{"id":8382,"date":"2023-10-17T16:02:20","date_gmt":"2023-10-17T09:02:20","guid":{"rendered":"https:\/\/vacif.com\/?p=8382"},"modified":"2023-10-17T16:02:20","modified_gmt":"2023-10-17T09:02:20","slug":"wi-fi-7-dot-pha-toc-do-va-hieu-suat-mang","status":"publish","type":"post","link":"https:\/\/vacif.com\/en\/wi-fi-7-dot-pha-toc-do-va-hieu-suat-mang\/","title":{"rendered":"WI-FI 7: \u0110\u1ed8T PH\u00c1 T\u1ed0C \u0110\u1ed8 V\u00c0 HI\u1ec6U SU\u1ea4T M\u1ea0NG"},"content":{"rendered":"\n

T\u1ed5ng quan :<\/strong><\/p>\n\n\n\n

Wi-Fi 7, m\u1ed9t trong nh\u1eefng c\u1ed9t m\u1ed1c quan tr\u1ecdng trong ph\u00e1t tri\u1ec3n c\u1ee7a m\u1ea1ng Wi-Fi kh\u00f4ng d\u00e2y, \u0111\u00e3 mang \u0111\u1ebfn m\u1ed9t lo\u1ea1t c\u00e1c c\u1ea3i ti\u1ebfn v\u00e0 t\u00ednh n\u0103ng m\u1edbi m\u00e0 kh\u00f4ng ch\u1ec9 t\u0103ng c\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i, m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n bao gi\u1edd h\u1ebft. V\u1edbi vi\u1ec7c ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 m\u1ea1ng kh\u00f4ng d\u00e2y, Wi-Fi 7 \u0111\u00e3 \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho nh\u1eefng cu\u1ed9c k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y t\u1ed1t h\u01a1n v\u00e0 m\u1ea1ng th\u00f4ng tin t\u1ed1c \u0111\u1ed9 cao h\u01a1n. Trong \u0111o\u1ea1n ti\u1ebfp theo, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 c\u1ea3i ti\u1ebfn ch\u00ednh c\u1ee7a Wi-Fi 7, c\u00f9ng v\u1edbi c\u00e1ch n\u00f3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn cu\u1ed9c s\u1ed1ng v\u00e0 c\u00f4ng vi\u1ec7c c\u1ee7a ch\u00fang ta trong th\u1eddi \u0111\u1ea1i k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y ng\u00e0y c\u00e0ng quan tr\u1ecdng.<\/p>\n\n\n\n

M\u1ee5c l\u1ee5c :<\/strong><\/p>\n\n\n\n

1. S\u01a1 l\u01b0\u1ee3c kh\u00e1i ni\u1ec7m Wi-Fi 7<\/strong><\/p>\n\n\n\n

2. S\u1ef1 kh\u00e1c bi\u1ec7t hi\u1ec7u n\u0103ng Wi-Fi 6 v\u00e0 Wi-Fi 7<\/strong><\/p>\n\n\n\n

3. T\u00ednh n\u0103ng m\u1edbi c\u1ee7a Wi-Fi 7 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nh\u1eefng g\u00ec<\/strong><\/p>\n\n\n\n

4. T\u00ednh n\u0103ng m\u1edbi v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a Wi-Fi 7<\/strong><\/p>\n\n\n\n

N\u1ed9i dung b\u00e0i vi\u1ebft :<\/strong><\/p>\n\n\n\n

1. S\u01a1 l\u01b0\u1ee3c kh\u00e1i ni\u1ec7m Wi-Fi 7<\/strong><\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

Wi-Fi 7 (Wi-Fi 7) l\u00e0 ti\u00eau chu\u1ea9n Wi-Fi th\u1ebf h\u1ec7 ti\u1ebfp theo, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 IEEE 802.11be ho\u1eb7c “extremely high throughput” (EHT).<\/p>\n\n\n\n

Wi-Fi 7, \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean c\u01a1 s\u1edf c\u1ee7a Wi-Fi 6, \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng nhi\u1ec1u c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn nh\u01b0 b\u0103ng th\u00f4ng 320 MHz, 4096-QAM (Quadrature Amplitude Modulation), t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c chia s\u1ebb t\u00e0i nguy\u00ean (RU), ho\u1ea1t \u0111\u1ed9ng \u0111a li\u00ean k\u1ebft (MLO), c\u1ea3i ti\u1ebfn c\u00f4ng ngh\u1ec7 MU-MIMO (Multiple-Input, Multiple-Output) , v\u00e0 ph\u1ed1i h\u1ee3p gi\u1eefa nhi\u1ec1u \u0111i\u1ec3m truy c\u1eadp (AP). Nh\u1edd s\u1eed d\u1ee5ng nh\u1eefng c\u1ea3i ti\u1ebfn n\u00e0y, Wi-Fi 7 mang l\u1ea1i t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n so v\u1edbi Wi-Fi 6. D\u1ef1 ki\u1ebfn r\u1eb1ng Wi-Fi 7 s\u1ebd h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 th\u00f4ng l\u01b0\u1ee3ng l\u00ean \u0111\u1ebfn 30 Gbps, kho\u1ea3ng ba l\u1ea7n so v\u1edbi Wi-Fi 6.<\/p>\n\n\n\n

