{"id":47926,"date":"2026-07-28T15:53:46","date_gmt":"2026-07-28T08:53:46","guid":{"rendered":"https:\/\/vinastech.vn\/?p=47926"},"modified":"2026-07-28T16:07:29","modified_gmt":"2026-07-28T09:07:29","slug":"khong-phai-cong-trinh-nao-cung-nen-dung-repeater-cach-lua-chon-dung-giai-phap-phu-song","status":"publish","type":"post","link":"https:\/\/vinastech.vn\/khong-phai-cong-trinh-nao-cung-nen-dung-repeater-cach-lua-chon-dung-giai-phap-phu-song\/","title":{"rendered":"Kh\u00f4ng ph\u1ea3i c\u00f4ng tr\u00ecnh n\u00e0o c\u0169ng n\u00ean d\u00f9ng repeater: C\u00e1ch l\u1ef1a ch\u1ecdn \u0111\u00fang gi\u1ea3i ph\u00e1p ph\u1ee7 s\u00f3ng"},"content":{"rendered":"

Trong th\u1eddi \u0111\u1ea1i s\u1ed1 h\u00f3a, s\u00f3ng di \u0111\u1ed9ng m\u1ea1nh m\u1ebd l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng \u0111\u1ecbnh h\u00ecnh ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 c\u1ee7a m\u1ecdi c\u00f4ng tr\u00ecnh, t\u1eeb t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng, kh\u00e1ch s\u1ea1n cho \u0111\u1ebfn c\u00e1c khu ph\u1ee9c h\u1ee3p l\u1edbn. Tuy nhi\u00ean, sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ee7a nhi\u1ec1u ch\u1ee7 \u0111\u1ea7u t\u01b0 l\u00e0 m\u1eb7c \u0111\u1ecbnh ch\u1ecdn Repeater (b\u1ed9 k\u00edch s\u00f3ng)<\/strong> cho m\u1ecdi b\u00e0i to\u00e1n y\u1ebfu s\u00f3ng.<\/p>\n

Th\u1ef1c t\u1ebf, m\u1ed7i m\u00f4 h\u00ecnh ki\u1ebfn tr\u00fac v\u00e0 b\u00e0i to\u00e1n l\u01b0u l\u01b0\u1ee3ng \u0111\u1ec1u \u0111\u00f2i h\u1ecfi m\u1ed9t gi\u1ea3i ph\u00e1p v\u00f4 tuy\u1ebfn ri\u00eang bi\u1ec7t. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft b\u1ea3n ch\u1ea5t c\u00e1c c\u00f4ng ngh\u1ec7 ph\u1ee7 s\u00f3ng hi\u1ec7n nay v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c cho t\u1eebng lo\u1ea1i c\u00f4ng tr\u00ecnh.<\/p>\n

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  1. B\u1ea3n \u0111\u1ed3 c\u00e1c gi\u1ea3i ph\u00e1p ph\u1ee7 s\u00f3ng di \u0111\u1ed9ng hi\u1ec7n nay<\/strong><\/li>\n<\/ol>\n

    \"\"<\/p>\n

    \u0110\u1ec3 thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ed1i \u01b0u, k\u1ef9 s\u01b0 c\u1ea7n n\u1eafm r\u00f5 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a t\u1eebng nh\u00f3m gi\u1ea3i ph\u00e1p t\u1eeb truy\u1ec1n th\u1ed1ng \u0111\u1ebfn hi\u1ec7n \u0111\u1ea1i:<\/p>\n

