{"id":1304,"date":"2025-10-06T10:33:40","date_gmt":"2025-10-06T10:33:40","guid":{"rendered":"https:\/\/www.wallisemi.com\/?p=1304"},"modified":"2025-10-07T10:35:24","modified_gmt":"2025-10-07T10:35:24","slug":"phat-trien-va-nhung-van-de-can-luu-y-lien-quan-den-chip-dinh-vi-ve-tinh-beidou-rdss","status":"publish","type":"post","link":"https:\/\/www.wallisemi.com\/vi\/blog\/industry-insights\/development-and-considerations-of-beidou-rdss-satellite-navigation-chips\/","title":{"rendered":"Ph\u00e1t tri\u1ec3n v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ea7n l\u01b0u \u00fd li\u00ean quan \u0111\u1ebfn chip \u0111\u1ecbnh v\u1ecb v\u1ec7 tinh BeiDou RDSS"},"content":{"rendered":"

T\u00f3m t\u1eaft<\/strong>
K\u1ec3 t\u1eeb khi H\u1ec7 th\u1ed1ng \u0110\u1ecbnh v\u1ecb V\u1ec7 tinh BeiDou (BDS) b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n v\u1eadn h\u00e0nh th\u1eed nghi\u1ec7m, qu\u00e1 tr\u00ecnh m\u1edf r\u1ed9ng ph\u1ea1m vi ph\u1ee7 s\u00f3ng to\u00e0n c\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea9y m\u1ea1nh. L\u00e0 n\u1ec1n t\u1ea3ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a h\u1ec7 th\u1ed1ng, s\u1ef1 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 c\u1ee7a c\u00e1c chip \u0111\u1ecbnh v\u1ecb v\u1ec7 tinh BeiDou \u0111\u00f3ng vai tr\u00f2 v\u00f4 c\u00f9ng quan tr\u1ecdng. B\u00e0i vi\u1ebft n\u00e0y \u0111i\u1ec3m l\u1ea1i l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ec7 th\u1ed1ng BeiDou v\u00e0 c\u00e1c chip RDSS, ph\u00e2n t\u00edch nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 th\u00e1ch th\u1ee9c hi\u1ec7n t\u1ea1i c\u1ee7a c\u00e1c chip n\u00e0y, \u0111\u1ed3ng th\u1eddi d\u1ef1 b\u00e1o c\u00e1c xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

1. T\u1ed5ng quan v\u1ec1 H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb v\u1ec7 tinh BeiDou<\/strong>
N\u0103m 1983, c\u00e1c nh\u00e0 khoa h\u1ecdc Trung Qu\u1ed1c \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t kh\u00e1i ni\u1ec7m v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb hai v\u1ec7 tinh, \u0111\u1eb7t n\u1ec1n m\u00f3ng cho h\u1ec7 th\u1ed1ng BeiDou. T\u1eeb n\u0103m 2000 \u0111\u1ebfn 2003, ba v\u1ec7 tinh BeiDou-1 \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00f3ng th\u00e0nh c\u00f4ng, h\u00ecnh th\u00e0nh h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m v\u1edbi c\u00e1c kh\u1ea3 n\u0103ng \u0111\u1ecbnh v\u1ecb, \u0111\u1ed3ng b\u1ed9 h\u00f3a th\u1eddi gian v\u00e0 truy\u1ec1n tin nh\u1eafn ng\u1eafn. Trong giai \u0111o\u1ea1n t\u1eeb n\u0103m 2007 \u0111\u1ebfn 2012, 16 v\u1ec7 tinh \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00f3ng l\u00ean, cung c\u1ea5p d\u1ecbch v\u1ee5 cho khu v\u1ef1c ch\u00e2u \u00c1-Th\u00e1i B\u00ecnh D\u01b0\u01a1ng v\u00e0 kh\u1eb3ng \u0111\u1ecbnh v\u1ecb th\u1ebf l\u00e0 h\u1ec7 th\u1ed1ng v\u1ec7 tinh duy nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi k\u1ebft h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng \u0111\u1ecbnh v\u1ecb v\u00e0 truy\u1ec1n th\u00f4ng.<\/p>\n\n\n\n

