{"id":47964,"date":"2026-07-29T15:04:02","date_gmt":"2026-07-29T08:04:02","guid":{"rendered":"https:\/\/vinastech.vn\/?p=47964"},"modified":"2026-07-29T15:04:02","modified_gmt":"2026-07-29T08:04:02","slug":"kiem-thu-nghiem-thu-va-van-hanh-he-thong-phu-song-das-cho-toa-nha-van-phong-cao-tang-lam-the-nao-de-khong-chi-du-vach-song","status":"publish","type":"post","link":"https:\/\/vinastech.vn\/kiem-thu-nghiem-thu-va-van-hanh-he-thong-phu-song-das-cho-toa-nha-van-phong-cao-tang-lam-the-nao-de-khong-chi-du-vach-song\/","title":{"rendered":"Ki\u1ec3m th\u1eed, nghi\u1ec7m thu v\u00e0 v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng ph\u1ee7 s\u00f3ng DAS cho t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng cao t\u1ea7ng: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u00f4ng ch\u1ec9 &#8220;\u0111\u1ee7 v\u1ea1ch s\u00f3ng&#8221;?"},"content":{"rendered":"<p><strong data-start=\"235\" data-end=\"285\">T\u1ed5ng quan v\u1ec1 quy tr\u00ecnh nghi\u1ec7m thu h\u1ec7 th\u1ed1ng DAS<\/strong><\/p>\n<p>Trong nhi\u1ec1u d\u1ef1 \u00e1n ph\u1ee7 s\u00f3ng di \u0111\u1ed9ng trong nh\u00e0, qu\u00e1 tr\u00ecnh nghi\u1ec7m thu th\u01b0\u1eddng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf vi\u1ec7c ki\u1ec3m tra thi\u1ebft b\u1ecb c\u00f3 ho\u1ea1t \u0111\u1ed9ng hay kh\u00f4ng ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i c\u00f3 hi\u1ec3n th\u1ecb \u0111\u1ee7 v\u1ea1ch s\u00f3ng. Tuy nhi\u00ean, \u0111\u00e2y l\u00e0 c\u00e1ch \u0111\u00e1nh gi\u00e1 ch\u01b0a ph\u1ea3n \u00e1nh \u0111\u00fang ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng <strong>Distributed Antenna System (DAS)<\/strong>.<\/p>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng DAS \u0111\u1ea1t y\u00eau c\u1ea7u kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o v\u00f9ng ph\u1ee7 t\u00edn hi\u1ec7u, m\u00e0 c\u00f2n ph\u1ea3i \u0111\u00e1p \u1ee9ng \u0111\u1ed3ng th\u1eddi c\u00e1c ti\u00eau ch\u00ed v\u1ec1 <strong>ch\u1ea5t l\u01b0\u1ee3ng v\u00f4 tuy\u1ebfn (RF Quality), dung l\u01b0\u1ee3ng m\u1ea1ng (Capacity), hi\u1ec7u n\u0103ng d\u1ecbch v\u1ee5 (Service Performance), kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng (Scalability), t\u00ednh s\u1eb5n s\u00e0ng (Availability) v\u00e0 kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh l\u00e2u d\u00e0i (Maintainability)<\/strong>.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng cao t\u1ea7ng, n\u01a1i t\u1eadp trung h\u00e0ng ngh\u00ecn nh\u00e2n vi\u00ean v\u00e0 nhi\u1ec1u doanh nghi\u1ec7p ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c, vi\u1ec7c nghi\u1ec7m thu c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo m\u1ed9t quy tr\u00ecnh k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7, t\u1eeb \u0111o ki\u1ec3m RF, ki\u1ec3m th\u1eed l\u01b0u l\u01b0\u1ee3ng \u0111\u1ebfn \u0111\u00e1nh gi\u00e1 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd v\u00e0 ph\u01b0\u01a1ng \u00e1n v\u1eadn h\u00e0nh sau b\u00e0n giao.