\u00e1c thi\u1ebft b\u1ecb g\u1eedi v\u00e0 nh\u1eadn \u1edf g\u1ea7n nhau \u0111\u1ec3 c\u00f3 th\u1ec3 giao ti\u1ebfp. H\u1ec7 sinh th\u00e1i NFC bao g\u1ed3m hai th\u00e0nh ph\u1ea7n ch\u00ednh: thi\u1ebft b\u1ecb kh\u1edfi t\u1ea1o (thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng) v\u00e0 m\u1ee5c ti\u00eau (thi\u1ebft b\u1ecb th\u1ee5 \u0111\u1ed9ng). B\u1ed9 kh\u1edfi t\u1ea1o t\u1ea1o ra m\u1ed9t tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ee5c ti\u00eau v\u00e0 cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC) \u2013 C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a NFC<\/h2>\n

NFC d\u1ef1a v\u00e0o c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 thi\u1ebft l\u1eadp li\u00ean k\u1ebft truy\u1ec1n th\u00f4ng. Thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng (b\u1ed9 kh\u1edfi t\u1ea1o) t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u trong \u0103ng-ten NFC c\u1ee7a n\u00f3, t\u1ea1o ra tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb. Khi m\u1ed9t thi\u1ebft b\u1ecb th\u1ee5 \u0111\u1ed9ng (\u0111\u00edch) n\u1eb1m trong ph\u1ea1m vi c\u1ee7a tr\u01b0\u1eddng n\u00e0y, n\u00f3 s\u1ebd t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n trong \u0103ng-ten NFC c\u1ee7a ch\u00ednh n\u00f3, cho ph\u00e9p trao \u0111\u1ed5i d\u1eef li\u1ec7u di\u1ec5n ra. Vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u di\u1ec5n ra \u1edf t\u1ed1c \u0111\u1ed9 l\u00ean t\u1edbi 424 kbps, khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n

Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC)<\/h2>\n

C\u00f4ng ngh\u1ec7 NFC cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh g\u00f3p ph\u1ea7n \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i:<\/p>\n

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    D\u1ec5 s\u1eed d\u1ee5ng<\/strong>: NFC kh\u00f4ng y\u00eau c\u1ea7u gh\u00e9p n\u1ed1i th\u1ee7 c\u00f4ng ho\u1eb7c thi\u1ebft l\u1eadp ph\u1ee9c t\u1ea1p; c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 giao ti\u1ebfp \u0111\u01a1n gi\u1ea3n b\u1eb1ng c\u00e1ch \u0111\u01b0a ch\u00fang l\u1ea1i g\u1ea7n nhau.<\/p>\n<\/li>\n

  2. \n

    B\u1ea3o v\u1ec7<\/strong>: NFC s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c m\u00e3 h\u00f3a v\u00e0 x\u00e1c th\u1ef1c, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n d\u1eef li\u1ec7u an to\u00e0n.<\/p>\n<\/li>\n

  3. \n

    Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/strong>: NFC t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi RFID, cho ph\u00e9p t\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3.<\/p>\n<\/li>\n

  4. \n

    Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng<\/strong>: V\u00ec NFC ho\u1ea1t \u0111\u1ed9ng \u1edf kho\u1ea3ng c\u00e1ch g\u1ea7n n\u00ean n\u00f3 ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng t\u1ed1i thi\u1ec3u so v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00f4ng d\u00e2y kh\u00e1c.<\/p>\n<\/li>\n

  5. \n

    T\u00ednh linh ho\u1ea1t<\/strong>: NFC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m thanh to\u00e1n kh\u00f4ng ti\u1ebfp x\u00fac, chia s\u1ebb d\u1eef li\u1ec7u, ki\u1ec3m so\u00e1t truy c\u1eadp, v.v.<\/p>\n<\/li>\n<\/ol>\n

    C\u00e1c lo\u1ea1i giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC)<\/h2>\n

    C\u00f3 ba ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a NFC, m\u1ed7i ch\u1ebf \u0111\u1ed9 ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau:<\/p>\n

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      Ch\u1ebf \u0111\u1ed9 \u0111\u1ecdc\/ghi<\/strong>: \u1ede ch\u1ebf \u0111\u1ed9 n\u00e0y, m\u1ed9t thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh ho\u1eb7c \u0111\u1ea7u \u0111\u1ecdc NFC, s\u1ebd \u0111\u1ecdc d\u1eef li\u1ec7u t\u1eeb th\u1ebb th\u1ee5 \u0111\u1ed9ng, nh\u01b0 nh\u00e3n ho\u1eb7c nh\u00e3n d\u00e1n NFC.<\/p>\n<\/li>\n

