{"id":132940,"date":"2025-06-07T09:46:25","date_gmt":"2025-06-07T02:46:25","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=132940"},"modified":"2025-06-07T12:36:08","modified_gmt":"2025-06-07T05:36:08","slug":"nhat-ban-pha-ky-luc-toc-do-internet","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/nhat-ban-pha-ky-luc-toc-do-internet\/","title":{"rendered":"Nh\u1eadt B\u1ea3n ph\u00e1 k\u1ef7 l\u1ee5c t\u1ed1c \u0111\u1ed9 Internet: Truy\u1ec1n d\u1eef li\u1ec7u 1 tri\u1ec7u Gb\/gi\u00e2y"},"content":{"rendered":"\n

PV Tech News – Nh\u1eadt B\u1ea3n l\u1eadp k\u1ef7 l\u1ee5c truy\u1ec1n d\u1eef li\u1ec7u 1,02 petabit\/gi\u00e2y qua 1.808 km c\u00e1p quang, \u0111\u1ee7 t\u1ea3i 10.000 phim 4K m\u1ed7i gi\u00e2y.<\/strong><\/p>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i Vi\u1ec7n Th\u00f4ng tin v\u00e0 Truy\u1ec1n th\u00f4ng Qu\u1ed1c gia Nh\u1eadt B\u1ea3n (NICT) v\u1eeba thi\u1ebft l\u1eadp m\u1ed9t c\u1ed9t m\u1ed1c m\u1edbi trong l\u0129nh v\u1ef1c truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u: \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 1,02 petabit m\u1ed7i gi\u00e2y tr\u00ean qu\u00e3ng \u0111\u01b0\u1eddng d\u00e0i 1.808 km b\u1eb1ng c\u00e1p quang. T\u1ed1c \u0111\u1ed9 n\u00e0y \u0111\u1ee7 \u0111\u1ec3 t\u1ea3i h\u01a1n 10.000 b\u1ed9 phim 4K ch\u1ec9 trong m\u1ed9t gi\u00e2y.<\/p>\n\n\n\n

\"S\u1ee3i
S\u1ee3i quang m\u1edbi v\u1edbi \u0111\u01b0\u1eddng k\u00ednh v\u1ecf b\u1ecdc ti\u00eau chu\u1ea9n (Ngu\u1ed3n: NICT)<\/figcaption><\/figure>\n\n\n\n

Th\u00e0nh t\u1ef1u \u1ea5n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng m\u1ed9t lo\u1ea1i c\u00e1p quang c\u00f3 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u00e1c lo\u1ea1i \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay trong h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng, nh\u01b0ng b\u00ean trong ch\u1ee9a t\u1edbi 19 l\u00f5i quang. M\u1ed7i l\u00f5i ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp, gi\u00fap t\u0103ng \u0111\u00e1ng k\u1ec3 l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i \u0111\u1ed3ng th\u1eddi m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng k\u00edch th\u01b0\u1edbc s\u1ee3i c\u00e1p.<\/p>\n\n\n\n

Tr\u01b0\u1edbc \u0111\u00e2y, vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u1edf t\u1ed1c \u0111\u1ed9 h\u00e0ng petabit m\u1ed7i gi\u00e2y th\u01b0\u1eddng ch\u1ec9 \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u00ean nh\u1eefng kho\u1ea3ng c\u00e1ch ng\u1eafn, d\u01b0\u1edbi 1.000 km, do t\u00edn hi\u1ec7u quang b\u1ecb suy gi\u1ea3m v\u00e0 d\u1ec5 nhi\u1ec5u khi truy\u1ec1n \u0111i xa. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c l\u1edbn trong ph\u00e1t tri\u1ec3n m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao tr\u00ean ph\u1ea1m vi to\u00e0n c\u1ea7u.<\/p>\n\n\n\n

