{"id":3958,"date":"2025-09-20T11:12:00","date_gmt":"2025-09-20T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-ofdma-role-modern-connectivity-wifi-5g-networks\/"},"modified":"2026-06-22T09:05:19","modified_gmt":"2026-06-22T09:05:19","slug":"what-is-ofdma-role-modern-connectivity-wifi-5g-networks","status":"publish","type":"post","link":"https:\/\/resources.l-p.com\/vi\/glossary\/what-is-ofdma-role-modern-connectivity-wifi-5g-networks","title":{"rendered":"Gi\u1ea3i th\u00edch OFDMA: Th\u00e0nh ph\u1ea7n b\u00ed m\u1eadt \u0111\u1eb1ng sau Wi-Fi 6 v\u00e0 5G si\u00eau nhanh"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1312\" height=\"736\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/1e1c3947e4a4448e8ece8895a01a7495.webp\" alt=\"What is OFDMA and Its Role in Modern Connectivity\" class=\"wp-image-3956\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/1e1c3947e4a4448e8ece8895a01a7495.webp 1312w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/1e1c3947e4a4448e8ece8895a01a7495-300x168.webp 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/1e1c3947e4a4448e8ece8895a01a7495-1024x574.webp 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/1e1c3947e4a4448e8ece8895a01a7495-768x431.webp 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/1e1c3947e4a4448e8ece8895a01a7495-18x10.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ec7t m\u1ecfi v\u00ec hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ec7m (buffering), cu\u1ed9c g\u1ecdi video b\u1ecb gi\u1eadt v\u00e0 m\u1ea1ng gia \u0111\u00ecnh qu\u00e1 t\u1ea3i? Cu\u1ed9c c\u00e1ch m\u1ea1ng b\u1ea1n \u0111\u00e3 ch\u1edd \u0111\u1ee3i nay \u0111\u00e3 c\u00f3 m\u1eb7t, \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi m\u1ed9t c\u00f4ng ngh\u1ec7 chuy\u1ec3n \u0111\u1ed5i mang t\u00ean <strong>OFDMA (Truy c\u1eadp \u0111a ng\u01b0\u1eddi d\u00f9ng ph\u00e2n chia t\u1ea7n s\u1ed1 tr\u1ef1c giao)<\/strong>. \u0110\u00e2y l\u00e0 \u201canh h\u00f9ng th\u1ea7m l\u1eb7ng\u201d \u0111\u1ee9ng sau c\u00e1c ti\u00eau chu\u1ea9n m\u1edbi nh\u1ea5t <strong>Wi-Fi 6 v\u00e0 5G<\/strong> , \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd th\u1ebf gi\u1edbi kh\u00e1t d\u1eef li\u1ec7u c\u1ee7a ch\u00fang ta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ch\u00fang ta s\u1ebd l\u00e0m r\u00f5 OFDMA l\u00e0 g\u00ec, c\u00e1ch n\u00f3 t\u0103ng t\u1ed1c m\u1ea1ng c\u1ee7a b\u1ea1n, v\u00e0 l\u00fd do c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng h\u1ed7 tr\u1ee3 n\u00f3\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>module quang<br><\/strong><\/a>\u2014l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 khai th\u00e1c t\u1ed1i \u0111a ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 OFDMA l\u00e0 g\u00ec? V\u01b0\u1ee3t xa OFDM c\u01a1 b\u1ea3n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc ti\u00ean, h\u00e3y l\u00e0m r\u00f5 m\u1ed9t s\u1ef1 nh\u1ea7m l\u1eabn ph\u1ed5 bi\u1ebfn. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e3 nghe \u0111\u1ebfn <strong>OFDM<\/strong> (\u0110a truy nh\u1eadp ph\u00e2n chia t\u1ea7n s\u1ed1 tr\u1ef1c giao), m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1eb1m chia m\u1ed9t k\u00eanh th\u00e0nh nhi\u1ec1u ti\u1ec3u s\u00f3ng con \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u. C\u00f4ng ngh\u1ec7 n\u00e0y hi\u1ec7u qu\u1ea3 nh\u01b0ng c\u00f3 m\u1ed9t h\u1ea1n ch\u1ebf quan tr\u1ecdng: tr\u00ean m\u1ed9t k\u00eanh, n\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OFDMA l\u00e0 ng\u01b0\u1eddi k\u1ebf nhi\u1ec7m th\u00f4ng minh v\u00e0 \u0111a nhi\u1ec7m h\u01a1n c\u1ee7a OFDM.