{"id":12559,"date":"2023-10-10T22:22:40","date_gmt":"2023-10-11T05:22:40","guid":{"rendered":"https:\/\/www.litepoint.com\/?post_type=blog&#038;p=12559"},"modified":"2023-10-10T22:22:45","modified_gmt":"2023-10-11T05:22:45","slug":"uwb-hype-or-here-to-stay","status":"publish","type":"blog","link":"https:\/\/www.litepoint.com\/zh-hant\/blog\/uwb-hype-or-here-to-stay\/","title":{"rendered":"UWB &#8211; \u662f\u4e00\u6642\u7092\u4f5c\u9084\u662f\u6210\u70ba\u5e38\u614b\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\u5f9e 2019 \u5e74\u4e3b\u8981\u667a\u6167\u624b\u6a5f\u88fd\u9020\u5546\u958b\u59cb\u5c07\u8d85\u5bec\u983b \uff08UWB\uff09 \u78ba\u7acb\u70ba\u4e0b\u4e00\u4ee3\u5ba4\u5167\u5b9a\u4f4d\u7121\u7dda\u6a19\u6e96\u4ee5\u4f86\uff0cUWB \u7684\u61c9\u7528\u5df2\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002 \u4e5f\u6b63\u662f\u5f9e\u90a3\u6642\u958b\u59cb\uff0c\u5927\u91cf\u7684\u76f8\u95dc\u7522\u54c1\uff08\u6bd4\u5982\u80fd\u5920\u5354\u52a9\u5c0b\u627e\u907a\u843d\u9470\u5319\u7684UWB\u6a19\u7c64\uff09\u767c\u4f48\u8cc7\u8a0a\u4ee5\u53ca\u95dc\u65bc\u5275\u65b0\u61c9\u7528\uff08\u6bd4\u5982\u57282022\u5e74FIFA\u4e16\u754c\u76c3\u4e0a\u5373\u6642\u8ffd\u8e64\u8db3\u7403\u4f4d\u7f6e\uff09\u7684\u65b0\u805e\u5982\u96e8\u5f8c\u6625\u7b4d\u822c\u6e67\u73fe\u3002 \u7136\u800c\u6211\u5011\u4ecd\u7136\u9762\u81e8\u8457\u4e00\u500b\u554f\u984c\uff1aUWB \u7684\u98a8\u9761\u5230\u5e95\u662f\u4e00\u6642\u7092\u4f5c\u7684\u7d50\u679c\uff0c\u9084\u662f\u6703\u50cfWi-Fi\u4e00\u6a23\u6210\u70ba\u696d\u5167\u9810\u8a2d\u7684\u7121\u7dda\u6a19\u6e96\uff1f\u90a3\u6211\u5011\u5c31\u5e36\u8457\u9019\u500b\u554f\u984c\u4f86\u63a2\u8a0e\u4e00\u4e0bUWB\u6280\u8853\u5728\u7121\u9470\u5319\u5165\u8eca\u548c\u6578\u4f4d\u652f\u4ed8\u7b49\u95dc\u9375\u4efb\u52d9\u61c9\u7528\u4e2d\u7684\u6f5b\u529b\uff0c\u4ee5\u53ca\u5b83\u5728\u62d3\u5c55\u61c9\u7528\u7bc4\u570d\u7684\u904e\u7a0b\u4e2d\u9762\u81e8\u7684\u6311\u6230\u3002<\/p>\n\n\n\n<p><strong>UWB <\/strong><strong>\u5728\u7121\u9470\u5319\u5165\u8eca\u9818\u57df\u7684\u61c9\u7528<\/strong><\/p>\n\n\n\n<p>2022\u5e74\uff0c\u6c7d\u8eca\u9023\u63a5\u806f\u76df \uff08CCC\uff09 \u5ba3\u4f48\u5c07UWB\u8a8d\u5b9a\u70baBluetooth\u00ae\u4f4e\u529f\u8017\u6280\u8853\u7684\u88dc\u5145\u6280\u8853\uff0c\u7528\u65bc\u5be6\u73fe\u5176\u6578\u4f4d\u9470\u5319\u898f\u7bc4\u7b2c3\u7248\u4e2d\u6240\u8ff0\u7684\u5b89\u5168\u7121\u9470\u5319\u9032\u5165\u529f\u80fd\u3002&nbsp;&nbsp;\u5118\u7ba1\u57fa\u65bc Bluetooth\u00ae \u4f4e\u529f\u8017\u7684\u9059\u63a7\u9470\u5319\u548c\u61c9\u7528\u7a0b\u5f0f\u5df2\u88ab\u666e\u904d\u63a5\u53d7\uff0c\u4f46\u4eba\u5011\u4ecd\u5728\u64d4\u5fc3\u53ef\u80fd\u5b58\u5728\u7684\u4e2d\u7e7c\u653b\u64ca\u554f\u984c\u3002 \u5728\u4e00\u500b\u7db2\u8def\u71b1\u9580\u8996\u983b\u4e2d\uff0c\u6709\u4eba\u5229\u7528\u5e36\u6709 Bluetooth\u00ae \u4e2d\u7e7c\u88dd\u7f6e\u7684\u7b46\u8a18\u578b\u96fb\u8166\u5c07\u4e00\u8f1b\u7279\u65af\u62c9\u9060\u7aef\u89e3\u9396\u4e26\u99d5\u8eca\u96e2\u958b;\u8996\u983b\u4e2d\u89e3\u91cb\u8aaa\uff0c\u9019\u7a2e\u5b89\u5168\u6f0f\u6d1e\u53ef\u80fd\u6703\u5c0d\u4efb\u4f55\u642d\u8f09\u4e86 Bluetooth\u00ae \u4f4e\u529f\u8017\u6280\u8853\u7684\u7121\u9470\u5319\u9032\u5165\u8eca\u8f1b\u9020\u6210\u5f71\u97ff\u3002 \u800cUWB\u5247\u662f\u4f9d\u9760\u7d0d\u79d2\u7d1a\u8108\u885d\u5be6\u73fe\u91d0\u7c73\u7d1a\u7cbe\u5ea6\u7684\u8ddd\u96e2\u6e2c\u91cf\uff0c\u80fd\u5920\u78ba\u4fdd\u4fe1\u865f\u4f86\u81ea\u5be6\u969b\u5b58\u5728\u7684\u5408\u6cd5\u4fe1\u865f\u6e90\uff0c\u800c\u975e\u4f86\u81ea\u7d93\u904e\u589e\u5f37\u7684\u4e2d\u7e7c\u4fe1\u865f\u3002 UWB \u7684\u51fa\u73fe\u6709\u6548\u63d0\u5347\u4e86\u8a2d\u5099\u7684\u5b89\u5168\u6027\uff0c\u5f9e\u800c\u80fd\u5920\u8207 Bluetooth\u00ae \u4f4e\u529f\u8017\u6280\u8853\u4e00\u9053\u70ba\u65e5\u76ca\u95dc\u6ce8\u5b89\u5168\u6027\u80fd\u7684\u6c7d\u8eca\u884c\u696d\u63d0\u4f9b\u53ef\u9760\u3001\u5b89\u5168\u7684\u7121\u9470\u5319\u9032\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\u7121\u7dda\u652f\u4ed8\u9818\u57df\u7684\u61c9\u7528<\/strong><\/p>\n\n\n\n<p>\u96a8\u8457\u667a\u6167\u624b\u6a5f\u914d\u552e\u7387\u7684\u4e0d\u65b7\u4e0a\u5347\uff0c\u4eba\u5011\u4e5f\u958b\u59cb\u8003\u616e\u5c07UWB\u7528\u4f5c\u8fd1\u5834\u901a\u4fe1 \uff08NFC\uff09 \u7684\u66ff\u4ee3\u6216\u88dc\u5145\u6280\u8853\u3002 \u5982\u4eca\u975e\u63a5\u89f8\u5f0f\u652f\u4ed8\u5df2\u7d93\u65e5\u76ca\u70ba\u5927\u773e\u6240\u63a5\u53d7\uff0c\u8d8a\u4f86\u8d8a\u591a\u7684\u667a\u6167\u8a2d\u5099\uff08\u4f8b\u5982\u667a\u6167\u624b\u6a5f\u548c\u667a\u6167\u624b\u9336\uff09\u958b\u59cb\u642d\u8f09NFC\u6280\u8853\uff0c\u4e14\u8a72\u6280\u8853\u5728\u667a\u80fd\u624b\u6a5f\u4e2d\u7684\u914d\u552e\u7387\u5df2\u8d85\u904e\u4e86 50%\u3002 \u5728\u904e\u53bb 3 \u5e74\u4e2d\uff0c\u65b0\u51a0\u75c5\u6bd2\u7684\u51fa\u73fe\u4f7f\u5f97\u4eba\u5011\u4e9f\u9700\u76e1\u91cf\u907f\u514d\u63a5\u89f8\u5be6\u9ad4\u73fe\u91d1\u548c\u4fe1\u7528\u5361\uff0c\u56e0\u6b64\u5f9e\u5ba2\u89c0\u4e0a\u52a0\u5feb\u4e86\u975e\u63a5\u89f8\u5f0f\u652f\u4ed8\uff08\u5305\u62ec