{"id":5812,"date":"2017-08-16T16:48:37","date_gmt":"2017-08-16T09:48:37","guid":{"rendered":"http:\/\/snt.com.vn\/blog\/?p=5812"},"modified":"2017-08-16T16:56:21","modified_gmt":"2017-08-16T09:56:21","slug":"tong-quan-ve-cong-nghe-zigbee","status":"publish","type":"post","link":"https:\/\/snt.com.vn\/blog\/tong-quan-ve-cong-nghe-zigbee\/","title":{"rendered":"T\u1ed5ng quan v\u1ec1 c\u00f4ng ngh\u1ec7 ZIGBEE"},"content":{"rendered":"<p>\n\t<strong>ZigBee l&agrave; m\u1ed9t giao th\u1ee9c m\u1ea1ng kh&ocirc;ng d&acirc;y \u0111\u01b0\u1ee3c d&ugrave;ng \u0111\u1ec3 k\u1ebft n\u1ed1i c&aacute;c thi\u1ebft b\u1ecb v\u1edbi nhau.<\/strong>\n<\/p>\n<p>\n\tC&ocirc;ng ngh\u1ec7 ZigBee \u0111\u01b0\u1ee3c x&acirc;y d\u1ef1ng d\u1ef1a tr&ecirc;n ti&ecirc;u chu\u1ea9n 802.15.4 c\u1ee7a t\u1ed5 ch\u1ee9c IEEE (Institute of Electrical and Electronics Engineers). Ti&ecirc;u chu\u1ea9n 802.15.4 n&agrave;y s\u1eed d\u1ee5ng t&iacute;n hi\u1ec7u radio c&oacute; t\u1ea7n s&oacute;ng ng\u1eafn, v&agrave; c\u1ea5u tr&uacute;c c\u1ee7a 802.15.4 c&oacute; 2 t\u1ea7ng l&agrave; t\u1ea7ng v\u1eadt l&yacute; v&agrave; t\u1ea7ng MAC (medicum Access Control). C&ocirc;ng ngh\u1ec7 ZigBee v&igrave; th\u1ebf c\u0169ng d&ugrave;ng s&oacute;ng radio v&agrave; c&oacute; 2 t\u1ea7ng. H\u01a1n th\u1ebf n\u1eefa ZigBee c&ograve;n thi\u1ebft l\u1eadp c&aacute;c t\u1ea7ng kh&aacute;c nh\u1edd th\u1ebf m&agrave; c&aacute;c thi\u1ebft b\u1ecb c\u1ee7a c&aacute;c nh&agrave; s\u1ea3n xu\u1ea5t d&ugrave; kh&aacute;c nhau nh\u01b0ng c&ugrave;ng ti&ecirc;u chu\u1ea9n c&oacute; th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi nhau v&agrave; v\u1eadn h&agrave;nh trong v&ugrave;ng b\u1ea3o m\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng.\n<\/p>\n<p>\n\tNh\u1edd ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa kh&ocirc;ng d&acirc;y, truy\u1ec1n d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh, ti&ecirc;u th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ef1c th\u1ea5p, c&ocirc;ng ngh\u1ec7 m\u1edf \u0111&atilde; gi&uacute;p c&ocirc;ng ngh\u1ec7 ZigBee tr\u1edf n&ecirc;n h\u1ea5p d\u1eabn s\u1eed d\u1ee5ng cho c&aacute;c \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l&agrave; \u1ee9ng d\u1ee5ng trong&nbsp;nh&agrave; th&ocirc;ng minh c&ocirc;ng ngh\u1ec7 zigbee&nbsp;hi\u1ec7n nay.