2. S\u1ef1 kh\u00e1c bi\u1ec7t hi\u1ec7u n\u0103ng Wi-Fi 6 v\u00e0 Wi-Fi 7<\/strong><\/p>\n\n\n\n

D\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n Wi-Fi 6, Wi-Fi 7 gi\u1edbi thi\u1ec7u nhi\u1ec1u c\u00f4ng ngh\u1ec7 m\u1edbi. Ph\u1ea7n sau \u0111\u00e2y so s\u00e1nh Wi-Fi 6 v\u00e0 Wi-Fi 7.<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

3. T\u00ednh n\u0103ng m\u1edbi c\u1ee7a Wi-Fi 7 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nh\u1eefng g\u00ec<\/strong><\/p>\n\n\n\n

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 m\u1ea1ng WLAN (Wireless Local Area Network), c\u1ea3 network gia \u0111\u00ecnh v\u00e0 doanh nghi\u1ec7p ng\u00e0y c\u00e0ng ph\u1ee5 thu\u1ed9c nhi\u1ec1u h\u01a1n v\u00e0o Wi-Fi \u0111\u1ec3 truy c\u1eadp m\u1ea1ng. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi n\u1ed5i xu\u1ea5t hi\u1ec7n v\u1edbi y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 t\u1ed1c \u0111\u1ed9 th\u00f4ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tr\u1ec5. C\u00e1c v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh c\u1ee7a nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y bao g\u1ed3m video 4K v\u00e0 8K (li\u00ean quan \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 truy\u1ec1n l\u00ean \u0111\u1ebfn 20 Gbps), th\u1ef1c t\u1ebf \u1ea3o (VR)\/th\u1ef1c t\u1ebf \u1ea3o t\u0103ng c\u01b0\u1eddng (AR), tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn (\u0111\u00f2i h\u1ecfi \u0111\u1ed9 tr\u1ec5 \u00edt h\u01a1n 5 ms), l\u00e0m vi\u1ec7c t\u1eeb xa, h\u1ecdp tr\u1ef1c tuy\u1ebfn qua video v\u00e0 t\u00ednh to\u00e1n \u0111\u00e1m m\u00e2y. \u0110\u1ed1i di\u1ec7n v\u1edbi nh\u1eefng y\u00eau c\u1ea7u cao nh\u01b0 v\u1eady, Wi-Fi 6 – ti\u00eau chu\u1ea9n Wi-Fi m\u1edbi nh\u1ea5t hi\u1ec7n nay – v\u1eabn c\u00f2n h\u1ea1n ch\u1ebf d\u00f9 \u0111\u00e3 c\u1ed1 g\u1eafng c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng trong c\u00e1c t\u00ecnh hu\u1ed1ng c\u00f3 m\u1eadt \u0111\u1ed9 cao.<\/p>\n\n\n\n

V\u00ec v\u1eady, IEEE \u0111ang chu\u1ea9n b\u1ecb ph\u00e1t h\u00e0nh m\u1ed9t b\u1ed5 sung m\u1edbi mang t\u00ean IEEE 802.11be EHT, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Wi-Fi 7.<\/p>\n\n\n\n

4. T\u00ednh n\u0103ng m\u1edbi v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a Wi-Fi 7<\/strong><\/p>\n\n\n\n

4.1 B\u0103ng th\u00f4ng l\u00ean t\u1edbi 320 MHz<\/strong><\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

Wi-Fi 7 c\u00f3 th\u1ec3 mang l\u1ea1i m\u1ee9c t\u0103ng th\u00f4ng l\u01b0\u1ee3ng l\u1edbn nh\u1edd k\u00eanh r\u1ed9ng h\u01a1n v\u00e0 m\u1ee9c t\u0103ng c\u00f4ng su\u1ea5t t\u1eeb ph\u1ed5 t\u1ea7n 6GHz. Wi-Fi 7 c\u00f3 th\u1ec3 cung c\u1ea5p t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a tr\u00ean 40 Gbps, t\u0103ng g\u1ea5p 4 l\u1ea7n so v\u1edbi Wi-Fi 6E.<\/p>\n\n\n\n