    2. \n

      Ch\u1ebf \u0111\u1ed9 thi \u0111ua th\u1ebb<\/strong>: C\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 NFC c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng th\u1ebb th\u00f4ng minh kh\u00f4ng ti\u1ebfp x\u00fac, cho ph\u00e9p ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng th\u1ebb kh\u00f4ng ti\u1ebfp x\u00fac hi\u1ec7n c\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i thanh to\u00e1n.<\/p>\n<\/li>\n

    3. \n

      Ch\u1ebf \u0111\u1ed9 ngang h\u00e0ng<\/strong>: C\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c trang b\u1ecb NFC c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi nhau \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 chia s\u1ebb t\u1ec7p, \u1ea3nh ho\u1eb7c th\u00f4ng tin li\u00ean h\u1ec7.<\/p>\n<\/li>\n<\/ol>\n

      D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng t\u00f3m t\u1eaft c\u00e1c ch\u1ebf \u0111\u1ed9 kh\u00e1c nhau c\u1ee7a NFC:<\/p>\n\n\n\n\n\n\n\n
      Ch\u1ebf \u0111\u1ed9 NFC<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
      Ch\u1ebf \u0111\u1ed9 \u0111\u1ecdc\/ghi<\/td>\nThi\u1ebft b\u1ecb \u0111\u1ecdc d\u1eef li\u1ec7u t\u1eeb th\u1ebb ho\u1eb7c nh\u00e3n NFC th\u1ee5 \u0111\u1ed9ng.<\/td>\n<\/tr>\n
      Ch\u1ebf \u0111\u1ed9 thi \u0111ua th\u1ebb<\/td>\nThi\u1ebft b\u1ecb m\u00f4 ph\u1ecfng th\u1ebb th\u00f4ng minh kh\u00f4ng ti\u1ebfp x\u00fac \u0111\u1ec3 giao d\u1ecbch.<\/td>\n<\/tr>\n
      Ch\u1ebf \u0111\u1ed9 ngang h\u00e0ng<\/td>\nHai thi\u1ebft b\u1ecb NFC giao ti\u1ebfp v\u1edbi nhau \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC), s\u1ef1 c\u1ed1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n

      NFC t\u00ecm th\u1ea5y nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh kh\u00e1c nhau:<\/p>\n

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        Thanh to\u00e1n di \u0111\u1ed9ng<\/strong>: \u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh h\u1ed7 tr\u1ee3 NFC cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n thanh to\u00e1n kh\u00f4ng ti\u1ebfp x\u00fac t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng b\u00e1n l\u1ebb v\u00e0 nh\u00e0 ga giao th\u00f4ng c\u00f4ng c\u1ed9ng, n\u00e2ng cao s\u1ef1 thu\u1eadn ti\u1ec7n trong thanh to\u00e1n.<\/p>\n<\/li>\n

      2. \n

        Ki\u1ec3m so\u00e1t truy c\u1eadp<\/strong>: NFC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t truy c\u1eadp an to\u00e0n, cho ph\u00e9p nh\u00e2n vi\u00ean v\u00e0o c\u01a1 s\u1edf b\u1eb1ng c\u00e1ch ch\u1ea1m v\u00e0o th\u1ebb ID h\u1ed7 tr\u1ee3 NFC c\u1ee7a h\u1ecd.<\/p>\n<\/li>\n

      3. \n

        V\u1eadn t\u1ea3i<\/strong>: Nhi\u1ec1u th\u00e0nh ph\u1ed1 s\u1eed d\u1ee5ng th\u1ebb NFC ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh cho h\u1ec7 th\u1ed1ng b\u00e1n v\u00e9 kh\u00f4ng ti\u1ebfp x\u00fac tr\u00ean c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng c\u00f4ng c\u1ed9ng.<\/p>\n<\/li>\n

      4. \n

        Chia s\u1ebb file<\/strong>: NFC t\u1ea1o \u0111i\u1ec1u ki\u1ec7n chia s\u1ebb t\u1ec7p nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb t\u01b0\u01a1ng th\u00edch, l\u00fd t\u01b0\u1edfng \u0111\u1ec3 chia s\u1ebb \u1ea3nh, nh\u1ea1c ho\u1eb7c danh b\u1ea1.<\/p>\n<\/li>\n

