{"id":479715,"date":"2023-08-09T10:43:48","date_gmt":"2023-08-09T10:43:48","guid":{"rendered":""},"modified":"2023-09-05T11:19:25","modified_gmt":"2023-09-05T11:19:25","slug":"wpan","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/wpan\/","title":{"rendered":"WPAN"},"content":{"rendered":"<p>M\u1ea1ng khu v\u1ef1c c\u00e1 nh\u00e2n kh\u00f4ng d\u00e2y (WPAN) l\u00e0 m\u1ea1ng kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u1ee7 s\u00f3ng m\u1ed9t khu v\u1ef1c nh\u1ecf, th\u01b0\u1eddng l\u00e0 trong t\u1ea7m tay c\u1ee7a m\u1ed9t ng\u01b0\u1eddi. Ch\u00fang cung c\u1ea5p ph\u01b0\u01a1ng ti\u1ec7n li\u00ean l\u1ea1c v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00e1 nh\u00e2n ho\u1eb7c ti\u00eau d\u00f9ng kh\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i v\u1eadt l\u00fd.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a WPAN v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m WPAN c\u00f3 t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 1990, khi Hi\u1ec7p h\u1ed9i D\u1eef li\u1ec7u H\u1ed3ng ngo\u1ea1i (IrDA) b\u1eaft \u0111\u1ea7u nghi\u00ean c\u1ee9u m\u1ed9t ti\u00eau chu\u1ea9n truy\u1ec1n d\u1eef li\u1ec7u qua kho\u1ea3ng c\u00e1ch ng\u1eafn b\u1eb1ng c\u00f4ng ngh\u1ec7 h\u1ed3ng ngo\u1ea1i (IR). \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 Bluetooth v\u00e0o n\u0103m 1994 c\u1ee7a Ericsson, sau \u0111\u00f3 l\u00e0 vi\u1ec7c th\u00e0nh l\u1eadp Nh\u00f3m l\u1ee3i \u00edch \u0111\u1eb7c bi\u1ec7t Bluetooth (SIG) v\u00e0o n\u0103m 1998.<\/p>\n<p>IEEE c\u0169ng b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n c\u00e1c ti\u00eau chu\u1ea9n cho WPAN, \u0111\u1ec9nh cao l\u00e0 vi\u1ec7c t\u1ea1o ra h\u1ecd ti\u00eau chu\u1ea9n IEEE 802.15. Nh\u1eefng n\u1ed7 l\u1ef1c n\u00e0y \u0111\u00e3 \u0111\u1ecbnh h\u00ecnh b\u1ed1i c\u1ea3nh hi\u1ec7n \u0111\u1ea1i c\u1ee7a c\u00f4ng ngh\u1ec7 WPAN v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau c\u1ee7a ch\u00fang.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 WPAN: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>C\u00f4ng ngh\u1ec7 WPAN cung c\u1ea5p c\u00e1ch th\u1ee9c \u0111\u1ec3 c\u00e1c thi\u1ebft b\u1ecb giao ti\u1ebfp trong ph\u1ea1m vi ng\u1eafn, th\u01b0\u1eddng trong b\u00e1n k\u00ednh 10 m\u00e9t tr\u1edf xu\u1ed1ng. C\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c nhau trong danh m\u1ee5c WPAN cung c\u1ea5p t\u1ed1c \u0111\u1ed9, ph\u1ea1m vi v\u00e0 kh\u1ea3 n\u0103ng d\u1eef li\u1ec7u kh\u00e1c nhau. C\u00e1c c\u00f4ng ngh\u1ec7 ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Bluetooth:<\/strong> \u0110\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, tai nghe v\u00e0 m\u00e1y t\u00ednh.<\/li>\n<li><strong>Zigbee:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a gia \u0111\u00ecnh.<\/li>\n<li><strong>Wi-Fi Direct:<\/strong> Cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n hub m\u1ea1ng trung t\u00e2m.<\/li>\n<\/ul>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a WPAN: WPAN ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>WPAN ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y c\u00f4ng su\u1ea5t th\u1ea5p \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c thi\u1ebft b\u1ecb trong ph\u1ea1m vi gi\u1edbi h\u1ea1n. C\u1ea5u tr\u00fac th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Thi\u1ebft b\u1ecb ch\u00ednh:<\/strong> M\u1ed9t thi\u1ebft b\u1ecb trung t\u00e2m qu\u1ea3n l\u00fd m\u1ea1ng v\u00e0 truy\u1ec1n th\u00f4ng.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb n\u00f4 l\u1ec7:<\/strong> C\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi giao ti\u1ebfp v\u1edbi ch\u1ee7.