{"id":47934,"date":"2026-07-28T16:53:48","date_gmt":"2026-07-28T09:53:48","guid":{"rendered":"https:\/\/vinastech.vn\/?p=47934"},"modified":"2026-07-28T16:58:21","modified_gmt":"2026-07-28T09:58:21","slug":"giai-phap-phu-song-cho-toa-nha-van-phong-cao-tang","status":"publish","type":"post","link":"https:\/\/vinastech.vn\/giai-phap-phu-song-cho-toa-nha-van-phong-cao-tang\/","title":{"rendered":"Gi\u1ea3i ph\u00e1p ph\u1ee7 s\u00f3ng cho t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng cao t\u1ea7ng"},"content":{"rendered":"<p><strong>IBS\/DAS cho t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng: B\u1ea3o \u0111\u1ea3m li\u00ean l\u1ea1c \u1ed5n \u0111\u1ecbnh trong m\u1ecdi t\u1ea7ng v\u00e0 m\u1ecdi khu v\u1ef1c<\/strong><\/p>\n<p><strong>T\u1ed5ng quan<\/strong><\/p>\n<p>C\u00e1c t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng hi\u1ec7n \u0111\u1ea1i ng\u00e0y c\u00e0ng s\u1eed d\u1ee5ng nhi\u1ec1u v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng suy hao s\u00f3ng v\u00f4 tuy\u1ebfn r\u1ea5t l\u1edbn nh\u01b0 k\u00ednh Low-E, k\u00ednh ph\u1ea3n x\u1ea1 nhi\u1ec7t, t\u01b0\u1eddng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p d\u00e0y, l\u00f5i k\u1ef9 thu\u1eadt b\u1eb1ng th\u00e9p, h\u1ec7 th\u1ed1ng ph\u00f2ng m\u00e1y \u0111\u1ea1t chu\u1ea9n EMI, c\u1eeda ch\u1ed1ng ch\u00e1y nhi\u1ec1u l\u1edbp v\u00e0 c\u00e1c k\u1ebft c\u1ea5u kim lo\u1ea1i ph\u1ee9c t\u1ea1p. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y l\u00e0m t\u00edn hi\u1ec7u t\u1eeb c\u00e1c tr\u1ea1m BTS Macro ngo\u00e0i tr\u1eddi suy gi\u1ea3m t\u1eeb 20\u201345 dB, th\u1eadm ch\u00ed tr\u00ean 60 dB \u1edf c\u00e1c t\u1ea7ng h\u1ea7m ho\u1eb7c khu v\u1ef1c trung t\u00e2m c\u1ee7a t\u00f2a nh\u00e0.<\/p>\n<p>Trong khi \u0111\u00f3, m\u1eadt \u0111\u1ed9 ng\u01b0\u1eddi d\u00f9ng t\u1ea1i c\u00e1c cao \u1ed1c v\u0103n ph\u00f2ng th\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng r\u1ea5t m\u1ea1nh theo th\u1eddi gian trong ng\u00e0y. M\u1ed9t t\u1ea7ng c\u00f3 th\u1ec3 ch\u1ec9 c\u00f3 v\u00e0i ch\u1ee5c ng\u01b0\u1eddi v\u00e0o bu\u1ed5i s\u00e1ng nh\u01b0ng t\u0103ng l\u00ean v\u00e0i tr\u0103m thi\u1ebft b\u1ecb \u0111\u1ed3ng th\u1eddi trong c\u00e1c khung gi\u1edd h\u1ecdp, h\u1ed9i th\u1ea3o ho\u1eb7c s\u1ef1 ki\u1ec7n doanh nghi\u1ec7p. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra y\u00eau c\u1ea7u r\u1ea5t cao \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng ph\u1ee7 s\u00f3ng trong nh\u00e0 (Indoor Coverage System) c\u1ea3 v\u1ec1 v\u00f9ng ph\u1ee7 (Coverage), dung l\u01b0\u1ee3ng (Capacity), ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS) v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai.<\/p>\n<p>Gi\u1ea3i ph\u00e1p Indoor Base Station (IBS) k\u1ebft h\u1ee3p Distributed Antenna System (DAS) hi\u1ec7n l\u00e0 ki\u1ebfn tr\u00fac ti\u00eau chu\u1ea9n cho c\u00e1c t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng h\u1ea1ng A, trung t\u00e2m t\u00e0i ch\u00ednh, tr\u1ee5 s\u1edf doanh nghi\u1ec7p v\u00e0 t\u1ed5 h\u1ee3p v\u0103n ph\u00f2ng quy m\u00f4 l\u1edbn.