{"id":4494,"date":"2025-11-06T11:12:00","date_gmt":"2025-11-06T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/cpri-vs-ecpri-fronthaul-interfaces-for-5g\/"},"modified":"2026-06-22T05:28:38","modified_gmt":"2026-06-22T05:28:38","slug":"cpri-vs-ecpri-fronthaul-interfaces-for-5g","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/cpri-vs-ecpri-fronthaul-interfaces-for-5g","title":{"rendered":"CPRI so v\u1edbi eCPRI: So s\u00e1nh K\u1ef9 thu\u1eadt gi\u1eefa C\u00e1c Giao di\u1ec7n Fronthaul"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/df8af2af3fa847559489f9ac10eb900e.webp\" alt=\"CPRI vs eCPRI\" class=\"wp-image-4491\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/df8af2af3fa847559489f9ac10eb900e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/df8af2af3fa847559489f9ac10eb900e-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/df8af2af3fa847559489f9ac10eb900e-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/df8af2af3fa847559489f9ac10eb900e-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/df8af2af3fa847559489f9ac10eb900e-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 Gi\u1edbi thi\u1ec7u v\u1ec1 CPRI v\u00e0 eCPRI<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u1ea1ng di \u0111\u1ed9ng hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t khi ch\u00fang ta chuy\u1ec3n sang 5G quy m\u00f4 \u0111\u1ea7y \u0111\u1ee7 v\u00e0 xa h\u01a1n, thu\u1eadt ng\u1eef <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/5g-fronthaul-high-speed-low-latency-communication-explained\/\"><strong>fronthaul<\/strong><\/a> m\u00f4 t\u1ea3 k\u1ebft n\u1ed1i gi\u1eefa <strong>thi\u1ebft b\u1ecb c\u01a1 s\u1edf b\u0103ng t\u1ea7n t\u1eadp trung\/ph\u00e2n t\u00e1n (DU\/CU)<\/strong> v\u00e0 <strong>\u0111\u01a1n v\u1ecb v\u00f4 tuy\u1ebfn (RU)<\/strong>. Hai ti\u00eau chu\u1ea9n ch\u1ee7 ch\u1ed1t chi ph\u1ed1i ho\u1eb7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft n\u1ed1i n\u00e0y l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cpri-common-public-radio-interface\/\">Giao di\u1ec7n V\u00f4 tuy\u1ebfn C\u00f4ng c\u1ed9ng Chung (<strong>CPRI<\/strong>)<\/a> \u2014 m\u1ed9t giao di\u1ec7n k\u1ebf th\u1eeba \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ban \u0111\u1ea7u cho c\u00e1c m\u1ea1ng 3G\/4G.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ecpri-enhanced-common-public-radio-interface-5g-fronthaul\/\">Giao di\u1ec7n V\u00f4 tuy\u1ebfn C\u00f4ng c\u1ed9ng Chung N\u00e2ng cao (<strong>eCPRI<\/strong>)<\/a> \u2014 m\u1ed9t giao di\u1ec7n d\u1ef1a tr\u00ean g\u00f3i tin m\u1edbi h\u01a1n, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho \u0111\u01b0\u1eddng truy\u1ec1n fronthaul c\u1ee7a 5G.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch nh\u1eefng kh\u00e1c bi\u1ec7t ki\u1ebfn tr\u00fac, h\u1ec7 qu\u1ea3 v\u1ec1 hi\u1ec7u n\u0103ng (b\u0103ng th\u00f4ng, \u0111\u1ed9 tr\u1ec5, ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n t\u1ea3i), c\u00e1c xem x\u00e9t v\u1ec1 ph\u00e2n chia ch\u1ee9c n\u0103ng v\u00e0 l\u00fd do v\u00ec sao eCPRI ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c tri\u1ec3n khai RAN 5G.