2. S\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c chip RDSS BeiDou trong n\u01b0\u1edbc<\/strong>
N\u0103m 2003, chip \u0111\u1ecbnh v\u1ecb BeiDou \u0111\u1ea7u ti\u00ean, BM3002, \u0111\u00e3 \u0111\u01b0\u1ee3c ra m\u1eaft, s\u1eed d\u1ee5ng quy tr\u00ecnh s\u1ea3n xu\u1ea5t 0,35\u03bcm v\u00e0 h\u1ed7 tr\u1ee3 t\u00edn hi\u1ec7u GPS v\u00e0 GLONASS. N\u0103m 2008, th\u1ebf h\u1ec7 chip th\u1ee9 hai, nh\u01b0 \u201cNavigator One\u201d v\u00e0 BM3005, \u0111\u00e3 \u0111\u01b0\u1ee3c ra m\u1eaft. C\u00e1c chip n\u00e0y \u00e1p d\u1ee5ng ki\u1ebfn tr\u00fac SOC v\u00e0 t\u00edch h\u1ee3p c\u00e1c l\u00f5i DSP, cho ph\u00e9p x\u1eed l\u00fd t\u00edn hi\u1ec7u v\u00e0 ph\u00e2n t\u00edch c\u00fa ph\u00e1p tin nh\u1eafn trong m\u1ed9t \u0111\u01a1n v\u1ecb duy nh\u1ea5t, v\u1edbi m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng kho\u1ea3ng 100mW. \u0110\u1ebfn n\u0103m 2012, c\u00e1c chip n\u00e2ng c\u1ea5p nh\u01b0 BM3013 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u, h\u1ed7 tr\u1ee3 x\u1eed l\u00fd ch\u1ebf \u0111\u1ed9 k\u00e9p RDSS v\u00e0 RNSS. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn l\u00ean 0,13\u03bcm v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng gi\u1ea3m xu\u1ed1ng c\u00f2n 50mW. S\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a c\u00e1c chip n\u00e0y \u0111\u00e3 d\u1eabn \u0111\u1ebfn vi\u1ec7c thu nh\u1ecf v\u00e0 ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i c\u00e1c thi\u1ebft b\u1ecb ng\u01b0\u1eddi d\u00f9ng, v\u1edbi s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng t\u0103ng t\u1eeb 3.000-5.000 ng\u01b0\u1eddi m\u1ed7i n\u0103m l\u00ean g\u1ea7n 20.000 ng\u01b0\u1eddi.<\/p>\n\n\n\n

3. Ki\u1ebfn tr\u00fac c\u1ed1t l\u00f5i c\u1ee7a chip RDSS BeiDou<\/strong>
Con chip n\u00e0y t\u00edch h\u1ee3p m\u1ed9t b\u1ed9 vi x\u1eed l\u00fd ho\u1eb7c b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP), b\u1ed9 nh\u1edb dung l\u01b0\u1ee3ng l\u1edbn, c\u00e1c k\u00eanh truy\u1ec1n l\u00ean v\u00e0 truy\u1ec1n xu\u1ed1ng RDSS, c\u00f9ng nhi\u1ec1u giao di\u1ec7n truy\u1ec1n th\u00f4ng kh\u00e1c nhau. B\u1ed9 x\u1eed l\u00fd b\u0103ng t\u1ea7n c\u01a1 s\u1edf \u0111\u1ea3m nhi\u1ec7m vi\u1ec7c x\u1eed l\u00fd t\u00edn hi\u1ec7u, trong khi b\u1ed9 vi x\u1eed l\u00fd th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n \u0111i\u1ec1u khi\u1ec3n v\u00e0 \u0111\u1ecbnh v\u1ecb. C\u00e1c bus t\u1ed1c \u0111\u1ed9 cao k\u1ebft n\u1ed1i c\u00e1c m\u00f4-\u0111un b\u00ean trong, gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c ch\u1ee9c n\u0103ng \u0111\u1ecbnh v\u1ecb v\u00e0 truy\u1ec1n th\u00f4ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n\n\n\n

4. Nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 th\u00e1ch th\u1ee9c c\u1ee7a chip RDSS BeiDou<\/strong>
Hi\u1ec7n t\u1ea1i, \u0111\u1ed9 nh\u1ea1y c\u1ee7a chip l\u00e0 -128dBm, th\u1ea5p h\u01a1n so v\u1edbi m\u1ee9c -159dBm c\u1ee7a GPS, khi\u1ebfn n\u00f3 d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng v\u00e0 g\u00f3c n\u00e2ng \u0103ng-ten. D\u1ea3i t\u1ea7n s\u1ed1 t\u00edn hi\u1ec7u xu\u1ed1ng g\u1ea7n v\u1edbi Bluetooth v\u00e0 4G, v\u1edbi t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng truy\u1ec1n th\u00f4ng t\u1eeb 90,1% \u0111\u1ebfn 95,1% t\u1ea1i c\u00e1c khu v\u1ef1c \u0111\u00f4 th\u1ecb. Kh\u1ea3 n\u0103ng truy\u1ec1n tin nh\u1eafn ng\u1eafn b\u1ecb gi\u1edbi h\u1ea1n \u1edf m\u1ee9c 1.680 bit m\u1ed7i l\u1ea7n truy\u1ec1n. Vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi dung l\u01b0\u1ee3ng l\u1edbn \u0111\u00f2i h\u1ecfi ph\u1ea3i ch\u1ea1y nhi\u1ec1u th\u1ebb song song, d\u1eabn \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ec7 th\u1ed1ng l\u1edbn h\u01a1n v\u00e0 ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng cao h\u01a1n. Ngo\u00e0i ra, ph\u1ea1m vi ph\u1ee7 s\u00f3ng to\u00e0n c\u1ea7u c\u1ee7a RDSS ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c nh\u01b0 chuy\u1ec3n \u0111\u1ed5i ch\u00f9m tia. N\u1ebfu th\u00eam c\u00e1c v\u1ec7 tinh IGSO, nh\u1eefng thay \u0111\u1ed5i v\u1ec1 v\u1ec7 tinh c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a li\u00ean l\u1ea1c.<\/p>\n\n\n\n