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47935\" src=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-chi-tiet.png\" alt=\"\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-chi-tiet.png 1536w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-chi-tiet-600x400.png 600w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-chi-tiet-1200x800.png 1200w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-chi-tiet-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p><strong>C\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf \u0111\u1ed1i v\u1edbi t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng<\/strong><\/p>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng IBS\/DAS kh\u00f4ng ch\u1ec9 c\u1ea7n &#8220;c\u00f3 s\u00f3ng&#8221; m\u00e0 ph\u1ea3i b\u1ea3o \u0111\u1ea3m \u0111\u1ed3ng th\u1eddi c\u00e1c m\u1ee5c ti\u00eau sau:<\/p>\n<ul>\n<li>Ph\u1ee7 s\u00f3ng li\u00ean t\u1ee5c t\u1eeb t\u1ea7ng h\u1ea7m \u0111\u1ebfn t\u1ea7ng m\u00e1i.<\/li>\n<li>H\u1ed7 tr\u1ee3 \u0111\u1ed3ng th\u1eddi nhi\u1ec1u nh\u00e0 m\u1ea1ng.<\/li>\n<li>\u0110\u00e1p \u1ee9ng l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u cao.<\/li>\n<li>Gi\u1ea3m thi\u1ec3u giao thoa v\u1edbi m\u1ea1ng Macro.<\/li>\n<li>Cho ph\u00e9p m\u1edf r\u1ed9ng l\u00ean 5G m\u00e0 kh\u00f4ng ph\u1ea3i thay \u0111\u1ed5i to\u00e0n b\u1ed9 h\u1ea1 t\u1ea7ng.<\/li>\n<li>D\u1ec5 d\u00e0ng v\u1eadn h\u00e0nh trong su\u1ed1t v\u00f2ng \u0111\u1eddi 10\u201315 n\u0103m c\u1ee7a t\u00f2a nh\u00e0.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau n\u00e0y, qu\u00e1 tr\u00ecnh kh\u1ea3o s\u00e1t v\u00e0 thi\u1ebft k\u1ebf ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ngay t\u1eeb giai \u0111o\u1ea1n ho\u00e0n thi\u1ec7n c\u00f4ng tr\u00ecnh.<\/p>\n<p><strong>Kh\u1ea3o s\u00e1t t\u00edn hi\u1ec7u theo t\u1eebng t\u1ea7ng v\u00e0 t\u1eebng nh\u00e0 m\u1ea1ng<\/strong><\/p>\n<p>Kh\u1ea3o s\u00e1t RF (RF Survey) l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<p>Vi\u1ec7c kh\u1ea3o s\u00e1t kh\u00f4ng ch\u1ec9 \u0111o c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u (RSRP) m\u00e0 c\u00f2n ph\u1ea3i \u0111\u00e1nh gi\u00e1:<\/p>\n<ul>\n<li>SINR<\/li>\n<li>RSRQ<\/li>\n<li>PCI<\/li>\n<li>CQI<\/li>\n<li>Throughput Download<\/li>\n<li>Throughput Upload<\/li>\n<li>Latency<\/li>\n<li>Handover Success Rate<\/li>\n<\/ul>\n<p>M\u1ed7i nh\u00e0 m\u1ea1ng c\u00f3 c\u1ea5u h\u00ecnh m\u1ea1ng kh\u00e1c nhau n\u00ean c\u1ea7n kh\u1ea3o s\u00e1t \u0111\u1ed9c l\u1eadp cho t\u1eebng nh\u00e0 m\u1ea1ng.<\/p>\n<p>V\u00ed d\u1ee5:<\/p>\n<ul>\n<li>Nh\u00e0 m\u1ea1ng A c\u00f3 t\u00edn hi\u1ec7u m\u1ea1nh \u1edf t\u1ea7ng th\u1ea5p nh\u01b0ng y\u1ebfu \u1edf t\u1ea7ng cao.<\/li>\n<li>Nh\u00e0 m\u1ea1ng B c\u00f3 nhi\u1ec1u Macro Cell h\u01b0\u1edbng v\u1ec1 m\u1eb7t tr\u01b0\u1edbc t\u00f2a nh\u00e0.<\/li>\n<li>Nh\u00e0 m\u1ea1ng C s\u1eed d\u1ee5ng nhi\u1ec1u b\u0103ng t\u1ea7n 1800 MHz v\u00e0 2100 MHz.<\/li>\n<\/ul>\n<p>N\u1ebfu ch\u1ec9 kh\u1ea3o s\u00e1t m\u1ed9t nh\u00e0 m\u1ea1ng s\u1ebd d\u1eabn \u0111\u1ebfn sai l\u1ec7ch trong thi\u1ebft k\u1ebf Neutral Host.