{"id":12556,"date":"2023-10-10T22:08:45","date_gmt":"2023-10-11T05:08:45","guid":{"rendered":"https:\/\/www.litepoint.com\/?post_type=blog&#038;p=12556"},"modified":"2023-10-10T22:14:52","modified_gmt":"2023-10-11T05:14:52","slug":"uwb-hype-or-here-to-stay","status":"publish","type":"blog","link":"https:\/\/www.litepoint.com\/zh-hans\/blog\/uwb-hype-or-here-to-stay\/","title":{"rendered":"UWB &#8211; \u662f\u4e00\u65f6\u7092\u4f5c\u8fd8\u662f\u6210\u4e3a\u5e38\u6001\uff1f"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"816\" height=\"478\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA4MTYgNDc4IiB3aWR0aD0iODE2IiBoZWlnaHQ9IjQ3OCIgZGF0YS11PSJodHRwcyUzQSUyRiUyRnd3dy5saXRlcG9pbnQuY29tJTJGd3AtY29udGVudCUyRnVwbG9hZHMlMkYyMDIzJTJGMDYlMkZscC1ibG9nLVVXQi0yLXNtLmpwZyIgZGF0YS13PSI4MTYiIGRhdGEtaD0iNDc4IiBkYXRhLWJpcD0iIj48L3N2Zz4=\" data-spai=\"1\" alt=\"\" class=\"wp-image-12246\"  \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u81ea\u4ece 2019 \u5e74\u4e3b\u8981\u667a\u80fd\u624b\u673a\u5236\u9020\u5546\u5f00\u59cb\u5c06\u8d85\u5bbd\u5e26 (UWB) \u786e\u7acb\u4e3a\u4e0b\u4e00\u4ee3\u5ba4\u5185\u5b9a\u4f4d\u65e0\u7ebf\u6807\u51c6\u4ee5\u6765\uff0cUWB \u7684\u5e94\u7528\u5df2\u53d8\u5f97\u8d8a\u6765\u8d8a\u666e\u904d\u3002\u4e5f\u6b63\u662f\u4ece\u90a3\u65f6\u5f00\u59cb\uff0c\u5927\u91cf\u7684\u76f8\u5173\u4ea7\u54c1\uff08\u6bd4\u5982\u80fd\u591f\u534f\u52a9\u5bfb\u627e\u9057\u843d\u94a5\u5319\u7684 UWB \u6807\u7b7e\uff09\u53d1\u5e03\u4fe1\u606f\u4ee5\u53ca\u5173\u4e8e\u521b\u65b0\u5e94\u7528\uff08\u6bd4\u5982\u5728 2022 \u5e74 FIFA \u4e16\u754c\u676f\u4e0a\u5b9e\u65f6\u8ffd\u8e2a\u8db3\u7403\u4f4d\u7f6e\uff09\u7684\u65b0\u95fb\u5982\u96e8\u540e\u6625\u7b0b\u822c\u6d8c\u73b0\u3002\u7136\u800c\u6211\u4eec\u4ecd\u7136\u9762\u4e34\u7740\u4e00\u4e2a\u95ee\u9898\uff1aUWB \u7684\u98ce\u9761\u5230\u5e95\u662f\u4e00\u65f6\u7092\u4f5c\u7684\u7ed3\u679c\uff0c\u8fd8\u662f\u4f1a\u50cf Wi-Fi \u4e00\u6837\u6210\u4e3a\u4e1a\u5185\u9ed8\u8ba4\u7684\u65e0\u7ebf\u6807\u51c6\uff1f\u90a3\u6211\u4eec\u5c31\u5e26\u7740\u8fd9\u4e2a\u95ee\u9898\u6765\u63a2\u8ba8\u4e00\u4e0b UWB \u6280\u672f\u5728\u65e0\u94a5\u5319\u5165\u8f66\u548c\u6570\u5b57\u652f\u4ed8\u7b49\u5173\u952e\u4efb\u52a1\u5e94\u7528\u4e2d\u7684\u6f5c\u529b\uff0c\u4ee5\u53ca\u5b83\u5728\u62d3\u5c55\u5e94\u7528\u8303\u56f4\u7684\u8fc7\u7a0b\u4e2d\u9762\u4e34\u7684\u6311\u6218\u3002<\/p>\n\n\n\n<p><strong>UWB <\/strong><strong>\u5728\u65e0\u94a5\u5319\u5165\u8f66\u9886\u57df\u7684\u5e94\u7528<\/strong><\/p>\n\n\n\n<p>2022 \u5e74\uff0c\u6c7d\u8f66\u8fde\u63a5\u8054\u76df (CCC) \u5ba3\u5e03\u5c06 UWB \u8ba4\u5b9a\u4e3a Bluetooth<sup>\u00ae<\/sup>&nbsp;\u4f4e\u529f\u8017\u6280\u672f\u7684\u8865\u5145\u6280\u672f\uff0c\u7528\u4e8e\u5b9e\u73b0\u5176\u6570\u5b57\u94a5\u5319\u89c4\u8303\u7b2c 3 \u7248\u4e2d\u6240\u8ff0\u7684\u5b89\u5168\u65e0\u94a5\u5319\u8fdb\u5165\u529f\u80fd\u3002&nbsp;&nbsp;\u5c3d\u7ba1\u57fa\u4e8e Bluetooth<sup>\u00ae<\/sup>&nbsp;\u4f4e\u529f\u8017\u7684\u9065\u63a7\u94a5\u5319\u548c\u5e94\u7528\u7a0b\u5e8f\u5df2\u88ab\u666e\u904d\u63a5\u53d7\uff0c\u4f46\u4eba\u4eec\u4ecd\u5728\u62c5\u5fc3\u53ef\u80fd\u5b58\u5728\u7684\u4e2d\u7ee7\u653b\u51fb\u95ee\u9898\u3002\u5728\u4e00\u4e2a\u7f51\u7edc\u70ed\u95e8\u89c6\u9891\u4e2d\uff0c\u6709\u4eba\u5229\u7528\u5e26\u6709 Bluetooth<sup>\u00ae<\/sup>&nbsp;\u4e2d\u7ee7\u88c5\u7f6e\u7684\u7b14\u8bb0\u672c\u7535\u8111\u5c06\u4e00\u8f86\u7279\u65af\u62c9\u8fdc\u7a0b\u89e3\u9501\u5e76\u9a7e\u8f66\u79bb\u5f00\uff1b\u89c6\u9891\u4e2d\u89e3\u91ca\u8bf4\uff0c\u8fd9\u79cd\u5b89\u5168\u6f0f\u6d1e\u53ef\u80fd\u4f1a\u5bf9\u4efb\u4f55\u642d\u8f7d\u4e86 Bluetooth<sup>\u00ae<\/sup>&nbsp;\u4f4e\u529f\u8017\u6280\u672f\u7684\u65e0\u94a5\u5319\u8fdb\u5165\u8f66\u8f86\u9020\u6210\u5f71\u54cd\u3002\u800c UWB \u5219\u662f\u4f9d\u9760\u7eb3\u79d2\u7ea7\u8109\u51b2\u5b9e\u73b0\u5398\u7c73\u7ea7\u7cbe\u5ea6\u7684\u8ddd\u79bb\u6d4b\u91cf\uff0c\u80fd\u591f\u786e\u4fdd\u4fe1\u53f7\u6765\u81ea\u5b9e\u9645\u5b58\u5728\u7684\u5408\u6cd5\u4fe1\u53f7\u6e90\uff0c\u800c\u975e\u6765\u81ea\u7ecf\u8fc7\u589e\u5f3a\u7684\u4e2d\u7ee7\u4fe1\u53f7\u3002UWB \u7684\u51fa\u73b0\u6709\u6548\u63d0\u5347\u4e86\u8bbe\u5907\u7684\u5b89\u5168\u6027\uff0c\u4ece\u800c\u80fd\u591f\u4e0e