\n<\/p>\n<p>\n\t<strong>TI&Ecirc;U CHU\u1ea8N ZIGBEE V&Agrave; LI&Ecirc;N MINH ZIGBEE<\/strong>\n<\/p>\n<p>\n\tC&aacute;c ti&ecirc;u chu\u1ea9n ZigBee \u0111\u01b0\u1ee3c b\u1ea3o tr\u1ee3 b\u1edfi 1 nh&oacute;m li&ecirc;n minh ZigBee. Li&ecirc;n minh n&agrave;y c&oacute; h\u01a1n 150 th&agrave;nh vi&ecirc;n, m\u1ed9t s\u1ed1 trong s\u1ed1 \u0111&oacute; l&agrave; nh\u1eefng b\u1ea3o tr\u1ee3 ch&iacute;nh v&agrave; c&oacute; \u1ea3nh h\u01b0\u1edfng quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn ti&ecirc;u chu\u1ea9n c\u1ee7a ZigBee, bao g\u1ed3m Ember, Honeywell, Invensys, Mitsubishi, Motorola, Philips, v&agrave; Samsung. Li&ecirc;n minh ZigBee c&acirc;n nh\u1eafc \u0111\u1ebfn nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng, nh&agrave; s\u1ea3n xu\u1ea5t v&agrave; c&aacute;c nh&agrave; ph&aacute;t tri\u1ec3n h\u1ec7 th\u1ed1ng \u0111\u1ec3 n&acirc;ng cao ti&ecirc;u chu\u1ea9n ZigBee.\n<\/p>\n<p>\n\t&nbsp;\n<\/p>\n<p>\n\t<strong>C&Aacute;C PHI&Ecirc;N B\u1ea2N C\u1ee6A ZIGBEE:<\/strong>\n<\/p>\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"width:658px;\" width=\"658\">\n<thead>\n<tr>\n<th style=\"width:17.0%;\">\n<p>\n\t\t\t\t\t<strong>PHI&Ecirc;N B\u1ea2N<\/strong>\n\t\t\t\t<\/p>\n<\/th>\n<th style=\"width:82.0%;\">\n<p>\n\t\t\t\t\t<strong>CHI TI\u1ebeT<\/strong>\n\t\t\t\t<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width:17.0%;\">\n<p>\n\t\t\t\t\tZigBee 2004\n\t\t\t\t<\/p>\n<\/td>\n<td style=\"width:82.0%;\">\n<p>\n\t\t\t\t\t\u0110&acirc;y l&agrave; phi&ecirc;n b\u1ea3n \u0111\u1ea7u ti&ecirc;n c\u1ee7a ZigBee &ndash; &nbsp;\u0111\u01b0\u1ee3c g\u1ecdi l&agrave;&nbsp; ZigBee 1.0, ra \u0111\u1eddi v&agrave;o th&aacute;ng 6\/2005.\n\t\t\t\t<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width:17.0%;\">\n<p>\n\t\t\t\t\tZigBee 2006\n\t\t\t\t<\/p>\n<\/td>\n<td style=\"width:82.0%;\">\n<p>\n\t\t\t\t\tPhi&ecirc;n b\u1ea3n n&agrave;y gi\u1edbi thi\u1ec7u kh&aacute;i ni\u1ec7m ch&ugrave;m, \u0111\u01b0\u1ee3c ra \u0111\u1eddi v&agrave;o th&aacute;ng 9\/2006.\n\t\t\t\t<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width:17.0%;\">\n<p>\n\t\t\t\t\tZigBee 2007\n\t\t\t\t<\/p>\n<\/td>\n<td style=\"width:82.0%;\">\n<p>\n\t\t\t\t\tPhi&ecirc;n b\u1ea3n ti\u1ebfp theo ra \u0111\u1eddi th&aacute;ng 10\/2007 v&agrave; c&oacute; 2 lo\u1ea1i h&igrave;nh d\u1ea1ng kh&aacute;c nhau.\n\t\t\t\t<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width:17.0%;\">\n<p>\n\t\t\t\t\tZigBee PRO\n\t\t\t\t<\/p>\n<\/td>\n<td style=\"width:82.0%;\">\n<p>\n\t\t\t\t\tPhi&ecirc;n b\u1ea3n n&agrave;y l&agrave; 1 phi&ecirc;n b\u1ea3n c\u1ee7a n\u0103m 2007 nh\u01b0ng \u0111\u01b0\u1ee3c n&acirc;ng c\u1ea5p l&ecirc;n \u0111\u1ec3 c&agrave;i \u0111\u1eb7t nhanh h\u01a1n v&agrave; t\u0103ng t&iacute;nh b\u1ea3o m\u1eadt cho h\u1ec7 th\u1ed1ng.