<\/strong> Ch\u1eef \u201cMA\u201d vi\u1ebft t\u1eaft c\u1ee7a <strong>\u0110a truy nh\u1eadp<\/strong>. N\u00f3 \u00e1p d\u1ee5ng c\u00f9ng nguy\u00ean l\u00fd v\u1ec1 c\u00e1c ti\u1ec3u s\u00f3ng con nh\u01b0ng cho ph\u00e9p chia nh\u1ecf m\u1ed9t k\u00eanh duy nh\u1ea5t \u0111\u1ec3 giao ti\u1ebfp \u0111\u1ed3ng th\u1eddi v\u1edbi <em>nhi\u1ec1u thi\u1ebft b\u1ecb<\/em>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y h\u00ecnh dung nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>OFDM gi\u1ed1ng m\u1ed9t chi\u1ebfc xe t\u1ea3i kh\u1ed5ng l\u1ed3:<\/strong> Giao m\u1ed9t g\u00f3i h\u00e0ng c\u1ef1c l\u1edbn t\u1edbi m\u1ed9t \u0111\u1ecba ch\u1ec9 duy nh\u1ea5t. C\u00e1c g\u00f3i h\u00e0ng kh\u00e1c ph\u1ea3i ch\u1edd l\u01b0\u1ee3t, ngay c\u1ea3 khi xe ch\u01b0a ch\u1edf \u0111\u1ea7y.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>OFDMA gi\u1ed1ng m\u1ed9t \u0111\u1ed9i xe th\u00f4ng minh:<\/strong> N\u00f3 \u0111\u00f3ng g\u00f3i nhi\u1ec1u g\u00f3i h\u00e0ng nh\u1ecf h\u01a1n (d\u1eef li\u1ec7u d\u00e0nh cho c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau) v\u00e0o c\u00f9ng m\u1ed9t chuy\u1ebfn ch\u1edf h\u00e0ng, giao t\u1ea5t c\u1ea3 c\u00f9ng l\u00fac t\u1edbi nhi\u1ec1u \u0111\u1ecba ch\u1ec9. Kh\u00f4ng l\u00e3ng ph\u00ed kh\u00f4ng gian, kh\u00f4ng ph\u1ea3i ch\u1edd \u0111\u1ee3i.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 OFDMA ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00ed m\u1eadt c\u1ee7a c\u00e1c \u0110\u01a1n v\u1ecb t\u00e0i nguy\u00ean (RUs)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OFDMA \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u k\u1ef3 di\u1ec7u n\u00e0y b\u1eb1ng c\u00e1ch nh\u00f3m c\u00e1c ti\u1ec3u s\u00f3ng con th\u00e0nh nh\u1eefng \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n g\u1ecdi l\u00e0 <strong>\u0110\u01a1n v\u1ecb t\u00e0i nguy\u00ean (RUs)<\/strong>. M\u1ed9t \u0111i\u1ec3m truy c\u1eadp (AP) ho\u1eb7c tr\u1ea1m g\u1ed1c c\u00f3 th\u1ec3 g\u00e1n c\u00e1c RU kh\u00e1c nhau cho c\u00e1c ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau trong c\u00f9ng m\u1ed9t c\u1eeda s\u1ed5 truy\u1ec1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 \u0111\u1ed1i v\u1edbi <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/link-pp-solutions-for-iot-systems\/\"><strong>Internet v\u1ea1n v\u1eadt (IoT)<\/strong><\/a> m\u00f4i tr\u01b0\u1eddng. B\u1ed9 \u0111i\u1ec1u nhi\u1ec7t th\u00f4ng minh, m\u00e1y t\u00ednh x\u00e1ch tay c\u1ee7a b\u1ea1n \u0111ang th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi Zoom v\u00e0 TV 4K \u0111ang ph\u00e1t tr\u1ef1c tuy\u1ebfn Netflix \u0111\u1ec1u c\u00f3 th\u1ec3 nh\u1eadn d\u1eef li\u1ec7u trong c\u00f9ng m\u1ed9t kho\u1ea3nh kh\u1eafc truy\u1ec1n, thay v\u00ec ph\u1ea3i x\u1ebfp h\u00e0ng ch\u1edd \u0111\u1ee3i. \u0110i\u1ec1u n\u00e0y gi\u1ea3m m\u1ea1nh <strong>\u0111\u1ed9 tr\u1ec5<\/strong> and <strong>c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u1ea1ng<\/strong> trong c\u00e1c t\u00ecnh hu\u1ed1ng m\u1eadt \u0111\u1ed9 cao.