{"id":478330,"date":"2023-08-09T09:31:12","date_gmt":"2023-08-09T09:31:12","guid":{"rendered":""},"modified":"2023-09-05T11:16:31","modified_gmt":"2023-09-05T11:16:31","slug":"pan","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/pan\/","title":{"rendered":"CH\u1ea2O"},"content":{"rendered":"<p>M\u1ea1ng khu v\u1ef1c c\u00e1 nh\u00e2n (PAN) l\u00e0 m\u1ea1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i v\u00e0 li\u00ean l\u1ea1c gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb trong ph\u1ea1m vi l\u00e2n c\u1eadn c\u1ee7a m\u1ed9t c\u00e1 nh\u00e2n. N\u00f3 cho ph\u00e9p k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh x\u00e1ch tay, m\u00e1y t\u00ednh b\u1ea3ng, \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi kh\u00e1c, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n trao \u0111\u1ed5i v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch. PAN l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a h\u1ec7 sinh th\u00e1i k\u1ef9 thu\u1eadt s\u1ed1 hi\u1ec7n \u0111\u1ea1i, cung c\u1ea5p cho ng\u01b0\u1eddi d\u00f9ng s\u1ef1 ti\u1ec7n l\u1ee3i c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u00e0 cho ph\u00e9p hi\u1ec7n th\u1ef1c h\u00f3a kh\u00e1i ni\u1ec7m Internet of Things (IoT).<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a PAN v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m PAN b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng n\u0103m 1990, khi nhu c\u1ea7u k\u1ebft n\u1ed1i v\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00e1 nh\u00e2n tr\u1edf n\u00ean r\u00f5 r\u00e0ng. Tuy nhi\u00ean, thu\u1eadt ng\u1eef \u201cM\u1ea1ng khu v\u1ef1c c\u00e1 nh\u00e2n\u201d l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 2000, khi c\u00f4ng ngh\u1ec7 b\u1eaft \u0111\u1ea7u c\u00f3 \u0111\u00e0 ph\u00e1t tri\u1ec3n. Ban \u0111\u1ea7u, PAN \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea1o ra m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 cho c\u00e1c c\u00e1 nh\u00e2n t\u01b0\u01a1ng t\u00e1c v\u1edbi thi\u1ebft b\u1ecb c\u1ee7a ri\u00eang h\u1ecd v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u trong kh\u00f4ng gian l\u00e0m vi\u1ec7c c\u00e1 nh\u00e2n c\u1ee7a h\u1ecd.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 PAN. M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 PAN<\/h2>\n<p>PAN ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00f4ng ngh\u1ec7 giao ti\u1ebfp t\u1ea7m ng\u1eafn, th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y nh\u01b0 Bluetooth ho\u1eb7c Wi-Fi, gi\u00fap c\u00e1c thi\u1ebft b\u1ecb d\u1ec5 d\u00e0ng t\u01b0\u01a1ng t\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u00e1p v\u1eadt l\u00fd c\u1ed3ng k\u1ec1nh. C\u00f4ng ngh\u1ec7 PAN th\u00fac \u0111\u1ea9y vi\u1ec7c chia s\u1ebb d\u1eef li\u1ec7u, truy\u1ec1n t\u1ec7p v\u00e0 ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb li\u1ec1n m\u1ea1ch, n\u00e2ng cao tr\u1ea3i nghi\u1ec7m v\u00e0 n\u0103ng su\u1ea5t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Ph\u1ea1m vi c\u1ee7a PAN th\u01b0\u1eddng \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n \u1edf v\u00e0i m\u00e9t, \u0111\u1ea3m b\u1ea3o r\u1eb1ng k\u1ebft n\u1ed1i v\u1eabn \u1edf ch\u1ebf \u0111\u1ed9 ri\u00eang t\u01b0 v\u00e0 gi\u1edbi h\u1ea1n trong v\u00f9ng l\u00e2n c\u1eadn c\u1ee7a c\u00e1 nh\u00e2n.<\/p>\n<p>M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a PAN l\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c li\u00ean l\u1ea1c v\u00e0 c\u1ed9ng t\u00e1c gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u, qu\u1ea3n l\u00fd th\u00f4ng b\u00e1o v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. V\u00ed d\u1ee5: PAN c\u00f3 th\u1ec3 cho ph\u00e9p \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi v\u1edbi tai nghe kh\u00f4ng d\u00e2y, \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh v\u00e0 loa kh\u00f4ng d\u00e2y, t\u1ea1o ra tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u00edch h\u1ee3p v\u00e0 c\u00e1 nh\u00e2n h\u00f3a.