\n\t\t\t\t<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width:17.0%;\">\n<p>\n\t\t\t\t\tRF4CE\n\t\t\t\t<\/p>\n<\/td>\n<td style=\"width:82.0%;\">\n<p>\n\t\t\t\t\tL&agrave; d\u1ea1ng t\u1ea7n s&oacute;ng v&ocirc; tuy\u1ebfn cho c&aacute;c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c&oacute; \u1ee9ng d\u1ee5ng &acirc;m thanh nghe nh&igrave;n, ra \u0111\u1eddi n\u0103m 2009.\n\t\t\t\t<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n\t&nbsp;\n<\/p>\n<p>\n\t<strong>C&Aacute;C D\u1ea2I T\u1ea6NG S&Oacute;NG HO\u1ea0T \u0110\u1ed8NG C\u1ee6A ZIGBEE<\/strong>\n<\/p>\n<p>\n\tZigBee c&oacute; ki\u1ebfn tr&uacute;c nhi\u1ec1u t\u1ea7ng nh\u01b0 chu\u1ea9n 802.15.4, l&agrave; c&oacute; t\u1ea7ng v\u1eadt l&yacute; v&agrave; t\u1ea7ng MAC, ho\u1ea1t \u0111\u1ed9ng \u1edf 1 trong 3 d\u1ea3i t\u1ea7ng s&oacute;ng:\n<\/p>\n<ul>\n<li>\n\t\tD\u1ea3i 915MHz cho khu v\u1ef1c B\u1eafc M\u1ef9.\n\t<\/li>\n<li>\n\t\tD\u1ea3i 868 MHzcho Ch&acirc;u &Acirc;u, Nh\u1eadt\n\t<\/li>\n<li>\n\t\tV&agrave; d\u1ea3i 2.4GHz cho c&aacute;c n\u01b0\u1edbc kh&aacute;c.\n\t<\/li>\n<\/ul>\n<p>\n\t\u1ede d\u1ea3i 2.4GHz, c&oacute; \u0111\u1ebfn 16 k&ecirc;nh t&iacute;n hi\u1ec7u kh&aacute;c nhau v&agrave; t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u c&oacute; th\u1ec3 \u0111\u1ea1t t\u1edbi 250kbps.\n<\/p>\n<p>\n\tTrong khi \u0111&oacute; d\u1ea3i 868 MHz ch\u1ec9 c&oacute; 1 k&ecirc;nh t&iacute;n hi\u1ec7u v&agrave; t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u c&oacute; th\u1ec3 \u0111\u1ea1t t\u1edbi 20kbps.\n<\/p>\n<p>\n\tNh\u01b0 th\u1ebf c&aacute;c ti&ecirc;u chu\u1ea9n s\u1ebd ho\u1ea1t \u0111\u1ed9ng tr&ecirc;n kh\u1eafp to&agrave;n c\u1ea7u , m\u1eb7c d&ugrave; \u1edf c&aacute;c d\u1ea3i t\u1ea7ng s&oacute;ng kh&aacute;c nhau.\n<\/p>\n<p>\n\tC&ocirc;ng ngh\u1ec7 modun c\u0169ng thay \u0111\u1ed5i theo t\u1eebng d\u1ea3i s&oacute;ng s\u1eed d\u1ee5ng, T\u1ea5t c\u1ea3 \u0111\u1ec1u d&ugrave;ng c&ocirc;ng ngh\u1ec7 tr\u1ea3i ph\u1ed5 r\u1ed9ng (Direct sequence spread spectrum &ndash; DSSS). Tuy nhi&ecirc;n modun c\u1ee7a d\u1ea3i 868 v&agrave; 915MHz d&ugrave;ng k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf pha nh\u1ecb ph&acirc;n, c&ograve;n \u1edf d\u1ea3i 2.4GHz th&igrave; l\u1ea1i d&ugrave;ng k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf t&iacute;n hi\u1ec7u s\u1ed1 c&oacute; d\u1ecbch pha (Offset quadrature phase shift keying &ndash; O-QPSK).\n<\/p>\n<p>\n\tTh\u1ef1c t\u1ebf cho th\u1ea5y h\u1ec7 th\u1ed1ng c&oacute; th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong m&ocirc;i tr\u01b0\u1eddng c&oacute; d\u1eef li\u1ec7u d&agrave;y \u0111\u1eb7c, hay trong v&ugrave;ng m&agrave; c&oacute; nhi\u1ec1u \u0111\u01b0\u1eddng truy\u1ec1n kh&aacute;c l&agrave;m nhi\u1ec5u th&igrave; h\u1ec7 th\u1ed1ng v\u1eabn \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng li&ecirc;n t\u1ee5c \u0111&oacute; l&agrave; nh\u1edd s\u1ef1 \u0111&aacute;nh gi&aacute; ch\u1ea5t l\u01b0\u1ee3ng, s\u1ef1 ph&aacute;t hi\u1ec7n n\u0103ng l\u01b0\u1ee3ng ti\u1ebfp nh\u1eadn v&agrave; \u0111&aacute;nh gi&aacute; k&ecirc;nh r&otilde; r&agrave;ng.