{"id":4066,"date":"2020-02-11T08:19:45","date_gmt":"2020-02-11T08:19:45","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=4066"},"modified":"2020-02-11T08:39:01","modified_gmt":"2020-02-11T08:39:01","slug":"toc-do-mang-5g-ra-sao-va-cach-thuc-no-hoat-dong-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/toc-do-mang-5g-ra-sao-va-cach-thuc-no-hoat-dong-nhu-the-nao-p4066\/","title":{"rendered":"T\u1ed1c \u0111\u1ed9 m\u1ea1ng 5G ra sao v\u00e0 c\u00e1ch th\u1ee9c n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><p>Th\u1ebf h\u1ec7 th\u1ee9 5 c\u1ee7a c\u00f4ng ngh\u1ec7 m\u1ea1ng kh\u00f4ng d\u00e2y c\u00f3 ti\u1ec1m n\u0103ng m\u1edf ra m\u1ed9t\u00a0cu\u1ed9c c\u00e1ch m\u1ea1ng c\u00f4ng nghi\u1ec7p l\u1ea7n th\u1ee9 t\u01b0.\u00a0Nh\u01b0ng c\u00e1ch th\u1ee9c n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?\u00a0\u0110\u1ec3 c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi, h\u00e3y xem x\u00e9t c\u00e1c m\u1ea1ng di \u0111\u1ed9ng \u0111\u00e3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n nh\u01b0 th\u1ebf n\u00e0o trong nhi\u1ec1u n\u0103m qua v\u00e0 c\u00e1ch th\u1ee9c 5G kh\u00f4ng ch\u1ec9 x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00f3 m\u00e0 c\u00f2n t\u1ea1o ra m\u1ed9t n\u1ec1n t\u1ea3ng m\u1edbi.<\/p>\n<h2>D\u1eef li\u1ec7u di \u0111\u1ed9ng ng\u00e0y nay \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>D\u1eef li\u1ec7u truy\u1ec1n d\u1ecdc theo ph\u1ea7n v\u00f4 tuy\u1ebfn c\u1ee7a ph\u1ed5 \u0111i\u1ec7n t\u1eeb, bao g\u1ed3m t\u1ea7n s\u1ed1 trong kho\u1ea3ng t\u1eeb 3 kilohertz (kHz) \u0111\u1ebfn 300 gigahertz (GHz).\u00a0B\u1ed1n th\u1ebf h\u1ec7 \u0111\u1ea7u ti\u00ean c\u1ee7a c\u00f4ng ngh\u1ec7 m\u1ea1ng di \u0111\u1ed9ng\u00a0ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn c\u1ee5 th\u1ec3 c\u1ee7a quang ph\u1ed5: 1G (d\u1ea3i t\u1ea7n s\u1ed1 gi\u1eefa 850 MHz v\u00e0 1.900 MHz), 2G v\u00e0 3G (m\u1edf r\u1ed9ng \u0111\u1ebfn 850 MHz \u0111\u1ebfn 2.100 MHz), v\u00e0 4G (kho\u1ea3ng 600 MHz \u0111\u1ebfn 2,5 GHz ).<\/p>\n<p>T\u1ea1i sao t\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng? T\u1ea5t c\u1ea3 trong m\u1ed9t t\u1eeb: t\u1ed1c \u0111\u1ed9!<\/p>\n<p>Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u1eeb t\u00edn hi\u1ec7u t\u01b0\u01a1ng t\u1ef1 sang t\u00edn hi\u1ec7u s\u1ed1, k\u1ebft h\u1ee3p v\u1edbi c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 cao h\u01a1n, \u0111\u00e3 t\u0103ng \u0111\u00e1ng k\u1ec3\u00a0\u00a0t\u1ed1c \u0111\u1ed9\u00a0\u00a0d\u1eef li\u1ec7u c\u00f3 th\u1ec3 t\u1ea3i xu\u1ed1ng.\u00a0Trong khi t\u1ed1c \u0111\u1ed9 t\u1ea3i xu\u1ed1ng d\u1eef li\u1ec7u h\u00e0ng \u0111\u1ea7u tr\u00ean m\u1ea1ng 1G \u0111\u1ea1t kho\u1ea3ng 2,4kb \/ gi\u00e2y, 2G c\u00f3 th\u1ec3 l\u00ean t\u1edbi 50kb \/ gi\u00e2y v\u00e0 3G \u0111\u01b0\u1ee3c ki\u1ec3m tra \u1edf t\u1ed1c \u0111\u1ed9 2mb \/ gi\u00e2y tr\u00ean thi\u1ebft b\u1ecb \u0111\u1ee9ng y\u00ean v\u00e0 384kb \/ gi\u00e2y tr\u00ean thi\u1ebft b\u1ecb tr\u00ean \u00f4 t\u00f4 ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n di chuy\u1ec3n kh\u00e1c.