<\/p>\n<p>Ngo\u00e0i kh\u1ea3o s\u00e1t trong nh\u00e0 c\u00f2n c\u1ea7n kh\u1ea3o s\u00e1t:<\/p>\n<ul>\n<li>Azimuth c\u1ee7a c\u00e1c Macro Cell xung quanh.<\/li>\n<li>Downtilt anten.<\/li>\n<li>Kho\u1ea3ng c\u00e1ch t\u1edbi BTS.<\/li>\n<li>C\u00f4ng su\u1ea5t ph\u00e1t.<\/li>\n<li>Cell Loading.<\/li>\n<\/ul>\n<p>C\u00e1c th\u00f4ng s\u1ed1 n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng Pilot Pollution v\u00e0 Cell Overlap.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47936\" src=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong.png\" alt=\"\" width=\"1672\" height=\"941\" srcset=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong.png 1672w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-711x400.png 711w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-1400x788.png 1400w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-768x432.png 768w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-1536x864.png 1536w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/IBSDAS-cho-toa-nha-van-phong-600x338.png 600w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/p>\n<p><strong>Ph\u00e2n chia v\u00f9ng ph\u1ee7 theo chi\u1ec1u cao c\u1ee7a t\u00f2a nh\u00e0<\/strong><\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c cao \u1ed1c tr\u00ean 20 t\u1ea7ng, \u0111\u1eb7c \u0111i\u1ec3m lan truy\u1ec1n s\u00f3ng thay \u0111\u1ed5i theo \u0111\u1ed9 cao.<\/p>\n<p>Th\u00f4ng th\u01b0\u1eddng chia th\u00e0nh ba v\u00f9ng:<\/p>\n<p><strong>Zone 1 \u2013 T\u1ea7ng th\u1ea5p<\/strong><\/p>\n<p>Kho\u1ea3ng t\u1ea7ng 1\u20138.<\/p>\n<p>\u0110\u00e2y l\u00e0 khu v\u1ef1c ch\u1ecbu \u1ea3nh h\u01b0\u1edfng m\u1ea1nh nh\u1ea5t t\u1eeb BTS ngo\u00e0i tr\u1eddi.<\/p>\n<p>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m:<\/p>\n<ul>\n<li>T\u00edn hi\u1ec7u Macro m\u1ea1nh.<\/li>\n<li>Nhi\u1ec1u Cell ch\u1ed3ng l\u1ea5n.<\/li>\n<li>SINR th\u01b0\u1eddng th\u1ea5p.<\/li>\n<li>D\u1ec5 x\u1ea3y ra Ping-Pong Handover.<\/li>\n<\/ul>\n<p>Gi\u1ea3i ph\u00e1p:<\/p>\n<ul>\n<li>Gi\u1ea3m c\u00f4ng su\u1ea5t DAS.<\/li>\n<li>\u0110i\u1ec1u ch\u1ec9nh Pilot Level.<\/li>\n<li>T\u0103ng Isolation v\u1edbi Macro.<\/li>\n<\/ul>\n<p><strong>Zone 2 \u2013 T\u1ea7ng gi\u1eefa<\/strong><\/p>\n<p>Kho\u1ea3ng t\u1ea7ng 9\u201320.<\/p>\n<p>\u0110\u00e2y l\u00e0 v\u00f9ng thu\u1eadn l\u1ee3i nh\u1ea5t \u0111\u1ec3 tri\u1ec3n khai IBS.<\/p>\n<p>Macro b\u1eaft \u0111\u1ea7u suy y\u1ebfu nh\u01b0ng ch\u01b0a m\u1ea5t ho\u00e0n to\u00e0n.<\/p>\n<p>Th\u00f4ng th\u01b0\u1eddng ch\u1ec9 c\u1ea7n t\u1ed1i \u01b0u:<\/p>\n<ul>\n<li>Antenna spacing<\/li>\n<li>Downlink Power<\/li>\n<li>Uplink Balance<\/li>\n<\/ul>\n<p><strong>Zone 3 \u2013 T\u1ea7ng cao<\/strong><\/p>\n<p>T\u1eeb t\u1ea7ng 20 tr\u1edf l\u00ean.<\/p>\n<p>\u0110\u1eb7c \u0111i\u1ec3m:<\/p>\n<ul>\n<li>Nh\u00ecn th\u1ea5y r\u1ea5t nhi\u1ec1u Macro Cell.<\/li>\n<li>Cell Dominance thay \u0111\u1ed5i li\u00ean t\u1ee5c.<\/li>\n<li>D\u1ec5 x\u1ea3y ra Pilot Pollution.<\/li>\n<\/ul>\n<p>Thi\u1ebft k\u1ebf c\u1ea7n:<\/p>\n<ul>\n<li>\u0110i\u1ec1u ch\u1ec9nh h\u01b0\u1edbng anten.<\/li>\n<li>T\u0103ng Isolation.<\/li>\n<li>Ki\u1ec3m so\u00e1t c\u00f4ng su\u1ea5t Pilot.