{"id":11702,"date":"2022-06-22T10:21:58","date_gmt":"2022-06-22T17:21:58","guid":{"rendered":"https:\/\/www.litepoint.com\/?post_type=blog&#038;p=11702"},"modified":"2022-06-22T10:22:02","modified_gmt":"2022-06-22T17:22:02","slug":"uwb-%e8%ae%a4%e8%af%81%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e9%87%8d%e8%a6%81%e4%bb%a5%e5%8f%8a%e5%a6%82%e4%bd%95%e6%b5%8b%e8%af%95","status":"publish","type":"blog","link":"https:\/\/www.litepoint.com\/zh-hans\/blog\/uwb-%e8%ae%a4%e8%af%81%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e9%87%8d%e8%a6%81%e4%bb%a5%e5%8f%8a%e5%a6%82%e4%bd%95%e6%b5%8b%e8%af%95\/","title":{"rendered":"UWB \u8ba4\u8bc1\uff1a\u4e3a\u4ec0\u4e48\u91cd\u8981\u4ee5\u53ca\u5982\u4f55\u6d4b\u8bd5"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"680\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxOTIwIDEyNzUiIHdpZHRoPSIxOTIwIiBoZWlnaHQ9IjEyNzUiIGRhdGEtdT0iaHR0cHMlM0ElMkYlMkZ3d3cubGl0ZXBvaW50LmNvbSUyRndwLWNvbnRlbnQlMkZ1cGxvYWRzJTJGMjAyMiUyRjA1JTJGUGljdHVyZTEuanBnIiBkYXRhLXc9IjE5MjAiIGRhdGEtaD0iMTI3NSIgZGF0YS1iaXA9IiI+PC9zdmc+\" data-spai=\"1\" alt=\"\" class=\"wp-image-11553\" srcset=\" \" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>UWB <\/strong><strong>\u8ba4\u8bc1\u4e3a\u4ec0\u4e48\u91cd\u8981<\/strong><\/p>\n\n\n\n<p>\u56de\u987e\u4f1f\u5927\u65e0\u7ebf\u521b\u65b0\u7684\u5386\u53f2\uff0c\u63a8\u52a8\u6280\u672f\u8d70\u4e0a\u6210\u529f\u4e4b\u8def\u7684\u5171\u540c\u56e0\u7d20\u662f\u57fa\u4e8e\u5176\u6784\u5efa\u7684\u5e7f\u6cdb\u751f\u6001\u7cfb\u7edf\u3002\u5728\u8fc7\u53bb 20 \u5e74\u95f4\uff0cWi-Fi \u548c Bluetooth<sup>\u00ae<\/sup> \u6240\u53d6\u5f97\u7684\u6210\u529f\u4e3b\u8981\u662f\u7531\u4e8e\u4efb\u4f55\u5236\u9020\u5546\u6216\u54c1\u724c\u7684\u8bbe\u5907\u90fd\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u534f\u540c\u5de5\u4f5c\u3002\u6807\u51c6\u7684\u4e0d\u5b8c\u6574\u3001\u9519\u8bef\u6216\u4e13\u6709\u5b9e\u73b0\u4f1a\u964d\u4f4e\u8bbe\u5907\u6027\u80fd\u3002\u5728\u6700\u7cdf\u7cd5\u7684\u60c5\u51b5\u4e0b\uff0c\u7f3a\u4e4f\u517c\u5bb9\u6027\u4f1a\u5b8c\u5168\u963b\u6b62\u8bbe\u5907\u95f4\u7684\u901a\u4fe1\u3002\u53cd\u4e4b\uff0c\u6ee1\u8db3\u4e92\u64cd\u4f5c\u6027\u4f1a\u63d0\u5347\u6d88\u8d39\u8005\u7684\u4fe1\u5fc3\u5e76\u786e\u4fdd\u589e\u5f3a\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/www.wi-fi.org\/\">Wi-Fi Alliance<\/a><sup>\u00ae<\/sup>\uff08\u9488\u5bf9 Wi-Fi\uff09\u6216 <a href=\"https:\/\/www.bluetooth.com\/\">Bluetooth SIG<\/a><sup>\u00ae<\/sup>\uff08\u9488\u5bf9 