{"id":1285,"date":"2025-10-04T13:46:03","date_gmt":"2025-10-04T13:46:03","guid":{"rendered":"https:\/\/www.wallisemi.com\/?p=1285"},"modified":"2025-10-05T13:47:22","modified_gmt":"2025-10-05T13:47:22","slug":"chip-rf-cho-he-thong-dinh-vi-beidou-thiet-ke-giam-nhieu-va-xu-huong-thi-truong","status":"publish","type":"post","link":"https:\/\/www.wallisemi.com\/vi\/blog\/industry-insights\/rf-chips-for-beidou-navigation-design-interference-mitigation-and-market-trends\/","title":{"rendered":"Chip RF cho h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb Beidou: Thi\u1ebft k\u1ebf, gi\u1ea3m nhi\u1ec5u v\u00e0 xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng"},"content":{"rendered":"

T\u00f3m t\u1eaft<\/strong><\/strong><\/h2>\n\n\n\n

C\u00e1i H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb v\u1ec7 tinh Beidou<\/strong> \u0111\u00e3 ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn, v\u00e0 vai tr\u00f2 c\u1ee7a Chip RF<\/strong> vi\u1ec7c \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n bao gi\u1edd h\u1ebft. B\u00e0i vi\u1ebft n\u00e0y t\u00ecm hi\u1ec3u v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai Chip RF<\/strong> \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng Beidou, t\u1eadp trung v\u00e0o kh\u1ea3 n\u0103ng gi\u1ea3m thi\u1ec3u nhi\u1ec5u c\u1ee7a ch\u00fang, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1eeb c\u00e1c thi\u1ebft b\u1ecb Bluetooth. Ch\u00fang t\u00f4i c\u0169ng th\u1ea3o lu\u1eadn v\u1ec1 xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng v\u00e0 nh\u1eefng ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7 trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i chip RF, nh\u1ea5n m\u1ea1nh vi\u1ec7c t\u00edch h\u1ee3p Chip RF 5G<\/strong> trong c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

I. Vai tr\u00f2 c\u1ee7a chip t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn trong h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb Beidou<\/strong><\/strong><\/h2>\n\n\n\n

Chip RF<\/strong> l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb Beidou<\/strong>, ch\u1ecbu tr\u00e1ch nhi\u1ec7m truy\u1ec1n t\u00edn hi\u1ec7u, t\u1ed5ng h\u1ee3p t\u1ea7n s\u1ed1 v\u00e0 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t. C\u00e1c chip n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a truy\u1ec1n th\u00f4ng v\u1ec7 tinh, v\u1ed1n c\u00f3 vai tr\u00f2 thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh nh\u01b0 gi\u00e1m s\u00e1t \u0111\u1ecba ch\u1ea5t, kh\u1ea3o s\u00e1t th\u1ee7y v\u0103n v\u00e0 h\u00e0ng h\u1ea3i.<\/p>\n\n\n\n

Nh\u1eefng th\u00e1ch th\u1ee9c li\u00ean quan \u0111\u1ebfn nhi\u1ec5u Bluetooth<\/strong><\/strong><\/h3>\n\n\n\n

C\u00e1c thi\u1ebft b\u1ecb Bluetooth ho\u1ea1t \u0111\u1ed9ng trong d\u1ea3i t\u1ea7n 2,4 GHz, g\u1ea7n v\u1edbi d\u1ea3i t\u1ea7n thu c\u1ee7a h\u1ec7 th\u1ed1ng Beidou RDSS. S\u1ef1 can thi\u1ec7p t\u1eeb c\u00e1c t\u00edn hi\u1ec7u Bluetooth c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn Chip RF Beidou<\/strong>\u2018kh\u1ea3 n\u0103ng thu nh\u1eadn t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng. V\u1ea5n \u0111\u1ec1 n\u00e0y \u0111\u1eb7c bi\u1ec7t kh\u00f3 kh\u0103n \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng si\u00eau nh\u1ecf t\u00edch h\u1ee3p nhi\u1ec1u c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng.<\/p>\n\n\n\n

II. Thi\u1ebft k\u1ebf v\u00e0 ki\u1ebfn tr\u00fac c\u1ee7a chip RF nh\u1eb1m gi\u1ea3m thi\u1ec3u nhi\u1ec5u<\/strong><\/strong><\/h2>\n\n\n\n

