{"id":1076,"date":"2023-09-11T15:41:21","date_gmt":"2023-09-11T15:41:21","guid":{"rendered":"https:\/\/vtechsolutions.vn\/blog\/?p=1076"},"modified":"2023-10-17T13:06:56","modified_gmt":"2023-10-17T13:06:56","slug":"he-thong-mang-wifi-khong-day-la-gi","status":"publish","type":"post","link":"https:\/\/vtechsolutions.vn\/blog\/he-thong-mang-wifi-khong-day-la-gi\/","title":{"rendered":"H\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y l\u00e0 g\u00ec? Nh\u1eefng l\u01b0u \u00fd khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u1ea1ng wifi"},"content":{"rendered":"<p><a href=\"https:\/\/vtechsolutions.vn\/blog\/he-thong-mang-wifi-khong-day-la-gi\/\">H\u1ec7 th\u1ed1ng m\u1ea1ng wifi<\/a> <span style=\"font-weight: 400;\">li\u00ean k\u1ebft ch\u00fang ta v\u1edbi th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1. \u0110\u1eb1ng sau s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 kh\u1ea3 n\u0103ng truy c\u1eadp kh\u00f4ng gi\u1edbi h\u1ea1n n\u00e0y, c\u00e2u h\u1ecfi <\/span><b>h\u1ec7 th\u1ed1ng m\u1ea1ng wifi<\/b> <b>l\u00e0 g\u00ec<\/b><span style=\"font-weight: 400;\"> c\u0169ng nh\u01b0 c\u00e1ch l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng m\u1ea1ng wifi r\u1ea5t th\u01b0\u1eddng g\u1eb7p. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 s\u00e2u h\u01a1n v\u1ec1 h\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y v\u00e0 nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng khi thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng wifi hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ea3o m\u1eadt.<\/span><\/p>\n<div id=\"toc_container\" class=\"toc_light_blue no_bullets\"><p class=\"toc_title\">T&oacute;m t\u1eaft n\u1ed9i dung<\/p><ul class=\"toc_list\"><li><a href=\"#1_He_thong_mang_wifi_khong_day_Wireless_network_la_gi\">1\/ H\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y (Wireless network) l\u00e0 g\u00ec?<\/a><\/li><li><a href=\"#2_Cau_tao_cua_mot_he_thong_mang_Wifi_khong_day_gom_nhung_thiet_bi_gi\">2\/ C\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng Wifi kh\u00f4ng d\u00e2y g\u1ed3m nh\u1eefng thi\u1ebft b\u1ecb g\u00ec?<\/a><\/li><li><a href=\"#3_Uu_nhuoc_diem_cua_mang_wifi_khong_day_so_voi_mang_co_day\">3\/ \u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng wifi kh\u00f4ng d\u00e2y so v\u1edbi m\u1ea1ng c\u00f3 d\u00e2y<\/a><ul><li><a href=\"#31_Uu_diem_cua_mang_wifi_khong_day\">3.1\/ \u01afu \u0111i\u1ec3m c\u1ee7a m\u1ea1ng wifi kh\u00f4ng d\u00e2y<\/a><\/li><li><a href=\"#32_Nhuoc_diem_cua_mang_wifi_khong_day\">3.2\/ Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng wifi kh\u00f4ng d\u00e2y<\/a><\/li><\/ul><\/li><li><a href=\"#4_Nhung_he_thong_mang_Wifi_pho_bien_hien_nay\">4\/ Nh\u1eefng h\u1ec7 th\u1ed1ng m\u1ea1ng Wifi ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/a><ul><li><a href=\"#41_He_thong_wifi_truyen_thong\">4.1\/ H\u1ec7 th\u1ed1ng wifi truy\u1ec1n th\u1ed1ng<\/a><\/li><li><a href=\"#42_He_thong_wifi_mesh\">4.2\/ H\u1ec7 th\u1ed1ng wifi mesh<\/a><\/li><li><a href=\"#43_He_thong_wifi_marketing\">4.3\/ H\u1ec7 th\u1ed1ng wifi marketing<\/a><\/li><li><a href=\"#44_He_thong_wifi_roaming_8211_chuyen_vung\">4.4\/ H\u1ec7 th\u1ed1ng wifi roaming &#8211; chuy\u1ec3n v\u00f9ng<\/a><\/li><\/ul><\/li><li><a href=\"#5_Tim_hieu_cac_chuan_ket_noi_Wifi_hien_nay\">5\/ T\u00ecm hi\u1ec3u c\u00e1c chu\u1ea9n k\u1ebft n\u1ed1i Wifi hi\u1ec7n nay<\/a><\/li><li><a href=\"#6_Nhung_luu_y_de_thiet_ke_he_thong_mang_wifi_de_co_duong_truyen_on_dinh\">6\/ Nh\u1eefng l\u01b0u \u00fd \u0111\u1ec3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u1ea1ng wifi \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1eddng truy\u1ec1n \u1ed5n \u0111\u1ecbnh<\/a><\/li><li><a href=\"#7_Cac_buoc_lap_dat_he_thong_mang_wifi\">7\/ C\u00e1c b\u01b0\u1edbc l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng m\u1ea1ng wifi<\/a><\/li><\/ul><\/div>\n<h2><span id=\"1_He_thong_mang_wifi_khong_day_Wireless_network_la_gi\"><b>1\/ H\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y (Wireless network) l\u00e0 g\u00ec?