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a PAN. C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a PAN<\/h2>\n<p>C\u1ea5u tr\u00fac c\u1ee7a PAN t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n, bao g\u1ed3m m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n \u0111\u01b0\u1ee3c trang b\u1ecb kh\u1ea3 n\u0103ng li\u00ean l\u1ea1c kh\u00f4ng d\u00e2y. C\u00e1c thi\u1ebft b\u1ecb trong PAN giao ti\u1ebfp th\u00f4ng qua b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m ho\u1eb7c thi\u1ebft b\u1ecb ch\u1ee7, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 thi\u1ebft b\u1ecb \u201cch\u00ednh\u201d. Thi\u1ebft b\u1ecb ch\u00ednh n\u00e0y qu\u1ea3n l\u00fd v\u00e0 \u0111i\u1ec1u ph\u1ed1i lu\u1ed3ng d\u1eef li\u1ec7u gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c trong PAN.<\/p>\n<p>Giao ti\u1ebfp trong PAN th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng s\u00f3ng v\u00f4 tuy\u1ebfn, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i v\u1eadt l\u00fd. Bluetooth l\u00e0 c\u00f4ng ngh\u1ec7 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho PAN do m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p v\u00e0 h\u1ed7 tr\u1ee3 r\u1ed9ng r\u00e3i tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nhau. Wi-Fi c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t khi c\u1ea7n t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a PAN<\/h2>\n<p>M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh gi\u00fap ph\u00e2n bi\u1ec7t PAN v\u1edbi c\u00e1c lo\u1ea1i m\u1ea1ng kh\u00e1c:<\/p>\n<ol>\n<li>\n<p><strong>C\u1ef1 li ng\u1eafn<\/strong>: PAN \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 li\u00ean l\u1ea1c t\u1ea7m ng\u1eafn trong m\u1ed9t khu v\u1ef1c gi\u1edbi h\u1ea1n, th\u01b0\u1eddng trong ph\u1ea1m vi v\u00e0i m\u00e9t.<\/p>\n<\/li>\n<li>\n<p><strong>Thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n<\/strong>: PAN t\u1eadp trung v\u00e0o vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh x\u00e1ch tay, thi\u1ebft b\u1ecb \u0111eo \u0111\u01b0\u1ee3c v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi kh\u00e1c.<\/p>\n<\/li>\n<li>\n<p><strong>Truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y<\/strong>: PAN ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 giao ti\u1ebfp kh\u00f4ng d\u00e2y nh\u01b0 Bluetooth v\u00e0 Wi-Fi \u0111\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb.<\/p>\n<\/li>\n<li>\n<p><strong>S\u1ef1 ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng<\/strong>: C\u00e1c thi\u1ebft b\u1ecb PAN th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c n\u0103ng l\u01b0\u1ee3ng th\u1ea5p nh\u1eb1m ti\u1ebft ki\u1ec7m pin, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 ch\u1ea1y b\u1eb1ng pin.<\/p>\n<\/li>\n<li>\n<p><strong>K\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a<\/strong>: PAN cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u00f9y ch\u1ec9nh k\u1ebft n\u1ed1i m\u1ea1ng theo s\u1edf th\u00edch c\u1ee7a h\u1ecd, t\u1ea1o ra tr\u1ea3i nghi\u1ec7m k\u1ef9 thu\u1eadt s\u1ed1 li\u1ec1n m\u1ea1ch v\u00e0 \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i PAN<\/h2>\n<p>PAN c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 m\u00e0 ch\u00fang s\u1eed d\u1ee5ng. Hai lo\u1ea1i PAN ch\u00ednh l\u00e0:<\/p>\n<h3>1. Bluetooth PAN (Piconet)<\/h3>\n<p>Bluetooth PAN, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Piconets, s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 Bluetooth \u0111\u1ec3 li\u00ean l\u1ea1c trong ph\u1ea1m vi ng\u1eafn gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb. Trong Piconet, m\u1ed9t thi\u1ebft b\u1ecb \u0111\u00f3ng vai tr\u00f2 l\u00e0 thi\u1ebft b\u1ecb ch\u1ee7 v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c \u0111\u00f3ng vai tr\u00f2 l\u00e0 thi\u1ebft b\u1ecb ph\u1ee5. Thi\u1ebft b\u1ecb ch\u00ednh \u0111i\u1ec1u ph\u1ed1i vi\u1ec7c trao \u0111\u1ed5i d\u1eef li\u1ec7u gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. Bluetooth PAN c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a b\u1ea3y thi\u1ebft b\u1ecb ph\u1ee5 \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<h3>2. Wi-Fi tr\u1ef1c ti\u1ebfp<\/h3>\n<p>Wi-Fi Direct l\u00e0 chu\u1ea9n Wi-Fi cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi nhau m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec3m truy c\u1eadp Wi-Fi truy\u1ec1n th\u1ed1ng. N\u00f3 cho ph\u00e9p giao ti\u1ebfp ngang h\u00e0ng trong PAN, l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng y\u00eau c\u1ea7u k\u1ebft n\u1ed1i \u0111\u1eb7c bi\u1ec7t.