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 T\u1ed5ng quan v\u1ec1 CPRI<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >CPRI l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CPRI (Giao di\u1ec7n v\u00f4 tuy\u1ebfn c\u00f4ng c\u1ed9ng chung)<\/strong> \u0111\u1ecbnh ngh\u0129a m\u1ed9t \u0111\u1eb7c t\u1ea3 \u0111\u1ec3 truy\u1ec1n c\u00e1c m\u1eabu I\/Q (in-phase\/quadrature) c\u01a1 s\u1edf b\u0103ng t\u1ea7n gi\u1eefa <strong>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n Thi\u1ebft b\u1ecb V\u00f4 tuy\u1ebfn<\/strong> (REC, th\u1ef1c ch\u1ea5t l\u00e0 th\u1ef1c th\u1ec3 x\u1eed l\u00fd c\u01a1 s\u1edf b\u0103ng t\u1ea7n) v\u00e0 <strong>Thi\u1ebft b\u1ecb V\u00f4 tuy\u1ebfn<\/strong> (RE, \u0111\u1ea7u ph\u00e1t v\u00f4 tuy\u1ebfn) qua m\u1ed9t k\u1ebft n\u1ed1i fronthaul. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a CPRI<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>CPRI s\u1eed d\u1ee5ng m\u1ed9t <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/tdm-time-division-multiplexing-basics-uses-benefits-guide\/\"><strong>giao di\u1ec7n tu\u1ea7n t\u1ef1 gh\u00e9p k\u00eanh ph\u00e2n chia theo th\u1eddi gian (TDM)<\/strong><\/a>, \u2014 c\u00e1p quang ho\u1eb7c k\u1ebft n\u1ed1i \u0111i\u1ec7n chuy\u00ean d\u1ee5ng gi\u1eefa REC v\u00e0 RE. <\/p><\/li><li><p>Ki\u1ebfn tr\u00fac \u0111i\u1ec3n h\u00ecnh: \u0111i\u1ec3m-\u0111i\u1ec3m (m\u1ed9t REC t\u1edbi m\u1ed9t RE) ho\u1eb7c \u0111i\u1ec3m-\u0111a \u0111i\u1ec3m (m\u1ed9t REC t\u1edbi nhi\u1ec1u RE) ch\u1ec9. <\/p><\/li><li><p>Kh\u1ea3 n\u0103ng m\u1ea1ng truy\u1ec1n t\u1ea3i t\u1ed1i thi\u1ec3u: c\u00e1c ch\u1ee9c n\u0103ng m\u1ea1ng (QoS, \u0111\u1ecbnh tuy\u1ebfn, chuy\u1ec3n m\u1ea1ch g\u00f3i) h\u1ea7u nh\u01b0 kh\u00f4ng thu\u1ed9c v\u1ec1 giao di\u1ec7n CPRI. <\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >H\u1ea1n ch\u1ebf trong k\u1ef7 nguy\u00ean 5G<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 CPRI \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u1edf c\u00e1c th\u1ebf h\u1ec7 kh\u00f4ng d\u00e2y tr\u01b0\u1edbc \u0111\u00e2y, nh\u01b0ng n\u00f3 g\u1eb7p ph\u1ea3i nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m nghi\u00eam tr\u1ecdng khi m\u1edf r\u1ed9ng cho 5G:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Vi\u1ec7c truy\u1ec1n t\u1ea3i m\u1eabu I\/Q th\u00f4 d\u1eabn \u0111\u1ebfn <strong>t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u fronthaul r\u1ea5t cao<\/strong> (\u0111\u1eb7c bi\u1ec7t khi \u00e1p d\u1ee5ng MIMO kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, b\u0103ng th\u00f4ng mang r\u1ed9ng) \u2014 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i c\u1ee7a c\u00e1p quang\/m\u1ea1ng tr\u1edf th\u00e0nh \u0111i\u1ec3m ngh\u1ebdn.<\/p><\/li><li><p>Ph\u00e2n chia ch\u1ee9c n\u0103ng c\u1ee9ng nh\u1eafc: x\u1eed l\u00fd c\u01a1 s\u1edf b\u0103ng t\u1ea7n ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c t\u1eadp trung h\u00f3a, l\u00e0m h\u1ea1n ch\u1ebf t\u00ednh linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3.