4.2 Kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i \u0111a li\u00ean k\u1ebft<\/strong><\/p>\n\n\n\n

Wi-Fi 7 gi\u1edbi thi\u1ec7u nhi\u1ec1u t\u00f9y ch\u1ecdn \u0111a li\u00ean k\u1ebft c\u00f3 th\u1ec3 t\u0103ng \u0111\u00e1ng k\u1ec3 th\u00f4ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5. T\u00f9y ch\u1ecdn \u0111a li\u00ean k\u1ebft m\u1ea1nh m\u1ebd nh\u1ea5t l\u00e0 High-Band Simultaneous Multi-Link, s\u1eed d\u1ee5ng hai b\u1ed9 ph\u00e1t Wi-Fi ho\u1ea1t \u0111\u1ed9ng c\u00f9ng m\u1ed9t l\u00fac trong c\u00e1c b\u0103ng t\u1ea7n cao (5 ho\u1eb7c 6 GHz), t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng d\u1eef li\u1ec7u t\u1ed5ng h\u1ee3p \u0111\u1ec3 cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u, ngay c\u1ea3 trong c\u00e1c khu v\u1ef1c t\u1eafc ngh\u1ebdn.<\/p>\n\n\n\n

4.3 Multi-RU<\/strong><\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

Trong Wi-Fi 6, m\u1ed7i ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u00f3 th\u1ec3 g\u1eedi ho\u1eb7c nh\u1eadn d\u1eef li\u1ec7u tr\u00ean c\u00e1c \u0111\u01a1n v\u1ecb t\u00e0i nguy\u00ean kh\u00f4ng gi\u1edbi h\u1ea1n (RUs) \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh cho h\u1ecd, \u0111i\u1ec1u n\u00e0y h\u1ea1n ch\u1ebf t\u00ednh linh ho\u1ea1t trong vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch t\u00e0i nguy\u00ean ph\u1ed5. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean ph\u1ed5, Wi-Fi 7 \u0111\u1ecbnh r\u00f5 m\u1ed9t c\u01a1 ch\u1ebf cho ph\u00e9p ph\u00e2n chia nhi\u1ec1u RUs cho m\u1ed9t ng\u01b0\u1eddi d\u00f9ng duy nh\u1ea5t. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c tri\u1ec3n khai v\u00e0 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean ph\u1ed5, ti\u00eau chu\u1ea9n \u0111\u1eb7t ra c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 vi\u1ec7c k\u1ebft h\u1ee3p RUs. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 RUs nh\u1ecf (bao g\u1ed3m \u00edt h\u01a1n 242 t\u1ea7n s\u1ed1) ch\u1ec9 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi RUs nh\u1ecf, v\u00e0 RUs l\u1edbn (bao g\u1ed3m \u00edt nh\u1ea5t 242 t\u1ea7n s\u1ed1) ch\u1ec9 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi RUs l\u1edbn. Tuy nhi\u00ean, RUs nh\u1ecf v\u00e0 RUs l\u1edbn v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p chung.<\/p>\n\n\n\n

4.4 Higher-Order 4096-QAM<\/strong><\/p>\n\n\n\n

\u0110i\u1ec1u ch\u1ebf b\u1eadc cao nh\u1ea5t \u0111\u01b0\u1ee3c Wi-Fi 6 h\u1ed7 tr\u1ee3 l\u00e0 1024-QAM, cho ph\u00e9p m\u1ed7i bi\u1ec3u t\u01b0\u1ee3ng \u0111i\u1ec1u ch\u1ebf mang t\u1ed1i \u0111a 10 bit. \u0110\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 h\u01a1n n\u1eefa, Wi-Fi 7 gi\u1edbi thi\u1ec7u 4096-QAM \u0111\u1ec3 m\u1ed7i bi\u1ec3u t\u01b0\u1ee3ng \u0111i\u1ec1u ch\u1ebf c\u00f3 th\u1ec3 mang 12 bit. V\u1edbi c\u00f9ng m\u1ed9t m\u00e3 h\u00f3a, 4096-QAM trong Wi-Fi 7 c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 t\u0103ng 20% \u200b\u200bso v\u1edbi 1024-QAM trong Wi-Fi 6.<\/p>\n\n\n\n

4.5 Nhi\u1ec1u lu\u1ed3ng d\u1eef li\u1ec7u h\u01a1n v\u00e0 MIMO n\u00e2ng cao<\/strong><\/p>\n\n\n\n

Wi-Fi 7 n\u00e2ng s\u1ed1 lu\u1ed3ng kh\u00f4ng gian t\u1eeb 8 l\u00ean 16, l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i l\u00fd thuy\u1ebft g\u1ea5p \u0111\u00f4i so v\u1edbi Wi-Fi 6. V\u1edbi nhi\u1ec1u lu\u1ed3ng d\u1eef li\u1ec7u h\u01a1n, Wi-Fi 7 h\u1ed7 tr\u1ee3 MIMO \u0111a ng\u01b0\u1eddi d\u00f9ng (Multi-User MIMO). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a r\u1eb1ng nhi\u1ec1u \u0111i\u1ec3m truy c\u1eadp c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ed3ng th\u1eddi 16 lu\u1ed3ng d\u1eef li\u1ec7u, \u0111\u00f2i h\u1ecfi ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c \u0111i\u1ec3m truy c\u1eadp n\u00e0y.<\/p>\n\n\n\n