      5. \n

        Ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe<\/strong>: NFC c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n vi\u1ec7c ch\u0103m s\u00f3c b\u1ec7nh nh\u00e2n b\u1eb1ng c\u00e1ch cho ph\u00e9p truy c\u1eadp an to\u00e0n v\u00e0o h\u1ed3 s\u01a1 y t\u1ebf v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n li\u00ean l\u1ea1c gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf.<\/p>\n<\/li>\n

      6. \n

        Qu\u1ea3ng c\u00e1o<\/strong>: Th\u1ebb NFC \u0111\u01b0\u1ee3c nh\u00fang trong \u00e1p ph\u00edch ho\u1eb7c s\u1ea3n ph\u1ea9m cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp th\u00f4ng tin b\u1ed5 sung ho\u1eb7c n\u1ed9i dung qu\u1ea3ng c\u00e1o.<\/p>\n<\/li>\n<\/ol>\n

        B\u1ea5t ch\u1ea5p nh\u1eefng l\u1ee3i \u00edch c\u1ee7a n\u00f3, NFC v\u1eabn ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c:<\/p>\n

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          Ph\u1ea1m vi b\u1ecb gi\u1edbi h\u1ea1n<\/strong>: B\u1ea3n ch\u1ea5t t\u1ea7m ng\u1eafn c\u1ee7a NFC h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 trong c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ea7n kho\u1ea3ng c\u00e1ch li\u00ean l\u1ea1c xa h\u01a1n.<\/p>\n<\/li>\n

        2. \n

          M\u1ed1i quan t\u00e2m v\u1ec1 b\u1ea3o m\u1eadt<\/strong>: Khi NFC tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn, c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 ph\u00e1t sinh, \u0111\u00f2i h\u1ecfi ph\u1ea3i n\u1ed7 l\u1ef1c li\u00ean t\u1ee5c \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng c\u00e1c giao th\u1ee9c m\u00e3 h\u00f3a v\u00e0 x\u00e1c th\u1ef1c.<\/p>\n<\/li>\n

        3. \n

          Ti\u00eau chu\u1ea9n h\u00f3a<\/strong>: Vi\u1ec7c \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch to\u00e0n c\u1ea7u \u0111\u00f2i h\u1ecfi ph\u1ea3i ti\u1ebfp t\u1ee5c n\u1ed7 l\u1ef1c chu\u1ea9n h\u00f3a c\u00f4ng ngh\u1ec7 NFC.<\/p>\n<\/li>\n<\/ol>\n

          Gi\u1ea3i ph\u00e1p cho nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng v\u00e0 t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a c\u00f4ng ngh\u1ec7 NFC.<\/p>\n

          C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n\n\n\n\n\n\n\n\n\n
          NFC so v\u1edbi Bluetooth<\/th>\nNFC so v\u1edbi RFID<\/th>\n<\/tr>\n<\/thead>\n
          T\u1ea7m ng\u1eafn (v\u00e0i cm)<\/td>\nPh\u1ea1m vi d\u00e0i h\u01a1n (l\u00ean \u0111\u1ebfn 100 m\u00e9t)<\/td>\n<\/tr>\n
          T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u th\u1ea5p h\u01a1n<\/td>\nTruy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n<\/td>\n<\/tr>\n
          Kh\u00f4ng gh\u00e9p n\u1ed1i th\u1ee7 c\u00f4ng<\/td>\nY\u00eau c\u1ea7u gh\u00e9p n\u1ed1i th\u1ee7 c\u00f4ng<\/td>\n<\/tr>\n
          \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u nh\u1ecf<\/td>\n\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn h\u01a1n<\/td>\n<\/tr>\n
          S\u1ef1 ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng<\/td>\nTi\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng v\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC)<\/h2>\n

          Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, NFC \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng h\u01a1n n\u1eefa trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a ch\u00fang ta. M\u1ed9t s\u1ed1 ph\u00e1t tri\u1ec3n ti\u1ec1m n\u0103ng trong t\u01b0\u01a1ng lai bao g\u1ed3m:<\/p>\n

            \n
          1. \n

            B\u1ea3o m\u1eadt n\u00e2ng cao<\/strong>: Nh\u1eefng ti\u1ebfn b\u1ed9 trong m\u00e3 h\u00f3a v\u00e0 x\u00e1c th\u1ef1c s\u1ebd c\u1ee7ng c\u1ed1 NFC tr\u01b0\u1edbc c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt ti\u1ec1m \u1ea9n.<\/p>\n<\/li>\n

