{"id":32876,"date":"2023-08-08T09:55:00","date_gmt":"2023-08-08T02:55:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=32876"},"modified":"2023-08-14T09:56:55","modified_gmt":"2023-08-14T02:56:55","slug":"cai-tien-dong-ho-nuoc-co-the-canh-bao-nguoi-la-xam-nhap","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cai-tien-dong-ho-nuoc-co-the-canh-bao-nguoi-la-xam-nhap\/","title":{"rendered":"C\u1ea3i ti\u1ebfn \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u00f3 th\u1ec3 c\u1ea3nh b\u00e1o ng\u01b0\u1eddi l\u1ea1 x\u00e2m nh\u1eadp"},"content":{"rendered":"\n

S\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 truy\u1ec1n kh\u00f4ng d\u00e2y, nh\u00f3m nh\u00e0 khoa h\u1ecdc \u0110HBK TP HCM t\u00edch h\u1ee3p module v\u00e0o \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc \u0111\u1ec3 n\u00f3 tr\u1edf n\u00ean th\u00f4ng minh, c\u1ea3nh b\u00e1o cho ng\u01b0\u1eddi d\u00f9ng bi\u1ebft l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ea5t th\u01b0\u1eddng ho\u1eb7c b\u1ecb \u0111\u00e1nh c\u1eafp.<\/p>\n\n\n\n

Nghi\u00ean c\u1ee9u do th\u1ea1c s\u0129 Nguy\u1ec5n Ho\u00e0i Phong, Khoa \u0110i\u1ec7n – \u0110i\u1ec7n t\u1eed, th\u1ef1c hi\u1ec7n t\u1eeb n\u0103m 2018, v\u1edbi m\u1ee5c ti\u00eau t\u1ea1o ra s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 cao thay th\u1ebf h\u00e0ng nh\u1eadp ngo\u1ea1i.<\/p>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t thi\u1ebft b\u1ecb d\u1ea1ng module t\u00edch h\u1ee3p v\u00e0o \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u01a1 th\u00f4ng th\u01b0\u1eddng. Thi\u1ebft b\u1ecb c\u00f3 ba b\u1ed9 ph\u1eadn ch\u00ednh g\u1ed3m bo m\u1ea1ch d\u00f9ng ghi nh\u1eadn ch\u1ec9 s\u1ed1 n\u01b0\u1edbc theo c\u01a1 ch\u1ebf ph\u00e1t xung \u0111i\u1ec7n v\u00e0 l\u01b0u d\u1eef li\u1ec7u v\u00e0o b\u1ed9 x\u1eed l\u00fd. C\u1ea3m bi\u1ebfn LC \u0111\u1ec3 ph\u00e1t hi\u1ec7n h\u00e0nh vi b\u01a1m n\u01b0\u1edbc ng\u01b0\u1ee3c (can thi\u1ec7p l\u00e0m quay ng\u01b0\u1ee3c kim \u0111\u1ed3ng h\u1ed3 \u0111\u1ec3 \u0103n c\u1eafp n\u01b0\u1edbc). Pin d\u00f9ng cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n

Nh\u00f3m s\u1eed d\u1ee5ng hai c\u00f4ng ngh\u1ec7 kh\u00f4ng d\u00e2y Lora v\u00e0 NB-IoT truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u t\u1eeb \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc l\u00ean m\u00e1y ch\u1ee7. M\u1ed9t \u1ee9ng d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd to\u00e0n b\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u0169ng \u0111\u01b0\u1ee3c nh\u00f3m x\u00e2y d\u1ef1ng. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea3i \u1ee9ng d\u1ee5ng v\u1ec1 m\u00e1y t\u00ednh ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i. C\u00e1c d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c truy\u1ec1n v\u1ec1 \u1ee9ng d\u1ee5ng n\u00e0y. Khi \u0111\u00f3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 theo d\u00f5i qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng n\u01b0\u1edbc theo th\u1eddi gian th\u1ef1c, ph\u1ee5c v\u1ee5 \u0111\u1ed1i chi\u1ebfu v\u1edbi d\u1eef li\u1ec7u t\u1eeb \u0111\u01a1n v\u1ecb c\u1ea5p n\u01b0\u1edbc.<\/p>\n\n\n\n