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-47965\" src=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/TONG-QUAN-BAI-10-711x400.png\" alt=\"\" width=\"770\" height=\"433\" srcset=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/TONG-QUAN-BAI-10-711x400.png 711w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/TONG-QUAN-BAI-10-1400x788.png 1400w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/TONG-QUAN-BAI-10-768x432.png 768w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/TONG-QUAN-BAI-10-1536x864.png 1536w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/TONG-QUAN-BAI-10-600x338.png 600w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/TONG-QUAN-BAI-10.png 1672w\" sizes=\"auto, (max-width: 770px) 100vw, 770px\" \/><\/p>\n<p><strong>M\u1ee5c ti\u00eau c\u1ee7a c\u00f4ng t\u00e1c nghi\u1ec7m thu h\u1ec7 th\u1ed1ng DAS<\/strong><\/p>\n<p>Qu\u00e1 tr\u00ecnh nghi\u1ec7m thu nh\u1eb1m x\u00e1c nh\u1eadn r\u1eb1ng h\u1ec7 th\u1ed1ng sau khi tri\u1ec3n khai:<\/p>\n<ul>\n<li>\u0110\u1ea1t v\u00f9ng ph\u1ee7 s\u00f3ng theo thi\u1ebft k\u1ebf.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u t\u1ea1i m\u1ecdi khu v\u1ef1c s\u1eed d\u1ee5ng.<\/li>\n<li>\u0110\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 tho\u1ea1i v\u00e0 d\u1eef li\u1ec7u c\u1ee7a t\u1eebng nh\u00e0 m\u1ea1ng.<\/li>\n<li>Ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n t\u1ea3i cao.<\/li>\n<li>S\u1eb5n s\u00e0ng cho c\u00f4ng t\u00e1c v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec d\u00e0i h\u1ea1n.<\/li>\n<\/ul>\n<p>Nghi\u1ec7m thu c\u1ea7n d\u1ef1a tr\u00ean c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u1ecbnh l\u01b0\u1ee3ng thay v\u00ec \u0111\u00e1nh gi\u00e1 c\u1ea3m quan b\u1eb1ng c\u01b0\u1eddng \u0111\u1ed9 s\u00f3ng hi\u1ec3n th\u1ecb tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/p>\n<p><strong>\u0110\u00e1nh gi\u00e1 m\u1ee9c t\u00edn hi\u1ec7u RSRP<\/strong><\/p>\n<p><strong>Reference Signal Received Power (RSRP)<\/strong> l\u00e0 ch\u1ec9 s\u1ed1 ph\u1ea3n \u00e1nh c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u LTE ho\u1eb7c 5G NR t\u1ea1i v\u1ecb tr\u00ed ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p>Vi\u1ec7c \u0111o RSRP gi\u00fap x\u00e1c \u0111\u1ecbnh:<\/p>\n<ul>\n<li>M\u1ee9c ph\u1ee7 s\u00f3ng c\u1ee7a t\u1eebng khu v\u1ef1c.<\/li>\n<li>C\u00e1c \u0111i\u1ec3m suy hao t\u00edn hi\u1ec7u.<\/li>\n<li>Khu v\u1ef1c c\u1ea7n b\u1ed5 sung anten ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t.<\/li>\n<\/ul>\n<p>Th\u00f4ng th\u01b0\u1eddng, c\u00e1c khu v\u1ef1c v\u0103n ph\u00f2ng y\u00eau c\u1ea7u:<\/p>\n<ul>\n<li>RSRP \u2265 -85 dBm t\u1ea1i c\u00e1c khu v\u1ef1c l\u00e0m vi\u1ec7c ch\u00ednh.<\/li>\n<li>Kh\u00f4ng t\u1ed3n t\u1ea1i v\u00f9ng ch\u1ebft (Dead Zone).