<\/b><\/span><\/h2>\n<p><b>H\u1ec7 th\u1ed1ng m\u1ea1ng wifi <\/b><span style=\"font-weight: 400;\">kh\u00f4ng d\u00e2y, hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ea1ng LAN kh\u00f4ng d\u00e2y (Wireless Local Area Network), l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i m\u1ea1ng kh\u00f4ng d\u00e2y gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed trong m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3. Thay v\u00ec s\u1eed d\u1ee5ng c\u00e1p m\u1ea1ng truy\u1ec1n th\u1ed1ng, h\u1ec7 th\u1ed1ng m\u1ea1ng wifi s\u1eed d\u1ee5ng s\u00f3ng radio \u0111\u1ec3 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb.<\/span><\/p>\n<p><b>H\u1ec7 th\u1ed1ng m\u1ea1ng kh\u00f4ng d\u00e2y<\/b><span style=\"font-weight: 400;\"> \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c t\u00f2a nh\u00e0, tr\u01b0\u1eddng h\u1ecdc, c\u00f4ng vi\u00ean, qu\u00e1n c\u00e0 ph\u00ea, kh\u00e1ch s\u1ea1n v\u00e0 nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m c\u00f4ng c\u1ed9ng kh\u00e1c. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 wifi \u0111\u00e3 mang l\u1ea1i m\u1ed9t c\u00e1ch k\u1ebft n\u1ed1i hi\u1ec7u qu\u1ea3 v\u00e0 linh ho\u1ea1t, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u v\u00e0 truy c\u1eadp internet.<\/span><\/p>\n<figure id=\"attachment_1131\" aria-describedby=\"caption-attachment-1131\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1131\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/giai-phap-mang-wifi-cho-doanh-nghiep.jpg\" alt=\"gi\u1ea3i ph\u00e1p m\u1ea1ng wifi cho doanh nghi\u1ec7p\" width=\"800\" height=\"537\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/giai-phap-mang-wifi-cho-doanh-nghiep.jpg 587w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/giai-phap-mang-wifi-cho-doanh-nghiep-300x201.jpg 300w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1131\" class=\"wp-caption-text\">T\u00ecm hi\u1ec3u v\u1ec1 h\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y<\/figcaption><\/figure>\n<h2><span id=\"2_Cau_tao_cua_mot_he_thong_mang_Wifi_khong_day_gom_nhung_thiet_bi_gi\"><b>2\/ C\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng Wifi kh\u00f4ng d\u00e2y g\u1ed3m nh\u1eefng thi\u1ebft b\u1ecb g\u00ec?<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ed9t <\/span><b>h\u1ec7 th\u1ed1ng m\u1ea1ng kh\u00f4ng d\u00e2y<\/b><span style=\"font-weight: 400;\"> th\u01b0\u1eddng bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb sau \u0111\u00e2y:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Router: \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb quan tr\u1ecdng nh\u1ea5t trong h\u1ec7 th\u1ed1ng m\u1ea1ng wifi. Router c\u00f3 nhi\u1ec7m v\u1ee5 k\u1ebft n\u1ed1i m\u1ea1ng wifi v\u1edbi m\u1ea1ng internet. N\u00f3 thu nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) v\u00e0 ph\u00e2n ph\u1ed1i n\u00f3 cho c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i trong m\u1ea1ng n\u1ed9i b\u1ed9. <a href=\"https:\/\/vtechsolutions.vn\/blog\/bo-dinh-tuyen-khong-day-router-wifi\/\">Router wifi ch\u1ecbu tr\u00e1ch nhi\u1ec7m \u0111i\u1ec1u khi\u1ec3n v\u00e0 qu\u1ea3n l\u00fd c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i<\/a>, cung c\u1ea5p b\u1ea3o m\u1eadt v\u00e0 qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Access Point (AP) l\u00e0 thi\u1ebft b\u1ecb ph\u00e1t s\u00f3ng wifi, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec3m truy c\u1eadp. Access Point nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb router v\u00e0 ph\u00e1t s\u00f3ng wifi trong m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3. N\u00f3 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c k\u1ebft n\u1ed1i v\u00e0 truy c\u1eadp v\u00e0o m\u1ea1ng wifi. Trong c\u00e1c m\u1ea1ng l\u1edbn, c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u <a href=\"https:\/\/vtechsolutions.vn\/blog\/cach-mo-rong-vung-phu-song-wifi-bang-access-point-zyxel\/\">Access Point \u0111\u01b0\u1ee3c tri\u1ec3n khai \u0111\u1ec3 m\u1edf r\u1ed9ng v\u00f9ng ph\u1ee7 s\u00f3ng wifi<\/a>.