{"id":17101,"date":"2026-09-14T13:47:16","date_gmt":"2026-09-14T06:47:16","guid":{"rendered":"https:\/\/useful.vn\/?p=17101"},"modified":"2026-09-14T13:47:16","modified_gmt":"2026-09-14T06:47:16","slug":"nha-mang-viet-thu-nghiem-day-mang-tang-hinh-tai-nha","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=17101","title":{"rendered":"Nh\u00e0 m\u1ea1ng Vi\u1ec7t th\u1eed nghi\u1ec7m d\u00e2y m\u1ea1ng ‘t\u00e0ng h\u00ecnh’ t\u1ea1i nh\u00e0"},"content":{"rendered":"
\n

\nNh\u00e0 m\u1ea1ng Vi\u1ec7t th\u1eed nghi\u1ec7m d\u00e2y m\u1ea1ng ‘t\u00e0ng h\u00ecnh’ t\u1ea1i nh\u00e0 <\/h1>\n

Viettel \u0111ang th\u1eed nghi\u1ec7m \u0111\u01b0\u1eddng truy\u1ec1n Internet \u0111\u01b0a t\u1edbi t\u1eebng ph\u00f2ng trong nh\u00e0 b\u1eb1ng s\u1ee3i c\u00e1p quang g\u1ea7n nh\u01b0 v\u00f4 h\u00ecnh, gi\u00fap t\u1ed1c \u0111\u1ed9 m\u1ea1ng \u0111\u1ea1t \u0111\u1ebfn 1 Gbps m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1ea9m m\u1ef9.<\/p>\n

Gi\u1ea3i ph\u00e1p c\u00f3 t\u00ean Fiber to the Room (FTTR), \u0111\u01b0a c\u00e1p quang \u0111\u1ebfn t\u1eebng ph\u00f2ng, thay v\u00ec ch\u1ec9 k\u00e9o \u0111\u1ebfn modem ch\u00ednh nh\u01b0 m\u00f4 h\u00ecnh ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. Th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u1edbi m\u1ed9t s\u1ed1 kh\u00e1ch h\u00e0ng gia \u0111\u00ecnh \u1edf H\u00e0 N\u1ed9i t\u1eeb cu\u1ed1i th\u00e1ng 7 v\u00e0 v\u1eeba \u0111\u01b0\u1ee3c chia s\u1ebb sau khi ghi nh\u1eadn “k\u1ebft qu\u1ea3 kh\u1ea3 quan”.<\/p>\n

“Gi\u1ea3i ph\u00e1p h\u01b0\u1edbng t\u1edbi x\u1eed l\u00fd \u0111\u1ed3ng th\u1eddi hai v\u1ea5n \u0111\u1ec1 c\u1ee7a m\u1ea1ng Wi-Fi gia \u0111\u00ecnh, \u0111\u00f3 l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft n\u1ed1i t\u1ea1i t\u1eebng ph\u00f2ng v\u00e0 th\u1ea9m m\u1ef9 khi tri\u1ec3n khai h\u1ea1 t\u1ea7ng m\u1ea1ng trong nh\u00e0”, \u0111\u1ea1i di\u1ec7n Viettel Telecom cho bi\u1ebft.<\/p>\n

T\u1ea1i m\u1ed9t ng\u00f4i nh\u00e0 s\u00e1u t\u1ea7ng \u1edf ph\u01b0\u1eddng Ngh\u0129a \u0110\u00f4, ch\u1ee7 nh\u00e0 \u0111\u00e3 s\u1eed d\u1ee5ng Internet t\u1ed1c \u0111\u1ed9 cao v\u00e0 vi\u1ec7c truy c\u1eadp h\u00e0ng ng\u00e0y nh\u00ecn chung kh\u00f4ng g\u1eb7p nhi\u1ec1u tr\u1edf ng\u1ea1i. Tuy nhi\u00ean, c\u00e0ng xa modem, \u0111\u1eb7c bi\u1ec7t khi l\u00ean t\u1ea7ng tr\u00ean ho\u1eb7c ph\u00f2ng c\u00f3 nhi\u1ec1u l\u1edbp t\u01b0\u1eddng ng\u0103n, t\u1ed1c \u0111\u1ed9 Wi-Fi gi\u1ea3m kh\u00e1 r\u00f5. \u1ede m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed, t\u1ed1c \u0111\u1ed9 th\u1ef1c t\u1ebf th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi kh\u1ea3 n\u0103ng c\u1ee7a g\u00f3i c\u01b0\u1edbc. Qua kh\u1ea3o s\u00e1t, k\u1ef9 thu\u1eadt vi\u00ean nh\u00e0 m\u1ea1ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng truy\u1ec1n Internet \u0111\u1ebfn nh\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o, nh\u01b0ng h\u1ea1n ch\u1ebf n\u1eb1m \u1edf \u0111o\u1ea1n k\u1ebft n\u1ed1i t\u1eeb modem \u0111\u1ebfn c\u00e1c khu v\u1ef1c s\u1eed d\u1ee5ng trong nh\u00e0. H\u1ecd tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ng\u01b0\u1eddi \u0111\u1ea7u ti\u00ean th\u1eed nghi\u1ec7m gi\u1ea3i ph\u00e1p m\u1edbi.<\/p>\n