<\/li>\n<li>T\u1ef7 l\u1ec7 di\u1ec7n t\u00edch \u0111\u1ea1t ng\u01b0\u1ee1ng thi\u1ebft k\u1ebf theo h\u1ee3p \u0111\u1ed3ng.<\/li>\n<\/ul>\n<p>Ngo\u00e0i vi\u1ec7c \u0111o t\u1ea1i c\u00e1c ph\u00f2ng l\u00e0m vi\u1ec7c, c\u1ea7n ki\u1ec3m tra:<\/p>\n<ul>\n<li>H\u00e0nh lang.<\/li>\n<li>Thang m\u00e1y.<\/li>\n<li>S\u1ea3nh.<\/li>\n<li>T\u1ea7ng h\u1ea7m.<\/li>\n<li>Ph\u00f2ng h\u1ecdp.<\/li>\n<li>Khu v\u1ef1c k\u1ef9 thu\u1eadt.<\/li>\n<\/ul>\n<p><strong>\u0110\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u RSRQ v\u00e0 SINR<\/strong><\/p>\n<p>N\u1ebfu RSRP ph\u1ea3n \u00e1nh c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u th\u00ec <strong>RSRQ (Reference Signal Received Quality)<\/strong> v\u00e0 <strong>SINR (Signal to Interference plus Noise Ratio)<\/strong> ph\u1ea3n \u00e1nh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u00f4i tr\u01b0\u1eddng v\u00f4 tuy\u1ebfn.<\/p>\n<p>\u0110\u00e2y l\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 ch\u1ecbu \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp b\u1edfi:<\/p>\n<ul>\n<li>Nhi\u1ec5u \u0111\u1ed3ng k\u00eanh.<\/li>\n<li>Ph\u1ee7 ch\u1ed3ng gi\u1eefa c\u00e1c anten.<\/li>\n<li>C\u00f4ng su\u1ea5t ph\u00e1t.<\/li>\n<li>Thi\u1ebft k\u1ebf sector.<\/li>\n<li>H\u1ec7 th\u1ed1ng macro ngo\u00e0i t\u00f2a nh\u00e0.<\/li>\n<\/ul>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 RSRP m\u1ea1nh nh\u01b0ng SINR th\u1ea5p v\u1eabn c\u00f3 th\u1ec3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m truy c\u1eadp d\u1eef li\u1ec7u k\u00e9m.<\/p>\n<p>Do \u0111\u00f3, nghi\u1ec7m thu c\u1ea7n \u0111\u00e1nh gi\u00e1 \u0111\u1ed3ng th\u1eddi c\u1ea3 ba ch\u1ec9 s\u1ed1 RSRP, RSRQ v\u00e0 SINR \u0111\u1ec3 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c ch\u1ea5t l\u01b0\u1ee3ng v\u00f9ng ph\u1ee7.<\/p>\n<p><strong>Ki\u1ec3m tra t\u1ef7 l\u1ec7 v\u00f9ng ph\u1ee7 \u0111\u1ea1t y\u00eau c\u1ea7u<\/strong><\/p>\n<p>Vi\u1ec7c nghi\u1ec7m thu kh\u00f4ng ch\u1ec9 d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 \u0111i\u1ec3m \u0111o ri\u00eang l\u1ebb m\u00e0 c\u1ea7n \u0111\u00e1nh gi\u00e1 theo t\u1ef7 l\u1ec7 di\u1ec7n t\u00edch ho\u1eb7c t\u1ef7 l\u1ec7 v\u1ecb tr\u00ed \u0111\u1ea1t chu\u1ea9n.<\/p>\n<p>C\u00e1c khu v\u1ef1c c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean:<\/p>\n<ul>\n<li>Khu v\u1ef1c l\u00e0m vi\u1ec7c.<\/li>\n<li>Ph\u00f2ng h\u1ecdp.<\/li>\n<li>Trung t\u00e2m d\u1eef li\u1ec7u.<\/li>\n<li>Khu v\u1ef1c l\u1ec5 t\u00e2n.<\/li>\n<li>Thang m\u00e1y.<\/li>\n<li>T\u1ea7ng h\u1ea7m.<\/li>\n<li>Khu v\u1ef1c k\u1ef9 thu\u1eadt.<\/li>\n<\/ul>\n<p>B\u1ea3n \u0111\u1ed3 Heatmap RF n\u00ean \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 tr\u1ef1c quan h\u00f3a:<\/p>\n<ul>\n<li>C\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u.<\/li>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u.