5. Tri\u1ec3n v\u1ecdng c\u1ee7a chip RDSS BeiDou<\/strong>
C\u00e1c chip th\u1ebf h\u1ec7 m\u1edbi c\u1ea7n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u1ec1 \u0111\u1ed9 nh\u1ea1y, hi\u1ec7u su\u1ea5t \u0111\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u. M\u00e3 h\u00f3a s\u1eeda l\u1ed7i tr\u01b0\u1edbc (FEC) v\u00e0 c\u00e1c thu\u1eadt to\u00e1n ch\u1ecbu l\u1ed7i \u0111\u1ed3ng b\u1ed9 khung c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t thu nh\u1eadn. Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng cao, vi\u1ec7c x\u1eed l\u00fd t\u00edn hi\u1ec7u v\u00e0 b\u00f9 l\u1ec7ch t\u1ea7n s\u1ed1 c\u1ea7n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a. C\u00f4ng ngh\u1ec7 t\u00edch h\u1ee3p \u0111a th\u1ebb v\u00e0 n\u00e9n m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd t\u0103ng c\u01b0\u1eddng dung l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng. N\u1ebfu ch\u1ee9c n\u0103ng RDSS \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng sang c\u00e1c v\u1ec7 tinh to\u00e0n c\u1ea7u, c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn chuy\u1ec3n \u0111\u1ed5i ch\u00f9m s\u00f3ng ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng c\u1ee7a truy\u1ec1n th\u00f4ng tr\u00ean ph\u1ea1m vi to\u00e0n c\u1ea7u.<\/p>\n\n\n\n

6. K\u1ebft lu\u1eadn<\/strong>
C\u00e1c chip \u0111\u1ecbnh v\u1ecb BeiDou \u0111\u00e3 tr\u1ea3i qua nhi\u1ec1u l\u1ea7n c\u1ea3i ti\u1ebfn v\u00e0 g\u1eafn li\u1ec1n v\u1edbi qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng. Trong b\u1ed1i c\u1ea3nh c\u1ea1nh tranh to\u00e0n c\u1ea7u v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb v\u1ec7 tinh ng\u00e0y c\u00e0ng gay g\u1eaft, BeiDou c\u00f3 nh\u1eefng c\u01a1 h\u1ed9i ph\u00e1t tri\u1ec3n quan tr\u1ecdng nh\u1edd vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng \u0111\u1ecbnh v\u1ecb v\u00e0 truy\u1ec1n th\u00f4ng. Nh\u1eefng \u0111\u1ed9t ph\u00e1 trong c\u00f4ng ngh\u1ec7 chip s\u1ebd l\u00e0 ch\u00eca kh\u00f3a th\u00fac \u0111\u1ea9y s\u1ef1 m\u1edf r\u1ed9ng to\u00e0n c\u1ea7u c\u1ee7a BeiDou.<\/p>","protected":false},"excerpt":{"rendered":"

AbstractSince the BeiDou Satellite Navigation System (BDS) entered its trial operation, its global expansion has accelerated. As the foundation of system applications, the technology development of BeiDou satellite navigation chips is crucial. This article reviews the development history of the BeiDou system and RDSS chips, analyzes current chip shortcomings and challenges, and forecasts future development […]<\/p>\n","protected":false},"author":1,"featured_media":1303,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,31],"tags":[36],"class_list":["post-1304","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-insights","category-blog","tag-yvette-wu"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1304","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=1304"}],"version-history":[{"count":1,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1304\/revisions"}],"predecessor-version":[{"id":1305,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1304\/revisions\/1305"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media\/1303"}],"wp:attachment":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media?parent=1304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/categories?post=1304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/tags?post=1304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}