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    • Repeater (\u0110\u01a1n b\u0103ng t\u1ea7n ho\u1eb7c \u0110a b\u0103ng t\u1ea7n):<\/strong> Thi\u1ebft b\u1ecb thu s\u00f3ng ngo\u00e0i tr\u1eddi v\u00e0 khu\u1ebfch \u0111\u1ea1i l\u1ea1i v\u00e0o trong nh\u00e0.\n
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      • \u01afu \u0111i\u1ec3m:<\/em> Chi ph\u00ed th\u1ea5p, l\u1eafp \u0111\u1eb7t nhanh.<\/li>\n
      • Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/em> Ch\u1ec9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u s\u1eb5n c\u00f3 (n\u1ebfu s\u00f3ng ngo\u00e0i tr\u1eddi y\u1ebfu ho\u1eb7c b\u1ecb nhi\u1ec5u, repeater s\u1ebd ph\u00f3ng \u0111\u1ea1i c\u1ea3 nhi\u1ec5u); kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c b\u00e0i to\u00e1n dung l\u01b0\u1ee3ng khi c\u00f3 qu\u00e1 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp c\u00f9ng l\u00fac.<\/li>\n<\/ul>\n<\/li>\n
      • Passive DAS (Distributed Antenna System th\u1ee5 \u0111\u1ed9ng):<\/strong> H\u1ec7 th\u1ed1ng c\u00e1p \u0111\u1ed3ng tr\u1ee5c k\u1ebft h\u1ee3p b\u1ed9 chia t\u00edn hi\u1ec7u (splitter) v\u00e0 anten \u0111\u1ec3 ph\u00e2n b\u1ed5 s\u00f3ng t\u1eeb ngu\u1ed3n repeater ho\u1eb7c macro BTS.\n
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        • \u01afu \u0111i\u1ec3m:<\/em> Ph\u00f9 h\u1ee3p v\u1edbi t\u00f2a nh\u00e0 quy m\u00f4 nh\u1ecf v\u00e0 trung b\u00ecnh, chi ph\u00ed h\u1ee3p l\u00fd.<\/li>\n
        • Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/em> Suy hao t\u00edn hi\u1ec7u l\u1edbn tr\u00ean c\u00e1p \u0111\u1ed3ng tr\u1ee5c, kh\u00f4ng th\u00edch h\u1ee3p cho c\u00e1c c\u00f4ng tr\u00ecnh di\u1ec7n t\u00edch r\u1ed9ng.<\/li>\n<\/ul>\n<\/li>\n
        • Active DAS (DAS ch\u1ee7 \u0111\u1ed9ng):<\/strong> H\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u RF th\u00e0nh t\u00edn hi\u1ec7u quang h\u1ecdc truy\u1ec1n qua c\u00e1p quang \u0111\u1ebfn c\u00e1c tr\u1ea1m thu ph\u00e1t nh\u1ecf (Remote Unit – RU) trong t\u00f2a nh\u00e0.\n
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          • \u01afu \u0111i\u1ec3m:<\/em> Kh\u00f4ng suy hao t\u00edn hi\u1ec7u, d\u1ec5 m\u1edf r\u1ed9ng, ph\u1ee7 s\u00f3ng \u0111\u1ed3ng \u0111\u1ec1u cho c\u00e1c t\u00f2a nh\u00e0 ch\u1ecdc tr\u1eddi.<\/li>\n<\/ul>\n<\/li>\n
          • Digital DAS:<\/strong> Phi\u00ean b\u1ea3n ti\u1ebfn h\u00f3a c\u1ee7a Active DAS, s\u1ed1 h\u00f3a ho\u00e0n to\u00e0n t\u00edn hi\u1ec7u t\u1eeb b\u0103ng g\u1ed1c (Baseband), mang l\u1ea1i \u0111\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd t\u1eadp trung qua ph\u1ea7n m\u1ec1m.<\/li>\n
          • Small Cell (4G\/5G):<\/strong> Tr\u1ea1m thu ph\u00e1t di \u0111\u1ed9ng b\u00e1n k\u00ednh nh\u1ecf, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t tr\u1ea1m BTS thu nh\u1ecf, x\u1eed l\u00fd tr\u1ef1c ti\u1ebfp l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u data kh\u1ed5ng l\u1ed3.<\/li>\n
          • Neutral Host Small Cell:<\/strong> Gi\u1ea3i ph\u00e1p Small Cell cho ph\u00e9p t\u00edch h\u1ee3p nhi\u1ec1u nh\u00e0 m\u1ea1ng (multi-operator) d\u00f9ng chung m\u1ed9t h\u1ea1 t\u1ea7ng ph\u1ea7n c\u1ee9ng duy nh\u1ea5t.<\/li>\n
          • Private 5G k\u1ebft h\u1ee3p m\u1ea1ng c\u00f4ng c\u1ed9ng:<\/strong> M\u1ea1ng di \u0111\u1ed9ng ri\u00eang bi\u1ec7t d\u00e0nh cho doanh nghi\u1ec7p (ph\u1ee5c v\u1ee5 IoT, t\u1ef1 \u0111\u1ed9ng h\u00f3a, s\u1ea3n xu\u1ea5t th\u00f4ng minh) nh\u01b0ng v\u1eabn c\u00f3 c\u01a1 ch\u1ebfRoaming ho\u1eb7c chia s\u1ebb \u0111\u1ec3 k\u1ebft n\u1ed1i m\u1ea1ng c\u00f4ng c\u1ed9ng khi c\u1ea7n.<\/li>\n
          • Gi\u1ea3i ph\u00e1p Hybrid (Lai t\u1ea1o):<\/strong> K\u1ebft h\u1ee3p linh ho\u1ea1t gi\u1eefa DAS, Small Cell v\u00e0 Wi-Fi nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed \u0111\u1ea7u t\u01b0 (CapEx) v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh (OpEx) cho c\u00e1c kh\u00f4ng gian ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n
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            1. Xu h\u01b0\u1edbng h\u1ea1 t\u1ea7ng tr\u1ecdng \u0111i\u1ec3m: DAS, Small Cell v\u00e0 Neutral Host<\/strong><\/li>\n<\/ol>\n