\u0110\u1ec3 kh\u1eafc ph\u1ee5c nhi\u1ec5u, Chip RF Beidou<\/strong> s\u1eed d\u1ee5ng ki\u1ebfn tr\u00fac lai k\u1ebft h\u1ee3p c\u1ea3 hai B\u1ed9 l\u1ecdc s\u00f3ng \u00e2m b\u1ec1 m\u1eb7t (SAW) ngo\u00e0i chip<\/strong> v\u00e0 b\u1ed9 l\u1ecdc ch\u1ee7 \u0111\u1ed9ng tr\u00ean chip<\/strong>. Thi\u1ebft k\u1ebf n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tuy\u1ebfn t\u00ednh cao v\u00e0 m\u1ee9c nhi\u1ec5u t\u1ed1i thi\u1ec3u, gi\u00fap chip duy tr\u00ec hi\u1ec7u su\u1ea5t ngay c\u1ea3 khi c\u00f3 t\u00edn hi\u1ec7u Bluetooth m\u1ea1nh.<\/p>\n\n\n\n

Ki\u1ebfn tr\u00fac chuy\u1ec3n \u0111\u1ed5i k\u00e9p<\/strong><\/strong><\/h3>\n\n\n\n

1.<\/strong>Chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 giai \u0111o\u1ea1n \u0111\u1ea7u<\/strong>: S\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc SAW ngo\u00e0i chip \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec5u Bluetooth v\u1edbi m\u1ee9c gi\u1ea3m h\u01a1n 40 dB.<\/p>\n\n\n\n

2.<\/strong>Chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 giai \u0111o\u1ea1n hai<\/strong>: T\u00edn hi\u1ec7u sau \u0111\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00eam b\u1eb1ng b\u1ed9 l\u1ecdc ch\u1ee7 \u0111\u1ed9ng RC t\u00edch h\u1ee3p tr\u00ean chip \u0111\u1ec3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u.<\/p>\n\n\n\n

Khu\u1ebfch \u0111\u1ea1i ti\u1ebfng \u1ed3n th\u1ea5p<\/strong><\/strong><\/h3>\n\n\n\n

A B\u1ed9 khu\u1ebfch \u0111\u1ea1i ti\u1ebfng \u1ed3n th\u1ea5p (LNA) 30 dB<\/strong> \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 suy gi\u1ea3m t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng thu nh\u1eadn t\u00edn hi\u1ec7u RDSS \u1ed5n \u0111\u1ecbnh, ngay c\u1ea3 khi c\u00f3 nhi\u1ec5u.<\/p>\n\n\n\n

III. Thi\u1ebft k\u1ebf v\u00e0 m\u00f4 ph\u1ecfng m\u1ea1ch cho chip RF<\/strong><\/strong><\/h2>\n\n\n\n

Chuy\u1ec3n \u0111\u1ed5i giai \u0111o\u1ea1n \u0111\u1ea7u<\/strong><\/strong><\/h3>\n\n\n\n

C\u00e1i b\u1ed9 tr\u1ed9n th\u1ee5 \u0111\u1ed9ng<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong giai \u0111o\u1ea1n chuy\u1ec3n \u0111\u1ed5i \u0111\u1ea7u ti\u00ean mang l\u1ea1i \u0111\u1ed9 tuy\u1ebfn t\u00ednh v\u00e0 hi\u1ec7u su\u1ea5t kh\u1eed nhi\u1ec5u tuy\u1ec7t v\u1eddi. C\u00e1c m\u00f4 ph\u1ecfng cho th\u1ea5y m\u1ea1ch n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c:<\/p>\n\n\n\n

1. \u1ed4n \u0111\u1ecbnh l\u1ee3i nhu\u1eadn<\/strong> t\u1eeb 10\u201312 dB<\/p>\n\n\n\n

2.<\/strong>H\u1ec7 s\u1ed1 nhi\u1ec5u<\/strong> d\u01b0\u1edbi 15 dB<\/p>\n\n\n\n

3. Cao \u0111i\u1ec3m n\u00e9n 1 dB<\/strong> -5 dBm, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec5u m\u1ea1nh<\/p>\n\n\n\n

L\u1ecdc giai \u0111o\u1ea1n hai<\/strong><\/strong><\/h3>\n\n\n\n

H\u1ec7 th\u1ed1ng t\u00edch h\u1ee3p B\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f3 \u0111\u1ed9 l\u1ee3i l\u1eadp tr\u00ecnh 6 c\u1ea5p<\/strong> cung c\u1ea5p d\u1ea3i \u0111\u1ed9 l\u1ee3i 55 dB, cho ph\u00e9p \u0111i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c b\u0103ng th\u00f4ng b\u1ed9 l\u1ecdc v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf t\u00edn hi\u1ec7u ngo\u00e0i d\u1ea3i t\u1ea7n.<\/p>\n\n\n\n

IV. K\u1ebft qu\u1ea3 ki\u1ec3m tra v\u00e0 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3<\/strong><\/strong><\/h2>\n\n\n\n

C\u00e1i Chip RF Beidou<\/strong> \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Quy tr\u00ecnh RFCMOS 0,13 \u03bcm<\/strong>. C\u00e1c k\u1ebft qu\u1ea3 ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n