\n<\/p>\n<p>\n\tC&ocirc;ng ngh\u1ec7 \u0111a truy c\u1eadp nh\u1eadn bi\u1ebft s&oacute;ng mang CSMA (Carrier Sense Multiple Access) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x&aacute;c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m truy\u1ec1n, v&agrave; tr&aacute;nh \u0111\u01b0\u1ee3c nh\u1eefng va ch\u1ea1m trong \u0111\u01b0\u1eddng truy\u1ec1n.\n<\/p>\n<p>\n\t&nbsp;\n<\/p>\n<p>\n\t<strong>TRUY\u1ec0N D\u1eee LI\u1ec6U<\/strong>\n<\/p>\n<p>\n\tT&iacute;n hi\u1ec7u c&ocirc;ng ngh\u1ec7 ZigBee c&oacute; th\u1ec3 truy\u1ec1n xa \u0111\u1ebfn 75m t&iacute;nh t\u1eeb tr\u1ea1m ph&aacute;t, v&agrave; kho\u1ea3ng c&aacute;ch c&oacute; th\u1ec3 xa h\u01a1n r\u1ea5t nhi\u1ec1u n\u1ebfu \u0111\u01b0\u1ee3c ti\u1ebfp t\u1ee5c ph&aacute;t t\u1eeb n&uacute;t li&ecirc;n k\u1ebft ti\u1ebfp theo trong c&ugrave;ng h\u1ec7 th\u1ed1ng.\n<\/p>\n<p>\n\tC&aacute;c d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n theo g&oacute;i, g&oacute;i t\u1ed1i \u0111a l&agrave; 128bytes cho ph&eacute;p t\u1ea3i xu\u1ed1ng t\u1ed1i \u0111a 104 bytes.\n<\/p>\n<p>\n\tTi&ecirc;u chu\u1ea9n n&agrave;y h\u1ed7 tr\u1ee3 \u0111\u1ecba ch\u1ec9 64bit c\u0169ng nh\u01b0 \u0111\u1ecba ch\u1ec9 ng\u1eafn 16bit. Lo\u1ea1i \u0111\u1ecba ch\u1ec9 64bit ch\u1ec9 x&aacute;c \u0111inh&nbsp; \u0111\u01b0\u1ee3c m\u1ed7i thi\u1ebft b\u1ecb c&oacute; c&ugrave;ng 1 \u0111\u1ecba ch\u1ec9 IP duy nh\u1ea5t. Khi m\u1ea1ng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, nh\u1eefng \u0111\u1ecba ch\u1ec9 ng\u1eafn c&oacute; th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v&agrave; cho ph&eacute;p h\u01a1n 65000 n&uacute;t \u0111\u01b0\u1ee3c li&ecirc;n k\u1ebft.\n<\/p>\n<p>\n\t<strong>M&Ocirc; H&Igrave;NH M\u1ea0NG ZIGBEE<\/strong>\n<\/p>\n<p>\n\tZigBee c&oacute; 3 d\u1ea1ng h&igrave;nh m\u1ea1ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi ZigBee: d\u1ea1ng h&igrave;nh sao, h&igrave;nh l\u01b0\u1edbi, v&agrave; h&igrave;nh c&acirc;y. M\u1ed7i d\u1ea1ng h&igrave;nh \u0111\u1ec1u c&oacute; nh\u1eefng \u01b0u \u0111i\u1ec3m ri&ecirc;ng v&agrave; \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c&aacute;c tr\u01b0\u1eddng h\u1ee3p kh&aacute;c nhau.\n<\/p>\n<p>\n\tH&igrave;nh sao &nbsp;(Star network)\n<\/p>\n<p>\n\tC&aacute;c n&uacute;t h&igrave;nh sao li&ecirc;n k\u1ebft v\u1edbi n&uacute;t trung t&acirc;m.