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng PAN, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<h3>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng PAN<\/h3>\n<p>PAN cung c\u1ea5p nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>K\u1ebft n\u1ed1i ngo\u1ea1i vi<\/strong>: PAN cho ph\u00e9p k\u1ebft n\u1ed1i li\u1ec1n m\u1ea1ch gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb v\u00e0 thi\u1ebft b\u1ecb ngo\u1ea1i vi c\u1ee7a ch\u00fang, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u00e0n ph\u00edm, chu\u1ed9t v\u00e0 m\u00e1y in kh\u00f4ng d\u00e2y.<\/p>\n<\/li>\n<li>\n<p><strong>Chuy\u1ec3n t\u1eadp tin<\/strong>: Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nhanh ch\u00f3ng chuy\u1ec3n t\u1eadp tin gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb trong PAN m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i v\u1eadt l\u00fd.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ed3ng b\u1ed9 h\u00f3a thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n<\/strong>: PAN cho ph\u00e9p t\u1ef1 \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u v\u00e0 c\u00e0i \u0111\u1eb7t gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n, \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng nh\u1ea5t qu\u00e1n.<\/p>\n<\/li>\n<li>\n<p><strong>T\u01b0\u01a1ng t\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng<\/strong>: \u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111eo nh\u01b0 \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh v\u00e0 thi\u1ebft b\u1ecb theo d\u00f5i th\u1ec3 d\u1ee5c \u0111\u1ec3 hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u s\u1ee9c kh\u1ecfe.<\/p>\n<\/li>\n<\/ol>\n<h3>V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h3>\n<p>M\u1eb7c d\u00f9 c\u00f4ng ngh\u1ec7 PAN mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 nh\u01b0ng m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 n\u1ea3y sinh:<\/p>\n<ol>\n<li>\n<p><strong>S\u1ef1 can thi\u1ec7p<\/strong>: S\u1ef1 can thi\u1ec7p t\u1eeb c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng d\u00e2y kh\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00f9ng d\u1ea3i t\u1ea7n c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n k\u1ebft n\u1ed1i PAN. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 Bluetooth v\u00e0 Wi-Fi m\u1edbi nh\u1ea5t v\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec5u \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ed1i quan t\u00e2m v\u1ec1 b\u1ea3o m\u1eadt<\/strong>: Do PAN ho\u1ea1t \u0111\u1ed9ng \u1edf kho\u1ea3ng c\u00e1ch g\u1ea7n n\u00ean vi\u1ec7c truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng lo ng\u1ea1i. Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p x\u00e1c th\u1ef1c v\u00e0 m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a thi\u1ebft b\u1ecb<\/strong>: Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ec1u h\u1ed7 tr\u1ee3 c\u00e1c c\u00f4ng ngh\u1ec7 PAN gi\u1ed1ng nhau, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf k\u1ebft n\u1ed1i li\u1ec1n m\u1ea1ch. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t n\u00ean tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb.<\/p>\n<\/li>\n<\/ol>\n<h2>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<table>\n<thead>\n<tr>\n<th>\u0111\u1eb7c tr\u01b0ng<\/th>\n<th>CH\u1ea2O<\/th>\n<th>LAN (M\u1ea1ng c\u1ee5c b\u1ed9)<\/th>\n<th>WAN (M\u1ea1ng di\u1ec7n r\u1ed9ng)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>T\u1ea7m ng\u1eafn (v\u00e0i m\u00e9t)<\/td>\n<td>T\u1ea7m trung \u0111\u1ebfn t\u1ea7m xa<\/td>\n<td>Tr\u1ea3i d\u00e0i tr\u00ean c\u00e1c khu v\u1ef1c \u0111\u1ecba l\u00fd r\u1ed9ng l\u1edbn<\/td>\n<\/tr>\n<tr>\n<td>Thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i<\/td>\n<td>Thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n<\/td>\n<td>Thi\u1ebft b\u1ecb t\u1ea1i v\u0103n ph\u00f2ng ho\u1eb7c khu\u00f4n vi\u00ean tr\u01b0\u1eddng<\/td>\n<td>M\u1ea1ng LAN \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng<\/td>\n<td>Bluetooth, Wi-Fi tr\u1ef1c ti\u1ebfp<\/td>\n<td>Ethernet, Wi-Fi<\/td>\n<td>C\u00e1p quang, li\u00ean k\u1ebft v\u1ec7 tinh<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee5c \u0111\u00edch<\/td>\n<td>K\u1ebft n\u1ed1i c\u00e1 nh\u00e2n<\/td>\n<td>K\u1ebft n\u1ed1i t\u1ed5 ch\u1ee9c<\/td>\n<td>K\u1ebft n\u1ed1i m\u1ea1ng quy m\u00f4 l\u1edbn<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3o hi\u1ec3m \u0111\u1ecba l\u00fd<\/td>\n<td>Gi\u1edbi h\u1ea1n \u1edf v\u00f9ng l\u00e2n c\u1eadn<\/td>\n<td>Trong m\u1ed9t t\u00f2a nh\u00e0 ho\u1eb7c khu\u00f4n vi\u00ean tr\u01b0\u1eddng<\/td>\n<td>Bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ed1, qu\u1ed1c gia ho\u1eb7c l\u1ee5c \u0111\u1ecba<\/td>\n<\/tr>\n<tr>\n<td>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/td>\n<td>\u0110\u1ed3ng b\u1ed9 h\u00f3a thi\u1ebft b\u1ecb, truy\u1ec1n file<\/td>\n<td>Chia s\u1ebb t\u00e0i nguy\u00ean, truy c\u1eadp internet<\/td>\n<td>K\u1ebft n\u1ed1i m\u1ea1ng l\u01b0\u1edbi khu v\u1ef1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn PAN<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a PAN \u0111\u1ea7y h\u1ee9a h\u1eb9n v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng c\u1ee7a n\u00f3 h\u01a1n n\u1eefa. M\u1ed9t s\u1ed1 ph\u00e1t tri\u1ec3n ti\u1ec1m n\u0103ng bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>C\u00f4ng ngh\u1ec7 b\u0103ng th\u00f4ng si\u00eau r\u1ed9ng (UWB)<\/strong>: UWB cung c\u1ea5p t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao v\u00e0 \u0111\u1ecbnh v\u1ecb trong nh\u00e0 ch\u00ednh x\u00e1c, khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng PAN ti\u00ean ti\u1ebfn.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00edch h\u1ee3p 5G<\/strong>: M\u1ea1ng 5G c\u00f3 th\u1ec3 b\u1ed5 sung cho PAN b\u1eb1ng c\u00e1ch cung c\u1ea5p k\u1ebft n\u1ed1i n\u00e2ng cao v\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5, c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n<li>\n<p><strong>AI v\u00e0 T\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong>: Tr\u1ee3 l\u00fd th\u00f4ng minh \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng AI c\u00f3 th\u1ec3 h\u1ee3p l\u00fd h\u00f3a c\u00e1c t\u01b0\u01a1ng t\u00e1c PAN, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb giao ti\u1ebfp th\u00f4ng minh h\u01a1n v\u00e0 d\u1ef1 \u0111o\u00e1n nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi PAN<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 n\u00e2ng cao ch\u1ee9c n\u0103ng PAN b\u1eb1ng c\u00e1ch cung c\u1ea5p th\u00eam quy\u1ec1n ri\u00eang t\u01b0, b\u1ea3o m\u1eadt v\u00e0 ki\u1ec3m so\u00e1t truy c\u1eadp cho c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i trong m\u1ea1ng. Khi c\u00e1c thi\u1ebft b\u1ecb trong PAN k\u1ebft n\u1ed1i v\u1edbi Internet th\u00f4ng qua m\u00e1y ch\u1ee7 proxy, \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ch\u00fang s\u1ebd b\u1ecb che, b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp \u1ea9n danh v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda tr\u00ean m\u1ea1ng. M\u00e1y ch\u1ee7 proxy c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 v\u01b0\u1ee3t qua c\u00e1c gi\u1edbi h\u1ea1n \u0111\u1ecba l\u00fd, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb PAN truy c\u1eadp n\u1ed9i dung ho\u1eb7c d\u1ecbch v\u1ee5 b\u1ecb kh\u00f3a theo khu v\u1ef1c.