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1312\" height=\"901\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a6632ad6bcd8408dad48c224c2484442.webp\" alt=\"OFDMA\" class=\"wp-image-3957\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a6632ad6bcd8408dad48c224c2484442.webp 1312w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a6632ad6bcd8408dad48c224c2484442-300x206.webp 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a6632ad6bcd8408dad48c224c2484442-1024x703.webp 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a6632ad6bcd8408dad48c224c2484442-768x527.webp 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a6632ad6bcd8408dad48c224c2484442-18x12.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 So s\u00e1nh nhanh OFDMA v\u00e0 OFDM<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>OFDM (Th\u1ebf h\u1ec7 c\u0169)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>OFDMA (Ti\u00eau chu\u1ea9n m\u1edbi)<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Truy nh\u1eadp ng\u01b0\u1eddi d\u00f9ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ed9t ng\u01b0\u1eddi d\u00f9ng tr\u00ean m\u1ed7i k\u00eanh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng tr\u00ean m\u1ed7i k\u00eanh<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Hi\u1ec7u qu\u1ea3<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p \u2013 C\u00f3 th\u1ec3 g\u00e2y l\u00e3ng ph\u00ed b\u0103ng th\u00f4ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>R\u1ea5t cao<\/strong> \u2013 T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 Tr\u1ec5<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao \u2013 C\u00e1c thi\u1ebft b\u1ecb ph\u1ea3i ch\u1edd l\u01b0\u1ee3t<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Lower<\/strong> \u2013 Truy\u1ec1n \u0111\u1ed3ng th\u1eddi<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u00f2ng d\u1eef li\u1ec7u l\u1edbn, \u0111\u01a1n l\u1ebb<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>M\u00f4i tr\u01b0\u1eddng m\u1eadt \u0111\u1ed9 cao<\/strong> v\u1edbi nhi\u1ec1u g\u00f3i d\u1eef li\u1ec7u nh\u1ecf<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u1ee8ng d\u1ee5ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c ti\u00eau chu\u1ea9n Wi-Fi c\u0169 h\u01a1n (ac, n)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Wi-Fi 6 (802.11ax)<\/strong>, <strong>M\u1ea1ng 5G<\/strong><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>L\u1ee3i \u00edch c\u1ee5 th\u1ec3: V\u00ec sao b\u1ea1n n\u00ean quan t\u00e2m<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n:<br><\/strong> Ho\u00e0n h\u1ea3o cho tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn, th\u1ef1c t\u1ebf \u1ea3o (VR) v\u00e0 h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u su\u1ea5t cao h\u01a1n:<\/strong> Truy\u1ec1n \u0111\u01b0\u1ee3c nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n qua c\u00f9ng m\u1ed9t d\u1ea3i ph\u1ed5 v\u00f4 tuy\u1ebfn.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>N\u0103ng l\u1ef1c n\u00e2ng cao:<\/strong> H\u1ed7 tr\u1ee3 nhi\u1ec1u thi\u1ebft b\u1ecb h\u01a1n tr\u00ean m\u1ed9t m\u1ea1ng duy nh\u1ea5t m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm l\u1ea1i.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f4ng \u0111\u00fac:<\/strong> H\u00e3y t\u1ea1m bi\u1ec7t Wi-Fi t\u1ec7 h\u1ea1i t\u1ea1i s\u00e2n bay v\u00e0 s\u00e2n v\u1eadn \u0111\u1ed9ng.