<\/div>\n

D\u00e2y c\u00e1p quang k\u00e9o b\u1eb1ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng ch\u1ea1y d\u1ecdc c\u1ed5 tr\u1ea7n nh\u00e0, kh\u00f3 ph\u00e1t hi\u1ec7n b\u1eb1ng m\u1eaft th\u01b0\u1eddng. \u1ea2nh: Ng\u1ecdc Th\u1eafng<\/em><\/p>\n

D\u00f9ng c\u00e1p quang l\u00e0m “x\u01b0\u01a1ng s\u1ed1ng” thay c\u00e1p \u0111\u1ed3ng, Wi-Fi<\/strong><\/p>\n

V\u1edbi m\u00f4 h\u00ecnh m\u1ea1ng gia \u0111\u00ecnh ph\u1ed5 bi\u1ebfn hi\u1ec7n nay, c\u00e1p quang th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c k\u00e9o \u0111\u1ebfn modem ch\u00ednh. T\u1eeb \u0111\u00e2y, Internet ph\u00e2n ph\u1ed1i t\u1edbi c\u00e1c khu v\u1ef1c kh\u00e1c trong nh\u00e0 qua Wi-Fi ho\u1eb7c d\u00e2y m\u1ea1ng LAN.<\/p>\n

V\u1edbi c\u00e1c c\u0103n nh\u00e0 nhi\u1ec1u t\u1ea7ng ho\u1eb7c nhi\u1ec1u ph\u00f2ng, \u0111\u1ec3 c\u1ea3i thi\u1ec7n v\u00f9ng ph\u1ee7, nhi\u1ec1u gia \u0111\u00ecnh l\u1ef1a ch\u1ecdn h\u1ec7 th\u1ed1ng Mesh Wi-Fi, trong \u0111\u00f3 c\u00e1c \u0111i\u1ec3m ph\u00e1t \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed th\u00eam \u1edf c\u00e1c t\u1ea7ng ho\u1eb7c ph\u00f2ng \u0111\u1ec3 m\u1edf r\u1ed9ng t\u00edn hi\u1ec7u b\u1eb1ng k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y. Tuy nhi\u00ean, hi\u1ec7u qu\u1ea3 c\u1ee7a gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 b\u1ecb suy gi\u1ea3m do kho\u1ea3ng c\u00e1ch, t\u01b0\u1eddng b\u00ea t\u00f4ng, s\u00e0n gi\u1eefa c\u00e1c t\u1ea7ng ho\u1eb7c nhi\u1ec5u s\u00f3ng. Trong khi \u0111\u00f3, n\u1ebfu d\u00f9ng d\u00e2y m\u1ea1ng LAN \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c \u0111i\u1ec3m, vi\u1ec7c tri\u1ec3n khai trong m\u1ed9t c\u0103n nh\u00e0 \u0111\u00e3 ho\u00e0n thi\u1ec7n l\u1ea1i c\u00f3 th\u1ec3 ph\u00e1t sinh chi ph\u00ed v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1ea9m m\u1ef9.<\/p>\n