Bluetooth<sup>\u00ae<\/sup>\uff09\u7b49\u884c\u4e1a\u8054\u76df\u901a\u8fc7\u6280\u672f\u8981\u6c42\u3001\u6d4b\u8bd5\u89c4\u8303\u548c\u8ba4\u8bc1\u8ba1\u5212\u786e\u4fdd\u5b9e\u73b0\u8bbe\u5907\u7684\u4e92\u64cd\u4f5c\u6027\u3002\u8fd9\u4e9b\u8054\u76df\u7531\u4e0d\u540c\u7684\u516c\u53f8\u7ec4\u6210\uff0c\u5b83\u4eec\u643a\u624b\u5408\u4f5c\uff0c\u81f4\u529b\u4e8e\u5b9e\u73b0\u589e\u52a0\u548c\u9f13\u52b1\u5e7f\u6cdb\u91c7\u7528\u5404\u81ea\u6280\u672f\u7684\u5171\u540c\u76ee\u6807\u3002<a href=\"https:\/\/www.firaconsortium.org\/\">FiRa\u2122 \u8054\u76df<\/a>\u627f\u62c5\u4e86<a href=\"https:\/\/www.litepoint.com\/zh-hans\/uwb\/\">\u8d85\u5bbd\u5e26<\/a>\u8fd9\u9879\u4efb\u52a1\uff0c\u65e8\u5728\u4e3a\u4eba\u7c7b\u548c\u8bbe\u5907\u63d0\u4f9b\u65e0\u7f1d\u3001\u5b89\u5168\u4e14\u7cbe\u786e\u7684\u4f4d\u7f6e\u611f\u77e5\u670d\u52a1\u3002FiRa \u8054\u5408\u4e86\u4e3b\u8981\u884c\u4e1a\u53c2\u4e0e\u8005\uff0c\u5171\u540c\u63d0\u4f9b\u786e\u4fdd\u5e7f\u6cdb\u91c7\u7528 UWB \u6240\u9700\u7684\u6784\u5efa\u6a21\u5757\uff0c\u6210\u5458\u6570\u8d85\u8fc7 120 \u5bb6\uff0c\u5305\u62ec\u6240\u6709\u9876\u7ea7\u624b\u673a\u5236\u9020\u5546\uff0c\u4ee5\u53ca\u82af\u7247\u7ec4\u3001\u7f51\u7edc\u3001\u5b89\u5168\u8bbf\u95ee\u548c\u6d88\u8d39\u6280\u672f\u9886\u57df\u7684\u5e02\u573a\u9886\u5bfc\u8005\u3002FiRa \u4e8e 2019 \u5e74\u6210\u7acb\uff0cLitePoint \u662f\u9996\u6279\u52a0\u5165\u8be5\u7ec4\u7ec7\u7684\u516c\u53f8\u4e4b\u4e00\u3002\u8be5\u8054\u76df\u7684\u4e00\u9879\u91cd\u8981\u4f7f\u547d\u662f\u5236\u5b9a\u89c4\u8303\u548c\u8ba4\u8bc1\u8ba1\u5212\uff0c\u4ee5\u63a8\u52a8 UWB \u82af\u7247\u7ec4\u548c\u652f\u6301 UWB \u7684\u8bbe\u5907\u4e4b\u95f4\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u4ee5\u53ca\u63d0\u4f9b\u76f8\u5e94\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"200\" height=\"200\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxIDEiIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIGRhdGEtdT0iaHR0cHMlM0ElMkYlMkZ3d3cubGl0ZXBvaW50LmNvbSUyRndwLWNvbnRlbnQlMkZ1cGxvYWRzJTJGJTJGMi5zdmciIGRhdGEtdz0iMSIgZGF0YS1oPSIxIiBkYXRhLWJpcD0iIj48L3N2Zz4=\" data-spai=\"1\" alt=\"\" class=\"wp-image-11706\"\/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center\">\u6765\u6e90\uff1aFiRa \u8054\u76df<\/p>\n\n\n\n<p><strong>FiRa <\/strong><strong>\u8ba4\u8bc1\u8ba1\u5212<\/strong><\/p>\n\n\n\n<p>2021 \u5e74 10 \u6708\uff0cFiRa \u542f\u52a8\u4e86\u65e8\u5728\u63a8\u52a8 UWB \u8bbe\u5907\u4e4b\u95f4\u4e92\u64cd\u4f5c\u6027\u7684\u8ba4\u8bc1\u8ba1\u5212\u3002\u5bf9\u4e8e\u7ecf\u8fc7 FiRa Certified\u2122 \u8ba4\u8bc1\u5e76\u663e\u793a FiRa Certified \u6807\u5fd7\u7684\u8bbe\u5907\uff0c\u5fc5\u987b\u7b26\u5408 FiRa \u89c4\u5b9a\u7684 MAC \u548c PHY \u4e00\u81f4\u6027\u6d4b\u8bd5\u89c4\u8303\u548c MAC\/PHY \u4e92\u64cd\u4f5c\u6027\u6d4b\u8bd5\u89c4\u8303\u3002\u8fdb\u884c\u8ba4\u8bc1\u65f6\uff0cFiRa \u6210\u5458\u9700\u5c06\u5176\u8bbe\u5907\u63d0\u4ea4\u7ed9\u72ec\u7acb\u7684\u6388\u6743\u6d4b\u8bd5\u5b9e\u9a8c\u5ba4 (ATL)\uff0c\u5e76\u6309\u7167\u8054\u76df\u7f51\u7ad9\u4e0a\u6240\u8ff0\u7684<a href=\"https:\/\/www.firaconsortium.org\/certifications\/certification-process\">\u8fc7\u7a0b<\/a>\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA5MzYgMTc0IiB3aWR0aD0iOTM2IiBoZWlnaHQ9IjE3NCIgZGF0YS11PSJodHRwcyUzQSUyRiUyRnd3dy5saXRlcG9pbnQuY29tJTJGd3AtY29udGVudCUyRnVwbG9hZHMlMkYyMDIyJTJGMDUlMkYzLnBuZyIgZGF0YS13PSI5MzYiIGRhdGEtaD0iMTc0IiBkYXRhLWJpcD0iIj48L3N2Zz4=\" data-spai=\"1\" alt=\"\" class=\"wp-image-11563\" width=\"854\" height=\"159\"  \/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center\">\u6765\u6e90\uff1aFiRa \u8054\u76df<\/p>\n\n\n\n<p><strong>PHY <\/strong><strong>\u4e00\u81f4\u6027\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n<p>UWB RF \u7269\u7406\u5c42 (PHY) \u4e00\u81f4\u6027\u9a8c\u8bc1\u662f\u63a8\u52a8\u53ef\u4e92\u64cd\u4f5c\u8bbe\u5907\u751f\u6001\u7cfb\u7edf\u7684\u91cd\u8981\u57fa\u7840\u6b65\u9aa4\u3002PHY \u4e00\u81f4\u6027\u6d4b\u8bd5\u9a8c\u8bc1\u82af\u7247\u7ec4\u548c\u8bbe\u5907\u662f\u5426\u7b26\u5408 FiRa \u7684 UWB PHY \u6280\u672f\u8981\u6c42\u548c PHY \u4e00\u81f4\u6027\u6d4b\u8bd5\u89c4\u8303\u3002<\/p>\n\n\n\n<p>FiRa \u7684 PHY \u6280\u672f\u8981\u6c42\u57fa\u4e8e IEEE 802.15.4 \u6807\u51c6\u548c 802.15.4z \u4fee\u8ba2\u7248\u672c\u3002\u8fd9\u4e9b\u8981\u6c42\u57fa\u4e8e IEEE \u5df2\u4e3a HRP\uff08\u9ad8\u91cd\u590d\u8109\u51b2\uff09\u6a21\u5f0f\u5efa\u7acb\u7684\u5185\u5bb9\u8fdb\u4e00\u6b65\u6784\u5efa\uff0c\u4ee5\u5b9a\u4e49\u4e3b\u8981\u529f\u80fd\u96c6\u548c\u6027\u80fd\u8981\u6c42\u3002 <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA5MzYgMzg0IiB3aWR0aD0iOTM2IiBoZWlnaHQ9IjM4NCIgZGF0YS11PSJodHRwcyUzQSUyRiUyRnd3dy5saXRlcG9pbnQuY29tJTJGd3AtY29udGVudCUyRnVwbG9hZHMlMkYyMDIyJTJGMDUlMkY0LnBuZyIgZGF0YS13PSI5MzYiIGRhdGEtaD0iMzg0IiBkYXRhLWJpcD0iIj48L3N2Zz4=\" data-spai=\"1\" alt=\"\" class=\"wp-image-11568\" width=\"858\" height=\"352\"  \/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center\">\u6765\u6e90\uff1aFiRa \u8054\u76df<\/p>\n\n\n\n<p>FiRa \u7684 PHY \u4e00\u81f4\u6027\u6d4b\u8bd5\u89c4\u8303\u5b9a\u4e49\u4e86\u9a8c\u8bc1 UWB \u8bbe\u5907\u662f\u5426\u7b26\u5408 PHY \u6280\u672f\u8981\u6c42\u7684\u6d4b\u8bd5\u9879\u3002\u8fd9\u5305\u62ec UWB \u8bbe\u5907\u7684\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\u6d4b\u8bd5\uff0c\u8fd9\u4e9b\u6d4b\u8bd5\u7528\u4e8e\u9a8c\u8bc1 UWB \u5e27\u662f\u5426\u7b26\u5408\u683c\u5f0f\u548c\u63a5\u6536\u8981\u6c42\u3002<\/p>\n\n\n\n<p>\u53d1\u5c04\u5668\u4e00\u81f4\u6027\u6d4b\u8bd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u53d1\u5c04\u5668\u5e27\u683c\u5f0f\u9a8c\u8bc1\uff1aSYNC\u3001SFD\u3001STS\u3001PHR\u3001DATA \u548c CRC<\/li><li>\u529f\u7387\u8c31\u5bc6\u5ea6\u906e\u7f69\u6a21\u677f\u9a8c\u8bc1<\/li><li>\u529f\u7387\u8c31\u5bc6\u5ea6\u906e\u7f69\u6a21\u677f\u9a8c\u8bc1<\/li><li>\u529f\u7387\u8c31\u5bc6\u5ea6\u906e\u7f69\u6a21\u677f\u9a8c\u8bc1<\/li><li>\u8109\u51b2\u65f6\u5e8f\u9a8c\u8bc1<\/li><li>\u53d1\u5c04\u5668\u4fe1\u53f7\u8d28\u91cf<\/li><\/ul>\n\n\n\n<p>\u63a5\u6536\u5668\u4e00\u81f4\u6027\u6d4b\u8bd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u63a5\u6536\u5668\u7075\u654f\u5ea6<\/li><li>\u63a5\u6536\u5668\u7b2c\u4e00\u8def\u5f84\u52a8\u6001\u8303\u56f4<\/li><li>\u63a5\u6536\u5668\u5e27\u89e3\u7801\u9a8c\u8bc1\uff1aSYNC\u3001SFD\u3001STS\u3001PHR\u3001DATA \u548c CRC<\/li><li>\u63a5\u6536\u5668\u975e\u6b63\u5e38\u6570\u636e\u5305\u6d4b\u8bd5\uff08\u8d1f\u9762\u6d4b\u8bd5\uff09<\/li><\/ul>\n\n\n\n<p>UWB\u5f85\u6d4b\u7269 (DUT) \u5fc5\u987b\u6210\u529f\u901a\u8fc7\u6240\u6709\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\u6d4b\u8bd5\u7528\u4f8b\u624d\u80fd\u83b7\u5f97 FiRa \u8ba4\u8bc1\u3002<\/p>\n\n\n\n<p><strong>FiRa PHY <\/strong><strong>\u4e00\u81f4\u6027\u6d4b\u8bd5\u5de5\u5177<\/strong><strong> (PCTT)<\/strong><\/p>\n\n\n\n<p>LitePoint \u7684 PHY \u4e00\u81f4\u6027\u6d4b\u8bd5\u5e73\u53f0\u662f\u6839\u636e PHY \u4e00\u81f4\u6027\u6d4b\u8bd5\u89c4\u8303\u5f00\u53d1\u7684\uff0c\u5df2\u901a\u8fc7 FiRa \u8054\u76df\u9a8c\u8bc1\u3002\u8be5\u6d4b\u8bd5\u5e73\u53f0\u53ef\u4f9b ATL \u9009\u62e9\u7528\u4e8e\u5f00\u5c55 PHY \u4e00\u81f4\u6027\u8ba4\u8bc1\u6d4b\u8bd5\uff0c\u4e5f\u53ef\u4f9b FiRa \u6210\u5458\u8fdb\u884c\u9884\u8ba4\u8bc1\u6d4b\u8bd5\u3002\u8fd9\u5957\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\u5305\u62ec\u786c\u4ef6\u5e73\u53f0\u4ee5\u53ca\u4f7f\u7528 UWB \u547d\u4ee4\u63a5\u53e3 (UCI) \u63a7\u5236\u6d4b\u8bd5\u4eea\u548c\u88ab\u6d4b\u8bbe\u5907 (DUT) \u7684\u6d4b\u8bd5\u7a0b\u5e8f\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA0NjggMjQ2IiB3aWR0aD0iNDY4IiBoZWlnaHQ9IjI0NiIgZGF0YS11PSJodHRwcyUzQSUyRiUyRnd3dy5saXRlcG9pbnQuY29tJTJGd3AtY29udGVudCUyRnVwbG9hZHMlMkYyMDIyJTJGMDUlMkY1LmpwZyIgZGF0YS13PSI0NjgiIGRhdGEtaD0iMjQ2IiBkYXRhLWJpcD0iIj48L3N2Zz4=\" data-spai=\"1\" alt=\"\" class=\"wp-image-11573\" width=\"624\" height=\"327\"  \/><\/figure>\n<\/div>\n\n\n<p>\u5b8c\u6574\u7684 PCTT \u8bbe\u7f6e\u7531\u4ee5\u4e0b\u5143\u7d20\u7ec4\u6210\uff1a<\/p>\n\n\n\n<ul 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