<\/li>\n<li>S\u1eed d\u1ee5ng directional antenna \u1edf m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed.<\/li>\n<\/ul>\n<p><strong>Ki\u1ec3m so\u00e1t nhi\u1ec5u t\u1eeb c\u00e1c tr\u1ea1m Macro b\u00ean ngo\u00e0i<\/strong><\/p>\n<p>\u0110\u00e2y l\u00e0 b\u00e0i to\u00e1n ph\u1ee9c t\u1ea1p nh\u1ea5t trong c\u00e1c t\u00f2a nh\u00e0 cao t\u1ea7ng.<\/p>\n<p>N\u1ebfu kh\u00f4ng ki\u1ec3m so\u00e1t t\u1ed1t s\u1ebd xu\u1ea5t hi\u1ec7n:<\/p>\n<ul>\n<li>Cell breathing.<\/li>\n<li>Pilot pollution.<\/li>\n<li>Frequent handover.<\/li>\n<li>Low throughput.<\/li>\n<li>Call Drop.<\/li>\n<\/ul>\n<p>C\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt bao g\u1ed3m:<\/p>\n<p><strong>\u0110i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t ph\u00e1t<\/strong><\/p>\n<p>Kh\u00f4ng ph\u1ea3i ph\u00e1t m\u1ea1nh nh\u1ea5t l\u00e0 t\u1ed1t nh\u1ea5t.<\/p>\n<p>Power Budget c\u1ea7n \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng gi\u1eefa:<\/p>\n<ul>\n<li>Downlink<\/li>\n<li>Uplink<\/li>\n<li>Noise Floor<\/li>\n<li>Cell Edge<\/li>\n<\/ul>\n<p><strong>Ki\u1ec3m so\u00e1t Cell Overlap<\/strong><\/p>\n<p>M\u1ed7i v\u00f9ng ph\u1ee7 ch\u1ec9 n\u00ean c\u00f3 m\u1ed9t Serving Cell chi\u1ebfm \u01b0u th\u1ebf.<\/p>\n<p>Th\u00f4ng th\u01b0\u1eddng:<\/p>\n<ul>\n<li>Dominant Cell &gt; 6 dB so v\u1edbi Neighbor Cell.<\/li>\n<li>Handover Margin ph\u00f9 h\u1ee3p.<\/li>\n<li>Cell Border r\u00f5 r\u00e0ng.<\/li>\n<\/ul>\n<p><strong>T\u0103ng kh\u1ea3 n\u0103ng c\u00e1ch ly<\/strong><\/p>\n<p>Isolation gi\u1eefa DAS v\u00e0 Macro th\u01b0\u1eddng y\u00eau c\u1ea7u:<\/p>\n<ul>\n<li>15 dB \u0111\u1ed1i v\u1edbi LTE.<\/li>\n<li>20 dB \u0111\u1ed1i v\u1edbi 5G NR.<\/li>\n<\/ul>\n<p><strong>Thi\u1ebft k\u1ebf ph\u1ee7 s\u00f3ng trong thang m\u00e1y<\/strong><\/p>\n<p>Thang m\u00e1y l\u00e0 khu v\u1ef1c kh\u00f3 thi\u1ebft k\u1ebf nh\u1ea5t.<\/p>\n<p>Cabin b\u1eb1ng kim lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1ed3ng Faraday.<\/p>\n<p>N\u1ebfu kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng ri\u00eang:<\/p>\n<ul>\n<li>M\u1ea5t cu\u1ed9c g\u1ecdi.<\/li>\n<li>Video Call gi\u00e1n \u0111o\u1ea1n.<\/li>\n<li>Cu\u1ed9c h\u1ecdp tr\u1ef1c tuy\u1ebfn b\u1ecb ng\u1eaft.<\/li>\n<\/ul>\n<p>Th\u00f4ng th\u01b0\u1eddng \u00e1p d\u1ee5ng:<\/p>\n<ul>\n<li>Leaky Feeder Cable.<\/li>\n<li>Directional Antenna theo gi\u1ebfng thang.<\/li>\n<li>Shaft Antenna.<\/li>\n<li>Low Power Remote Unit.<\/li>\n<\/ul>\n<p>C\u1ea7n b\u1ea3o \u0111\u1ea3m:<\/p>\n<ul>\n<li>Handover gi\u1eefa c\u00e1c t\u1ea7ng kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/li>\n<li>Kh\u00f4ng t\u1ea1o giao thoa gi\u1eefa c\u00e1c cabin.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47937\" src=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/Chi-tiet.png\" alt=\"\" width=\"1672\" height=\"941\" srcset=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/Chi-tiet.png 1672w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/Chi-tiet-711x400.png 711w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/Chi-tiet-1400x788.png 1400w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/Chi-tiet-768x432.png 768w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/Chi-tiet-1536x864.png 1536w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/Chi-tiet-600x338.png 600w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/p>\n<p><strong>Thi\u1ebft k\u1ebf ph\u1ee7 s\u00f3ng t\u1ea7ng h\u1ea7m<\/strong><\/p>\n<p>T\u1ea7ng h\u1ea7m c\u00f3 nhi\u1ec1u v\u1eadt c\u1ea3n:<\/p>\n<ul>\n<li>B\u00ea t\u00f4ng d\u00e0y.