<\/li>\n<li>Ph\u00e2n b\u1ed1 v\u00f9ng ph\u1ee7.<\/li>\n<li>C\u00e1c khu v\u1ef1c c\u1ea7n t\u1ed1i \u01b0u.<\/li>\n<\/ul>\n<p><strong>Ki\u1ec3m th\u1eed t\u1ed1c \u0111\u1ed9 Download v\u00e0 Upload<\/strong><\/p>\n<p>Sau khi x\u00e1c nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng RF, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 ki\u1ec3m tra hi\u1ec7u n\u0103ng d\u1ecbch v\u1ee5.<\/p>\n<p>C\u00e1c b\u00e0i ki\u1ec3m th\u1eed n\u00ean bao g\u1ed3m:<\/p>\n<ul>\n<li>Download Throughput.<\/li>\n<li>Upload Throughput.<\/li>\n<li>Truy c\u1eadp \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p.<\/li>\n<li>Truy\u1ec1n t\u1ec7p dung l\u01b0\u1ee3ng l\u1edbn.<\/li>\n<li>H\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh.<\/li>\n<li>D\u1ecbch v\u1ee5 th\u1eddi gian th\u1ef1c.<\/li>\n<\/ul>\n<p>Vi\u1ec7c \u0111o ki\u1ec3m c\u1ea7n th\u1ef1c hi\u1ec7n tr\u00ean t\u1eebng nh\u00e0 m\u1ea1ng v\u00e0 t\u1ea1i nhi\u1ec1u v\u1ecb tr\u00ed kh\u00e1c nhau \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ednh \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<p><strong>Ki\u1ec3m tra \u0111\u1ed9 tr\u1ec5 (Latency)<\/strong><\/p>\n<p>\u0110\u1ed9 tr\u1ec5 th\u1ea5p l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i nh\u01b0:<\/p>\n<ul>\n<li>H\u1ecdp tr\u1ef1c tuy\u1ebfn.<\/li>\n<li>\u0110i\u1ec7n tho\u1ea1i IP.<\/li>\n<li>\u1ee8ng d\u1ee5ng \u0111\u00e1m m\u00e2y.<\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n t\u1eeb xa.<\/li>\n<li>H\u1ec7 th\u1ed1ng IoT.<\/li>\n<\/ul>\n<p>B\u00e0i ki\u1ec3m th\u1eed c\u1ea7n \u0111o:<\/p>\n<ul>\n<li>RTT (Round Trip Time).<\/li>\n<li>Jitter.<\/li>\n<li>Packet Loss.<\/li>\n<\/ul>\n<p>Nh\u1eefng th\u00f4ng s\u1ed1 n\u00e0y gi\u00fap \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng c\u1ee7a m\u1ea1ng trong m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c th\u1ef1c t\u1ebf.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-47966\" src=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/CHUYEN-SAU-BAI-10-711x400.png\" alt=\"\" width=\"770\" height=\"433\" srcset=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/CHUYEN-SAU-BAI-10-711x400.png 711w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/CHUYEN-SAU-BAI-10-1400x788.png 1400w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/CHUYEN-SAU-BAI-10-768x432.png 768w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/CHUYEN-SAU-BAI-10-1536x864.png 1536w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/CHUYEN-SAU-BAI-10-600x338.png 600w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/07\/CHUYEN-SAU-BAI-10.png 1672w\" sizes=\"auto, (max-width: 770px) 100vw, 770px\" \/><\/p>\n<p><strong>Ki\u1ec3m th\u1eed d\u1ecbch v\u1ee5 tho\u1ea1i<\/strong><\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p v\u1eabn s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 tho\u1ea1i truy\u1ec1n th\u1ed1ng ho\u1eb7c VoLTE, nghi\u1ec7m thu c\u1ea7n \u0111\u00e1nh gi\u00e1:<\/p>\n<ul>\n<li>T\u1ef7 l\u1ec7 thi\u1ebft l\u1eadp cu\u1ed9c g\u1ecdi th\u00e0nh c\u00f4ng (Call Setup Success Rate).