\n<\/p>\n<p>\n\tH&igrave;nh l\u01b0\u1edbi (Mesh network)\n<\/p>\n<p>\n\tM\u1ea1ng h&igrave;nh l\u01b0\u1edbi c&oacute; t&iacute;nh tin c\u1eady cao, m\u1ed7i n&uacute;t trong m\u1ea1ng l\u01b0\u1edbi \u0111\u1ec1u c&oacute; kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u1edbi n&uacute;t kh&aacute;c, n&oacute; cho ph&eacute;p truy\u1ec1n th&ocirc;ng li&ecirc;n t\u1ee5c gi\u1eefa c&aacute;c \u0111i\u1ec3m n&uacute;t v\u1edbi nhau v&agrave; b\u1ec1n v\u1eefng. N\u1ebfu c&oacute; s\u1ef1 t&aacute;c \u0111\u1ed9ng c\u1ea3n tr\u1edf, h\u1ec7 th\u1ed1ng c&oacute; kh\u1ea3 n\u0103ng t\u1ef1 x&aacute;c \u0111\u1ecbnh l\u1ea1i c\u1ea5u h&igrave;nh b\u1eb1ng c&aacute;ch nh\u1ea3y t\u1eeb n&uacute;t n&agrave;y sang n&uacute;t kh&aacute;c.\n<\/p>\n<p>\n\tH&igrave;nh c&acirc;y (Cluster network)\n<\/p>\n<p>\n\tM\u1ea1ng h&igrave;nh n&agrave;y ch&iacute;nh l&agrave; 1 d\u1ea1ng \u0111\u1eb7c bi\u1ec7t c\u1ee7a m\u1ea1ng h&igrave;nh l\u01b0\u1edbi, d\u1ea1ng m\u1ea1ng n&agrave;y c&oacute; kh\u1ea3 n\u0103ng ph\u1ee7 s&oacute;ng v&agrave; m\u1edf r\u1ed9ng cao.\n<\/p>\n<p>\n\t<strong>C\u1ea4U TR&Uacute;C C\u1ee6A ZIGBEE:<\/strong>\n<\/p>\n<p>\n\tNgo&agrave;i 2 t\u1ea7ng v\u1eadt l&yacute; v&agrave; t\u1ea7ng MAC x&aacute;c \u0111\u1ecbnh b\u1edfi ti&ecirc;u chu\u1ea9n 802.15.4 \u1edf, ti&ecirc;u chu\u1ea9n ZigBee c&ograve;n c&oacute; th&ecirc;m c&aacute;c t\u1ea7ng tr&ecirc;n c\u1ee7a h\u1ec7 th\u1ed1ng bao g\u1ed3m: t\u1ea7ng m\u1ea1ng, t\u1ea7ng h\u1ed7 tr\u1ee3 \u1ee9ng d\u1ee5ng, t\u1ea7ng \u0111\u1ed1i t\u01b0\u1ee3ng thi\u1ebft b\u1ecb v&agrave; c&aacute;c \u0111\u1ed1i t\u01b0\u1ee3ng \u1ee9ng d\u1ee5ng.\n<\/p>\n<p>\n\t<a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2017\/08\/Zigbee.png\"><img loading=\"lazy\" decoding=\"async\" alt=\"zigbee digital signage\" class=\"alignnone size-full wp-image-5813\" height=\"340\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2017\/08\/Zigbee.png\" width=\"533\" srcset=\"https:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2017\/08\/Zigbee.png 533w, https:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2017\/08\/Zigbee-300x191.png 300w\" sizes=\"(max-width: 533px) 100vw, 533px\" \/><\/a>\n<\/p>\n<p>\n\t&bull;&nbsp;T\u1ea7ng v\u1eadt l&yacute;: c&oacute; tr&aacute;ch nhi\u1ec7m \u0111i\u1ec1u bi\u1ebfn, ho&agrave;n \u0111i\u1ec1u bi\u1ebft v&agrave; g&oacute;i t&iacute;n hi\u1ec7u v&agrave;o kh&ocirc;ng gian \u0111\u1ed3ng th\u1eddi gi\u1eef cho vi\u1ec7c truy\u1ec1n t&iacute;n hi\u1ec7u \u0111\u01b0\u1ee3c m\u1ea1nh trong m&ocirc;i tr\u01b0\u1eddng nhi\u1ec5u.