<\/p><\/li><li><p>C\u00e1c tri\u1ec3n khai mang t\u00ednh \u0111\u1ed9c quy\u1ec1n ho\u1eb7c \u0111\u1eb7c th\u00f9 theo nh\u00e0 cung c\u1ea5p th\u01b0\u1eddng c\u1ea3n tr\u1edf kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 T\u1ed5ng quan v\u1ec1 eCPRI<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >eCPRI l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>eCPRI (Giao di\u1ec7n v\u00f4 tuy\u1ebfn c\u00f4ng c\u1ed9ng chung n\u00e2ng cao)<\/strong> l\u00e0 m\u1ed9t \u0111\u1eb7c t\u1ea3 giao di\u1ec7n fronthaul d\u1ef1a tr\u00ean g\u00f3i tin, \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u kho\u1ea3ng n\u0103m 2017 b\u1edfi nhi\u1ec1u nh\u00e0 cung c\u1ea5p vi\u1ec5n th\u00f4ng nh\u1eb1m \u0111\u00e1p \u1ee9ng nhu c\u1ea7u fronthaul c\u1ee7a 5G.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a eCPRI<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Truy\u1ec1n t\u1ea3i g\u00f3i tin: eCPRI s\u1eed d\u1ee5ng m\u1ea1ng g\u00f3i Ethernet\/IP\/UDP ho\u1eb7c l\u1edbp MAC thay v\u00ec ch\u1ec9 d\u00f9ng k\u1ebft n\u1ed1i tu\u1ea7n t\u1ef1 chuy\u00ean d\u1ee5ng. <\/p><\/li><li><p>H\u1ed7 tr\u1ee3 ph\u00e2n chia ch\u1ee9c n\u0103ng linh ho\u1ea1t h\u01a1n b\u00ean trong <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-phy-physical-layer-basics-explained\/\">t\u1ea7ng PHY<\/a> c\u1ee7a RAN (v\u00ed d\u1ee5: gi\u1eefa DU v\u00e0 RU), t\u1eeb \u0111\u00f3 gi\u1ea3m t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u c\u1ea7n truy\u1ec1n t\u1ea3i. <\/p><\/li><li><p>Ki\u1ebfn tr\u00fac linh ho\u1ea1t h\u01a1n: h\u1ed7 tr\u1ee3 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ppp-point-to-point-protocol-explained\/\">\u0110i\u1ec3m-\u0111\u1ebfn-\u0111i\u1ec3m<\/a>, k\u1ebft n\u1ed1i \u0111i\u1ec3m-\u0111i\u1ec3m, \u0111i\u1ec3m-\u0111a \u0111i\u1ec3m v\u00e0 \u0111a \u0111i\u1ec3m-\u0111a \u0111i\u1ec3m trong m\u1ea1ng fronthaul. <\/p><\/li><li><p>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p v\u00e0 tri\u1ec3n khai chi ph\u00ed hi\u1ec7u qu\u1ea3 v\u1edbi thi\u1ebft b\u1ecb m\u1ea1ng ti\u00eau chu\u1ea9n.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 So s\u00e1nh tr\u1ef1c ti\u1ebfp \u2013 CPRI so v\u1edbi eCPRI<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8e9a32834de415f8b70e25629f1b9f1.webp\" alt=\"CPRI vs eCPRI\" class=\"wp-image-4492\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8e9a32834de415f8b70e25629f1b9f1.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8e9a32834de415f8b70e25629f1b9f1-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8e9a32834de415f8b70e25629f1b9f1-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8e9a32834de415f8b70e25629f1b9f1-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8e9a32834de415f8b70e25629f1b9f1-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Ph\u01b0\u01a1ng ti\u1ec7n &amp; Ki\u1ebfn tr\u00fac truy\u1ec1n t\u1ea3i<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 214px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"214\"><p>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cpri-common-public-radio-interface\/\">CPRI<\/a><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ecpri-enhanced-common-public-radio-interface-5g-fronthaul\/\">eCPRI<\/a><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"214\"><p>Ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n t\u1ea3i<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i tu\u1ea7n t\u1ef1\/chuy\u00ean d\u1ee5ng qua quang, d\u1ef1a tr\u00ean