<\/li>\n<li>Th\u1eddi gian thi\u1ebft l\u1eadp cu\u1ed9c g\u1ecdi.<\/li>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh.<\/li>\n<li>T\u1ef7 l\u1ec7 r\u1edbt cu\u1ed9c g\u1ecdi (Call Drop Rate).<\/li>\n<li>T\u1ef7 l\u1ec7 gi\u1eef k\u1ebft n\u1ed1i trong su\u1ed1t th\u1eddi gian \u0111\u00e0m tho\u1ea1i.<\/li>\n<\/ul>\n<p>Vi\u1ec7c \u0111o ki\u1ec3m n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 m\u1ea1ng khai th\u00e1c tr\u00ean h\u1ec7 th\u1ed1ng DAS.<\/p>\n<p><strong>\u0110\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng Handover<\/strong><\/p>\n<p>Trong t\u00f2a nh\u00e0 cao t\u1ea7ng, ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng di chuy\u1ec3n li\u00ean t\u1ee5c gi\u1eefa:<\/p>\n<ul>\n<li>C\u00e1c t\u1ea7ng.<\/li>\n<li>Thang m\u00e1y.<\/li>\n<li>H\u00e0nh lang.<\/li>\n<li>B\u00e3i \u0111\u1ed7 xe.<\/li>\n<li>Khu v\u1ef1c ngo\u00e0i tr\u1eddi.<\/li>\n<\/ul>\n<p>H\u1ec7 th\u1ed1ng c\u1ea7n \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh chuy\u1ec3n giao gi\u1eefa c\u00e1c cell ho\u1eb7c gi\u1eefa DAS v\u00e0 m\u1ea1ng macro di\u1ec5n ra li\u00ean t\u1ee5c, kh\u00f4ng g\u00e2y gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5.<\/p>\n<p>C\u00e1c ch\u1ec9 s\u1ed1 c\u1ea7n theo d\u00f5i g\u1ed3m:<\/p>\n<ul>\n<li>Handover Success Rate.<\/li>\n<li>Handover Failure Rate.<\/li>\n<li>Ping-pong Handover.<\/li>\n<li>Radio Link Failure.<\/li>\n<\/ul>\n<p><strong>Ki\u1ec3m th\u1eed kh\u1ea3 n\u0103ng truy c\u1eadp \u0111\u1ed3ng th\u1eddi<\/strong><\/p>\n<p>M\u1ed9t t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng c\u00f3 th\u1ec3 t\u1eadp trung h\u00e0ng ngh\u00ecn ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u1ea1ng c\u00f9ng l\u00fac v\u00e0o c\u00e1c khung gi\u1edd cao \u0111i\u1ec3m.<\/p>\n<p>Do \u0111\u00f3 c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m th\u1eed t\u1ea3i nh\u1eb1m \u0111\u00e1nh gi\u00e1:<\/p>\n<ul>\n<li>S\u1ed1 l\u01b0\u1ee3ng k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi.<\/li>\n<li>Hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean v\u00f4 tuy\u1ebfn.<\/li>\n<li>Kh\u1ea3 n\u0103ng ph\u00e2n b\u1ed5 t\u1ea3i gi\u1eefa c\u00e1c sector.<\/li>\n<li>M\u1ee9c s\u1eed d\u1ee5ng PRB.<\/li>\n<li>Throughput trung b\u00ecnh tr\u00ean m\u1ed7i ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n<p>\u0110\u00e2y l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 x\u00e1c nh\u1eadn h\u1ec7 th\u1ed1ng \u0111\u00e1p \u1ee9ng \u0111\u00fang thi\u1ebft k\u1ebf dung l\u01b0\u1ee3ng ban \u0111\u1ea7u.<\/p>\n<p><strong>Ki\u1ec3m tra nhi\u1ec5u Uplink v\u00e0 Downlink<\/strong><\/p>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng DAS ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 ph\u1ea3i duy tr\u00ec m\u1ee9c nhi\u1ec5u th\u1ea5p tr\u00ean c\u1ea3 hai chi\u1ec1u truy\u1ec1n d\u1eabn.