\n<\/p>\n<p>\n\t&bull;&nbsp;T\u1ea7ng MAC:&nbsp; s\u1eed d\u1ee5ng nh\u01b0 c&ocirc;ng ngh\u1ec7 \u0111a truy c\u1eadp nh\u1eadn bi\u1ebft song mang CSMA \u0111\u1ec3 x&aacute;c \u0111\u1ecbnh h&igrave;nh d\u1ea1ng \u0111\u01b0\u1eddng truy\u1ec1n \u0111\u1ec3 tr&aacute;nh va ch\u1ea1m x&aacute;c \u0111\u1ecbnh v&agrave; x&aacute;c \u0111\u1ecbnh h&igrave;nh d\u1ea1ng m\u1ea1ng, gi&uacute;p h\u1ec7 th\u1ed1ng m\u1ea1nh v&agrave; v\u1eefng ch\u1eafc.\n<\/p>\n<p>\n\t&bull;&nbsp;T\u1ea7ng m\u1ea1ng &ndash; NWK l&agrave; 1 t\u1ea7ng ph\u1ee9c t\u1ea1p c\u1ee7a ZigBee, gi&uacute;p t&igrave;m, k\u1ebft n\u1ed1i m\u1ea1ng v&agrave; m\u1edf r\u1ed9ng h&igrave;nh d\u1ea1ng t\u1eeb chu\u1ea9n 802.15.4 l&ecirc;n d\u1ea1ng l\u01b0\u1edbi. T\u1ea7ng n&agrave;y x&aacute;c \u0111\u1ecbnh \u0111\u01b0\u1eddng truy\u1ec1n l&ecirc;n ZigBee, x&aacute;c \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 ZigBee thay v&igrave; \u0111\u1ecba ch\u1ec9 t\u1ea7ng MAC b&ecirc;n d\u01b0\u1edbi.\n<\/p>\n<p>\n\t&bull;&nbsp;T\u1ea7ng h\u1ed7 tr\u1ee3 \u1ee9ng d\u1ee5ng &ndash; APS l&agrave; t\u1ea7ng k\u1ebft n\u1ed1i v\u1edbi t\u1ea7ng m\u1ea1ng v&agrave; l&agrave; n\u01a1i c&agrave;i \u0111\u1eb7t nh\u1eefng \u1ee9ng d\u1ee5ng c\u1ea7n cho ZigBee, gi&uacute;p l\u1ecdc b\u1edbt c&aacute;c g&oacute;i d\u1eef li\u1ec7u tr&ugrave;ng l\u1eafp t\u1eeb t\u1ea7ng m\u1ea1ng\n<\/p>\n<p>\n\t&bull;&nbsp;T\u1ea7ng \u0111\u1ed1i t\u01b0\u1ee3ng thi\u1ebft b\u1ecb &ndash; ZDO c&oacute; tr&aacute;ch nhi\u1ec7m qu\u1ea3n l&yacute; c&aacute;c thi\u1ebft b\u1ecb, \u0111\u1ecbnh h&igrave;nh t\u1ea7ng h\u1ed7 tr\u1ee3 \u1ee9ng d\u1ee5ng v&agrave; t\u1ea7ng m\u1ea1ng, cho ph&eacute;p thi\u1ebft b\u1ecb t&igrave;m ki\u1ebfm, qu\u1ea3n l&yacute; c&aacute;c y&ecirc;u c\u1ea7u v&agrave; x&aacute;c \u0111\u1ecbnh tr\u1ea1ng th&aacute;i c\u1ee7a thi\u1ebft b\u1ecb.\n<\/p>\n<p>\n\t&bull;&nbsp;T\u1ea7ng c&aacute;c \u0111\u1ed1i t\u01b0\u1ee3ng \u1ee9ng d\u1ee5ng ng\u01b0\u1eddi d&ugrave;ng &ndash; APO: l&agrave; t\u1ea7ng m&agrave; \u1edf \u0111&acirc;y ng\u01b0\u1eddi d&ugrave;ng ti\u1ebfp x&uacute;c v\u1edbi thi\u1ebft b\u1ecb, t\u1ea7ng n&agrave;y cho ph&eacute;p ng\u01b0\u1eddi d&ugrave;ng c&oacute; th\u1ec3 tu\u1ef3 bi\u1ebfn th&ecirc;m \u1ee9ng d\u1ee5ng v&agrave;o h\u1ec7 th\u1ed1ng.\n<\/p>\n<p>\n\t<strong>T\u1ed4NG K\u1ebeT<\/strong>\n<\/p>\n<p>\n\tH\u1ec7 th\u1ed1ng ZigBee \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h&oacute;a \u0111\u1ec3 ch\u1eafc ch\u1eafn r\u1eb1ng s\u1ef1 ti&ecirc;u th\u1ee5 n\u0103ng l\u01b0\u1ee3ng r\u1ea5t th\u1ea5p. Ch\u1ec9 c&oacute; c&aacute;c n&uacute;t c&oacute; \u0111i\u1ec1u khi\u1ec3n c\u1ea3m bi\u1ebfn trung t&acirc;m c&oacute; s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n