Theo nh\u00f3m nghi\u00ean c\u1ee9u, \u1ee9ng d\u1ee5ng c\u0169ng cho ph\u00e9p c\u00e0i \u0111\u1eb7t l\u01b0\u1ee3ng n\u01b0\u1edbc s\u1eed d\u1ee5ng trung b\u00ecnh, n\u1ebfu v\u01b0\u1ee3t ng\u01b0\u1ee1ng s\u1ebd t\u1ef1 c\u1ea3nh b\u00e1o tr\u00ean m\u00e0n h\u00ecnh. “Thi\u1ebft b\u1ecb c\u0169ng c\u00f3 th\u1ec3 b\u00e1o \u0111\u1ed9ng khi c\u00f3 ng\u01b0\u1eddi l\u1ea1 m\u1edf n\u1eafp b\u1ea3o v\u1ec7 module”, th\u1ea1c s\u0129 Phong n\u00f3i.<\/p>\n\n\n\n

\"H\u00ecnh
H\u00ecnh \u1ea3nh thi\u1ebft b\u1ecb g\u1eafn v\u00e0o m\u1eb7t \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u01a1. \u1ea2nh: NVCC<\/em><\/figcaption><\/figure>\n\n\n\n

Lora v\u00e0 NB-IoT l\u00e0 hai c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn kh\u00f4ng d\u00e2y s\u1eed d\u1ee5ng s\u00f3ng v\u00f4 tuy\u1ebfn. \u00d4ng Phong cho bi\u1ebft, v\u1edbi c\u00f4ng ngh\u1ec7 Lora s\u1ebd kh\u00f4ng t\u1ed1n ph\u00ed thu\u00ea bao t\u1eeb nh\u00e0 m\u1ea1ng, nh\u01b0ng ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i l\u1eafp gateway \u0111i\u1ec1u khi\u1ec3n c\u00e1c module g\u1eafn tr\u00ean \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc. Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y kho\u1ea3ng 2 – 5 km, ph\u00f9 h\u1ee3p cho khu v\u1ef1c di\u1ec7n t\u00edch nh\u1ecf kh\u00f4ng c\u00f3 nhi\u1ec1u v\u1eadt c\u1ea3n. C\u00f2n c\u00f4ng ngh\u1ec7 NB-IoT s\u1ebd t\u1ed1n chi ph\u00ed thu\u00ea bao v\u00e0 \u0111\u1ed9 ph\u1ee7 s\u00f3ng ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 m\u1ea1ng. C\u00f4ng ngh\u1ec7 n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi khu v\u1ef1c ph\u1ea1m vi r\u1ed9ng, kh\u00f4ng gian b\u1ecb che khu\u1ea5t. “T\u00f9y v\u00e0o s\u1ed1 l\u01b0\u1ee3ng module v\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng gian t\u1eebng khu v\u1ef1c \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn ph\u00f9 h\u1ee3p”, \u00f4ng Phong n\u00f3i.<\/p>\n\n\n\n

C\u00e1c module c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ee5i, n\u01b0\u1edbc, ph\u00f9 h\u1ee3p ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t v\u00e0 c\u00f3 tu\u1ed5i th\u1ecd pin t\u1ed1i \u0111a 6 n\u0103m.<\/p>\n\n\n\n