\u00a0Th\u1ebf h\u1ec7 k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y th\u1ee9 t\u01b0, 4G, ra m\u1eaft v\u00e0o nh\u1eefng n\u0103m 2000 v\u00e0 t\u1ea1o ra x\u01b0\u01a1ng s\u1ed1ng cho nhi\u1ec1u c\u1ea3i ti\u1ebfn \u0111\u1ed9t ph\u00e1 nh\u1ea5t hi\u1ec7n nay, nhanh h\u01a1n 500 l\u1ea7n so v\u1edbi 3G, v\u1edbi t\u1ed1c \u0111\u1ed9 100mbps\u00a0\u00a0cho c\u00e1c v\u1eadt th\u1ec3 \u0111\u1ee9ng y\u00ean v\u00e0 10 mbps cho c\u00e1c v\u1eadt th\u1ec3 di chuy\u1ec3n.<\/p>\n<p><a href=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2020\/02\/tgmc-blog-5e4263229fb1a.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4068 size-full\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2020\/02\/tgmc-blog-5e4263229fb1a.gif\" alt=\"\" width=\"1018\" height=\"604\" \/><\/a><\/p>\n<p>T\u1ed1c \u0111\u1ed9 \u0111\u00f3 c\u00f3 th\u1ec3 g\u1ecdi l\u00e0 nhanh, nh\u01b0ng n\u00f3 m\u1edd nh\u1ea1t so v\u1edbi\u00a0t\u1ed1c \u0111\u1ed9\u00a0ti\u1ec1m n\u0103ng\u00a0c\u1ee7a 5G\u00a0. C\u1ee5 th\u1ec3 nh\u01b0 t\u1ea1i M\u1ef9, Verizon 5G Ultra Wideband l\u00e0 m\u1ed9t m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao hi\u1ec7n \u0111\u00e3 c\u00f3 m\u1eb7t t\u1ea1i\u00a0h\u01a1n 30 th\u00e0nh ph\u1ed1 tr\u00ean to\u00e0n n\u01b0\u1edbc M\u1ef9.\u00a05G Ultra Wideband c\u00f3 th\u1ec3 mang kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c m\u1ea1ng LTE hi\u1ec7n nay v\u00e0\u00a0b\u0103ng th\u00f4ng\u00a0r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn c\u1ee7a t\u01b0\u01a1ng lai c\u1ea5t c\u00e1nh.<\/p>\n<p>N\u00f3 c\u00f3 \u00fd ngh\u0129a g\u00ec \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi ti\u00eau d\u00f9ng?\u00a0\u0110\u1ed9\u00a0tr\u1ec5 th\u1ea5p\u00a0c\u1ee7a m\u1ea1ng 5G, \u0111\u00f3 l\u00e0 th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 m\u1ed9t g\u00f3i d\u1eef li\u1ec7u di chuy\u1ec3n gi\u1eefa hai \u0111i\u1ec3m. C\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 c\u00e1ch m\u1ecdi ng\u01b0\u1eddi t\u01b0\u01a1ng t\u00e1c v\u1edbi d\u1eef li\u1ec7u.\u00a0V\u00e0 \u0111i\u1ec1u \u0111\u00f3 ng\u00e0y c\u00e0ng c\u1ea7n thi\u1ebft trong m\u1ed9t th\u1ebf gi\u1edbi n\u01a1i h\u00e0ng t\u1ef7 thi\u1ebft b\u1ecb s\u1ebd xu\u1ea5t hi\u1ec7n tr\u1ef1c tuy\u1ebfn trong v\u00e0i n\u0103m t\u1edbi.<\/p>\n<p>K\u1ebft h\u1ee3p, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 b\u0103ng th\u00f4ng cao cho ph\u00e9p t\u1ed1c \u0111\u1ed9 t\u1ea3i l\u00ean v\u00e0 t\u1ea3i xu\u1ed1ng nhanh h\u01a1n, m\u1edf ra m\u1ed9t lo\u1ea1t l\u1ee3i \u00edch ti\u1ec1m n\u0103ng: m\u1ecdi ng\u01b0\u1eddi truy\u1ec1n ph\u00e1t video 4K trong v\u00e0i gi\u00e2y, v\u1ec1 c\u01a1 b\u1ea3n cho ph\u00e9p tr\u1ea3i nghi\u1ec7m VR li\u1ec1n m\u1ea1ch, th\u00fac \u0111\u1ea9y ti\u1ebfn b\u1ed9 trong y h\u1ecdc t\u1eeb xa, tri\u1ec3n v\u1ecdng \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp trong th\u1eddi gian th\u1ef1c, v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa.<\/p>\n<p>Ti\u1ec1m n\u0103ng c\u1ee7a 5G ch\u1ec9 b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi tr\u00ed t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ee7a nh\u1eefng nh\u00e0 ph\u00e1t ki\u1ebfn \u00fd t\u01b0\u1edfng.<\/p>\n<h2>C\u00f4ng ngh\u1ec7 5G ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>M\u1ea1ng 5G \u0111\u01b0\u1ee3c cung c\u1ea5p th\u00f4ng qua c\u00e1c h\u1ea1 t\u1ea7ng c\u00e1p quang, c\u00e1c cell quy m\u00f4 nh\u1ecf v\u00e0 c\u00e1c d\u1ea3i ph\u1ed5 s\u00f3ng mang v\u00f4 tuy\u1ebfn m\u1edf r\u1ed9ng.\u00a0M\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a ph\u1ed5 s\u00f3ng mang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0ph\u1ed5\u00a0s\u00f3ng milimet, trong \u0111\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 cao, c\u1ee5 th\u1ec3 l\u00e0 c\u00e1c d\u1ea3i t\u1ea7n trong ph\u1ea1m vi 28 GHz \u0111\u1ebfn 38 GHz.\u00a0Ch\u00ednh trong c\u00e1c\u00a0d\u1ea3i ph\u1ed5\u00a0n\u00e0y, nh\u1eefng\u00a0s\u00e1ng ki\u1ebfn t\u00e1o b\u1ea1o, nh\u1ea1y v\u1edbi \u0111\u1ed9 tr\u1ec5 v\u00e0 b\u0103ng th\u00f4ng l\u1edbn nh\u1ea5t c\u1ee7a t\u01b0\u01a1ng lai s\u1ebd d\u1ef1a v\u00e0o.\u00a0H\u00e3y ngh\u0129 v\u1ec1 ph\u1ed5 s\u00f3ng milimet nh\u01b0 c\u00e1c \u0111\u01b0\u1eddng cao t\u1ed1c r\u1ed9ng nh\u1ea5t, nhanh nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi, v\u1edbi h\u00e0ng tri\u1ec7u xe t\u1ea3i di chuy\u1ec3n c\u00e1ch nhau v\u00e0i centimet v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng th\u1ec3 tin \u0111\u01b0\u1ee3c\u00a0.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2020\/02\/tgmc-blog-5e4263252f19e.gif\" alt=\"\" \/><\/p>\n<p>C\u00e1c th\u00e0nh ph\u1ea7n g\u00e2y tr\u1ec5 kh\u00f4ng th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c quan t\u00e2m t\u1edbi.\u00a0C\u00e1c m\u1ea1ng 4G hi\u1ec7n t\u1ea1i\u00a0hi\u1ec3n th\u1ecb \u0111\u1ed9 tr\u1ec5\u00a0kho\u1ea3ng\u00a030-150 mili gi\u00e2y\u00a0.\u00a0Kh\u00e1ch h\u00e0ng 5G Ultra Wideband s\u1ebd mong \u0111\u1ee3i \u0111\u1ed9 tr\u1ec5 cu\u1ed1i c\u00f9ng s\u1ebd gi\u1ea3m xu\u1ed1ng\u00a0\u00a0d\u01b0\u1edbi 10 mili gi\u00e2y\u00a0.<\/p>\n<p>M\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng 5G l\u00e0\u00a0c\u00e1c cell quy m\u00f4 nh\u1ecf (small cell): \u1ede c\u00e1c b\u1ed9 ph\u00e1t n\u00e0y, c\u00f3 k\u00edch th\u01b0\u1edbc g\u1ea7n b\u1eb1ng m\u00e1y t\u00ednh x\u00e1ch tay \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed chi\u1ebfn l\u01b0\u1ee3c, n\u01a1i nhu c\u1ea7u s\u1eed d\u1ee5ng cao nh\u1ea5t nh\u01b0 khu v\u1ef1c trung t\u00e2m th\u00e0nh ph\u1ed1, trung t\u00e2m mua s\u1eafm, \u0111\u1ecba \u0111i\u1ec3m th\u1ec3 thao v\u00e0 khu\u00f4n vi\u00ean tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc.<\/p>\n<p>T\u01b0\u01a1ng lai s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a d\u1eef li\u1ec7u.