<\/li>\n<li>Kim lo\u1ea1i.<\/li>\n<li>H\u1ec7 th\u1ed1ng HVAC.<\/li>\n<li>\u0110\u01b0\u1eddng \u1ed1ng k\u1ef9 thu\u1eadt.<\/li>\n<li>Ph\u00f2ng m\u00e1y \u0111i\u1ec7n.<\/li>\n<\/ul>\n<p>Ngo\u00e0i v\u00f9ng \u0111\u1ed7 xe c\u00f2n c\u1ea7n ph\u1ee7 s\u00f3ng cho:<\/p>\n<ul>\n<li>Ph\u00f2ng k\u1ef9 thu\u1eadt.<\/li>\n<li>Trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li>Kho l\u01b0u tr\u1eef.<\/li>\n<li>Ph\u00f2ng UPS.<\/li>\n<li>Ph\u00f2ng m\u00e1y ph\u00e1t \u0111i\u1ec7n.<\/li>\n<\/ul>\n<p>Trong c\u00e1c khu v\u1ef1c r\u1ed9ng, th\u01b0\u1eddng s\u1eed d\u1ee5ng:<\/p>\n<ul>\n<li>Ceiling Antenna.<\/li>\n<li>Directional Panel.<\/li>\n<li>Corridor Coverage.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Thi\u1ebft k\u1ebf cho ph\u00f2ng h\u1ecdp l\u1edbn v\u00e0 h\u1ed9i tr\u01b0\u1eddng<\/strong><\/p>\n<p>Ph\u00f2ng h\u1ecdp hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 ch\u1ee9a:<\/p>\n<ul>\n<li>200\u20131.000 ng\u01b0\u1eddi.<\/li>\n<li>H\u00e0ng ngh\u00ecn thi\u1ebft b\u1ecb \u0111\u1ed3ng th\u1eddi.<\/li>\n<\/ul>\n<p>L\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u th\u01b0\u1eddng t\u0103ng \u0111\u1ed9t bi\u1ebfn khi:<\/p>\n<ul>\n<li>H\u1ed9i ngh\u1ecb tr\u1ef1c tuy\u1ebfn.<\/li>\n<li>Livestream.<\/li>\n<li>H\u1ed9i th\u1ea3o.<\/li>\n<li>\u0110\u00e0o t\u1ea1o.<\/li>\n<\/ul>\n<p>Thi\u1ebft k\u1ebf c\u1ea7n t\u1eadp trung v\u00e0o Capacity thay v\u00ec ch\u1ec9 Coverage.<\/p>\n<p>C\u00e1c gi\u1ea3i ph\u00e1p:<\/p>\n<ul>\n<li>Sector h\u00f3a v\u00f9ng ph\u1ee7.<\/li>\n<li>T\u0103ng s\u1ed1 Remote Unit.<\/li>\n<li>Ph\u00e2n b\u1ed5 Carrier h\u1ee3p l\u00fd.<\/li>\n<li>MIMO nhi\u1ec1u l\u1edbp.<\/li>\n<li>Beamforming \u0111\u1ed1i v\u1edbi 5G.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Ph\u1ee7 s\u00f3ng cho trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 khu k\u1ef9 thu\u1eadt<\/strong><\/p>\n<p>Data Center th\u01b0\u1eddng c\u00f3:<\/p>\n<ul>\n<li>T\u1ee7 Rack kim lo\u1ea1i.<\/li>\n<li>C\u1eeda ch\u1ed1ng nhi\u1ec5u.<\/li>\n<li>H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t.<\/li>\n<li>M\u1eadt \u0111\u1ed9 c\u00e1p cao.<\/li>\n<\/ul>\n<p>Suy hao c\u00f3 th\u1ec3 v\u01b0\u1ee3t 40 dB.<\/p>\n<p>Vi\u1ec7c ph\u1ee7 s\u00f3ng ch\u1ee7 y\u1ebfu nh\u1eb1m:<\/p>\n<ul>\n<li>Li\u00ean l\u1ea1c v\u1eadn h\u00e0nh.<\/li>\n<li>Thi\u1ebft b\u1ecb IoT.<\/li>\n<li>Thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t.<\/li>\n<li>Nh\u00e2n vi\u00ean b\u1ea3o tr\u00ec.<\/li>\n<\/ul>\n<p>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p c\u1ea7n s\u1eed d\u1ee5ng anten \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u1ec3 tr\u00e1nh ph\u1ea3n x\u1ea1 \u0111a \u0111\u01b0\u1eddng.