\u0110\u1ec3 kh\u1eafc ph\u1ee5c \u0111i\u1ec1u n\u00e0y, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t h\u1ec7 th\u1ed1ng khu\u1ebfch \u0111\u1ea1i quang h\u1ecdc \u0111\u1eb7c bi\u1ec7t, c\u00f3 kh\u1ea3 n\u0103ng khu\u1ebfch \u0111\u1ea1i \u0111\u1ed3ng th\u1eddi 19 l\u00f5i c\u00e1p tr\u00ean hai d\u1ea3i t\u1ea7n C v\u00e0 L. H\u1ecd thi\u1ebft l\u1eadp 19 v\u00f2ng tu\u1ea7n ho\u00e0n, m\u1ed7i v\u00f2ng s\u1eed d\u1ee5ng m\u1ed9t l\u00f5i quang v\u00e0 truy\u1ec1n t\u00edn hi\u1ec7u qua \u0111\u00f3 21 l\u1ea7n \u0111\u1ec3 m\u00f4 ph\u1ecfng kho\u1ea3ng c\u00e1ch 1.808 km. Sau khi truy\u1ec1n xong, t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c thu nh\u1eadn b\u1edfi h\u1ec7 th\u1ed1ng g\u1ed3m 19 k\u00eanh v\u00e0 x\u1eed l\u00fd b\u1eb1ng c\u00f4ng ngh\u1ec7 MIMO (nhi\u1ec1u \u0111\u1ea7u v\u00e0o, nhi\u1ec1u \u0111\u1ea7u ra) \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec5u v\u00e0 \u0111o \u0111\u1ea1c t\u1ed1c \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

\"\"
S\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng truy\u1ec1n t\u1ea3i (\u1ea2nh: NICT)<\/figcaption><\/figure>\n\n\n\n

V\u1edbi k\u1ebft qu\u1ea3 n\u00e0y, nh\u00f3m nghi\u00ean c\u1ee9u kh\u00f4ng ch\u1ec9 ph\u00e1 k\u1ef7 l\u1ee5c v\u1ec1 t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i tr\u00ean s\u1ee3i c\u00e1p ti\u00eau chu\u1ea9n, m\u00e0 c\u00f2n ch\u1ee9ng minh ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng ngh\u1ec7 c\u00e1p quang \u0111a l\u00f5i. N\u1ebfu t\u00ednh theo dung l\u01b0\u1ee3ng truy\u1ec1n tr\u00ean m\u1ed7i km, h\u1ecd \u0111\u00e3 \u0111\u1ea1t 1,86 exabit m\u1ed7i gi\u00e2y, m\u1ed9t con s\u1ed1 ch\u01b0a t\u1eebng c\u00f3 tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n\n\n\n

Tr\u01b0\u1edbc \u0111\u00f3, c\u00f4ng ngh\u1ec7 c\u00e1p quang 19 l\u00f5i t\u1eebng \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m nh\u01b0ng ch\u1ec9 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 1,7 petabit m\u1ed7i gi\u00e2y tr\u00ean qu\u00e3ng \u0111\u01b0\u1eddng 63,5 km. K\u1ef7 l\u1ee5c m\u1edbi c\u1ee7a NICT kh\u00f4ng ch\u1ec9 th\u1ec3 hi\u1ec7n b\u01b0\u1edbc ti\u1ebfn v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n m\u1edf ra c\u01a1 h\u1ed9i x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, dung l\u01b0\u1ee3ng l\u1edbn, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng trong k\u1ef7 nguy\u00ean s\u1ed1.<\/p>\n\n\n\n

Th\u00e0nh t\u1ef1u c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc Nh\u1eadt B\u1ea3n kh\u00f4ng ch\u1ec9 \u0111\u00e1nh d\u1ea5u b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng trong c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn m\u00e0 c\u00f2n m\u1edf ra t\u01b0\u01a1ng lai cho c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng si\u00eau t\u1ed1c, ph\u1ee5c v\u1ee5 nhu c\u1ea7u d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng l\u1edbn tr\u00ean to\u00e0n c\u1ea7u. \u0110\u00e2y l\u00e0 minh ch\u1ee9ng cho ti\u1ec1m n\u0103ng v\u00f4 h\u1ea1n c\u1ee7a c\u00e1p quang \u0111a l\u00f5i trong th\u1ef1c ti\u1ec5n. \u0110\u1eebng qu\u00ean theo d\u00f5i Phong V\u0169 Tech News<\/a> \u0111\u1ec3 c\u1eadp nh\u1eadt nh\u1eefng tin t\u1ee9c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u1ea5t m\u1ed7i ng\u00e0y nh\u00e9!<\/p>\n\n\n\n

B\u00e0i vi\u1ebft li\u00ean quan:<\/strong><\/p>\n\n\n\n