\u00a0\u01af\u1edbc t\u00ednh c\u00f3 kho\u1ea3ng\u00a020,4 t\u1ef7 thi\u1ebft b\u1ecb VR, h\u1ec7 th\u1ed1ng ch\u01a1i game tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y, c\u1ea3m bi\u1ebfn IoT ho\u1eb7c xe t\u1ef1 l\u00e1i, \u0111\u01b0\u1ee3c d\u1ef1 ki\u1ebfn \u200b\u200bs\u1ebd k\u1ebft n\u1ed1i tr\u1ef1c tuy\u1ebfn v\u00e0o n\u0103m 2020 v\u00e0 t\u1ea5t c\u1ea3 s\u1ebd c\u00f3 nhu c\u1ea7u d\u1eef li\u1ec7u l\u1edbn tr\u00ean m\u1ea1ng.\u00a05G kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1c \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng nhi\u1ec1u d\u1eef li\u1ec7u n\u00e0y\u00a0kh\u1ea3 thi m\u00e0 c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i c\u00e1ch th\u1ee9c d\u1eef li\u1ec7u \u0111\u1ecbnh h\u00ecnh th\u1ebf gi\u1edbi c\u1ee7a ch\u00fang ta.<\/p>\n<div>____<br \/><b>B\u00e0i vi\u1ebft li\u00ean quan<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=22819\">QNAP QSW-L3205-1C4T: Switch Lite-Managed b\u1ee9t ph\u00e1 t\u1ed1c \u0111\u1ed9 m\u1ea1ng 20Gbps<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=21635\">Fibre Channel (FC): Tr\u1ee5c x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef hi\u1ec7u su\u1ea5t cao v\u00e0 tin c\u1eady<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=21621\">M\u1ea1ng Ethernet: Gi\u1edbi thi\u1ec7u to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c chu\u1ea9n k\u1ebft n\u1ed1i<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=21044\">C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng cho nh\u1eefng h\u1ec7 th\u1ed1ng HPC \u0111a node<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=21031\">QNAP QSW-2104-2T-R2: Gi\u1ea3i ph\u00e1p m\u1ea1ng 10GbE t\u1ed1c \u0111\u1ed9 cao v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=19775\">\u0110i\u1ec7n to\u00e1n bi\u00ean: T\u01b0\u01a1ng lai c\u1ee7a \u0111i\u1ec7n to\u00e1n v\u00e0 truy\u1ec1n th\u00f4ng li\u00ean l\u1ea1c th\u1ebf h\u1ec7 ti\u1ebfp theo<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Th&#7871; h&#7879; th&#7913; 5 c&#7911;a c&ocirc;ng ngh&#7879; m&#7841;ng kh&ocirc;ng d&acirc;y c&oacute; ti&#7873;m n&#259;ng m&#7903; ra m&#7897;t&nbsp;cu&#7897;c c&aacute;ch m&#7841;ng c&ocirc;ng nghi&#7879;p l&#7847;n th&#7913; t&#432;.&nbsp;Nh&#432;ng c&aacute;ch th&#7913;c n&oacute; ho&#7841;t &#273;&#7897;ng nh&#432; th&#7871; n&agrave;o?&nbsp;&#272;&#7875; c&oacute; c&acirc;u tr&#7843; l&#7901;i, h&atilde;y xem x&eacute;t c&aacute;c m&#7841;ng di &#273;&#7897;ng &#273;&atilde; tr&#7843;i qua qu&aacute; tr&igrave;nh ph&aacute;t tri&#7875;n nh&#432; th&#7871; n&agrave;o trong nhi&#7873;u n&#259;m&#8230;<\/p>\n","protected":false},"author":2,"featured_media":4086,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[20,676,682],"class_list":["post-4066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tong-hop","tag-5g","tag-iot","tag-network"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>T\u1ed1c \u0111\u1ed9 m\u1ea1ng 5G ra sao v\u00e0 c\u00e1ch th\u1ee9c n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? - Blog | TheGioiMayChu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/toc-do-mang-5g-ra-sao-va-cach-thuc-no-hoat-dong-nhu-the-nao-p4066\/\" 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