<\/p>\n<p>Qu\u00e1 tr\u00ecnh \u0111o ki\u1ec3m c\u1ea7n \u0111\u00e1nh gi\u00e1:<\/p>\n<ul>\n<li>Uplink Noise Floor.<\/li>\n<li>Downlink Interference.<\/li>\n<li>C\u00f4ng su\u1ea5t ph\u00e1t c\u1ee7a Remote Unit.<\/li>\n<li>M\u1ee9c c\u00e1ch ly gi\u1eefa c\u00e1c anten.<\/li>\n<li>T\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng macro xung quanh.<\/li>\n<\/ul>\n<p>Vi\u1ec7c ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c ngu\u1ed3n nhi\u1ec5u s\u1ebd gi\u00fap gi\u1ea3m nguy c\u01a1 suy gi\u1ea3m hi\u1ec7u n\u0103ng sau khi \u0111\u01b0a h\u1ec7 th\u1ed1ng v\u00e0o khai th\u00e1c.<\/p>\n<p><strong>Ki\u1ec3m tra h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd v\u00e0 ngu\u1ed3n d\u1ef1 ph\u00f2ng<\/strong><\/p>\n<p>Ngo\u00e0i ph\u1ea7n v\u00f4 tuy\u1ebfn, c\u00e1c th\u00e0nh ph\u1ea7n h\u1ea1 t\u1ea7ng c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c nghi\u1ec7m thu \u0111\u1ea7y \u0111\u1ee7, bao g\u1ed3m:<\/p>\n<ul>\n<li>Alarm ph\u1ea7n c\u1ee9ng.<\/li>\n<li>Alarm truy\u1ec1n d\u1eabn.<\/li>\n<li>Alarm ngu\u1ed3n.<\/li>\n<li>Tr\u1ea1ng th\u00e1i Remote Unit.<\/li>\n<li>K\u1ebft n\u1ed1i OAM.<\/li>\n<li>Gi\u00e1m s\u00e1t t\u1eeb xa.<\/li>\n<li>UPS.<\/li>\n<li>H\u1ec7 th\u1ed1ng ngu\u1ed3n DC.<\/li>\n<li>M\u00e1y ph\u00e1t \u0111i\u1ec7n d\u1ef1 ph\u00f2ng (n\u1ebfu c\u00f3).<\/li>\n<\/ul>\n<p>M\u1ee5c ti\u00eau l\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh li\u00ean t\u1ee5c ngay c\u1ea3 khi x\u1ea3y ra s\u1ef1 c\u1ed1 ngu\u1ed3n ho\u1eb7c l\u1ed7i thi\u1ebft b\u1ecb.<\/p>\n<p><strong>Ki\u1ec3m th\u1eed ri\u00eang cho t\u1eebng nh\u00e0 m\u1ea1ng<\/strong><\/p>\n<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng Neutral Host DAS, m\u1ed7i nh\u00e0 m\u1ea1ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng:<\/p>\n<ul>\n<li>B\u0103ng t\u1ea7n kh\u00e1c nhau.<\/li>\n<li>C\u00f4ng su\u1ea5t kh\u00e1c nhau.<\/li>\n<li>C\u1ea5u h\u00ecnh MIMO kh\u00e1c nhau.<\/li>\n<li>Chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u kh\u00e1c nhau.<\/li>\n<\/ul>\n<p>Do \u0111\u00f3, vi\u1ec7c nghi\u1ec7m thu ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed9c l\u1eadp cho t\u1eebng nh\u00e0 m\u1ea1ng, tr\u00e1nh s\u1eed d\u1ee5ng k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t m\u1ea1ng \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<p><strong>Quy tr\u00ecnh ki\u1ec3m th\u1eed nhi\u1ec1u giai \u0111o\u1ea1n<\/strong><\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh quy m\u00f4 l\u1edbn ho\u1eb7c c\u00f3 m\u1eadt \u0111\u1ed9 s\u1eed d\u1ee5ng cao, qu\u00e1 tr\u00ecnh nghi\u1ec7m thu n\u00ean chia th\u00e0nh ba l\u1edbp:<\/p>\n<ol>\n<li><strong> Ki\u1ec3m th\u1eed k\u1ef9 thu\u1eadt sau khi ho\u00e0n th\u00e0nh l\u1eafp \u0111\u1eb7t<\/strong><\/li>\n<\/ol>\n<p>M\u1ee5c ti\u00eau:<\/p>\n<ul>\n<li>X\u00e1c nh\u1eadn v\u00f9ng ph\u1ee7.