Bluetooth<sup>\u00ae<\/sup>&nbsp;\u4f4e\u529f\u8017\u6280\u672f\u4e00\u9053\u4e3a\u65e5\u76ca\u5173\u6ce8\u5b89\u5168\u6027\u80fd\u7684\u6c7d\u8f66\u884c\u4e1a\u63d0\u4f9b\u53ef\u9760\u3001\u5b89\u5168\u7684\u65e0\u94a5\u5319\u8fdb\u5165\u529f\u80fd\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"672\" height=\"464\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA2NzIgNDY0IiB3aWR0aD0iNjcyIiBoZWlnaHQ9IjQ2NCIgZGF0YS11PSJodHRwcyUzQSUyRiUyRnd3dy5saXRlcG9pbnQuY29tJTJGd3AtY29udGVudCUyRnVwbG9hZHMlMkYyMDIzJTJGMDYlMkZ1d2IxLnBuZyIgZGF0YS13PSI2NzIiIGRhdGEtaD0iNDY0IiBkYXRhLWJpcD0iIj48L3N2Zz4=\" data-spai=\"1\" alt=\"\" class=\"wp-image-12236\"  \/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center\">ABI Research (2022)<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>UWB <\/strong><strong>\u5728\u65e0\u7ebf\u652f\u4ed8\u9886\u57df\u7684\u5e94\u7528<\/strong><\/p>\n\n\n\n<p>\u968f\u7740\u667a\u80fd\u624b\u673a\u914d\u552e\u7387\u7684\u4e0d\u65ad\u4e0a\u5347\uff0c\u4eba\u4eec\u4e5f\u5f00\u59cb\u8003\u8651\u5c06 UWB \u7528\u4f5c\u8fd1\u573a\u901a\u4fe1 (NFC) \u7684\u66ff\u4ee3\u6216\u8865\u5145\u6280\u672f\u3002\u5982\u4eca\u975e\u63a5\u89e6\u5f0f\u652f\u4ed8\u5df2\u7ecf\u65e5\u76ca\u4e3a\u5927\u4f17\u6240\u63a5\u53d7\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u667a\u80fd\u8bbe\u5907\uff08\u4f8b\u5982\u667a\u80fd\u624b\u673a\u548c\u667a\u80fd\u624b\u8868\uff09\u5f00\u59cb\u642d\u8f7d NFC \u6280\u672f\uff0c\u4e14\u8be5\u6280\u672f\u5728\u667a\u80fd\u624b\u673a\u4e2d\u7684\u914d\u552e\u7387\u5df2\u8d85\u8fc7\u4e86 50%\u3002\u5728\u8fc7\u53bb 3 \u5e74\u4e2d\uff0c\u65b0\u51a0\u75c5\u6bd2\u7684\u51fa\u73b0\u4f7f\u5f97\u4eba\u4eec\u4e9f\u9700\u5c3d\u91cf\u907f\u514d\u63a5\u89e6\u5b9e\u4f53\u73b0\u91d1\u548c\u4fe1\u7528\u5361\uff0c\u56e0\u6b64\u4ece\u5ba2\u89c2\u4e0a\u52a0\u5feb\u4e86\u975e\u63a5\u89e6\u5f0f\u652f\u4ed8\uff08\u5305\u62ec NFC \u548c\u4e8c\u7ef4\u7801\u652f\u4ed8\uff09\u7684\u63a8\u5e7f\u901f\u5ea6\u3002UWB \u53ef\u4e3a\u652f\u4ed8\u884c\u4e1a\u5e26\u6765\u9769\u547d\u6027\u7684\u53d8\u5316\uff1a\u6d88\u8d39\u8005\u65e0\u9700\u53d6\u51fa\u4fe1\u7528\u5361\u3001\u94a5\u5319\u6216\u662f\u624b\u673a\u5373\u53ef\u652f\u4ed8\u8d2d\u8d27\u8d39\u7528\u6216\u662f\u89e3\u9501\u8f66\u95e8\uff1b\u8fd9\u4e00\u53d8\u5316\u5c06\u8fdb\u4e00\u6b65\u63a8\u52a8\u975e\u63a5\u89e6\u5f0f\u652f\u4ed8\u7684\u53d1\u5c55\uff1b\u51ed\u501f\u5398\u7c73\u7ea7\u7684\u7cbe\u5ea6\uff0cUWB \u53ef\u786e\u4fdd\u60a8\u4ec5\u4f1a\u4e3a\u81ea\u5df1\u9009\u8d2d\u7684\u8d27\u7269\u652f\u4ed8\u8d39\u7528\uff0c\u800c\u4e0d\u4f1a\u4e3a\u65c1\u8fb9\u7ed3\u8d26\u901a\u9053\u5185\u7684\u8d27\u7269\u57cb\u5355\u3002<\/p>\n\n\n\n<p><strong>Bluetooth<\/strong><strong><sup>\u00ae<\/sup><\/strong> <strong>\u548c<\/strong><strong> UWB<\/strong><\/p>\n\n\n\n<p>\u5c3d\u7ba1 UWB \u80fd\u591f\u4e3a\u5173\u952e\u4efb\u52a1\u5e94\u7528\u5e26\u6765\u65e0\u4e0e\u4f26\u6bd4\u7684\u7cbe\u5ea6\u548c\u5b89\u5168\u6027\uff0c\u4f46\u5bf9\u4e8e\u4e00\u4e9b\u57fa\u4e8e\u4f4d\u7f6e\u7684\u670d\u52a1\u800c\u8a00\uff0cBluetooth<sup>\u00ae<\/sup> \u4ecd\u4e0d\u5931\u4e3a\u4e00\u79cd\u5b9e\u7528\u7684\u9009\u62e9\u3002\u4e1a\u5185\u6b63\u5728\u4e3a Bluetooth<sup>\u00ae<\/sup> SIG \u5f00\u53d1\u65b0\u7684\u5e94\u7528\u65b9\u6cd5\uff08\u4f8b\u5982\u5148\u524d\u66fe\u88ab\u79f0\u4e3a\u9ad8\u7cbe\u5ea6\u8ddd\u79bb\u6d4b\u91cf (HADM) \u7684\u4fe1\u9053\u63a2\u6d4b (CHANNEL SOUNDING)\uff09\uff0c\u4ee5\u63d0\u9ad8\u8ddd\u79bb\u6d4b\u91cf\u7684\u7cbe\u5ea6\u548c\u5b89\u5168\u6027\u3002\u5e94\u7528 CHANNEL SOUNDING \u65b9\u6cd5\u65f6\uff0c\u7528\u6237\u53ef\u5229\u7528\u4e24\u4e2a\u6216\u66f4\u591a\u9891\u7387\u7684 Bluetooth<sup>\u00ae<\/sup> \u4fe1\u53f7\uff0c\u6839\u636e\u6240\u89c2\u5bdf\u5230\u7684\u4fe1\u53f7\u7684\u76f8\u5bf9\u76f8\u4f4d\u5dee\u6765\u8ba1\u7b97\u4e24\u53f0 Bluetooth<sup>\u00ae<\/sup> \u8bbe\u5907\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002\u4e0e\u5148\u524d\u7528\u4e8e Bluetooth<sup>\u00ae<\/sup> \u8ddd\u79bb\u6d4b\u91cf\u7684\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\u5668 (RSSI) \u65b9\u6cd5\uff08\u8be5\u65b9\u6cd5\u9700\u4f9d\u9760\u63a5\u6536\u4fe1\u53f7\u7684\u76f8\u5bf9\u529f\u7387\u6c34\u5e73\uff09\u4e0d\u540c\uff0cCHANNEL SOUNDING \u65b9\u6cd5\u5bf9\u4e2d\u7ee7\u653b\u51fb\u7684\u654f\u611f\u6027\u8f83\u4f4e\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u66f4\u4e3a\u51fa\u8272\u7684\u7c73\u7ea7\u7cbe\u5ea6\u3002\u5c3d\u7ba1\u6b64\u79cd\u7cbe\u5ea6\u4e4b\u524d\u5df2\u80fd\u591f\u901a\u8fc7\u591a\u4e2a\u5929\u7ebf\u8fdb\u884c\u4e09\u89d2\u6d4b\u91cf\u6765\u5b9e\u73b0\uff0c\u4f46\u662f