Viettel cho bi\u1ebft FTTR s\u1eed d\u1ee5ng c\u00e1p quang \u0111\u1ec3 gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n tr\u00ean. T\u1eeb modem ch\u00ednh, c\u00e1p quang ti\u1ebfp t\u1ee5c v\u00e0o s\u00e2u b\u00ean trong ng\u00f4i nh\u00e0, t\u1edbi t\u1eebng ph\u00f2ng ho\u1eb7c khu v\u1ef1c c\u1ea7n s\u1eed d\u1ee5ng Internet. Do \u0111\u1eb7c t\u00ednh c\u1ee7a t\u00edn hi\u1ec7u quang, \u0111\u01b0\u1eddng truy\u1ec1n gi\u1eefa c\u00e1c \u0111i\u1ec3m ph\u00e1t \u00edt ch\u1ecbu \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp b\u1edfi kho\u1ea3ng c\u00e1ch hay v\u1eadt c\u1ea3n. M\u1ed7i ph\u00f2ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u01b0u l\u01b0\u1ee3ng t\u1ed1i \u0111a c\u1ee7a \u0111\u01b0\u1eddng truy\u1ec1n Internet<\/p>\n

\n
\n<\/div>
\n

So s\u00e1nh gi\u1ea3i ph\u00e1p Wi-Fi Mesh v\u1edbi FTTR. \u0110\u1ed3 h\u1ecda c\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a AI<\/em><\/p>\n<\/figcaption><\/figure>\n

Ngo\u00e0i ra, v\u1ec1 th\u1ea9m m\u1ef9, s\u1ee3i quang s\u1eed d\u1ee5ng trong gi\u1ea3i ph\u00e1p c\u00f3 k\u00edch th\u01b0\u1edbc 0,9×1,2 mm, nh\u1ecf h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi d\u00e2y m\u1ea1ng LAN th\u00f4ng th\u01b0\u1eddng. S\u1ee3i d\u00e2y trong su\u1ed1t, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i s\u00e1t ch\u00e2n t\u01b0\u1eddng, khung c\u1eeda ho\u1eb7c ph\u00e0o ch\u1ec9 \u0111\u1ec3 h\u00f2a v\u00e0o kh\u00f4ng gian n\u1ed9i th\u1ea5t. Nh\u1edd \u0111\u1eb7c t\u00ednh n\u00e0y, k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 \u0111\u01b0a c\u00e1p quang t\u1edbi nhi\u1ec1u khu v\u1ef1c trong m\u1ed9t c\u0103n nh\u00e0 \u0111\u00e3 ho\u00e0n thi\u1ec7n m\u00e0 h\u1ea1n ch\u1ebf khoan \u0111\u1ee5c, gi\u1ea3m vi\u1ec7c s\u1eed d\u1ee5ng d\u00e2y m\u1ea1ng l\u1edbn ch\u1ea1y n\u1ed5i tr\u00ean t\u01b0\u1eddng v\u00e0 \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1ea9m m\u1ef9.<\/p>\n

T\u1ea1i ng\u00f4i nh\u00e0 6 t\u1ea7ng \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m, hai k\u1ef9 thu\u1eadt vi\u00ean m\u1ea5t kho\u1ea3ng n\u1eeda ng\u00e0y \u0111\u1ec3 ho\u00e0n th\u00e0nh vi\u1ec7c k\u00e9o c\u00e1p quang \u0111\u1ebfn c\u00e1c ph\u00f2ng, l\u1eafp thi\u1ebft b\u1ecb v\u00e0 c\u1ea5u h\u00ecnh m\u1ea1ng.<\/p>\n

\n
\n<\/div>
\n

C\u00e1p quang trong su\u1ed1t, k\u00edch th\u01b0\u1edbc nh\u1ecf, \u0111\u01b0\u1ee3c d\u00f9ng trong gi\u1ea3i ph\u00e1p FTTR so v\u1edbi c\u00e1p m\u1ea1ng LAN m\u00e0u xanh. \u1ea2nh: Ng\u1ecdc Th\u1eafng<\/em><\/p>\n<\/figcaption><\/figure>\n

Sau khi tri\u1ec3n khai, m\u1ed7i khu v\u1ef1c trong nh\u00e0 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u0111i\u1ec3m ph\u00e1t Wi-Fi k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi h\u1ec7 th\u1ed1ng c\u00e1p quang. K\u1ebft qu\u1ea3 \u0111o c\u1ee7a Viettel ghi nh\u1eadn t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a kho\u1ea3ng 1 Gbps t\u1ea1i c\u00e1c \u0111i\u1ec3m th\u1eed nghi\u1ec7m, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a g\u00f3i c\u01b0\u1edbc. K\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c duy tr\u00ec khi ng\u01b0\u1eddi d\u00f9ng di chuy\u1ec3n gi\u1eefa c\u00e1c ph\u00f2ng, gi\u00fap \u0111i\u1ec7n tho\u1ea1i v\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c \u0111i\u1ec3m ph\u00e1t trong c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng.<\/p>\n