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>H\u1ed7 tr\u1ee3 kh\u00e1ch thu\u00ea v\u1edbi m\u1eadt \u0111\u1ed9 ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau<\/strong><\/p>\n<p>M\u1ed9t t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng th\u01b0\u1eddng c\u00f3 nhi\u1ec1u kh\u00e1ch thu\u00ea v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m s\u1eed d\u1ee5ng r\u1ea5t kh\u00e1c nhau:<\/p>\n<ul>\n<li>C\u00f4ng ty CNTT c\u00f3 l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u r\u1ea5t l\u1edbn.<\/li>\n<li>Ng\u00e2n h\u00e0ng y\u00eau c\u1ea7u \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao.<\/li>\n<li>Trung t\u00e2m \u0111\u00e0o t\u1ea1o t\u1eadp trung \u0111\u00f4ng ng\u01b0\u1eddi theo t\u1eebng khung gi\u1edd.<\/li>\n<li>Doanh nghi\u1ec7p logistics ph\u00e1t sinh nhi\u1ec1u cu\u1ed9c g\u1ecdi tho\u1ea1i.<\/li>\n<li>V\u0103n ph\u00f2ng chia s\u1ebb (Co-working Space) c\u00f3 s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb bi\u1ebfn \u0111\u1ed9ng li\u00ean t\u1ee5c.<\/li>\n<\/ul>\n<p>Do \u0111\u00f3, h\u1ec7 th\u1ed1ng IBS hi\u1ec7n \u0111\u1ea1i c\u1ea7n h\u1ed7 tr\u1ee3:<\/p>\n<ul>\n<li>Dynamic Capacity Allocation.<\/li>\n<li>Load Balancing.<\/li>\n<li>QoS Policy.<\/li>\n<li>QoE Monitoring.<\/li>\n<li>Elastic Resource Management.<\/li>\n<\/ul>\n<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng Active DAS, t\u00e0i nguy\u00ean v\u00f4 tuy\u1ebfn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 linh ho\u1ea1t theo t\u1eebng khu v\u1ef1c ho\u1eb7c t\u1eebng th\u1eddi \u0111i\u1ec3m \u0111\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t khai th\u00e1c.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Qu\u1ea3n l\u00fd t\u1eadp trung v\u00e0 gi\u00e1m s\u00e1t v\u1eadn h\u00e0nh<\/strong><\/p>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng IBS quy m\u00f4 l\u1edbn c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n<ul>\n<li>H\u00e0ng tr\u0103m anten.<\/li>\n<li>H\u00e0ng ch\u1ee5c Remote Unit.<\/li>\n<li>Nhi\u1ec1u Master Unit.<\/li>\n<li>H\u1ec7 th\u1ed1ng ngu\u1ed3n d\u1ef1 ph\u00f2ng.<\/li>\n<li>B\u1ed9 khu\u1ebfch \u0111\u1ea1i v\u00e0 b\u1ed9 chia t\u00edn hi\u1ec7u.<\/li>\n<\/ul>\n<p>Vi\u1ec7c qu\u1ea3n l\u00fd t\u1eadp trung th\u00f4ng qua n\u1ec1n t\u1ea3ng O&amp;M (Operation &amp; Maintenance) gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n<p>C\u00e1c ch\u1ee9c n\u0103ng c\u1ea7n c\u00f3 g\u1ed3m:<\/p>\n<ul>\n<li>Gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i th\u1eddi gian th\u1ef1c.<\/li>\n<li>Theo d\u00f5i m\u1ee9c c\u00f4ng su\u1ea5t t\u1eebng nh\u00e1nh RF.<\/li>\n<li>C\u1ea3nh b\u00e1o m\u1ea5t ngu\u1ed3n, \u0111\u1ee9t c\u00e1p quang, suy hao b\u1ea5t th\u01b0\u1eddng ho\u1eb7c l\u1ed7i ph\u1ea7n c\u1ee9ng.<\/li>\n<li>L\u01b0u tr\u1eef l\u1ecbch s\u1eed c\u1ea3nh b\u00e1o v\u00e0 nh\u1eadt k\u00fd v\u1eadn h\u00e0nh.<\/li>\n<li>Qu\u1ea3n l\u00fd c\u1ea5u h\u00ecnh t\u1eeb xa.<\/li>\n<li>T\u1ef1 \u0111\u1ed9ng t\u1ea1o b\u00e1o c\u00e1o KPI theo th\u1eddi gian.