          2. \n

            M\u1edf r\u1ed9ng ph\u1ea1m vi<\/strong>: C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang t\u00ecm c\u00e1ch t\u0103ng ph\u1ea1m vi li\u00ean l\u1ea1c c\u1ee7a NFC, m\u1edf r\u1ed9ng c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 h\u01a1n n\u1eefa.<\/p>\n<\/li>\n

          3. \n

            T\u00edch h\u1ee3p Internet v\u1ea1n v\u1eadt (IoT)<\/strong>: NFC c\u00f3 th\u1ec3 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi c\u00e1c thi\u1ebft b\u1ecb IoT, mang l\u1ea1i nhi\u1ec1u tr\u1ea3i nghi\u1ec7m \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u01a1n.<\/p>\n<\/li>\n

          4. \n

            Thi\u1ebft b\u1ecb \u0111eo NFC<\/strong>: C\u00f4ng ngh\u1ec7 NFC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u00e1c thi\u1ebft b\u1ecb \u0111eo \u0111\u01b0\u1ee3c, m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi cho t\u01b0\u01a1ng t\u00e1c r\u1ea3nh tay.<\/p>\n<\/li>\n<\/ol>\n

            C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC)<\/h2>\n

            M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 n\u00e2ng cao t\u00ednh b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a c\u00e1c giao d\u1ecbch NFC b\u1eb1ng c\u00e1ch \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa ng\u01b0\u1eddi kh\u1edfi t\u1ea1o v\u00e0 m\u1ee5c ti\u00eau. B\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn d\u1eef li\u1ec7u NFC th\u00f4ng qua m\u00e1y ch\u1ee7 proxy, th\u00f4ng tin nh\u1ea1y c\u1ea3m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n. Ngo\u00e0i ra, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t b\u1ecf qua gi\u1edbi h\u1ea1n \u0111\u1ecba l\u00fd, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 NFC ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch tr\u00ean c\u00e1c v\u00f9ng v\u00e0 m\u1ea1ng kh\u00e1c nhau.<\/p>\n

            Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n

            \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC), b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

              \n
            1. Di\u1ec5n \u0111\u00e0n NFC<\/a><\/li>\n
            2. H\u01b0\u1edbng d\u1eabn NFC GSMA<\/a><\/li>\n
            3. IEEE Xplore \u2013 NFC<\/a><\/li>\n<\/ol>\n

              T\u00f3m l\u1ea1i, Giao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC) \u0111\u00e3 thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00f4ng ngh\u1ec7, cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 an to\u00e0n \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u v\u00e0 thanh to\u00e1n kh\u00f4ng ti\u1ebfp x\u00fac. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng v\u00e0 s\u1ef1 t\u00edch h\u1ee3p ng\u00e0y c\u00e0ng t\u0103ng v\u1edbi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, NFC s\u1eb5n s\u00e0ng \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u00e0 s\u1ef1 ti\u1ec7n l\u1ee3i. Trong t\u01b0\u01a1ng lai, s\u1ef1 c\u1ed9ng t\u00e1c gi\u1eefa NFC v\u00e0 m\u00e1y ch\u1ee7 proxy c\u00f3 ti\u1ec1m n\u0103ng t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 m\u1edf r\u1ed9ng h\u01a1n n\u1eefa kh\u1ea3 n\u0103ng c\u1ee7a NFC.<\/p>","protected":false},"featured_media":468989,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478105","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Near-Field Communication (NFC): A Revolution in Short-Range Communication<\/mark>","faq_items":[{"question":"What is Near-Field Communication (NFC)?","answer":"

              Near-Field Communication (NFC) is a groundbreaking technology that enables short-range wireless communication between devices. It allows for quick and convenient data exchange, making it an essential part of modern mobile devices and contactless payment systems. NFC operates on the principle of electromagnetic induction, and its ability to provide seamless connectivity has opened up a wide array of applications across various industries.<\/p>"},{"question":"How did Near-Field Communication (NFC) originate?","answer":"

              The concept of NFC can be traced back to the early 1980s when researchers at the Radio Corporation of America (RCA) explored the possibilities of using magnetic induction for secure data transfer. However, it wasn't until 2002 that the term \"Near-Field Communication\" was coined, thanks to a collaboration between Sony and Philips. The first commercial use of NFC technology emerged in 2004 when Nokia introduced NFC-enabled phones.<\/p>"},{"question":"How does Near-Field Communication (NFC) work?","answer":"