TDM<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng chuy\u1ec3n m\u1ea1ch g\u00f3i Ethernet\/IP\/UDP ho\u1eb7c l\u1edbp MAC<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"214\"><p>T\u00f4-p\u00f4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1ee7 y\u1ebfu l\u00e0 k\u1ebft n\u1ed1i \u0111i\u1ec3m-\u0111i\u1ec3m ho\u1eb7c \u0111i\u1ec3m-\u0111a \u0111i\u1ec3m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110i\u1ec3m-\u0111i\u1ec3m \/ \u0111i\u1ec3m-\u0111a \u0111i\u1ec3m \/ \u0111a \u0111i\u1ec3m-\u0111a \u0111i\u1ec3m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"214\"><p>C\u00e1c ch\u1ee9c n\u0103ng m\u1ea1ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i thi\u1ec3u; giao di\u1ec7n ch\u1ee7 y\u1ebfu t\u0129nh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9c n\u0103ng m\u1ea1ng truy\u1ec1n t\u1ea3i (chuy\u1ec3n m\u1ea1ch, QoS, d\u1ef1 ph\u00f2ng)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u0103ng th\u00f4ng &amp; Hi\u1ec7u su\u1ea5t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">eCPRI \u0111\u00e1ng k\u1ec3 <strong>gi\u1ea3m y\u00eau c\u1ea7u b\u0103ng th\u00f4ng fronthaul<\/strong> so v\u1edbi CPRI nh\u1edd t\u1eadn d\u1ee5ng ph\u00e2n chia ch\u1ee9c n\u0103ng v\u00e0 truy\u1ec1n t\u1ea3i d\u1ef1a tr\u00ean g\u00f3i tin. Ch\u1eb3ng h\u1ea1n, ng\u01b0\u1eddi ta th\u01b0\u1eddng n\u00eau r\u1eb1ng eCPRI c\u00f3 th\u1ec3 gi\u1ea3m b\u0103ng th\u00f4ng c\u1ea7n thi\u1ebft xu\u1ed1ng c\u00f2n kho\u1ea3ng m\u1ed9t ph\u1ea7n m\u01b0\u1eddi so v\u1edbi m\u1ee9c CPRI \u0111\u00f2i h\u1ecfi trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng t\u1ef1. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u00ednh linh ho\u1ea1t trong ph\u00e2n chia ch\u1ee9c n\u0103ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CPRI<\/strong> c\u00f3 ph\u00e2n chia t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee9ng nh\u1eafc (v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 truy\u1ec1n t\u1ea3i m\u1eabu I\/Q th\u00f4), l\u00e0m h\u1ea1n ch\u1ebf t\u00ednh linh ho\u1ea1t. Ng\u01b0\u1ee3c l\u1ea1i, <strong>eCPRI<\/strong> cho ph\u00e9p nhi\u1ec1u t\u00f9y ch\u1ecdn ph\u00e2n chia ch\u1ee9c n\u0103ng kh\u00e1c nhau (nh\u01b0 7.x trong 3GPP TR38.801), gi\u00fap d\u1eddi ph\u1ea7n x\u1eed l\u00fd c\u01a1 s\u1edf b\u0103ng t\u1ea7n nhi\u1ec1u h\u01a1n v\u1ec1 ph\u00eda DU, gi\u1ea3m b\u1edbt g\u00e1nh n\u1eb7ng cho fronthaul. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ed9 tr\u1ec5, \u0111\u1ed9 gi\u1eadt v\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai giao di\u1ec7n \u0111\u1ec1u ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t v\u1ec1 \u0111\u1ed9 tr\u1ec5 v\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a do x\u1eed l\u00fd v\u00f4 tuy\u1ebfn, nh\u01b0ng vi\u1ec7c truy\u1ec1n t\u1ea3i g\u00f3i tin c\u1ee7a eCPRI \u0111\u1eb7t ra th\u00eam c\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf (v\u00ed d\u1ee5: ki\u1ec3m so\u00e1t \u0111\u1ed9 gi\u1eadt, t\u00ednh to\u00e0n v\u1eb9n th\u1ee9 t\u1ef1 g\u00f3i tin, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ppp-point-to-point-protocol-explained\/\">\u0111\u1ed3ng b\u1ed9 h\u00f3a th\u1eddi gian PTP<\/a>) m\u00e0 m\u1ea1ng ph\u1ea3i h\u1ed7 tr\u1ee3. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p v\u00e0 t\u00ednh m\u1edf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c tri\u1ec3n khai CPRI th\u01b0\u1eddng mang t\u00ednh \u0111\u1ed9c quy\u1ec1n v\u00e0 b\u1ecb kh\u00f3a theo nh\u00e0 cung c\u1ea5p, h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c \u0111a nh\u00e0 cung c\u1ea5p. eCPRI \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m h\u1ed7 tr\u1ee3 t\u1ed1t h\u01a1n <strong>c\u00e1c tri\u1ec3n khai RAN m\u1edf<\/strong> v\u00e0 t\u00e1i s\u1eed d\u1ee5ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng ti\u00eau chu\u1ea9n. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >H\u1ec7 qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 tri\u1ec3n khai<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec eCPRI s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng Ethernet\/chuy\u1ec3n m\u1ea1ch g\u00f3i ti\u00eau chu\u1ea9n, n\u00ean n\u00f3 mang l\u1ea1i ti\u1ec1m n\u0103ng ti\u1ebft ki\u1ec7m chi ph\u00ed so v\u1edbi c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ed9c quy\u1ec1n ph\u1ed5 bi\u1ebfn trong CPRI. Tuy nhi\u00ean, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i sang eCPRI c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi thi\u1ebft b\u1ecb truy\u1ec1n t\u1ea3i m\u1edbi, c\u01a1 ch\u1ebf \u0111\u1ed3ng b\u1ed9 h\u00f3a v\u00e0 thi\u1ebft k\u1ebf l\u1ea1i m\u1ea1ng. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 Khi n\u00e0o n\u00ean d\u00f9ng CPRI hay eCPRI? C\u00e1c c\u00e2n nh\u1eafc th\u1ef1c ti\u1ec5n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eabn c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng CPRI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cpri-common-public-radio-interface\/\">CPRI<\/a> CPRI v\u1eabn kh\u1ea3 thi trong c\u00e1c t\u00ecnh hu\u1ed1ng nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Tri\u1ec3n khai 4G k\u1ebf th\u1eeba ho\u1eb7c 5G s\u01a1 k\u1ef3<\/strong> n\u01a1i k\u1ebft n\u1ed1i fronthaul \u0111\u01a1n gi\u1ea3n v\u00e0 y\u00eau c\u1ea7u v\u1ec1 dung l\u01b0\u1ee3ng khi\u00eam t\u1ed1n.<\/p><\/li><li><p>C\u00e1c tr\u1ea1m \u0111\u00e3 c\u00f3 s\u1eb5n k\u1ebft n\u1ed1i chuy\u00ean d\u1ee5ng v\u00e0 vi\u1ec7c n\u00e2ng c\u1ea5p l\u00ean fronthaul d\u1ef1a tr\u00ean g\u00f3i tin kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c tr\u01b0\u1eddng h\u1ee3p \u01b0u ti\u00ean eCPRI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ecpri-enhanced-common-public-radio-interface-5g-fronthaul\/\">eCPRI<\/a> eCPRI \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Tri\u1ec3n khai <strong>m\u1ea1ng 5G<\/strong> \u00e1p d\u1ee5ng MIMO kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, b\u0103ng th\u00f4ng mang r\u1ed9ng, s\u1ed1 l\u01b0\u1ee3ng sector cao \u2014 d\u1eabn \u0111\u1ebfn l\u01b0u l\u01b0\u1ee3ng fronthaul cao.<\/p><\/li><li><p>Tri\u1ec3n khai RAN t\u1eadp trung (C-RAN), ph\u00e2n chia gi\u1eefa \u0111\u01a1n v\u1ecb ph\u00e2n ph\u1ed1i (DU) v\u00e0 \u0111\u01a1n v\u1ecb v\u00f4 tuy\u1ebfn (RU), \u1ea3o h\u00f3a v\u00e0 ki\u1ebfn tr\u00fac RAN m\u1edf.<\/p><\/li><li><p>C\u00e1c m\u1ea1ng v\u1eadn chuy\u1ec3n \u0111\u00e3 s\u1eed d\u1ee5ng Ethernet\/IP v\u00e0 mong mu\u1ed1n t\u00e1i s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n ti\u00eau chu\u1ea9n.