CHANNEL SOUNDING \u65b9\u6cd5\u7684\u5355\u5929\u7ebf\u5b9e\u73b0\u65b9\u5f0f\u80fd\u591f\u5728\u6b64\u57fa\u7840\u4e0a\u6709\u6548\u964d\u4f4e\u786c\u4ef6\u6210\u672c\u3002\u6b64\u5916\uff0c\u7528\u6237\u8fd8\u53ef\u4ee5\u5728 Bluetooth<sup>\u00ae<\/sup> \u4fe1\u9053\u63a2\u6d4b\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u4e00\u4e2a\u540d\u4e3a\u6807\u51c6\u5316\u653b\u51fb\u68c0\u6d4b\u5668 (NAD) \u7684\u6307\u6807\u6765\u8bc6\u522b\u548c\u91cf\u5316\u5c04\u9891\u73af\u5883\u4e2d\u7684\u7a81\u53d8\u72b6\u51b5\u3002\u7528\u6237\u53ef\u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u4e0e\u9884\u671f\u7684\u6570\u636e\u5305\u4fe1\u53f7\u8fdb\u884c\u6bd4\u8f83\uff0c\u5e76\u5c06\u7531\u6b64\u8ba1\u7b97\u5f97\u51fa\u7684 NAD \u5ea6\u91cf\u503c\u89c6\u4e3a\u5b58\u5728\u653b\u51fb\u8005\u7684\u6982\u7387\u3002\u5047\u8bbe CHANNEL SOUNDING \u5728\u667a\u80fd\u624b\u673a\u4e2d\u7684\u914d\u552e\u7387\u4e3a 100%\uff0c\u5f53\u6700\u7ec8\u786e\u5b9a\u91c7\u7528 CHANNEL SOUNDING \u65b9\u6cd5\u65f6\uff0c\u8be5\u65b9\u6cd5\u53ef\u80fd\u4f1a\u542f\u7528\u5927\u91cf\u9700\u8981\u5728\u6570\u7c73\u5185\u8fdb\u884c\u8ddd\u79bb\u6d4b\u91cf\u7684\u5b9e\u65f6\u5b9a\u4f4d\u670d\u52a1 (RTLS)\uff0c\u4f8b\u5982\u5ba4\u5185\u5bfc\u822a\u3001\u8d44\u4ea7\u4e0e\u4eba\u5458\u8ddf\u8e2a\u7b49\u3002\u7136\u800c\u5728\u7cbe\u5ea6\u548c\u5b89\u5168\u6027\u8981\u6c42\u66f4\u9ad8\u7684\u5173\u952e\u4efb\u52a1\u5e94\u7528\uff08\u4f8b\u5982\u975e\u63a5\u89e6\u5f0f\u652f\u4ed8\u3001\u65e0\u94a5\u5319\u6c7d\u8f66\u8fdb\u5165\u548c\u6570\u5b57\u9152\u5e97\u623f\u95f4\u94a5\u5319\uff09\u9886\u57df\uff0cUWB \u53ef\u80fd\u4f1a\u7ee7\u7eed\u5360\u636e\u4e3b\u5bfc\u5730\u4f4d\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"816\" height=\"478\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA4MTYgNDc4IiB3aWR0aD0iODE2IiBoZWlnaHQ9IjQ3OCIgZGF0YS11PSJodHRwcyUzQSUyRiUyRnd3dy5saXRlcG9pbnQuY29tJTJGd3AtY29udGVudCUyRnVwbG9hZHMlMkYyMDIzJTJGMDYlMkZscC1ibG9nLVVXQi1zbS5qcGciIGRhdGEtdz0iODE2IiBkYXRhLWg9IjQ3OCIgZGF0YS1iaXA9IiI+PC9zdmc+\" data-spai=\"1\" alt=\"\" class=\"wp-image-12241\"  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