<\/li>\n<li><strong>Giao th\u1ee9c truy\u1ec1n th\u00f4ng:<\/strong> X\u00e1c \u0111\u1ecbnh c\u00e1c quy t\u1eafc truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb.<\/li>\n<\/ul>\n<p>C\u00e1c thi\u1ebft b\u1ecb trong WPAN c\u00f3 th\u1ec3 giao ti\u1ebfp b\u1eb1ng c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 h\u1ed3ng ngo\u1ea1i, Bluetooth ho\u1eb7c c\u00e1c t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn kh\u00e1c. Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a WPAN<\/h2>\n<ul>\n<li><strong>C\u1ef1 li ng\u1eafn:<\/strong> Th\u00f4ng th\u01b0\u1eddng gi\u1edbi h\u1ea1n trong ph\u1ea1m vi 10 m\u00e9t ho\u1eb7c \u00edt h\u01a1n.<\/li>\n<li><strong>S\u1ef1 ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng:<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng pin.<\/li>\n<li><strong>D\u1ec5 d\u00e0ng k\u1ebft n\u1ed1i:<\/strong> \u0110\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n.<\/li>\n<li><strong>Uy\u1ec3n chuy\u1ec3n:<\/strong> C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, t\u1eeb s\u1eed d\u1ee5ng c\u00e1 nh\u00e2n \u0111\u1ebfn c\u00e0i \u0111\u1eb7t c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i WPAN: B\u1ea3ng v\u00e0 Danh s\u00e1ch<\/h2>\n<table>\n<thead>\n<tr>\n<th>C\u00f4ng ngh\u1ec7<\/th>\n<th>Ph\u1ea1m vi<\/th>\n<th>T\u1ed1c \u0111\u1ed9<\/th>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Bluetooth<\/td>\n<td>10m<\/td>\n<td>1-3 Mb\/gi\u00e2y<\/td>\n<td>M\u1ee5c \u0111\u00edch chung<\/td>\n<\/tr>\n<tr>\n<td>Zigbee<\/td>\n<td>10-100m<\/td>\n<td>250 Kb\/gi\u00e2y<\/td>\n<td>T\u1ef1 \u0111\u1ed9ng h\u00f3a gia \u0111\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>Wi-Fi Direct<\/td>\n<td>\u0111a d\u1ea1ng<\/td>\n<td>L\u00ean t\u1edbi 250 Mb\/gi\u00e2y<\/td>\n<td>Ngang h\u00e0ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng WPAN, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<h3>C\u00e1ch s\u1eed d\u1ee5ng:<\/h3>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng c\u00e1 nh\u00e2n:<\/strong> K\u1ebft n\u1ed1i c\u00e1c ti\u1ec7n \u00edch c\u00e1 nh\u00e2n.<\/li>\n<li><strong>Ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe:<\/strong> Theo d\u00f5i s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea quan tr\u1ecdng c\u1ee7a b\u1ec7nh nh\u00e2n.<\/li>\n<li><strong>C\u00f4ng nghi\u1ec7p:<\/strong> H\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<\/ul>\n<h3>C\u00e1c v\u1ea5n \u0111\u1ec1:<\/h3>\n<ul>\n<li><strong>S\u1ef1 can thi\u1ec7p:<\/strong> C\u00e1c thi\u1ebft b\u1ecb v\u00e0 c\u00f4ng ngh\u1ec7 kh\u00e1c c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u.<\/li>\n<li><strong>B\u1ea3o v\u1ec7:<\/strong> C\u00e1c l\u1ed7 h\u1ed5ng ti\u1ec1m \u1ea9n trong vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<h3>C\u00e1c gi\u1ea3i ph\u00e1p:<\/h3>\n<ul>\n<li><strong>K\u1ebf ho\u1ea1ch ph\u00f9 h\u1ee3p:<\/strong> Gi\u1ea3m thi\u1ec3u nhi\u1ec5u b\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p.<\/li>\n<li><strong>M\u00e3 h\u00f3a:<\/strong> B\u1ea3o m\u1eadt d\u1eef li\u1ec7u b\u1eb1ng m\u00e3 h\u00f3a v\u00e0 x\u00e1c th\u1ef1c th\u00edch h\u1ee3p.<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<h3>WPAN so v\u1edbi WLAN so v\u1edbi WWAN:<\/h3>\n<ul>\n<li><strong>WPAN:<\/strong> Thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n, t\u1ea7m ng\u1eafn.<\/li>\n<li><strong>WLAN (M\u1ea1ng c\u1ee5c b\u1ed9 kh\u00f4ng d\u00e2y):<\/strong> Ph\u1ea1m vi trung b\u00ecnh, bao g\u1ed3m m\u1ed9t ng\u00f4i nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng.<\/li>\n<li><strong>WWAN (M\u1ea1ng di\u1ec7n r\u1ed9ng kh\u00f4ng d\u00e2y):<\/strong> T\u1ea7m xa, bao ph\u1ee7 c\u00e1c khu v\u1ef1c \u0111\u1ecba l\u00fd l\u1edbn h\u01a1n.<\/li>\n<\/ul>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn WPAN<\/h2>\n<p>C\u00f4ng ngh\u1ec7 WPAN ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n v\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 v\u1ec1 t\u1ed1c \u0111\u1ed9, ph\u1ea1m vi v\u00e0 ch\u1ee9c n\u0103ng. Tri\u1ec3n v\u1ecdng trong t\u01b0\u01a1ng lai bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>C\u1ea3i thi\u1ec7n t\u00ednh b\u1ea3o m\u1eadt:<\/strong> M\u00e3 h\u00f3a v\u00e0 x\u00e1c th\u1ef1c n\u00e2ng cao.<\/li>\n<li><strong>T\u00edch h\u1ee3p v\u1edbi IoT:<\/strong> T\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi Internet of Things.<\/li>\n<li><strong>Hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng:<\/strong> Giao th\u1ee9c m\u1edbi gi\u00fap ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n n\u1eefa.<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi WPAN<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy, gi\u1ed1ng nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p, c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong WPAN b\u1eb1ng c\u00e1ch \u0111\u00f3ng vai tr\u00f2 trung gian trong giao ti\u1ebfp d\u1eef li\u1ec7u. H\u1ecd c\u00f3 th\u1ec3:<\/p>\n<ul>\n<li><strong>T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt:<\/strong> B\u1eb1ng c\u00e1ch l\u1ecdc v\u00e0 theo d\u00f5i d\u1eef li\u1ec7u.<\/li>\n<li><strong>T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t:<\/strong> Th\u00f4ng qua b\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng.<\/li>\n<li><strong>T\u1ea1o \u0111i\u1ec1u ki\u1ec7n k\u1ebft n\u1ed1i:<\/strong> K\u00edch ho\u1ea1t k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c c\u00f4ng ngh\u1ec7 WPAN kh\u00e1c nhau ho\u1eb7c k\u1ebft n\u1ed1i WPAN v\u1edbi c\u00e1c m\u1ea1ng l\u1edbn h\u01a1n.<\/li>\n<\/ul>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.bluetooth.com\" target=\"_new\" rel=\"noopener nofollow\">Bluetooth SIG<\/a><\/li>\n<li><a href=\"https:\/\/zigbeealliance.org\" target=\"_new\" rel=\"noopener nofollow\">Li\u00ean minh Zigbee<\/a><\/li>\n<li><a href=\"https:\/\/standards.ieee.org\/standard\/802_15-1-2005.html\" target=\"_new\" rel=\"noopener nofollow\">Ti\u00eau chu\u1ea9n IEEE 802.15<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">D\u1ecbch v\u1ee5 OneProxy<\/a><\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch t\u00edch h\u1ee3p c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c nhau v\u00e0 xem x\u00e9t t\u00ednh b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u qu\u1ea3, WPAN \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh linh ho\u1ea1t v\u00e0 thi\u1ebft y\u1ebfu c\u1ee7a k\u1ebft n\u1ed1i hi\u1ec7n \u0111\u1ea1i. V\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 trong t\u01b0\u01a1ng lai, n\u00f3 s\u1eb5n s\u00e0ng tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu h\u01a1n n\u1eefa \u0111\u1ed1i v\u1edbi cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y v\u00e0 h\u1ec7 sinh th\u00e1i c\u00f4ng ngh\u1ec7 c\u1ee7a ch\u00fang ta.<\/p>","protected":false},"featured_media":470968,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479715","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Wireless Personal Area Network (WPAN)<\/mark>","faq_items":null},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479715","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\/479715\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/470968"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}