<\/li>\n<\/ul>\n<p>K\u1ebft h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd t\u00f2a nh\u00e0 (BMS) v\u00e0 n\u1ec1n t\u1ea3ng DCIM gi\u00fap h\u00ecnh th\u00e0nh m\u1ed9t m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh th\u1ed1ng nh\u1ea5t cho to\u00e0n b\u1ed9 h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Chu\u1ea9n b\u1ecb l\u1ed9 tr\u00ecnh n\u00e2ng c\u1ea5p t\u1eeb 4G l\u00ean 5G<\/strong><\/p>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 h\u00f4m nay c\u1ea7n \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u khai th\u00e1c trong \u00edt nh\u1ea5t 10 n\u0103m, v\u00ec v\u1eady kh\u1ea3 n\u0103ng n\u00e2ng c\u1ea5p l\u00e0 ti\u00eau ch\u00ed quan tr\u1ecdng ngay t\u1eeb giai \u0111o\u1ea1n thi\u1ebft k\u1ebf.<\/p>\n<p>C\u00e1c h\u1ea1ng m\u1ee5c n\u00ean \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb tr\u01b0\u1edbc g\u1ed3m:<\/p>\n<ul>\n<li>C\u00e1p quang v\u00e0 \u0111\u01b0\u1eddng truy\u1ec1n c\u00f3 \u0111\u1ee7 b\u0103ng th\u00f4ng d\u1ef1 ph\u00f2ng.<\/li>\n<li>H\u1ec7 th\u1ed1ng anten h\u1ed7 tr\u1ee3 \u0111a b\u0103ng t\u1ea7n v\u00e0 d\u1ea3i t\u1ea7n m\u1edf r\u1ed9ng.<\/li>\n<li>Remote Unit h\u1ed7 tr\u1ee3 ki\u1ebfn tr\u00fac \u0111a chu\u1ea9n (Multi-RAT).<\/li>\n<li>Thi\u1ebft b\u1ecb ngu\u1ed3n v\u00e0 l\u00e0m m\u00e1t \u0111\u1ee7 c\u00f4ng su\u1ea5t cho c\u00e1c module 5G.<\/li>\n<li>H\u1ea1 t\u1ea7ng ph\u1ea7n m\u1ec1m cho ph\u00e9p n\u00e2ng c\u1ea5p t\u1eeb xa.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng Active DAS hi\u1ec7n \u0111\u1ea1i, vi\u1ec7c b\u1ed5 sung 5G NR tr\u00ean c\u00e1c b\u0103ng t\u1ea7n Sub-6 GHz th\u01b0\u1eddng ch\u1ec9 y\u00eau c\u1ea7u n\u00e2ng c\u1ea5p ph\u1ea7n m\u1ec1m ho\u1eb7c thay th\u1ebf m\u1ed9t s\u1ed1 m\u00f4-\u0111un v\u00f4 tuy\u1ebfn, trong khi ph\u1ea7n l\u1edbn h\u1ea1 t\u1ea7ng c\u00e1p quang, anten v\u00e0 m\u1ea1ng ph\u00e2n ph\u1ed1i t\u00edn hi\u1ec7u v\u1eabn \u0111\u01b0\u1ee3c gi\u1eef nguy\u00ean.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>M\u00f4 h\u00ecnh Neutral Host \u2013 H\u1ea1 t\u1ea7ng d\u00f9ng chung cho nhi\u1ec1u nh\u00e0 m\u1ea1ng<\/strong><\/p>\n<p>Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c cao \u1ed1c v\u0103n ph\u00f2ng hi\u1ec7n nay l\u00e0 tri\u1ec3n khai m\u00f4 h\u00ecnh Neutral Host, trong \u0111\u00f3 ch\u1ee7 \u0111\u1ea7u t\u01b0 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ea1 t\u1ea7ng IBS\/DAS th\u1ed1ng nh\u1ea5t v\u00e0 cho ph\u00e9p nhi\u1ec1u nh\u00e0 m\u1ea1ng c\u00f9ng khai th\u00e1c tr\u00ean n\u1ec1n t\u1ea3ng chung.<\/p>\n<p>M\u00f4 h\u00ecnh n\u00e0y mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch:<\/p>\n<ul>\n<li>Gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed \u0111\u1ea7u t\u01b0 l\u1eb7p l\u1ea1i c\u1ee7a t\u1eebng nh\u00e0 m\u1ea1ng.<\/li>\n<li>H\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng l\u1eafp \u0111\u1eb7t nhi\u1ec1u h\u1ec7 th\u1ed1ng DAS ri\u00eang bi\u1ec7t g\u00e2y l\u00e3ng ph\u00ed kh\u00f4ng gian v\u00e0 kh\u00f3 qu\u1ea3n l\u00fd.<\/li>\n<li>R\u00fat ng\u1eafn th\u1eddi gian tri\u1ec3n khai d\u1ecbch v\u1ee5 cho kh\u00e1ch thu\u00ea m\u1edbi.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m \u0111\u1ed3ng nh\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng b\u1ea5t k\u1ec3 s\u1eed d\u1ee5ng nh\u00e0 m\u1ea1ng n\u00e0o.