NFC \u548c\u4e8c\u7dad\u78bc\u652f\u4ed8\uff09\u7684\u63a8\u5ee3\u901f\u5ea6\u3002 UWB \u53ef\u70ba\u652f\u4ed8\u884c\u696d\u5e36\u4f86\u9769\u547d\u6027\u7684\u8b8a\u5316\uff1a\u6d88\u8cbb\u8005\u7121\u9700\u53d6\u51fa\u4fe1\u7528\u5361\u3001\u9470\u5319\u6216\u662f\u624b\u6a5f\u5373\u53ef\u652f\u4ed8\u8cfc\u8ca8\u8cbb\u7528\u6216\u662f\u89e3\u9396\u8eca\u9580;\u9019\u4e00\u8b8a\u5316\u5c07\u9032\u4e00\u6b65\u63a8\u52d5\u975e\u63a5\u89f8\u5f0f\u652f\u4ed8\u7684\u767c\u5c55;\u6191\u85c9\u91d0\u7c73\u7d1a\u7684\u7cbe\u5ea6\uff0cUWB \u53ef\u78ba\u4fdd\u60a8\u50c5\u6703\u70ba\u81ea\u5df1\u9078\u8cfc\u7684\u8ca8\u7269\u652f\u4ed8\u8cbb\u7528\uff0c\u800c\u4e0d\u6703\u70ba\u65c1\u908a\u7d50\u5e33\u901a\u9053\u5167\u7684\u8ca8\u7269\u57cb\u55ae\u3002<\/p>\n\n\n\n<p><strong>Bluetooth\u00ae <\/strong><strong>\u548c<\/strong><strong> UWB<\/strong><\/p>\n\n\n\n<p>\u5118\u7ba1UWB\u80fd\u5920\u70ba\u95dc\u9375\u4efb\u52d9\u61c9\u7528\u5e36\u4f86\u7121\u8207\u502b\u6bd4\u7684\u7cbe\u5ea6\u548c\u5b89\u5168\u6027\uff0c\u4f46\u5c0d\u65bc\u4e00\u4e9b\u57fa\u65bc\u4f4d\u7f6e\u7684\u670d\u52d9\u800c\u8a00\uff0cBluetooth\u00ae\u4ecd\u4e0d\u5931\u70ba\u4e00\u7a2e\u5be6\u7528\u7684\u9078\u64c7\u3002 \u696d\u5167\u6b63\u5728\u70ba Bluetooth\u00ae SIG \u958b\u767c\u65b0\u7684\u61c9\u7528\u65b9\u6cd5\uff08\u4f8b\u5982\u5148\u524d\u66fe\u88ab\u7a31\u70ba\u9ad8\u7cbe\u5ea6\u8ddd\u96e2\u6e2c\u91cf \uff08HADM\uff09 \u7684\u901a\u9053\u63a2\u6e2c \uff08CHANNEL SOUNDING\uff09\uff09\uff0c\u4ee5\u63d0\u9ad8\u8ddd\u96e2\u6e2c\u91cf\u7684\u7cbe\u5ea6\u548c\u5b89\u5168\u6027\u3002 \u61c9\u7528 CHANNEL SOUNDING \u65b9\u6cd5\u6642\uff0c\u4f7f\u7528\u8005\u53ef\u5229\u7528\u5169\u500b\u6216\u66f4\u591a\u983b\u7387\u7684 Bluetooth\u00ae \u4fe1\u865f\uff0c\u6839\u64da\u6240\u89c0\u5bdf\u5230\u7684\u4fe1\u865f\u7684\u76f8\u5c0d\u76f8\u4f4d\u5dee\u4f86\u8a08\u7b97\u5169\u53f0 Bluetooth\u00ae \u8a2d\u5099\u4e4b\u9593\u7684\u8ddd\u96e2\u3002 \u8207\u5148\u524d\u7528\u65bc Bluetooth\u00ae \u8ddd\u96e2\u6e2c\u91cf\u7684\u63a5\u6536\u4fe1\u865f\u5f37\u5ea6\u6307\u793a\u5668 \uff08RSSI\uff09 \u65b9\u6cd5\uff08\u8a72\u65b9\u6cd5\u9700\u4f9d\u9760\u63a5\u6536\u4fe1\u865f\u7684\u76f8\u5c0d\u529f\u7387\u6c34\u6e96\uff09\u4e0d\u540c\uff0cCHANNEL SOUNDING \u65b9\u6cd5\u5c0d\u4e2d\u7e7c\u653b\u64ca\u7684\u654f\u611f\u6027\u8f03\u4f4e\uff0c\u4e26\u4e14\u53ef\u4ee5\u5be6\u73fe\u66f4\u70ba\u51fa\u8272\u7684\u7c73\u7d1a\u7cbe\u5ea6\u3002 \u5118\u7ba1\u6b64\u7a2e\u7cbe\u5ea6\u4e4b\u524d\u5df2\u80fd\u5920\u901a\u904e\u591a\u500b\u5929\u7dda\u9032\u884c\u4e09\u89d2\u6e2c\u91cf\u4f86\u5be6\u73fe\uff0c\u4f46\u662f CHANNEL SOUNDING \u65b9\u6cd5\u7684\u55ae\u5929\u7dda\u5be6\u73fe\u65b9\u5f0f\u80fd\u5920\u5728\u6b64\u57fa\u790e\u4e0a\u6709\u6548\u964d\u4f4e\u786c\u9ad4\u6210\u672c\u3002 \u6b64\u5916\uff0c\u4f7f\u7528\u8005\u9084\u53ef\u4ee5\u5728 Bluetooth\u00ae \u901a\u9053\u63a2\u6e2c\u904e\u7a0b\u4e2d\u4f7f\u7528\u4e00\u500b\u540d\u70ba\u6a19\u6e96\u5316\u653b\u64ca\u6aa2\u6e2c\u5668 \uff08NAD\uff09 \u7684\u6307\u6a19\u4f86\u8b58\u5225\u548c\u91cf\u5316\u5c04\u983b\u74b0\u5883\u4e2d\u7684\u7a81\u8b8a\u72c0\u6cc1\u3002 \u4f7f\u7528\u8005\u53ef\u5c07\u63a5\u6536\u5230\u7684\u6578\u64da\u5305\u8207\u9810\u671f\u7684\u6578\u64da\u5305\u4fe1\u865f\u9032\u884c\u6bd4\u8f03\uff0c\u4e26\u5c07\u7531\u6b64\u8a08\u7b97\u5f97\u51fa\u7684 NAD \u5ea6\u91cf\u503c\u8996\u70ba\u5b58\u5728\u653b\u64ca\u8005\u7684\u6982\u7387\u3002 \u5047\u8a2d CHANNEL SOUNDING \u5728\u667a\u80fd\u624b\u6a5f\u4e2d\u7684\u914d\u552e\u7387\u70ba 100%\uff0c\u7576\u6700\u7d42\u78ba\u5b9a\u63a1\u7528 CHANNEL SOUNDING \u65b9\u6cd5\u6642\uff0c\u8a72\u65b9\u6cd5\u53ef\u80fd\u6703\u555f\u7528\u5927\u91cf\u9700\u8981\u5728\u6578\u7c73\u5167\u9032\u884c\u8ddd\u96e2\u6e2c\u91cf\u7684\u5373\u6642\u5b9a\u4f4d\u670d\u52d9 \uff08RTLS\uff09\uff0c\u4f8b\u5982\u5ba4\u5167\u5c0e\u822a\u3001\u8cc7\u7522\u8207\u4eba\u54e1\u8ddf\u8e64\u7b49\u3002 \u7136\u800c\u5728\u7cbe\u5ea6\u548c\u5b89\u5168\u6027\u8981\u6c42\u66f4\u9ad8\u7684\u95dc\u9375\u4efb\u52d9\u61c9\u7528\uff08\u4f8b\u5982\u975e\u63a5\u89f8\u5f0f\u652f\u4ed8\u3001\u7121\u9470\u5319\u6c7d\u8eca\u9032\u5165\u548c\u6578\u4f4d\u9152\u5e97\u623f\u9593\u9470\u5319\uff09\u9818\u57df\uff0cUWB \u53ef\u80fd\u6703\u7e7c\u7e8c\u4f54\u64da\u4e3b\u5c0e\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\"  \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>UWB <\/strong><strong>\u9762\u81e8\u7684\u6311\u6230<\/strong><\/p>\n\n\n\n<p>UWB 500 MHz \u53ca\u4ee5\u4e0a\u7684\u983b\u5bec\u80fd\u5920\u53cd\u5411\u751f\u6210\u7368\u6709\u7684\u7d0d\u79d2\u7d1a\u8108\u885d\uff0c\u5f9e\u800c\u80fd\u5920\u5be6\u73fe\u524d\u6240\u672a\u6709\u7684\u8ddd\u96e2\u6e2c\u91cf\u7cbe\u5ea6\u3002 \u7136\u800c\uff0c\u9019\u6a23\u7684\u5bec\u983b\u5bec\u5ea6\u4e5f\u63d0\u5347\u4e86\u8a2d\u8a08\u7684\u8907\u96dc\u6027\u4ee5\u53ca\u8a2d\u5099\u529f\u8017\u3002 \u6b64\u5916\uff0c\u4e0d\u540c\u65bc\u5728\u514d\u8a31\u53ef\u7684 2.4 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