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c k\u1ecbch b\u1ea3n di chuy\u1ec3n &amp; lai gh\u00e9p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u nh\u00e0 khai th\u00e1c di chuy\u1ec3n d\u1ea7n d\u1ea7n\u2014<strong>gi\u1eef nguy\u00ean CPRI cho m\u1ed9t s\u1ed1 tr\u1ea1m trong khi tri\u1ec3n khai eCPRI cho c\u00e1c d\u1ef1 \u00e1n 5G m\u1edbi.<\/strong> C\u1ed5ng k\u1ebft n\u1ed1i fronthaul ho\u1eb7c c\u00e1c l\u1edbp chuy\u1ec3n \u0111\u1ed5i c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 CPRI k\u1ebf th\u1eeba trong khi k\u1ebft n\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng g\u00f3i. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 T\u00e1c \u0111\u1ed9ng l\u00ean c\u00e1c s\u1ea3n ph\u1ea9m LINK-PP &amp; k\u1ebft n\u1ed1i fronthaul<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb g\u00f3c nh\u00ecn c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p ph\u1ea7n c\u1ee9ng k\u1ebft n\u1ed1i nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK\u2011PP<\/strong><\/a>, s\u1ef1 chuy\u1ec3n d\u1ecbch t\u1eeb CPRI sang eCPRI h\u00e0m \u00fd nh\u1eefng y\u00eau c\u1ea7u m\u1edbi v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 ch\u1ee9ng nh\u1eadn s\u1ea3n ph\u1ea9m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>M\u00f4-\u0111un quang<\/strong> (v\u00ed d\u1ee5:, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\">SFP28 25G<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">QSFP+ 40G<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27046-50g-qsfp28-sfp56.htm\">50G QSFP28<\/a> ) v\u00e0 c\u00e1c b\u1ed9 thu ph\u00e1t Ethernet ph\u00f9 h\u1ee3p v\u1edbi fronthaul g\u00f3i.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\"><strong>\u0110\u1ea7u n\u1ed1i RJ45<\/strong><\/a> v\u00e0 c\u00e1c giao di\u1ec7n Ethernet t\u1ed1c \u0111\u1ed9 cao t\u01b0\u01a1ng th\u00edch v\u1edbi v\u1eadn chuy\u1ec3n fronthaul.<\/p><\/li><li><p>\u0110\u1ea3m b\u1ea3o c\u00e1c m\u00f4-\u0111un c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p, \u0111\u1ed9 bi\u1ebfn thi\u00ean (jitter) t\u1ed1i thi\u1ec3u v\u00e0 \u0111\u1ed9 tin c\u1eady cao, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a m\u1ea1ng eCPRI d\u1ef1a tr\u00ean g\u00f3i.<\/p><\/li><li><p>H\u1ed7 tr\u1ee3 c\u00e1c h\u1ec7 sinh th\u00e1i m\u1edf v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c, \u0111i\u1ec1u n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi <strong>vi\u1ec7c tri\u1ec3n khai RAN m\u1edf \u0111a nh\u00e0 cung c\u1ea5p<\/strong> s\u1eed d\u1ee5ng eCPRI.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch \u0111\u1ecbnh h\u01b0\u1edbng s\u1ea3n ph\u1ea9m theo h\u01b0\u1edbng fronthaul c\u00f3 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 eCPRI, LINK-PP \u0111\u1ea3m b\u1ea3o t\u00ednh ph\u00f9 h\u1ee3p \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ecbch b\u1ea3n tri\u1ec3n khai m\u1ea1ng 5G\/6G thay v\u00ec b\u1ecb gi\u1edbi h\u1ea1n trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u1ec9 d\u00e0nh ri\u00eang cho CPRI k\u1ebf th\u1eeba.