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i: \u0110\u00e2y l\u00e0 c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, m\u00e1y t\u00ednh b\u1ea3ng, m\u00e1y in, camera IP v\u00e0 c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh kh\u00e1c c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng wifi. Ch\u00fang s\u1eed d\u1ee5ng card m\u1ea1ng kh\u00f4ng d\u00e2y \u0111\u1ec3 nh\u1eadn s\u00f3ng wifi t\u1eeb Access Point v\u00e0 g\u1eedi\/nh\u1eadn d\u1eef li\u1ec7u trong m\u1ea1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Anten: Anten l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ea1ng wifi. N\u00f3 gi\u00fap t\u0103ng c\u01b0\u1eddng t\u00edn hi\u1ec7u s\u00f3ng wifi v\u00e0 m\u1edf r\u1ed9ng ph\u1ea1m vi ph\u1ee7 s\u00f3ng. Antena c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n trong router ho\u1eb7c Access Point, ho\u1eb7c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ri\u00eang l\u1ebb v\u00e0 g\u1eafn n\u1ed1i v\u1edbi thi\u1ebft b\u1ecb.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1p m\u1ea1ng: M\u1eb7c d\u00f9 m\u1ea1ng wifi kh\u00f4ng d\u00e2y lo\u1ea1i b\u1ecf c\u1ea7n thi\u1ebft d\u00f9ng c\u00e1p m\u1ea1ng truy\u1ec1n th\u1ed1ng, nh\u01b0ng c\u00e1p m\u1ea1ng v\u1eabn c\u1ea7n thi\u1ebft cho vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 router v\u00e0 Access Point v\u1edbi m\u1ea1ng n\u1ed9i b\u1ed9 ho\u1eb7c m\u1ea1ng internet.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n: \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng wifi l\u1edbn, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n nh\u01b0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m (controller) \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00e1c Access Point v\u00e0 c\u00e1c t\u00ednh n\u0103ng m\u1ea1ng kh\u00e1c.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u1ea5u t\u1ea1o c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o quy c\u00e1ch tri\u1ec3n khai v\u00e0 quy m\u00f4 c\u1ee7a m\u1ea1ng. Tuy nhi\u00ean, nh\u1eefng thi\u1ebft b\u1ecb nh\u01b0 router, Access Point, thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u00e0 anten l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y.<\/span><\/p>\n<h2><span id=\"3_Uu_nhuoc_diem_cua_mang_wifi_khong_day_so_voi_mang_co_day\"><b>3\/ \u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng wifi kh\u00f4ng d\u00e2y so v\u1edbi m\u1ea1ng c\u00f3 d\u00e2y<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i <\/span><b>h\u1ec7 th\u1ed1ng m\u1ea1ng wifi l\u00e0 g\u00ec<\/b><span style=\"font-weight: 400;\">, nh\u1eefng \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng kh\u00f4ng d\u00e2y c\u0169ng \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m. Nh\u00ecn chung, m\u1ea1ng wifi kh\u00f4ng d\u00e2y v\u00e0 m\u1ea1ng c\u00f3 d\u00e2y \u0111\u1ec1u c\u00f3 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng wifi kh\u00f4ng d\u00e2y so v\u1edbi m\u1ea1ng c\u00f3 d\u00e2y:<\/span><\/p>\n<h3><span id=\"31_Uu_diem_cua_mang_wifi_khong_day\"><b>3.1\/ \u01afu \u0111i\u1ec3m c\u1ee7a m\u1ea1ng wifi kh\u00f4ng d\u00e2y<\/b><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">Linh ho\u1ea1t v\u00e0 di \u0111\u1ed9ng:<\/span><\/i><span style=\"font-weight: 400;\"> M\u1ea1ng wifi kh\u00f4ng d\u00e2y cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng di chuy\u1ec3n v\u00e0 truy c\u1eadp internet t\u1eeb nhi\u1ec1u v\u1ecb tr\u00ed kh\u00e1c nhau trong ph\u1ea1m vi s\u00f3ng wifi m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u00e1p. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i s\u1ef1 linh ho\u1ea1t v\u00e0 ti\u1ec7n l\u1ee3i, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c m\u00f4i tr\u01b0\u1eddng di \u0111\u1ed9ng nh\u01b0 v\u0103n ph\u00f2ng, qu\u00e1n c\u00e0 ph\u00ea ho\u1eb7c c\u00e1c c\u00f4ng c\u1ed9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">D\u1ec5 d\u00e0ng c\u00e0i \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng:<\/span><\/i><span style=\"font-weight: 400;\"> Thi\u1ebft l\u1eadp m\u1ea1ng wifi kh\u00f4ng d\u00e2y th\u01b0\u1eddng d\u1ec5 d\u00e0ng h\u01a1n so v\u1edbi vi\u1ec7c k\u00e9o d\u00e2y v\u00e0 c\u00e0i \u0111\u1eb7t m\u1ea1ng c\u00f3 d\u00e2y. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb v\u00e0o m\u1ea1ng wifi \u0111\u00e3 c\u00f3 s\u1eb5n v\u00e0 b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">Ph\u1ea1m vi ph\u1ee7 s\u00f3ng r\u1ed9ng: <\/span><\/i><span style=\"font-weight: 400;\">M\u1ea1ng wifi kh\u00f4ng d\u00e2y c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng ph\u1ea1m vi s\u00f3ng wifi th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c Access Point ho\u1eb7c b\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng wifi (wifi extender). \u0110i\u1ec1u n\u00e0y cho ph\u00e9p t\u0103ng c\u01b0\u1eddng ph\u1ea1m vi ph\u1ee7 s\u00f3ng wifi v\u00e0 ti\u1ec7n \u00edch trong c\u00e1c khu v\u1ef1c l\u1edbn ho\u1eb7c c\u00f3 nhi\u1ec1u t\u00f2a nh\u00e0.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_1125\" aria-describedby=\"caption-attachment-1125\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1125\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/router-wifi-la-gi.jpg\" alt=\"wifi router l\u00e0 g\u00ec\" width=\"800\" height=\"453\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/router-wifi-la-gi.jpg 730w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/router-wifi-la-gi-300x170.jpg 300w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1125\" class=\"wp-caption-text\">M\u1ea1ng wifi ph\u1ee7 s\u00f3ng r\u1ed9ng trong khu v\u1ef1c l\u1edbn<\/figcaption><\/figure>\n<h3><span id=\"32_Nhuoc_diem_cua_mang_wifi_khong_day\"><b>3.2\/<\/b><b> Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng wifi kh\u00f4ng d\u00e2y<\/b><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">S\u1ef1 can thi\u1ec7p t\u1eeb m\u00f4i tr\u01b0\u1eddng: <\/span><\/i><span style=\"font-weight: 400;\">M\u1ea1ng wifi kh\u00f4ng d\u00e2y c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c t\u00e1c \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng xung quanh nh\u01b0 t\u01b0\u1eddng, c\u1eeda, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c v\u00e0 t\u1ea7n s\u1ed1 s\u00f3ng radio t\u1eeb c\u00e1c ngu\u1ed3n kh\u00e1c. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u v\u00e0 hi\u1ec7u su\u1ea5t k\u1ebft n\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><i><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt y\u1ebfu h\u01a1n: <\/span><\/i><span style=\"font-weight: 400;\">M\u1ea1ng wifi kh\u00f4ng d\u00e2y c\u00f3 nguy c\u01a1 b\u1ea3o m\u1eadt cao h\u01a1n so v\u1edbi m\u1ea1ng c\u00f3 d\u00e2y. T\u00edn hi\u1ec7u s\u00f3ng wifi c\u00f3 th\u1ec3 b\u1ecb nghe tr\u1ed9m ho\u1eb7c x\u00e2m nh\u1eadp t\u1eeb ng\u01b0\u1eddi l\u1ea1. \u0110i\u1ec1u n\u00e0y y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt nh\u01b0 s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1ng, m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt th\u01b0\u1eddng xuy\u00ean.<\/span><\/li>\n<\/ul>\n<h2><span id=\"4_Nhung_he_thong_mang_Wifi_pho_bien_hien_nay\"><b>4\/ Nh\u1eefng h\u1ec7 th\u1ed1ng m\u1ea1ng Wifi ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/b><\/span><\/h2>\n<h3><span id=\"41_He_thong_wifi_truyen_thong\"><b>4.1\/ H\u1ec7 th\u1ed1ng wifi truy\u1ec1n th\u1ed1ng<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 h\u1ec7 th\u1ed1ng wifi \u0111\u01a1n gi\u1ea3n, s\u1eed d\u1ee5ng m\u1ed9t Access Point duy nh\u1ea5t \u0111\u1ec3 ph\u00e1t s\u00f3ng wifi trong m\u1ed9t khu v\u1ef1c nh\u1ea5t \u0111\u1ecbnh. Th\u00edch h\u1ee3p cho c\u00e1c m\u00f4i tr\u01b0\u1eddng nh\u1ecf, v\u00ed d\u1ee5 nh\u01b0 gia \u0111\u00ecnh, v\u0103n ph\u00f2ng nh\u1ecf ho\u1eb7c qu\u00e1n c\u00e0 ph\u00ea nh\u1ecf.<\/span><\/p>\n<h3><span id=\"42_He_thong_wifi_mesh\"><b>4.2\/ H\u1ec7 th\u1ed1ng wifi mesh<\/b><\/span><\/h3>\n<p><b>H\u1ec7 th\u1ed1ng wifi mesh <\/b><span style=\"font-weight: 400;\">s\u1eed d\u1ee5ng nhi\u1ec1u \u0111i\u1ec3m truy c\u1eadp (Access Point) ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau \u0111\u1ec3 m\u1edf r\u1ed9ng ph\u1ea1m vi s\u00f3ng wifi v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i. C\u00e1c \u0111i\u1ec3m truy c\u1eadp k\u1ebft n\u1ed1i v\u1edbi nhau th\u00f4ng qua m\u1ea1ng mesh, t\u1ea1o m\u1ed9t m\u1ea1ng wifi li\u1ec1n m\u1ea1ch. H\u1ec7 th\u1ed1ng wifi mesh th\u00edch h\u1ee3p cho c\u00e1c m\u00f4i tr\u01b0\u1eddng l\u1edbn ho\u1eb7c c\u00f3 nhi\u1ec1u t\u1ea7ng, n\u01a1i s\u00f3ng wifi kh\u00f4ng th\u1ec3 ph\u1ee7 to\u00e0n b\u1ed9 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 b\u1eb1ng m\u1ed9t Access Point duy nh\u1ea5t.