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 PAN, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.bluetooth.com\/\" target=\"_new\" rel=\"noopener nofollow\">Trang web c\u00f4ng ngh\u1ec7 Bluetooth<\/a><\/li>\n<li><a href=\"https:\/\/www.wi-fi.org\/\" target=\"_new\" rel=\"noopener nofollow\">Trang web ch\u00ednh th\u1ee9c c\u1ee7a Li\u00ean minh Wi-Fi<\/a><\/li>\n<li><a href=\"https:\/\/www.qualcomm.com\/5g\/what-is-5g\" target=\"_new\" rel=\"noopener nofollow\">T\u1ed5ng quan v\u1ec1 c\u00f4ng ngh\u1ec7 5G<\/a><\/li>\n<li><a href=\"https:\/\/www.uwb.org\/\" target=\"_new\" rel=\"noopener nofollow\">C\u00f4ng ngh\u1ec7 b\u0103ng th\u00f4ng si\u00eau r\u1ed9ng (UWB)<\/a><\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch kh\u00e1m ph\u00e1 nh\u1eefng li\u00ean k\u1ebft n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 th\u1ebf gi\u1edbi M\u1ea1ng Khu v\u1ef1c C\u00e1 nh\u00e2n v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a ch\u00fang.<\/p>","protected":false},"featured_media":469105,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478330","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>PAN: Personal Area Network<\/mark>","faq_items":[{"question":"What is a Personal Area Network (PAN)?","answer":"<p>A Personal Area Network (PAN) is a network used to connect and communicate between devices within the immediate vicinity of an individual. It allows personal devices like smartphones, laptops, and smartwatches to interact and share data seamlessly.<\/p>"},{"question":"How did the concept of PAN originate?","answer":"<p>The concept of PAN originated in the 1990s, and the term \"Personal Area Network\" was first mentioned in the early 2000s. It was developed to facilitate secure and efficient communication between personal devices within an individual's workspace.<\/p>"},{"question":"How does a PAN work?","answer":"<p>A PAN operates on short-range communication technologies, such as Bluetooth or Wi-Fi. Devices within the PAN communicate wirelessly with each other, with one device acting as the master and others as slaves. The master device manages data flow and coordination within the PAN.<\/p>"},{"question":"What are the key features of PAN?","answer":"<p>The key features of PAN include short-range communication, connectivity of personal devices, wireless communication, low power consumption, and personalized connectivity for a seamless user experience.<\/p>"},{"question":"What are the types of PAN?","answer":"<p>There are two main types of PAN: Bluetooth PAN (Piconet) and Wi-Fi Direct. Bluetooth PANs use Bluetooth technology, while Wi-Fi Direct allows peer-to-peer communication without the need for a traditional access point.<\/p>"},{"question":"How can PAN be used?","answer":"<p>PANs are used for peripheral connectivity, file transfer, personal device synchronization, and mobile device interaction. They enable seamless connections and data sharing between personal devices.<\/p>"},{"question":"What are the potential problems related to PAN usage?","answer":"<p>Some problems related to PAN usage include interference from other wireless devices, security concerns, and device compatibility issues. Strong authentication and encryption measures can address security concerns.<\/p>"},{"question":"How does PAN compare to other network types like LAN and WAN?","answer":"<p>PAN differs from Local Area Networks (LAN) and Wide Area Networks (WAN) in terms of range, devices connected, communication technology, purpose, and geographic coverage. PANs are designed for short-range personal connectivity, while LANs cover a building or campus, and WANs span large geographic areas.<\/p>"},{"question":"What is the future outlook for PAN technology?","answer":"<p>The future of PAN looks promising with the potential integration of ultra-wideband (UWB) technology, 5G networks, and advancements in AI and automation. These developments could enhance PAN capabilities and user experiences.<\/p>"},{"question":"How can proxy servers be associated with PAN?","answer":"<p>Proxy servers can enhance PAN functionality by providing additional privacy, security, and access control for devices connected within the network. They mask IP addresses, offer protection against cyber threats, and can help bypass geo-restrictions for accessing region-locked content or services.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478330","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\/478330\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/469105"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}