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 N\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i c\u1ee7a OFDMA: Thi\u1ebft b\u1ecb m\u1ea1ng v\u00e0 module quang h\u1ecdc<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 OFDMA th\u1ef1c hi\u1ec7n \u0111\u00fang l\u1eddi h\u1ee9a c\u1ee7a m\u00ecnh \u1edf l\u00f5i m\u1ea1ng, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng n\u1ec1n t\u1ea3ng ph\u1ea3i th\u1eadt v\u1eefng ch\u1eafc. \u0110\u00e2y l\u00e0 l\u00fac c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao v\u00e0, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng, <strong>c\u00f4ng ngh\u1ec7 s\u1ee3i quang<\/strong> ph\u00e1t huy vai tr\u00f2. C\u00e1c \u0111i\u1ec3m truy c\u1eadp v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn x\u1eed l\u00fd d\u1eef li\u1ec7u, nh\u01b0ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng t\u1ed5ng th\u1ec3 th\u00f4ng qua <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng <strong>module quang<br><\/strong> l\u00e0 nh\u1eefng \u201cc\u00f4ng nh\u00e2n ch\u1ee7 l\u1ef1c\u201d chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ee7a b\u1ea1n th\u00e0nh c\u00e1c xung \u00e1nh s\u00e1ng g\u1eedi \u0111i qua c\u00e1p quang. Ch\u00fang t\u1ea1o ra c\u00e1c k\u1ebft n\u1ed1i backhaul t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 tr\u1ec5 th\u1ea5p nh\u1eb1m t\u1eadp h\u1ee3p to\u00e0n b\u1ed9 d\u1eef li\u1ec7u t\u1eeb v\u00f4 s\u1ed1 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi OFDMA. \u0110\u1ec3 th\u1ef1c s\u1ef1 khai th\u00e1c hi\u1ec7u qu\u1ea3 c\u1ee7a OFDMA tr\u00ean Wi-Fi 6, x\u01b0\u01a1ng s\u1ed1ng m\u1ea1ng c\u1ee7a b\u1ea1n ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>L\u00e0m ch\u1ee7 m\u1ea1ng OFDMA c\u1ee7a b\u1ea1n v\u1edbi module quang h\u1ecdc LINK-PP<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t quang ph\u00f9 h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. M\u1ed9t \u0111i\u1ec3m ngh\u1ebdn t\u1ea1i k\u1ebft n\u1ed1i c\u00e1p quang c\u00f3 th\u1ec3 tri\u1ec7t ti\u00eau to\u00e0n b\u1ed9 l\u1ee3i \u00edch do OFDMA mang l\u1ea1i \u1edf c\u1ea5p \u0111\u1ed9 kh\u00f4ng d\u00e2y. \u0110\u00e2y l\u00e0 l\u00fac ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch tr\u1edf th\u00e0nh y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>, nh\u00e0 ti\u00ean phong trong l\u0129nh v\u1ef1c <strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao<\/strong>, hi\u1ec7u su\u1ea5t cao, cung c\u1ea5p lo\u1ea1t s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh ri\u00eang cho c\u00e1c m\u1ea1ng th\u1ebf h\u1ec7 m\u1edbi. \u0110\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec3m truy c\u1eadp Wi-Fi 6 v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch t\u1eadp h\u1ee3p d\u00e0nh cho doanh nghi\u1ec7p, m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady v\u00e0 t\u01b0\u01a1ng th\u00edch cao l\u00e0 <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>SFP-10G-SR<br><\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Module n\u00e0y h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u l\u00ean t\u1edbi 10 Gbps tr\u00ean <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\"><strong>c\u00e1p quang \u0111a mode<\/strong><\/a>, cung c\u1ea5p b\u0103ng th\u00f4ng d\u01b0 d\u1ea3 \u0111\u1ec3 x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng t\u1ed5ng h\u1ee3p t\u1eeb nhi\u1ec1u \u0111i\u1ec3m truy c\u1eadp (AP) \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi OFDMA. Nh\u1edd \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i backhaul c\u00e1p quang li\u1ec1n m\u1ea1ch v\u00e0 c\u00f3 dung