              T\u1ea1i c\u00e1c \u0111\u1ecba \u0111i\u1ec3m t\u1eadp trung \u0111\u00f4ng ng\u01b0\u1eddi, DAS v\u00e0 Small Cell<\/strong> hi\u1ec7n \u0111\u00f3ng vai tr\u00f2 l\u00e0 hai tr\u1ee5 c\u1ed9t ch\u00ednh kh\u00f4ng th\u1ec3 thay th\u1ebf:<\/p>\n

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              • DAS:<\/strong> \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ph\u1ee7 s\u00f3ng li\u1ec1n m\u1ea1ch (Coverage) t\u1ea1i m\u1ecdi ng\u00f3c ng\u00e1ch c\u1ee7a c\u00f4ng tr\u00ecnh l\u1edbn.<\/li>\n
              • Small Cell:<\/strong> Gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n dung l\u01b0\u1ee3ng (Capacity) t\u1ea1i c\u00e1c khu v\u1ef1c “n\u00f3ng” v\u1ec1 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp.<\/li>\n<\/ul>\n

                B\u00ean c\u1ea1nh \u0111\u00f3, m\u00f4 h\u00ecnh Neutral Host (M\u1ea1ng ch\u1ee7 trung l\u1eadp)<\/strong> \u0111ang l\u00e0 xu h\u01b0\u1edbng t\u1ea5t y\u1ebfu. Thay v\u00ec m\u1ed7i nh\u00e0 m\u1ea1ng t\u1ef1 d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng ri\u00eang g\u00e2y l\u00e3ng ph\u00ed kh\u00f4ng gian v\u00e0 t\u00e0i nguy\u00ean, m\u00f4 h\u00ecnhNeutral Host cho ph\u00e9p chia s\u1ebb chung m\u1ed9t h\u1ea1 t\u1ea7ng ph\u1ea7n c\u1ee9ng, gi\u00fap ch\u1ee7 \u0111\u1ea7u t\u01b0 t\u1ed1i \u01b0u \u0111\u00e1ng k\u1ec3 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00f4ng t\u00e1c b\u1ea3o tr\u00ec.<\/p>\n