1.<\/strong>H\u1ec7 s\u1ed1 nhi\u1ec5u<\/strong>: D\u01b0\u1edbi 15 dB<\/p>\n\n\n\n

2.<\/strong>T\u00ednh tuy\u1ebfn t\u00ednh<\/strong>: Con chip duy tr\u00ec \u0111\u1ed9 tuy\u1ebfn t\u00ednh v\u1edbi \u0111i\u1ec3m n\u00e9n 1 dB \u1edf m\u1ee9c -35 dBm.<\/p>\n\n\n\n

3.<\/strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u<\/strong>: D\u01b0\u1edbi -45 dBm nhi\u1ec5u Bluetooth<\/strong>, chip n\u00e0y ti\u1ebfp t\u1ee5c nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c t\u00edn hi\u1ec7u RDSS v\u1edbi t\u1ef7 l\u1ec7 t\u00edn hi\u1ec7u tr\u00ean nhi\u1ec5u (SNR) t\u1eeb 42\u201344 dB, cho th\u1ea5y hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

V. Xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng v\u00e0 nh\u1eefng \u0111\u1ed5i m\u1edbi trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i chip RF<\/strong><\/strong><\/h2>\n\n\n\n

Nhu c\u1ea7u v\u1ec1 Chip RF<\/strong> \u0111ang gia t\u0103ng nhanh ch\u00f3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a C\u00f4ng ngh\u1ec7 5G<\/strong>. \u0110\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c t\u1eeb t\u1ea7n s\u1ed1 cao h\u01a1n v\u00e0 qu\u00e1 tr\u00ecnh t\u00edch h\u1ee3p, c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn \u0110\u00f3ng g\u00f3i chip RF<\/strong> c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi \u0111ang xu\u1ea5t hi\u1ec7n. Trong s\u1ed1 \u0111\u00f3 c\u00f3:<\/p>\n\n\n\n

1.<\/strong>Flip-Chip<\/strong> v\u00e0 B\u1ed1 tr\u00ed Fan-In\/Fan-Out<\/strong>: C\u00e1c c\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u c\u00e1c hi\u1ec7u \u1ee9ng ph\u1ee5, t\u1eeb \u0111\u00f3 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a chip.<\/p>\n\n\n\n

2.<\/strong>H\u1ec7 th\u1ed1ng trong g\u00f3i (SiP)<\/strong>: Vi\u1ec7c t\u00edch h\u1ee3p nhi\u1ec1u linh ki\u1ec7n RF v\u00e0o m\u1ed9t m\u00f4-\u0111un duy nh\u1ea5t gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 v\u1ec7 tinh hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

VI. K\u1ebft lu\u1eadn<\/strong><\/strong><\/h2>\n\n\n\n

Thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a Chip RF<\/strong> cho H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb Beidou<\/strong> h\u1ec7 th\u1ed1ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o truy\u1ec1n th\u00f4ng ch\u00ednh x\u00e1c v\u00e0 kh\u00f4ng b\u1ecb nhi\u1ec5u. V\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 kh\u00f4ng ng\u1eebng trong Chip RF 5G<\/strong> v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u00f3ng g\u00f3i, c\u00e1c chip n\u00e0y s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong l\u0129nh v\u1ef1c \u0111\u1ecbnh v\u1ecb v\u1ec7 tinh, IoT v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng truy\u1ec1n th\u00f4ng kh\u00e1c. Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt gi\u1ea3m nhi\u1ec5u v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 h\u01a1n Chip RF<\/strong> s\u1ebd h\u1ed7 tr\u1ee3 s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 vi\u1ec7c \u00e1p d\u1ee5ng ng\u00e0y c\u00e0ng r\u1ed9ng r\u00e3i c\u1ee7a Beidou<\/strong> v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u01b0\u1edbng to\u00e0n c\u1ea7u t\u01b0\u01a1ng t\u1ef1.<\/p>","protected":false},"excerpt":{"rendered":"

Abstract The Beidou satellite navigation system has become increasingly popular, and the role of RF chips in ensuring reliable communication is more critical than ever. This article explores the design and implementation of RF chips for Beidou systems, focusing on their ability to mitigate interference, particularly from Bluetooth devices. We also discuss market trends and technological advancements in […]<\/p>\n","protected":false},"author":1,"featured_media":1274,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,31],"tags":[35],"class_list":["post-1285","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-insights","category-blog","tag-jason-chen"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/comments?post=1285"}],"version-history":[{"count":1,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1285\/revisions"}],"predecessor-version":[{"id":1286,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1285\/revisions\/1286"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media\/1274"}],"wp:attachment":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media?parent=1285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/categories?post=1285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/tags?post=1285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}