Theo \u0111\u1ea1i di\u1ec7n Viettel Telecom, \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ee7a FTTR kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a m\u00e0 c\u00f2n \u1edf kh\u1ea3 n\u0103ng duy tr\u00ec tr\u1ea3i nghi\u1ec7m Internet \u0111\u1ed3ng \u0111\u1ec1. Gi\u1ea3i ph\u00e1p n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c xem nh\u01b0 b\u01b0\u1edbc chu\u1ea9n b\u1ecb cho h\u1ea1 t\u1ea7ng m\u1ea1ng trong nh\u1eefng ng\u00f4i nh\u00e0 c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i. V\u1edbi xu h\u01b0\u1edbng IoT n\u1edf r\u1ed9, s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i Internet trong gia \u0111\u00ecnh ng\u00e0y c\u00e0ng t\u0103ng, y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi m\u1ea1ng gia \u0111\u00ecnh ngo\u00e0i t\u1ed1c \u0111\u1ed9 cao c\u00f2n c\u1ea7n s\u1ef1 \u1ed5n \u0111\u1ecbnh t\u1ea1i m\u1ecdi v\u1ecb tr\u00ed s\u1eed d\u1ee5ng.<\/p>\n

V\u1edbi c\u00e1ch ti\u1ebfp c\u1eadn m\u1edbi, FTTR \u0111\u01b0\u1ee3c xem l\u00e0 b\u01b0\u1edbc ph\u00e1t tri\u1ec3n ti\u1ebfp theo c\u1ee7a h\u1ea1 t\u1ea7ng Internet gia \u0111\u00ecnh, chuy\u1ec3n t\u1eeb m\u00f4 h\u00ecnh Fiber to the Home (c\u00e1p quang \u0111\u1ebfn nh\u00e0) sang Fiber to the Room (c\u00e1p quang \u0111\u1ebfn t\u1eebng ph\u00f2ng).<\/p>\n

Viettel ch\u01b0a c\u00f4ng b\u1ed1 gi\u00e1 c\u0169ng nh\u01b0 th\u1eddi gian th\u01b0\u01a1ng m\u1ea1i h\u00f3a ch\u00ednh th\u1ee9c. Nh\u00e0 m\u1ea1ng cho bi\u1ebft k\u1ebft qu\u1ea3 tri\u1ec3n khai th\u1ef1c t\u1ebf t\u1ea1i h\u1ed9 gia \u0111\u00ecnh s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng, t\u1ed1i \u01b0u ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng v\u00e0 ho\u00e0n thi\u1ec7n tr\u01b0\u1edbc khi cung c\u1ea5p r\u1ed9ng r\u00e3i.<\/p>\n

L\u01b0u Qu\u00fd – Huy Quang<\/strong><\/p>\n<\/article>\n

\n

https:\/\/vnexpress.net\/nha-mang-viet-thu-nghiem-day-mang-tang-hinh-tai-nha-5111035.html<\/p>\n","protected":false},"excerpt":{"rendered":"

Nh\u00e0 m\u1ea1ng Vi\u1ec7t th\u1eed nghi\u1ec7m d\u00e2y m\u1ea1ng ‘t\u00e0ng h\u00ecnh’ t\u1ea1i nh\u00e0 Viettel \u0111ang th\u1eed nghi\u1ec7m \u0111\u01b0\u1eddng truy\u1ec1n Internet \u0111\u01b0a t\u1edbi t\u1eebng ph\u00f2ng trong nh\u00e0 b\u1eb1ng s\u1ee3i c\u00e1p quang g\u1ea7n nh\u01b0 v\u00f4 h\u00ecnh, gi\u00fap t\u1ed1c \u0111\u1ed9 m\u1ea1ng \u0111\u1ea1t \u0111\u1ebfn 1 Gbps m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1ea9m m\u1ef9. Gi\u1ea3i ph\u00e1p c\u00f3 t\u00ean Fiber to the Room<\/p>\n","protected":false},"author":1,"featured_media":17102,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-17101","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/17101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17101"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/17101\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/17102"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}