<\/span><\/p>\n<h3><span id=\"43_He_thong_wifi_marketing\"><b>4.3\/ H\u1ec7 th\u1ed1ng wifi marketing<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng wifi marketing k\u1ebft h\u1ee3p gi\u1eefa vi\u1ec7c cung c\u1ea5p d\u1ecbch v\u1ee5 wifi v\u00e0 marketing. Ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o m\u1ea1ng wifi b\u1eb1ng c\u00e1ch cung c\u1ea5p th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c qua x\u00e1c th\u1ef1c x\u00e3 h\u1ed9i v\u00e0 sau \u0111\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng \u0111i\u1ec7p ti\u1ebfp th\u1ecb ho\u1eb7c qu\u1ea3ng c\u00e1o t\u1eeb ch\u1ee7 s\u1edf h\u1eefu m\u1ea1ng wifi. H\u1ec7 th\u1ed1ng wifi marketing th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i, nh\u01b0 c\u1eeda h\u00e0ng, nh\u00e0 h\u00e0ng ho\u1eb7c trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i.<\/span><\/p>\n<h3><span id=\"44_He_thong_wifi_roaming_8211_chuyen_vung\"><b>4.4\/ H\u1ec7 th\u1ed1ng wifi roaming &#8211; chuy\u1ec3n v\u00f9ng<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng wifi roaming cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c \u0111i\u1ec3m truy c\u1eadp wifi m\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n k\u1ebft n\u1ed1i. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 duy tr\u00ec k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 li\u00ean t\u1ee5c khi di chuy\u1ec3n trong khu v\u1ef1c ph\u1ee7 s\u00f3ng wifi. H\u1ec7 th\u1ed1ng wifi roaming th\u00edch h\u1ee3p cho c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi di chuy\u1ec3n nhanh, nh\u01b0 s\u00e2n bay, kh\u00e1ch s\u1ea1n ho\u1eb7c trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i.<\/span><\/p>\n<figure id=\"attachment_1127\" aria-describedby=\"caption-attachment-1127\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1127\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/mo-rong-vung-phu-song-wifi-1024x549.jpg\" alt=\"c\u00e1ch m\u1edf r\u1ed9ng v\u00f9ng ph\u1ee7 s\u00f3ng wifi\" width=\"800\" height=\"429\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/mo-rong-vung-phu-song-wifi-1024x549.jpg 1024w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/mo-rong-vung-phu-song-wifi-300x161.jpg 300w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/mo-rong-vung-phu-song-wifi-768x412.jpg 768w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/08\/mo-rong-vung-phu-song-wifi.jpg 1398w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-1127\" class=\"wp-caption-text\">Ch\u1ecdn h\u1ec7 th\u1ed1ng m\u1ea1ng wifi ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng<\/figcaption><\/figure>\n<h2><span id=\"5_Tim_hieu_cac_chuan_ket_noi_Wifi_hien_nay\"><b>5\/ T\u00ecm hi\u1ec3u c\u00e1c chu\u1ea9n k\u1ebft n\u1ed1i Wifi hi\u1ec7n nay<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Hi\u1ec7n nay, c\u00f3 m\u1ed9t s\u1ed1 <a href=\"https:\/\/vtechsolutions.vn\/blog\/bo-dinh-tuyen-router-la-gi\/#63_Chuan_Wi-Fi\">chu\u1ea9n k\u1ebft n\u1ed1i wifi ph\u1ed5 bi\u1ebfn<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng m\u1ea1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 chu\u1ea9n k\u1ebft n\u1ed1i wifi ti\u00eau bi\u1ec3u:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">IEEE 802.11b\/g\/n: \u0110\u00e2y l\u00e0 chu\u1ea9n k\u1ebft n\u1ed1i wifi ph\u1ed5 bi\u1ebfn v\u00e0 r\u1ea5t ph\u1ed5 bi\u1ebfn trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng. Chu\u1ea9n n\u00e0y ho\u1ea1t \u0111\u1ed9ng tr\u00ean b\u0103ng t\u1ea7n 2.4 GHz v\u00e0 cung c\u1ea5p t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u l\u00ean \u0111\u1ebfn 54 Mbps (802.11g). Chu\u1ea9n 802.11n c\u1ea3i ti\u1ebfn th\u00eam v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u l\u00ean \u0111\u1ebfn 300 Mbps v\u00e0 h\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 MIMO (Multiple Input Multiple Output) \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 ph\u1ea1m vi s\u00f3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/vtechsolutions.vn\/blog\/chuan-wifi-5-la-gi\/\">IEEE 802.11a\/ac hay chu\u1ea9n k\u1ebft n\u1ed1i Wifi 5<\/a>: Chu\u1ea9n n\u00e0y ho\u1ea1t \u0111\u1ed9ng tr\u00ean b\u0103ng t\u1ea7n 5 GHz v\u00e0 cung c\u1ea5p t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n so v\u1edbi chu\u1ea9n 802.11b\/g\/n. Chu\u1ea9n 802.11a \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 l\u00ean \u0111\u1ebfn 54 Mbps, trong khi chu\u1ea9n 802.11ac (c\u00f2n g\u1ecdi l\u00e0 Wi-Fi 5) c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e1ng k\u1ec3 l\u00ean \u0111\u1ebfn h\u00e0ng tr\u0103m Mbps ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 h\u00e0ng tr\u0103m Gbps v\u1edbi c\u00f4ng ngh\u1ec7 MIMO v\u00e0 b\u0103ng th\u00f4ng r\u1ed9ng h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/vtechsolutions.vn\/blog\/chuan-wifi-6-la-gi\/\">IEEE 802.11ax hay chu\u1ea9n k\u1ebft n\u1ed1i Wifi 6<\/a>: \u0110\u00e2y l\u00e0 chu\u1ea9n k\u1ebft n\u1ed1i wifi m\u1edbi nh\u1ea5t, mang l\u1ea1i t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n, kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u1ed1t h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3. Chu\u1ea9n 802.11ax h\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 OFDMA (Orthogonal Frequency Division Multiple Access) v\u00e0 MU-MIMO (Multi-User Multiple Input Multiple Output), gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng \u0111\u1ed3ng th\u1eddi k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u1ea1ng trong m\u00f4i tr\u01b0\u1eddng t\u1ea3i cao.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">M\u1ed7i chu\u1ea9n k\u1ebft n\u1ed1i wifi c\u00f3 t\u00ednh n\u0103ng v\u00e0 hi\u1ec7u su\u1ea5t kh\u00e1c nhau, t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u v\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/span><\/p>\n<h2><span id=\"6_Nhung_luu_y_de_thiet_ke_he_thong_mang_wifi_de_co_duong_truyen_on_dinh\"><b>6\/ Nh\u1eefng l\u01b0u \u00fd \u0111\u1ec3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u1ea1ng wifi \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1eddng truy\u1ec1n \u1ed5n \u0111\u1ecbnh<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u1ea1ng wifi \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1eddng truy\u1ec1n \u1ed5n \u0111\u1ecbnh, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u01b0u \u00fd quan tr\u1ecdng:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh ph\u1ea1m vi ph\u1ee7 s\u00f3ng: X\u00e1c \u0111\u1ecbnh v\u00f9ng ph\u1ee7 s\u00f3ng wifi c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u00edn hi\u1ec7u wifi \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ebfn c\u00e1c khu v\u1ef1c quan tr\u1ecdng v\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng g\u1eb7p ph\u1ea3i s\u1ef1 gi\u00e1n \u0111o\u1ea1n trong k\u1ebft n\u1ed1i. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng v\u00e0 v\u1ecb tr\u00ed c\u00e1c \u0111i\u1ec3m truy c\u1eadp wifi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e2n nh\u1eafc c\u00f4ng su\u1ea5t s\u00f3ng: \u0110i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t ph\u00e1t s\u00f3ng wifi c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u00f3ng kh\u00f4ng qu\u00e1 m\u1ea1nh ho\u1eb7c qu\u00e1 y\u1ebfu. M\u1ed9t c\u00f4ng su\u1ea5t s\u00f3ng qu\u00e1 m\u1ea1nh c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u v\u00e0 g\u00e2y xung \u0111\u1ed9t, trong khi m\u1ed9t c\u00f4ng su\u1ea5t s\u00f3ng qu\u00e1 y\u1ebfu c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ph\u1ea1m vi ph\u1ee7 s\u00f3ng v\u00e0 hi\u1ec7u su\u1ea5t k\u1ebft n\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a b\u0103ng th\u00f4ng: Qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng wifi m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng ch\u1eadm ch\u1ea1p ho\u1eb7c gi\u1eadt lag. X\u00e1c \u0111\u1ecbnh \u01b0u ti\u00ean b\u0103ng th\u00f4ng cho c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 quan tr\u1ecdng v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u0103ng th\u00f4ng \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m: \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb v\u00e0 ph\u1ea7n m\u1ec1m c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ea1ng wifi \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u00fang \u0111\u1eafn. C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt th\u01b0\u1eddng cung c\u1ea5p c\u00e1c b\u1ea3n v\u00e1 l\u1ed7i, t\u0103ng c\u01b0\u1eddng t\u00ednh n\u0103ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ecbnh