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >H2: T\u00f3m t\u1eaft &amp; Tri\u1ec3n v\u1ecdng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cpri-common-public-radio-interface\/\"><strong>CPRI<\/strong><\/a> l\u00e0 giao di\u1ec7n fronthaul tr\u01b0\u1edfng th\u00e0nh, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ng di \u0111\u1ed9ng tr\u01b0\u1edbc \u0111\u00e2y (2G\/3G\/4G) v\u00e0 m\u1ed9t s\u1ed1 tri\u1ec3n khai 5G ban \u0111\u1ea7u, nh\u01b0ng g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u1ec1 b\u0103ng th\u00f4ng, t\u00ednh linh ho\u1ea1t v\u00e0 chi ph\u00ed c\u1ee7a 5G quy m\u00f4 \u0111\u1ea7y \u0111\u1ee7.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ecpri-enhanced-common-public-radio-interface-5g-fronthaul\/\">eCPRI<\/a> \u0111\u1ea1i di\u1ec7n cho t\u01b0\u01a1ng lai c\u1ee7a fronthaul: d\u1ef1a tr\u00ean g\u00f3i, c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, linh ho\u1ea1t, hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng RAN m\u1edf v\u00e0 \u1ea3o h\u00f3a.<\/p><\/li><li><p>For <strong>c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng<\/strong>, vi\u1ec7c chuy\u1ec3n sang eCPRI gi\u00fap t\u00e1i s\u1eed d\u1ee5ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng Ethernet hi\u1ec7u qu\u1ea3 h\u01a1n, gi\u1ea3m b\u0103ng th\u00f4ng fronthaul v\u00e0 linh ho\u1ea1t h\u01a1n trong vi\u1ec7c chia t\u00e1ch ch\u1ee9c n\u0103ng.<\/p><\/li><li><p>For <strong>c\u00e1c nh\u00e0 cung c\u1ea5p th\u00e0nh ph\u1ea7n v\u00e0 m\u00f4-\u0111un <\/strong>(v\u00ed d\u1ee5 nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\">LINK-PP<\/a>), vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a s\u1ea3n ph\u1ea9m v\u1edbi v\u1eadn chuy\u1ec3n eCPRI v\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p v\u1edbi 5G l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 duy tr\u00ec t\u00ednh c\u1ea1nh tranh.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Khi c\u00e1c m\u1ea1ng ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n h\u01b0\u1edbng t\u1edbi 6G v\u00e0 c\u00e1c ki\u1ebfn tr\u00fac RAN ph\u00e2n t\u00e1n, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa CPRI v\u00e0 eCPRI s\u1ebd ng\u00e0y c\u00e0ng r\u00f5 r\u1ec7t h\u01a1n\u2014do \u0111\u00f3, vi\u1ec7c \u00e1p d\u1ee5ng s\u1edbm c\u00e1c thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean eCPRI mang l\u1ea1i l\u1ee3i th\u1ebf chi\u1ebfn l\u01b0\u1ee3c.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 nh\u1eefng kh\u00e1c bi\u1ec7t then ch\u1ed1t gi\u1eefa c\u00e1c giao di\u1ec7n fronthaul CPRI v\u00e0 eCPRI \u2014 v\u1ec1 b\u0103ng th\u00f4ng, \u0111\u1ed9 tr\u1ec5, ph\u00e2n chia ch\u1ee9c n\u0103ng (functional-split), c\u1ea5u tr\u00fac v\u1eadn chuy\u1ec3n (transport topology) \u2014 v\u00e0 l\u00fd do t\u1ea1i sao eCPRI \u0111ang th\u00fac \u0111\u1ea9y tri\u1ec3n khai 5G.<\/p>","protected":false},"author":1,"featured_media":4493,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-4494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=4494"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4494\/revisions"}],"predecessor-version":[{"id":10925,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4494\/revisions\/10925"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4493"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}