l\u01b0\u1ee3ng cao, <strong>module quang h\u1ecdc LINK-PP<\/strong> ng\u0103n ch\u1eb7n c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u00e0 gi\u00fap c\u00e1c l\u1ee3i \u00edch \u0111\u1ed9 tr\u1ec5 th\u1ea5p c\u1ee7a OFDMA \u0111\u01b0\u1ee3c ph\u00e1t huy t\u1ed1i \u0111a, t\u1eeb l\u00f5i m\u1ea1ng \u0111\u1ebfn thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i. Khi l\u1eadp k\u1ebf ho\u1ea1ch tri\u1ec3n khai <strong>m\u1ea1ng kh\u00f4ng d\u00e2y m\u1eadt \u0111\u1ed9 cao<\/strong>, vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 <strong>b\u1ed9 thu ph\u00e1t quang t\u01b0\u01a1ng th\u00edch cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng Wi-Fi 6<\/strong> l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh th\u00e0nh c\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 K\u1ebft lu\u1eadn: T\u01b0\u01a1ng lai thu\u1ed9c v\u1ec1 m\u00f4 h\u00ecnh \u0111a ng\u01b0\u1eddi d\u00f9ng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OFDMA<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t n\u00e2ng c\u1ea5p t\u1eebng b\u01b0\u1edbc; \u0111\u00e2y l\u00e0 m\u1ed9t b\u01b0\u1edbc chuy\u1ec3n c\u0103n b\u1ea3n trong c\u00e1ch ch\u00fang ta chia s\u1ebb ph\u1ed5 t\u1ea7n kh\u00f4ng d\u00e2y. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 then ch\u1ed1t gi\u00fap <strong>Wi-Fi 6 v\u00e0 5G<\/strong> c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng nhu c\u1ea7u k\u1ebft n\u1ed1i ng\u00e0y c\u00e0ng gia t\u0103ng c\u1ee7a hi\u1ec7n t\u1ea1i v\u00e0 t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee7a n\u00f3 v\u00e0 \u0111\u1ea3m b\u1ea3o to\u00e0n b\u1ed9 ng\u0103n x\u1ebfp m\u1ea1ng c\u1ee7a b\u1ea1n\u2014t\u1eeb giao di\u1ec7n kh\u00f4ng d\u00e2y \u0111\u1ebfn <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/optics-transceivers\"><strong>s\u1ee3i quang hi\u1ec7u su\u1ea5t cao<\/strong><\/a>\u2014\u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng nhanh h\u01a1n, ph\u1ea3n h\u1ed3i nhanh h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eb5n s\u00e0ng n\u00e2ng c\u1ea5p m\u1ea1ng c\u1ee7a b\u1ea1n l\u00ean chu\u1ea9n t\u01b0\u01a1ng lai v\u00e0 khai th\u00e1c to\u00e0n b\u1ed9 s\u1ee9c m\u1ea1nh c\u1ee7a OFDMA?<\/strong> \ud83d\ude80<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u00e1m ph\u00e1 lo\u1ea1t b\u1ed9 thu ph\u00e1t quang hi\u1ec7u su\u1ea5t cao t\u01b0\u01a1ng th\u00edch v\u1edbi Wi-Fi 6 c\u1ee7a ch\u00fang t\u00f4i<\/strong> v\u00e0 \u0111\u1ea3m b\u1ea3o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 \u0111i\u1ec3m y\u1ebfu n\u00e0o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ch\u1ea5t l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u00e1ng tin c\u1eady cho c\u1ea3 \u1ee9ng d\u1ee5ng Ethernet v\u00e0 OTN. <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>Duy\u1ec7t ngay c\u00e1c M\u00f4-\u0111un Quang LINK-PP!<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >OFDMA l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OFDMA l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Truy c\u1eadp \u0110a \u0111i\u1ec3m Ph\u00e2n chia T\u1ea7n s\u1ed1 Tr\u1ef1c giao. B\u1ea1n s\u1ebd b\u1eaft g\u1eb7p t\u00ean g\u1ecdi n\u00e0y khi t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c m\u1ea1ng kh\u00f4ng d\u00e2y m\u1edbi nh\u01b0 Wi-Fi 6 v\u00e0 5G.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec1u g\u00ec khi\u1ebfn OFDMA kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00f4ng d\u00e2y c\u0169 h\u01a1n?