<\/li>\n<li>Cho ph\u00e9p m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng ho\u1eb7c b\u1ed5 sung nh\u00e0 m\u1ea1ng m\u1edbi m\u00e0 kh\u00f4ng ph\u1ea3i c\u1ea3i t\u1ea1o l\u1edbn h\u1ea1 t\u1ea7ng.<\/li>\n<\/ul>\n<p>K\u1ebft h\u1ee3p v\u1edbi c\u00e1c n\u1ec1n t\u1ea3ng qu\u1ea3n l\u00fd t\u1eadp trung, ch\u1ee7 \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 gi\u00e1m s\u00e1t hi\u1ec7u n\u0103ng, c\u1ea3nh b\u00e1o s\u1ef1 c\u1ed1, ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng theo t\u1eebng khu v\u1ef1c v\u00e0 t\u1ed1i \u01b0u v\u1eadn h\u00e0nh to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng ph\u1ee7 s\u00f3ng t\u1eeb m\u1ed9t giao di\u1ec7n duy nh\u1ea5t, t\u1ea1o n\u1ec1n t\u1ea3ng s\u1eb5n s\u00e0ng cho c\u00e1c d\u1ecbch v\u1ee5 5G, IoT v\u00e0 t\u00f2a nh\u00e0 th\u00f4ng minh trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thi\u1ebft k\u1ebf IBS\/DAS cho t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng cao t\u1ea7ng l\u00e0 m\u1ed9t b\u00e0i to\u00e1n t\u1ed5ng h\u1ee3p gi\u1eefa quy ho\u1ea1ch v\u00f4 tuy\u1ebfn, t\u1ed1i \u01b0u v\u00f9ng ph\u1ee7, qu\u1ea3n tr\u1ecb dung l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh l\u00e2u d\u00e0i. M\u1ed9t h\u1ec7 th\u1ed1ng th\u00e0nh c\u00f4ng kh\u00f4ng ch\u1ec9 \u0111\u00e1p \u1ee9ng c\u00e1c ch\u1ec9 ti\u00eau RSRP, SINR hay Throughput t\u1ea1i th\u1eddi \u0111i\u1ec3m nghi\u1ec7m thu m\u00e0 c\u00f2n ph\u1ea3i th\u00edch \u1ee9ng v\u1edbi s\u1ef1 thay \u0111\u1ed5i v\u1ec1 m\u1eadt \u0111\u1ed9 ng\u01b0\u1eddi d\u00f9ng, y\u00eau c\u1ea7u c\u1ee7a nhi\u1ec1u kh\u00e1ch thu\u00ea v\u00e0 l\u1ed9 tr\u00ecnh ph\u00e1t tri\u1ec3n t\u1eeb 4G l\u00ean 5G.<br \/>\nVi\u1ec7c \u00e1p d\u1ee5ng ki\u1ebfn tr\u00fac Active DAS k\u1ebft h\u1ee3p m\u00f4 h\u00ecnh Neutral Host c\u00f9ng n\u1ec1n t\u1ea3ng qu\u1ea3n l\u00fd th\u00f4ng minh s\u1ebd gi\u00fap ch\u1ee7 \u0111\u1ea7u t\u01b0 t\u1ed1i \u01b0u chi ph\u00ed s\u1edf h\u1eefu, n\u00e2ng cao gi\u00e1 tr\u1ecb khai th\u00e1c c\u1ee7a t\u00f2a nh\u00e0 v\u00e0 b\u1ea3o \u0111\u1ea3m h\u1ea1 t\u1ea7ng th\u00f4ng tin li\u00ean l\u1ea1c \u1ed5n \u0111\u1ecbnh, linh ho\u1ea1t trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u00f4ng tr\u00ecnh.<\/p>\n","protected":false},"author":1,"featured_media":47935,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3703,3705],"tags":[],"class_list":["post-47934","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dien-nhe","category-kich-song"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gi\u1ea3i ph\u00e1p ph\u1ee7 s\u00f3ng cho t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng cao t\u1ea7ng<\/title>\n<meta name=\"description\" content=\"IBS\/DAS cho t\u00f2a nh\u00e0 v\u0103n ph\u00f2ngIBS\/DAS cho t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng: B\u1ea3o \u0111\u1ea3m li\u00ean l\u1ea1c \u1ed5n \u0111\u1ecbnh trong m\u1ecdi t\u1ea7ng v\u00e0 m\u1ecdi khu v\u1ef1c\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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