<\/li>\n<li>Ki\u1ec3m tra k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb.<\/li>\n<li>\u0110o ki\u1ec3m RF c\u01a1 b\u1ea3n.<\/li>\n<li>Ki\u1ec3m tra alarm v\u00e0 ngu\u1ed3n.<\/li>\n<\/ul>\n<ol start=\"2\">\n<li><strong> Ki\u1ec3m th\u1eed t\u1ea3i m\u00f4 ph\u1ecfng<\/strong><\/li>\n<\/ol>\n<p>Th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra v\u1edbi s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb truy c\u1eadp \u0111\u1ed3ng th\u1eddi nh\u1eb1m \u0111\u00e1nh gi\u00e1:<\/p>\n<ul>\n<li>Kh\u1ea3 n\u0103ng x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng.<\/li>\n<li>Hi\u1ec7u n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n<li>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<ol start=\"3\">\n<li><strong> Ki\u1ec3m th\u1eed trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf<\/strong><\/li>\n<\/ol>\n<p>Sau khi t\u00f2a nh\u00e0 \u0111i v\u00e0o khai th\u00e1c, c\u1ea7n ti\u1ebfp t\u1ee5c:<\/p>\n<ul>\n<li>\u0110o ki\u1ec3m \u0111\u1ecbnh k\u1ef3.<\/li>\n<li>Thu th\u1eadp KPI.<\/li>\n<li>Ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng.<\/li>\n<li>T\u1ed1i \u01b0u v\u00f9ng ph\u1ee7.<\/li>\n<li>\u0110i\u1ec1u ch\u1ec9nh c\u1ea5u h\u00ecnh RF khi c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n<p>\u0110\u00e2y l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 h\u1ec7 th\u1ed1ng duy tr\u00ec hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong su\u1ed1t v\u00f2ng \u0111\u1eddi khai th\u00e1c.<\/p>\n<p><strong>H\u1ed3 s\u01a1 b\u00e0n giao h\u1ec7 th\u1ed1ng<\/strong><\/p>\n<p>M\u1ed9t d\u1ef1 \u00e1n DAS ho\u00e0n ch\u1ec9nh c\u1ea7n b\u00e0n giao \u0111\u1ea7y \u0111\u1ee7 h\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c v\u1eadn h\u00e0nh l\u00e2u d\u00e0i, bao g\u1ed3m:<\/p>\n<ul>\n<li>B\u00e1o c\u00e1o kh\u1ea3o s\u00e1t hi\u1ec7n tr\u1ea1ng tr\u01b0\u1edbc tri\u1ec3n khai.<\/li>\n<li>B\u00e1o c\u00e1o \u0111o ki\u1ec3m sau tri\u1ec3n khai.<\/li>\n<li>B\u1ea3n v\u1ebd ho\u00e0n c\u00f4ng (As-built Drawings).<\/li>\n<li>S\u01a1 \u0111\u1ed3 ph\u1ee7 s\u00f3ng v\u00e0 ph\u00e2n chia sector.<\/li>\n<li>S\u01a1 \u0111\u1ed3 k\u1ebft n\u1ed1i quang, c\u00e1p \u0111\u1ed3ng v\u00e0 ngu\u1ed3n.<\/li>\n<li>Danh s\u00e1ch anten, c\u00e1p feeder, splitter, coupler, Remote Unit, Head-End v\u00e0 thi\u1ebft b\u1ecb ngu\u1ed3n.<\/li>\n<li>K\u1ebft qu\u1ea3 \u0111o ki\u1ec3m RF v\u00e0 ki\u1ec3m th\u1eed hi\u1ec7u n\u0103ng.<\/li>\n<li>C\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng v\u00e0 th\u00f4ng s\u1ed1 thi\u1ebft b\u1ecb.<\/li>\n<li>Quy tr\u00ecnh v\u1eadn h\u00e0nh ti\u00eau chu\u1ea9n (SOP).<\/li>\n<li>Quy tr\u00ecnh x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/li>\n<li>Danh m\u1ee5c v\u1eadt t\u01b0 v\u00e0 ph\u1ee5 t\u00f9ng d\u1ef1 ph\u00f2ng.