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OFDMA cho ph\u00e9p nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng g\u1eedi v\u00e0 nh\u1eadn d\u1eef li\u1ec7u \u0111\u1ed3ng th\u1eddi. C\u00e1c c\u00f4ng ngh\u1ec7 c\u0169 bu\u1ed9c b\u1ea1n ph\u1ea3i ch\u1edd \u0111\u1ebfn l\u01b0\u1ee3t m\u00ecnh. V\u1edbi OFDMA, b\u1ea1n \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n v\u00e0 \u00edt ph\u1ea3i ch\u1edd \u0111\u1ee3i h\u01a1n.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>M\u1eb9o: OFDMA gi\u00fap m\u1ea1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 ngay c\u1ea3 khi c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0o hi\u1ec7n \u0111ang s\u1eed d\u1ee5ng OFDMA?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n s\u1ebd t\u00ecm th\u1ea5y OFDMA trong c\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Wi-Fi 6, \u0111i\u1ec7n tho\u1ea1i 5G v\u00e0 c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh trong nh\u00e0. Nhi\u1ec1u thi\u1ebft b\u1ecb m\u1edbi s\u1eed d\u1ee5ng OFDMA \u0111\u1ec3 mang l\u1ea1i k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y m\u1ea1nh m\u1ebd v\u00e0 nhanh ch\u00f3ng h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >OFDMA c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0o cho b\u1ea1n?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OFDMA kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng ch\u1eadm v\u00e0 gi\u1eadt lag khi nhi\u1ec1u ng\u01b0\u1eddi c\u00f9ng s\u1eed d\u1ee5ng m\u1ed9t m\u1ea1ng. Nh\u1edd OFDMA, b\u1ea1n s\u1ebd c\u00f3 tr\u1ea3i nghi\u1ec7m ph\u00e1t tr\u1ef1c tuy\u1ebfn m\u01b0\u1ee3t m\u00e0 h\u01a1n, t\u1ea3i xu\u1ed1ng nhanh h\u01a1n v\u00e0 ch\u01a1i game t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>V\u1ea5n \u0111\u1ec1<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Gi\u1ea3i ph\u00e1p OFDMA<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Wi-Fi ch\u1eadm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i nhanh h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Gi\u1eadt lag khi ch\u01a1i game<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng gia \u0111\u00ecnh qu\u00e1 t\u1ea3i<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1ed7 tr\u1ee3 nhi\u1ec1u thi\u1ebft b\u1ecb h\u01a1n<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>OFDMA l\u00e0 g\u00ec? OFDMA cho ph\u00e9p nhi\u1ec1u thi\u1ebft b\u1ecb chia s\u1ebb c\u00e1c k\u00eanh Wi-Fi v\u00e0 5G, n\u00e2ng cao t\u1ed1c \u0111\u1ed9, hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p>","protected":false},"author":1,"featured_media":3956,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-3958","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/3958","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/comments?post=3958"}],"version-history":[{"count":4,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/3958\/revisions"}],"predecessor-version":[{"id":11372,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/3958\/revisions\/11372"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media\/3956"}],"wp:attachment":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media?parent=3958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/categories?post=3958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/tags?post=3958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}