                  \n
                1. \u0110\u1ecbnh h\u01b0\u1edbng l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p cho t\u1eebng lo\u1ea1i c\u00f4ng tr\u00ecnh c\u1ee5 th\u1ec3<\/strong><\/li>\n<\/ol>\n

                  \"\"<\/p>\n

                  Kh\u00e1ch s\u1ea1n nh\u1ecf, t\u00f2a nh\u00e0 th\u1ea5p t\u1ea7ng<\/strong><\/p>\n

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                  • Gi\u1ea3i ph\u00e1p \u0111\u1ec1 xu\u1ea5t:<\/strong> Repeater \u0111a b\u0103ng t\u1ea7n ho\u1eb7c Passive DAS.<\/li>\n
                  • L\u00fd do:<\/strong> Khi ngu\u1ed3n s\u00f3ng ngo\u00e0i tr\u1eddi (Macro BTS) t\u1ed1t v\u00e0 \u1ed5n \u0111\u1ecbnh, vi\u1ec7c d\u00f9ng repeater ho\u1eb7c h\u1ec7 th\u1ed1ng DAS th\u1ee5 \u0111\u1ed9ng l\u00e0 \u0111\u1ee7 \u0111\u1ec3 \u0111\u01b0a s\u00f3ng v\u00e0o trong c\u00e1c ph\u00f2ng ngh\u1ec9 m\u00e0 kh\u00f4ng \u0111\u00f2i h\u1ecfi chi ph\u00ed qu\u00e1 l\u1edbn.<\/li>\n<\/ul>\n

                    Kh\u00e1ch s\u1ea1n l\u1edbn, v\u0103n ph\u00f2ng cao t\u1ea7ng, chung c\u01b0 cao c\u1ea5p<\/strong><\/p>\n

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                    • Gi\u1ea3i ph\u00e1p \u0111\u1ec1 xu\u1ea5t:<\/strong> Active DAS, Digital DAS ho\u1eb7c Small Cell \u0111a nh\u00e0 m\u1ea1ng (Neutral Host).<\/li>\n
                    • L\u00fd do:<\/strong> C\u00e1c t\u00f2a nh\u00e0 cao t\u1ea7ng c\u00f3 k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p d\u00e0y \u0111\u1eb7c, \u0111\u1ed9 cao l\u1edbn v\u00e0 s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng \u0111\u1ed3ng th\u1eddi r\u1ea5t \u0111\u00f4ng. Repeater th\u00f4ng th\u01b0\u1eddng s\u1ebd b\u00f3 tay tr\u01b0\u1edbc b\u00e0i to\u00e1n suy hao t\u00edn hi\u1ec7u v\u00e0 qu\u00e1 t\u1ea3i l\u01b0u l\u01b0\u1ee3ng. Active\/Digital DAS ho\u1eb7c Small Cell l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS) chu\u1ea9n 5G.<\/li>\n<\/ul>\n

                      S\u00e2n golf (Khu\u00f4n vi\u00ean r\u1ed9ng l\u1edbn ngo\u00e0i tr\u1eddi)<\/strong><\/p>\n

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                      • Gi\u1ea3i ph\u00e1p \u0111\u1ec1 xu\u1ea5t:<\/strong> Macro coverage t\u1ed1i \u01b0u k\u1ebft h\u1ee3p Repeater ngo\u00e0i tr\u1eddi, Remote Radio Unit (RRU) ho\u1eb7c Small Cell outdoor.<\/li>\n
                      • L\u00fd do:<\/strong> \u0110\u1eb7c th\u00f9 kh\u00f4ng gian m\u1edf, di\u1ec7n t\u00edch h\u00e0ng ch\u1ee5c \u0111\u1ebfn h\u00e0ng tr\u0103m h\u00e9c-ta, b\u1ecb chia c\u1eaft b\u1edfi \u0111\u1ed3i g\u00f2, c\u00e2y xanh. Gi\u1ea3i ph\u00e1p c\u1ea7n t\u1eadp trung v\u00e0o c\u00e1c \u0111i\u1ec3m ph\u00e1t s\u00f3ng \u0111\u1ecbnh h\u01b0\u1edbng kho\u1ea3ng c\u00e1ch xa v\u00e0 ph\u1ee7 s\u00f3ng v\u00f9ng tr\u0169ng.<\/li>\n<\/ul>\n