              NFC relies on electromagnetic induction to establish a communication link. The active device (initiator) generates an alternating current in its NFC antenna, creating an electromagnetic field. When a passive device (target) comes within the range of this field, it induces a current in its own NFC antenna, allowing data exchange to take place. The data transmission occurs at a rate of up to 424 kbps, making it suitable for various applications.<\/p>"},{"question":"What are the key features of Near-Field Communication (NFC)?","answer":"

              NFC technology offers several key features that contribute to its widespread adoption:<\/p>

              • Ease of Use<\/strong>: NFC requires no manual pairing or complex setup; devices can communicate simply by bringing them close together.<\/li>
              • Security<\/strong>: NFC employs encryption and authentication protocols, making it a secure method for data transfer.<\/li>
              • Compatibility<\/strong>: NFC is backward-compatible with RFID, allowing for integration with existing systems.<\/li>
              • Energy-Efficient<\/strong>: Since NFC operates within close proximity, it consumes minimal power compared to other wireless technologies.<\/li>
              • Versatility<\/strong>: NFC can be used for a wide range of applications, including contactless payments, data sharing, access control, and more.<\/li><\/ul>"},{"question":"What are the types of Near-Field Communication (NFC)?","answer":"

                NFC operates in three main modes, each serving different purposes:<\/p>

                • Reader\/Writer Mode<\/strong>: Device reads data from passive NFC tags or labels.<\/li>
                • Card Emulation Mode<\/strong>: Devices emulate contactless smart cards for transactions.<\/li>
                • Peer-to-Peer Mode<\/strong>: Two NFC devices communicate with each other for data exchange.<\/li><\/ul>"},{"question":"How is Near-Field Communication (NFC) used in real-world scenarios?","answer":"

                  NFC finds numerous applications in various industries:<\/p>

                  • Mobile Payments<\/strong>: NFC-enabled smartphones allow users to make contactless payments at retail stores and public transport terminals, enhancing payment convenience.<\/li>
                  • Access Control<\/strong>: NFC is used for secure access control systems, allowing employees to enter premises by tapping their NFC-enabled ID cards.<\/li>
                  • Transportation<\/strong>: Many cities use NFC cards or smartphones for contactless ticketing systems in public transportation.<\/li>
                  • File Sharing<\/strong>: NFC facilitates quick and effortless file sharing between compatible devices, ideal for sharing photos, music, or contacts.<\/li>
                  • Healthcare<\/strong>: NFC can improve patient care by enabling secure access to medical records and facilitating communication between medical devices.<\/li>
                  • Advertising<\/strong>: NFC tags embedded in posters or products allow users to access additional information or promotional content.<\/li><\/ul>"},{"question":"What are some challenges associated with Near-Field Communication (NFC)?","answer":"

                    While NFC offers numerous benefits, it also faces some challenges:<\/p>

                    • Limited Range<\/strong>: NFC's short-range nature limits its use in scenarios requiring longer distances for communication.<\/li>
                    • Security Concerns<\/strong>: As NFC gains popularity, security vulnerabilities may arise, necessitating continuous efforts to strengthen encryption and authentication protocols.<\/li>
                    • Standardization<\/strong>: Ensuring global compatibility requires continued efforts to standardize NFC technology.<\/li><\/ul>"},{"question":"What can we expect in the future of Near-Field Communication (NFC)?","answer":"

                      As technology continues to evolve, NFC is expected to play an even more significant role in our daily lives. Some potential future developments include:<\/p>

                      • Enhanced Security<\/strong>: Advancements in encryption and authentication will fortify NFC against potential security threats.<\/li>
                      • Extended Range<\/strong>: Researchers are exploring ways to increase NFC's communication range, expanding its applications further.<\/li>
                      • Internet of Things (IoT) Integration<\/strong>: NFC can seamlessly integrate with IoT devices, enabling more interconnected and automated experiences.<\/li>
                      • NFC Wearables<\/strong>: NFC technology could be integrated into wearable devices, opening up new possibilities for hands-free interactions.<\/li><\/ul>"},{"question":"How can proxy servers be associated with Near-Field Communication (NFC)?","answer":"

                        Proxy servers can enhance the security and privacy of NFC transactions by acting as intermediaries between the initiator and the target. By routing NFC data through a proxy server, sensitive information can be encrypted and protected from potential threats. Additionally, proxy servers can enable geo-restriction bypass, allowing NFC-enabled devices to function seamlessly across different regions and networks.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478105","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478105\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/468989"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}