Theo t\u00e1c gi\u1ea3, t\u00f9y theo nhu c\u1ea7u c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 n\u00e2ng c\u00f4ng su\u1ea5t pin v\u1edbi chi ph\u00ed cao h\u01a1n. V\u1edbi nh\u1eefng khu v\u1ef1c c\u00f3 s\u1eb5n \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc vi\u1ec7c l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ch\u1ec9 m\u1ea5t kho\u1ea3ng m\u1ed9t bu\u1ed5i. Nh\u00f3m nghi\u00ean c\u1ee9u cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 cho ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c c\u00f3 th\u1ec3 h\u01b0\u1edbng d\u1eabn c\u00e1c b\u01b0\u1edbc thi\u1ebft l\u1eadp n\u1ebfu kh\u00e1ch h\u00e0ng c\u00f3 s\u1eb5n h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7. D\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7 c\u1eadp nh\u1eadt 24 ti\u1ebfng m\u1ed9t l\u1ea7n \u1edf ch\u1ebf \u0111\u1ed9 m\u1eb7c \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 t\u0103ng t\u1ea7n su\u1ea5t t\u1ed1i \u0111a 1 gi\u1edd m\u1ed7i l\u1ea7n, t\u00f9y theo c\u00e0i \u0111\u1eb7t. T\u1ea7n su\u1ea5t theo d\u00f5i l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00e0ng d\u00e0y th\u00ec m\u1ee9c \u0111\u1ed9 ti\u00eau th\u1ee5 pin c\u00e0ng l\u1edbn.<\/p>\n\n\n\n

\"Giao
Giao di\u1ec7n s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng qu\u1ea3n l\u00fd \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc th\u00f4ng minh do nh\u00f3m th\u1ef1c hi\u1ec7n. \u1ea2nh: NVCC<\/em><\/figcaption><\/figure>\n\n\n\n

Gi\u00e1 cho m\u1ed9t module t\u00edch h\u1ee3p v\u00e0o \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc kho\u1ea3ng 1,3 – 1,8 tri\u1ec7u \u0111\u1ed3ng bao g\u1ed3m 2 n\u0103m s\u1eed d\u1ee5ng mi\u1ec5n ph\u00ed ph\u1ea7n m\u1ec1m, m\u00e1y ch\u1ee7. \u0110\u00e2y l\u00e0 m\u1ee9c gi\u00e1 cho quy m\u00f4 s\u1ea3n xu\u1ea5t 100 chi\u1ebfc. N\u1ebfu l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng l\u1edbn h\u01a1n gi\u00e1 s\u1ebd r\u1ebb h\u01a1n. M\u1ed9t s\u1ed1 \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh c\u1ee7a M\u1ef9, ch\u00e2u \u00c2u c\u00f3 gi\u00e1 4 – 5 tri\u1ec7u \u0111\u1ed3ng, th\u1eadm ch\u00ed cao h\u01a1n, theo nh\u00f3m nghi\u00ean c\u1ee9u.<\/p>\n\n\n\n

S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t th\u1eed nghi\u1ec7m t\u1ea1i 60 \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc k\u00fd t\u00fac x\u00e1 \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa TP HCM t\u1eeb n\u0103m 2021 v\u00e0 m\u1ed9t s\u1ed1 khu d\u00e2n c\u01b0, nh\u00e0 m\u00e1y \u1edf \u0110\u1ed3ng Th\u00e1p, Ti\u1ec1n Giang. K\u1ebft qu\u1ea3 cho th\u1ea5y d\u1eef li\u1ec7u c\u00f3 truy\u1ec1n th\u1eddi gian th\u1ef1c c\u00f3 \u0111\u1ed9 sai s\u1ed1 d\u01b0\u1edbi 5%.<\/p>\n\n\n\n

\u00d4ng V\u00f5 Nh\u1eadt T\u00e2n, \u0111\u1ea1i di\u1ec7n C\u00f4ng ty C\u1ea5p n\u01b0\u1edbc S\u00e0i G\u00f2n (Sawaco) cho bi\u1ebft, TP HCM c\u00f3 kho\u1ea3ng 1,6 tri\u1ec7u \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u1ee7a kh\u00e1ch h\u00e0ng do \u0111\u01a1n v\u1ecb qu\u1ea3n l\u00fd. Trong s\u1ed1 n\u00e0y c\u00f3 kho\u1ea3ng 40.000 \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh nh\u1eadp kh\u1ea9u v\u00e0 c\u00f3 c\u1ea3 \u0111\u01a1n v\u1ecb trong n\u01b0\u1edbc cung c\u1ea5p.<\/p>\n\n\n\n