                        S\u00e2n v\u1eadn \u0111\u1ed9ng, nh\u00e0 \u0111\u1ea5u tr\u01b0\u1eddng l\u1edbn<\/strong><\/p>\n

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                        • Gi\u1ea3i ph\u00e1p \u0111\u1ec1 xu\u1ea5t:<\/strong> Active\/Digital DAS m\u1eadt \u0111\u1ed9 cao k\u1ebft h\u1ee3p Small Cell dung l\u01b0\u1ee3ng cao.<\/li>\n<\/ul>\n

                          L\u00fd do:<\/strong> \u0110\u00e2y l\u00e0 nh\u1eefng “\u0111i\u1ec3m n\u00f3ng” t\u1ed1i th\u01b0\u1ee3ng v\u1ec1 m\u1eadt \u0111\u1ed9 ng\u01b0\u1eddi d\u00f9ng (h\u00e0ng ch\u1ee5c ng\u00e0n ng\u01b0\u1eddi t\u1eadp trung trong m\u1ed9t kho\u1ea3ng kh\u00f4ng gian h\u1eb9p). Repeater \u0111\u01a1n thu\u1ea7n ho\u00e0n to\u00e0n th\u1ea5t b\u1ea1i<\/strong> trong vi\u1ec7c gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u. H\u1ec7 th\u1ed1ng ph\u1ea3i d\u00f9ng DAS k\u1ebft h\u1ee3p Small Cell ph\u00e2n chia sector th\u00f4ng minh \u0111\u1ec3 g\u00e1nh l\u01b0\u1ee3ng traffic kh\u1ed5ng l\u1ed3 t\u1eeb c\u00e1c bu\u1ed5i bi\u1ec3u di\u1ec5n, tr\u1eadn \u0111\u1ea5u b\u00f3ng \u0111\u00e1.<\/p>\n","protected":false},"excerpt":{"rendered":"

                          C\u00e1ch l\u1ef1a ch\u1ecdn c\u00e1c gi\u1ea3i ph\u00e1p ph\u1ee7 s\u00f3ng di \u0111\u1ed9ng (Repeater, Passive\/Active\/Digital DAS, Small Cell, Neutral Host, Private 5G) ph\u00f9 h\u1ee3p cho t\u1eebng lo\u1ea1i c\u00f4ng tr\u00ecnh t\u1eeb kh\u00e1ch s\u1ea1n nh\u1ecf \u0111\u1ebfn s\u00e2n v\u1eadn \u0111\u1ed9ng l\u1edbn, gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed \u0111\u1ea7u t\u01b0.<\/p>\n","protected":false},"author":1,"featured_media":47927,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3703,3705],"tags":[],"class_list":["post-47926","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dien-nhe","category-kich-song"],"yoast_head":"\nKh\u00f4ng ph\u1ea3i c\u00f4ng tr\u00ecnh n\u00e0o c\u0169ng n\u00ean d\u00f9ng repeater: C\u00e1ch l\u1ef1a ch\u1ecdn \u0111\u00fang gi\u1ea3i ph\u00e1p ph\u1ee7 s\u00f3ng C\u00e1ch l\u1ef1a ch\u1ecdn \u0111\u00fang gi\u1ea3i ph\u00e1p ph\u1ee7 s\u00f3ng di \u0111\u1ed9ng<\/title>\n<meta name=\"description\" content=\"Kh\u00e1m ph\u00e1 c\u00e1ch l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u1ee7 s\u00f3ng di \u0111\u1ed9ng chu\u1ea9n x\u00e1c cho t\u1eebng lo\u1ea1i c\u00f4ng tr\u00ecnh. 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