4.6 Ph\u1ed1i h\u1ee3p \u0111a \u0111i\u1ec3m truy c\u1eadp AP<\/strong><\/p>\n\n\n\n

Trong khung giao th\u1ee9c 802.11 hi\u1ec7n t\u1ea1i, s\u1ef1 ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c \u0111i\u1ec3m truy c\u1eadp (AP) kh\u00f4ng ph\u1ed5 bi\u1ebfn. C\u00e1c t\u00ednh n\u0103ng ti\u00eau bi\u1ec3u c\u1ee7a WLAN, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 s\u00f3ng ph\u00e1t t\u1ef1 \u0111\u1ed9ng v\u00e0 d\u1ecbch chuy\u1ec3n th\u00f4ng minh, th\u01b0\u1eddng \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi nh\u00e0 s\u1ea3n xu\u1ea5t. Ph\u1ed1i h\u1ee3p \u0110a \u0111i\u1ec3m truy c\u1eadp (Multi-AP coordination) nh\u1eb1m m\u1ee5c ti\u00eau t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c ch\u1ecdn k\u00eanh v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t t\u1ea3i gi\u1eefa c\u00e1c \u0111i\u1ec3m truy c\u1eadp \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng s\u00f3ng radio t\u1ed1i \u01b0u v\u00e0 ph\u00e2n ph\u1ed1i c\u00e2n b\u1eb1ng t\u00e0i nguy\u00ean s\u00f3ng.<\/p>\n\n\n\n

L\u1ecbch tr\u00ecnh ph\u1ed1i h\u1ee3p gi\u1eefa nhi\u1ec1u \u0111i\u1ec3m truy c\u1eadp trong Wi-Fi 7 bao g\u1ed3m k\u1ebf ho\u1ea1ch ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c \u00f4 tr\u00f9ng l\u1eb7p trong mi\u1ec1n th\u1eddi gian v\u00e0 t\u1ea7n s\u1ed1, ph\u1ed1i h\u1ee3p nhi\u1ec5u gi\u1eefa c\u00e1c \u00f4 tr\u00f9ng l\u1eb7p v\u00e0 MIMO ph\u00e2n ph\u1ed1i. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m nhi\u1ec5u gi\u1eefa c\u00e1c \u0111i\u1ec3m truy c\u1eadp v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean s\u00f3ng radio.<\/p>\n\n\n\n

Ph\u1ed1i h\u1ee3p \u0110a \u0111i\u1ec3m truy c\u1eadp c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai th\u00f4ng qua nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau, bao g\u1ed3m s\u1eed d\u1ee5ng truy c\u1eadp t\u1ea7n s\u1ed1 chia l\u00e0m nhi\u1ec1u kho\u1ea3ng t\u1ea7n s\u1ed1 (C-OFDMA), t\u00e1i s\u1eed d\u1ee5ng kh\u00f4ng gian tr\u1ed1ng \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p (CSR), (CBF) v\u00e0 truy\u1ec1n k\u1ebft h\u1ee3p (JXT).<\/p>\n","protected":false},"excerpt":{"rendered":"

T\u1ed5ng quan : Wi-Fi 7, m\u1ed9t trong nh\u1eefng c\u1ed9t m\u1ed1c quan tr\u1ecdng trong ph\u00e1t tri\u1ec3n c\u1ee7a m\u1ea1ng Wi-Fi kh\u00f4ng d\u00e2y, \u0111\u00e3 mang \u0111\u1ebfn m\u1ed9t lo\u1ea1t c\u00e1c c\u1ea3i ti\u1ebfn v\u00e0 t\u00ednh n\u0103ng m\u1edbi m\u00e0 kh\u00f4ng ch\u1ec9 t\u0103ng c\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i, m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n bao gi\u1edd h\u1ebft. […]<\/p>\n","protected":false},"author":11,"featured_media":8389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[80,327],"tags":[326,328,329,330],"class_list":["post-8382","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-huong-dan-tai-lieu","category-wifi-wireless-access-point","tag-4096-qam","tag-mlo","tag-mu-mimo","tag-wifi-7","entry","has-media"],"_links":{"self":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/8382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/comments?post=8382"}],"version-history":[{"count":0,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/8382\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media\/8389"}],"wp:attachment":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media?parent=8382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/categories?post=8382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/tags?post=8382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}