v\u1ecb thi\u1ebft b\u1ecb: X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u00fd t\u01b0\u1edfng \u0111\u1ec3 \u0111\u1eb7t router v\u00e0 Access Point, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed trung t\u00e2m v\u00e0 c\u00f3 m\u1ed9t kho\u1ea3ng c\u00e1ch ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a ph\u1ea1m vi ph\u1ee7 s\u00f3ng. Tr\u00e1nh \u0111\u1eb7t ch\u00fang g\u1ea7n c\u00e1c ngu\u1ed3n nhi\u1ec5u nh\u01b0 \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng d\u00e2y, l\u00f2 vi s\u00f3ng, t\u01b0\u1eddng d\u00e0y, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u s\u00f3ng wifi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u00e1nh gi\u00e1 v\u00e0 qu\u1ea3n l\u00fd t\u01b0\u01a1ng t\u00e1c s\u00f3ng: \u0110\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 xung \u0111\u1ed9t s\u00f3ng gi\u1eefa c\u00e1c \u0111i\u1ec3m truy c\u1eadp wifi trong m\u1ed9t khu v\u1ef1c overlap. Th\u1ef1c hi\u1ec7n \u0111\u00e1nh gi\u00e1 v\u00e0 qu\u1ea3n l\u00fd t\u01b0\u01a1ng t\u00e1c s\u00f3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c \u0111i\u1ec3m truy c\u1eadp kh\u00f4ng g\u00e2y can thi\u1ec7p l\u1eabn nhau v\u00e0 t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c thi\u1ebft k\u1ebf m\u1ed9t <\/span><b>h\u1ec7 th\u1ed1ng m\u1ea1ng wifi <\/b><span style=\"font-weight: 400;\">\u0111\u1ec3 c\u00f3 \u0111\u01b0\u1eddng truy\u1ec1n \u1ed5n \u0111\u1ecbnh \u0111\u00f2i h\u1ecfi s\u1ef1 c\u00e2n nh\u1eafc v\u00e0 ch\u00fa \u00fd \u0111\u1ebfn nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau. T\u1eeb vi\u1ec7c x\u00e1c \u0111\u1ecbnh nhu c\u1ea7u v\u00e0 y\u00eau c\u1ea7u, l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p, \u0111\u1ecbnh v\u1ecb v\u00e0 c\u1ea5u h\u00ecnh ch\u00fang, \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd t\u01b0\u01a1ng t\u00e1c s\u00f3ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a b\u0103ng th\u00f4ng, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u00f3ng g\u00f3p v\u00e0o vi\u1ec7c \u0111\u1ea3m b\u1ea3o m\u1ed9t m\u1ea1ng wifi \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<h2><span id=\"7_Cac_buoc_lap_dat_he_thong_mang_wifi\"><b>7\/ C\u00e1c b\u01b0\u1edbc l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng m\u1ea1ng wifi<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n \u0111\u1ec3 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng m\u1ea1ng wifi:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh nhu c\u1ea7u v\u00e0 y\u00eau c\u1ea7u: \u0110\u1ea7u ti\u00ean, x\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau v\u00e0 y\u00eau c\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ea1ng wifi, bao g\u1ed3m ph\u1ea1m vi ph\u1ee7 s\u00f3ng, s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i, b\u0103ng th\u00f4ng y\u00eau c\u1ea7u v\u00e0 y\u00eau c\u1ea7u b\u1ea3o m\u1eadt. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap x\u00e1c \u0111\u1ecbnh c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p v\u00e0 thi\u1ebft k\u1ebf m\u1ea1ng wifi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh m\u1ea1ng wifi: S\u1eed d\u1ee5ng giao di\u1ec7n qu\u1ea3n tr\u1ecb c\u1ee7a router ho\u1eb7c Access Point \u0111\u1ec3 c\u1ea5u h\u00ecnh m\u1ea1ng wifi. \u0110\u1eb7t t\u00ean m\u1ea1ng (SSID), thi\u1ebft l\u1eadp m\u1eadt kh\u1ea9u, x\u00e1c \u0111\u1ecbnh c\u00e1c thi\u1ebft l\u1eadp b\u1ea3o m\u1eadt nh\u01b0 m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 gi\u1edbi h\u1ea1n truy c\u1eadp. \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea5u h\u00ecnh \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u b\u1ea3o m\u1eadt v\u00e0 cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh: Sau khi c\u00e0i \u0111\u1eb7t, th\u1ef1c hi\u1ec7n ki\u1ec3m tra m\u1ea1ng wifi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u00f3ng wifi ph\u1ee7 \u0111\u1ea7y \u0111\u1ee7 v\u00e0 k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed v\u00e0 c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb n\u1ebfu c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee7 s\u00f3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt m\u1ea1ng wifi: \u00c1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt nh\u01b0 s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1ng m\u1ea1nh, k\u00edch ho\u1ea1t m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt th\u01b0\u1eddng xuy\u00ean. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea3o v\u1ec7 m\u1ea1ng wifi kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt v\u00e0 truy c\u1eadp tr\u00e1i ph\u00e9p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb: D\u1ef1a tr\u00ean y\u00eau c\u1ea7u v\u00e0 nhu c\u1ea7u, ch\u1ecdn c\u00e1c thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p nh\u01b0 router, Access Point, anten v\u00e0 c\u00e1p m\u1ea1ng. \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn t\u01b0\u01a1ng th\u00edch v\u1edbi nhau v\u00e0 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 c\u00e0i \u0111\u1eb7t thi\u1ebft b\u1ecb: X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 router v\u00e0 Access Point \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u1ee7 s\u00f3ng wifi t\u1ed1i \u01b0u v\u00e0 tr\u00e1nh s\u1ef1 can thi\u1ec7p. C\u00e0i \u0111\u1eb7t thi\u1ebft b\u1ecb theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">L\u01b0u \u00fd r\u1eb1ng qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t<\/span><b> h\u1ec7 th\u1ed1ng m\u1ea1ng wifi<\/b><span style=\"font-weight: 400;\"> c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 y\u00eau c\u1ea7u ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt. Trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u00f3 k\u1ef9 n\u0103ng v\u00e0 ki\u1ebfn th\u1ee9c c\u1ea7n thi\u1ebft, n\u00ean t\u00ecm s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb c\u00e1c chuy\u00ean gia ho\u1eb7c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 chuy\u00ean nghi\u1ec7p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1eafp \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh m\u1ea1ng wifi m\u1ed9t c\u00e1ch \u0111\u00fang \u0111\u1eafn.<\/span><\/p>\n<p><strong>&gt;&gt;&gt; Tham kh\u1ea3o th\u00eam:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/vtechsolutions.vn\/blog\/giai-phap-mang-wifi-cho-doanh-nghiep\/\">Gi\u1ea3i ph\u00e1p m\u1ea1ng wifi cho doanh nghi\u1ec7p an to\u00e0n, ti\u1ebft ki\u1ec7m<\/a><\/li>\n<li><a href=\"https:\/\/vtechsolutions.vn\/blog\/he-thong-mang-noi-bo-la-gi\/\">H\u1ec7 th\u1ed1ng m\u1ea1ng n\u1ed9i b\u1ed9 l\u00e0 g\u00ec? Nh\u1eefng quy t\u1eafc b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng m\u1ea1ng n\u1ed9i b\u1ed9 doanh nghi\u1ec7p<\/a><\/li>\n<li><a href=\"https:\/\/vtechsolutions.vn\/blog\/bo-dinh-tuyen-router-la-gi\/\">B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Router l\u00e0 g\u00ec? Nh\u1eefng l\u01b0u \u00fd khi ch\u1ecdn mua Router<\/a><\/li>\n<li><a href=\"https:\/\/vtechsolutions.vn\/blog\/he-thong-mang-may-tinh-la-gi\/\">H\u1ec7 th\u1ed1ng m\u1ea1ng m\u00e1y t\u00ednh l\u00e0 g\u00ec? V\u00ec sao c\u1ea7n x\u00e2y d\u1ef1ng m\u1ea1ng m\u00e1y t\u00ednh?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>H\u1ec7 th\u1ed1ng m\u1ea1ng wifi li\u00ean k\u1ebft ch\u00fang ta v\u1edbi th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1. \u0110\u1eb1ng sau s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 kh\u1ea3 n\u0103ng truy c\u1eadp kh\u00f4ng gi\u1edbi h\u1ea1n n\u00e0y, c\u00e2u h\u1ecfi<\/p>\n","protected":false},"author":1,"featured_media":1127,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[181],"tags":[],"class_list":["post-1076","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-he-thong-thiet-bi-mang"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y l\u00e0 g\u00ec? L\u01b0u \u00fd thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng Wifi<\/title>\n<meta name=\"description\" content=\"H\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y (Wireless Local Area Network) l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i m\u1ea1ng gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed trong m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vtechsolutions.vn\/blog\/he-thong-mang-wifi-khong-day-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ec7 th\u1ed1ng m\u1ea1ng wifi kh\u00f4ng d\u00e2y l\u00e0 g\u00ec? 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