<\/li>\n<li>K\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3.<\/li>\n<li>Cam k\u1ebft SLA v\u1ec1 b\u1ea3o h\u00e0nh, b\u1ea3o tr\u00ec v\u00e0 t\u1ed1i \u01b0u h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<p>Vi\u1ec7c chu\u1ea9n h\u00f3a h\u1ed3 s\u01a1 b\u00e0n giao gi\u00fap ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 \u0111\u01a1n v\u1ecb v\u1eadn h\u00e0nh d\u1ec5 d\u00e0ng b\u1ea3o tr\u00ec, m\u1edf r\u1ed9ng ho\u1eb7c n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan v\u1ec1 quy tr\u00ecnh nghi\u1ec7m thu h\u1ec7 th\u1ed1ng DAS Trong nhi\u1ec1u d\u1ef1 \u00e1n ph\u1ee7 s\u00f3ng di \u0111\u1ed9ng trong nh\u00e0, qu\u00e1 tr\u00ecnh nghi\u1ec7m thu th\u01b0\u1eddng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf vi\u1ec7c ki\u1ec3m tra thi\u1ebft b\u1ecb c\u00f3 ho\u1ea1t \u0111\u1ed9ng hay kh\u00f4ng ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i c\u00f3 hi\u1ec3n th\u1ecb \u0111\u1ee7 v\u1ea1ch s\u00f3ng. Tuy nhi\u00ean, \u0111\u00e2y l\u00e0 c\u00e1ch \u0111\u00e1nh gi\u00e1&#8230;<\/p>\n","protected":false},"author":2,"featured_media":47965,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3703,3705],"tags":[],"class_list":["post-47964","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>Ki\u1ec3m th\u1eed, nghi\u1ec7m thu v\u00e0 v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng ph\u1ee7 s\u00f3ng DAS cho t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng cao t\u1ea7ng: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u00f4ng ch\u1ec9 &quot;\u0111\u1ee7 v\u1ea1ch s\u00f3ng&quot;? Ki\u1ec3m th\u1eed, nghi\u1ec7m thu v\u00e0 v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng ph\u1ee7 s\u00f3ng DAS cho t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng cao t\u1ea7ng: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u00f4ng ch\u1ec9 &quot;\u0111\u1ee7 v\u1ea1ch s\u00f3ng&quot;?<\/title>\n<meta name=\"description\" content=\"M\u1ed9t h\u1ec7 th\u1ed1ng DAS ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng s\u1ed1 &quot;v\u1ea1ch s\u00f3ng&quot; hi\u1ec3n th\u1ecb tr\u00ean \u0111i\u1ec7n tho\u1ea1i, m\u00e0 b\u1eb1ng kh\u1ea3 n\u0103ng cung c\u1ea5p d\u1ecbch v\u1ee5 \u1ed5n \u0111\u1ecbnh, dung l\u01b0\u1ee3ng \u0111\u00e1p \u1ee9ng nhu c\u1ea7u, ch\u1ea5t l\u01b0\u1ee3ng RF t\u1ed1i \u01b0u v\u00e0 t\u00ednh s\u1eb5n s\u00e0ng cao trong su\u1ed1t v\u00f2ng \u0111\u1eddi khai th\u00e1c.\u0110\u1ed1i v\u1edbi c\u00e1c t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng cao t\u1ea7ng, quy tr\u00ecnh ki\u1ec3m th\u1eed v\u00e0 nghi\u1ec7m thu c\u1ea7n bao ph\u1ee7 t\u1eeb RSRP, RSRQ, SINR, throughput, latency, tho\u1ea1i, handover, nhi\u1ec5u, kh\u1ea3 n\u0103ng truy c\u1eadp \u0111\u1ed3ng th\u1eddi \u0111\u1ebfn h\u1ec7 th\u1ed1ng ngu\u1ed3n, qu\u1ea3n l\u00fd v\u00e0 h\u1ed3 s\u01a1 b\u00e0n giao. 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