c&ograve;n l\u1ea1i c&aacute;c n&uacute;t kh&aacute;c h\u1ea7u nh\u01b0 kh&ocirc;ng c\u1ea7n n\u0103ng l\u01b0\u01a1ng (c&oacute; th\u1ec3 v\u1eadn h&agrave;nh \u1edf ch\u1ebf \u0111\u1ed9 sleep mode). \u0110i\u1ec1u n&agrave;y gi&uacute;p cho pin d&ugrave;ng trong c&aacute;c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng c&ocirc;ng ngh\u1ec7 ZigBee c&oacute; tu\u1ed5i th\u1ecd r\u1ea5t cao t&iacute;nh \u0111\u1ebfn h&agrave;ng n\u0103m m&agrave; kh&ocirc;ng c\u1ea7n thay th\u1ebf.\n<\/p>\n<p>\n\tM\u1eb7c d&ugrave; ng&agrave;y c&agrave;ng c&oacute; nhi\u1ec1u s\u1ef1 l\u1ef1a chon cho m\u1ea1ng kh&ocirc;ng d&acirc;y, nh\u01b0ng ZigBee v\u1eabn l&agrave; s\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee7a c&aacute;c nh&agrave; s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb h&agrave;ng \u0111\u1ea7u b\u1edfi t&iacute;nh \u1ee9ng d\u1ee5ng trong \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa, c\u1ea3m bi\u1ebfn v&agrave; c&aacute;c h\u1ec7 th\u1ed1ng thi h&agrave;nh (R\u1edd le, van \u0111&oacute;ng m\u1edf&hellip;), b\u1edfi t&iacute;nh \u1ed5n \u0111\u1ecbnh cao, b\u1ea3o m\u1eadt, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, gi&aacute; th&agrave;nh r\u1ebb, ti&ecirc;u th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p, h\u1ec7 th\u1ed1ng m\u1edf cho nhi\u1ec1u nh&agrave; s\u1ea3n xu\u1ea5t, v&agrave; ng&agrave;y c&agrave;ng \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn t\u1ed1t h\u01a1n.\n<\/p>\n<p>\n\t(http:\/\/www.zigbee.org)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ZigBee l&agrave; m\u1ed9t giao th\u1ee9c m\u1ea1ng kh&ocirc;ng d&acirc;y \u0111\u01b0\u1ee3c d&ugrave;ng \u0111\u1ec3 k\u1ebft n\u1ed1i c&aacute;c thi\u1ebft b\u1ecb v\u1edbi nhau. C&ocirc;ng ngh\u1ec7<\/p>\n","protected":false},"author":9,"featured_media":5814,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,17],"tags":[135,477],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>T\u1ed5ng quan v\u1ec1 c\u00f4ng ngh\u1ec7 ZIGBEE - Blog SNT - C\u00f4ng Ty TNHH Si\u00eau Nh\u1eadt Thanh - Sao Nhanh Th\u1ebf<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/snt.com.vn\/blog\/tong-quan-ve-cong-nghe-zigbee\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ed5ng quan v\u1ec1 c\u00f4ng ngh\u1ec7 ZIGBEE - Blog SNT - C\u00f4ng Ty TNHH Si\u00eau Nh\u1eadt Thanh - Sao Nhanh Th\u1ebf\" \/>\n<meta property=\"og:description\" content=\"ZigBee l&agrave; m\u1ed9t giao th\u1ee9c m\u1ea1ng kh&ocirc;ng d&acirc;y \u0111\u01b0\u1ee3c d&ugrave;ng \u0111\u1ec3 k\u1ebft n\u1ed1i c&aacute;c thi\u1ebft b\u1ecb v\u1edbi nhau. 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