V\u1edbi nghi\u00ean c\u1ee9u c\u1ee7a nh\u00f3m, \u00f4ng T\u00e2n \u0111\u00e1nh gi\u00e1, Lora s\u1eed d\u1ee5ng s\u00f3ng v\u00f4 tuy\u1ebfn mi\u1ec5n ph\u00ed song ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n d\u1eabn n\u00e0y \u0111\u00f2i h\u1ecfi khu v\u1ef1c c\u00f3 kh\u00f4ng gian th\u00f4ng tho\u00e1ng. \u1ede nh\u1eefng n\u01a1i d\u00e2n c\u01b0 \u0111\u00f4ng \u0111\u00fac, c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb thu ph\u00e1t s\u00f3ng kh\u00e1c s\u1ebd g\u00e2y ra t\u00ecnh tr\u1ea1ng nhi\u1ec5u \u1ea3nh h\u01b0\u1edfng truy\u1ec1n d\u1eef li\u1ec7u. V\u1edbi c\u00f4ng ngh\u1ec7 NB-IoT c\u00f3 \u01b0u \u0111i\u1ec3m ti\u1ebft ki\u1ec7m pin, ph\u00f9 h\u1ee3p khu d\u00e2n c\u01b0 \u0111\u00f4ng \u0111\u00fac. Tuy nhi\u00ean c\u00f4ng ngh\u1ec7 n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c \u0111\u1ea7u t\u01b0 \u0111\u01b0\u1eddng truy\u1ec1n c\u1ee7a nh\u00e0 cung c\u1ea5p m\u1ea1ng.<\/p>\n\n\n\n

Theo \u00f4ng T\u00e2n, ngo\u00e0i c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eef li\u1ec7u, v\u1edbi c\u00e1c \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc th\u00f4ng minh y\u1ebfu t\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng thi\u1ebft b\u1ecb b\u00ean trong c\u0169ng r\u1ea5t quan tr\u1ecdng. B\u1edfi sau 1 – 2 n\u0103m s\u1eed d\u1ee5ng \u0111\u1ed9 ch\u00ednh x\u00e1c d\u1eef li\u1ec7u s\u1ebd gi\u1ea3m d\u1ea7n. “D\u1eef li\u1ec7u ph\u1ea3i lu\u00f4n \u0111\u00fang, ch\u00fang t\u00f4i m\u1edbi c\u00f3 th\u1ec3 t\u00edch h\u1ee3p v\u00e0o c\u00f4ng c\u1ee5 ch\u0103m s\u00f3c kh\u00e1ch h\u00e0ng, \u0111\u1ec3 vi\u1ec7c t\u00ednh ti\u1ec1n n\u01b0\u1edbc lu\u00f4n ch\u00ednh x\u00e1c”, \u0111\u1ea1i di\u1ec7n Sawaco n\u00f3i.<\/p>\n\n\n\n

H\u00e0 An<\/strong><\/p>\n\n\n\n

https:\/\/vnexpress.net\/cai-tien-dong-ho-nuoc-co-the-canh-bao-nguoi-la-xam-nhap-4636960.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

S\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 truy\u1ec1n kh\u00f4ng d\u00e2y, nh\u00f3m nh\u00e0 khoa h\u1ecdc \u0110HBK TP HCM t\u00edch h\u1ee3p module v\u00e0o \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc \u0111\u1ec3 n\u00f3 tr\u1edf n\u00ean th\u00f4ng minh, c\u1ea3nh b\u00e1o cho ng\u01b0\u1eddi d\u00f9ng bi\u1ebft l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ea5t th\u01b0\u1eddng ho\u1eb7c b\u1ecb \u0111\u00e1nh c\u1eafp. Nghi\u00ean c\u1ee9u do th\u1ea1c s\u0129 Nguy\u1ec5n Ho\u00e0i Phong, Khoa \u0110i\u1ec7n – \u0110i\u1ec7n t\u1eed, th\u1ef1c […]<\/p>\n","protected":false},"author":23,"featured_media":32877,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-32876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/32876","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=32876"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/32876\/revisions"}],"predecessor-version":[{"id":32878,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/32876\/revisions\/32878"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/32877"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=32876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=32876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=32876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}