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\u7a7a\u95f4\u611f\u77e5\u5df2\u7ecf\u6210\u4e3a\u7535\u5b50\u4ea7\u54c1\u9700\u8981\u57f9\u517b\u7684\u65b0\u6280\u80fd\u3002\u6709\u4e86\u5b83\uff0c\u6211\u4eec\u4e0d\u4ec5\u53ef\u4ee5\u77e5\u9053\u88ab\u6d4b\u7269\u4f53\u662f\u5426\u5b58\u5728\uff0c\u6709\u65f6\u8fd8\u53ef\u4ee5\u77e5\u9053Ta\u662f\u8c01\uff0c\u4ee5\u53caTa\u7684\u8ddd\u79bb\u3001\u4f4d\u7f6e\u751a\u81f3\u8f68\u8ff9\u3002\u4eba\u4eec\u5bf9\u53ef\u80fd\u7531\u6b64\u884d\u751f\u7684\u65b0\u5e94\u7528\u5145\u6ee1\u671f\u5f85\u3002 <\/p>\n
\u4f46\u662f\uff0c\u73b0\u5728\u6709\u4e00\u4e2a\u66f4\u73b0\u5b9e\u7684\u9700\u6c42\uff0c\u90a3\u5c31\u662f\u5728\u65b0\u51a0\u80ba\u708e\u75ab\u60c5\u8fd8\u5728\u8086\u8650\u7684\u65f6\u5019\uff0c\u5982\u4f55\u5229\u7528\u7a7a\u95f4\u611f\u77e5\u6280\u672f\u5e2e\u52a9\u4eba\u4eec\u786e\u8ba4\u548c\u4fdd\u6301\u793e\u4ea4\u8ddd\u79bb\u3002\u8fd9\u4e2a\u8981\u6c42\u5f88\u5bb9\u6613\u7406\u89e3\uff0c\u5c31\u662f\u5f53\u4e24\u4e2a\u4eba\u4e4b\u95f4\u7684\u8ddd\u79bb\u5c0f\u4e8e\u6307\u5b9a\u7684\u9608\u503c(\u4f8b\u59822m)\u65f6\uff0c\u68c0\u6d4b\u8bbe\u5907\u4f1a\u81ea\u52a8\u53d1\u51fa\u8b66\u544a\uff0c\u8ba9\u7528\u6237\u8fdc\u79bb\u5bf9\u65b9\u3002 <\/p>\n
\u5982\u679c\u66f4\u8be6\u7ec6\u5730\u63cf\u8ff0\u4e86\u8fd9\u6837\u7684\u8bbe\u8ba1\u8981\u6c42\uff0c\u76f8\u5173\u8981\u70b9\u5e94\u5305\u62ec\u4ee5\u4e0b\u5185\u5bb9\uff1a <\/p>\n
\u5177\u6709\u8db3\u591f\u7684\u6d4b\u91cf\u7cbe\u5ea6\u3001\u89c6\u91ce\u548c\u8303\u56f4\uff0c\u5e76\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u8bef\u62a5\u7684\u53d1\u751f\u3002 <\/p>\n
\u529f\u8017\u5e94\u8db3\u591f\u5c0f\uff0c\u4ee5\u6ee1\u8db3\u8bbe\u5907\u957f\u671f\u4f7f\u7528\u7684\u9700\u8981\u3002 <\/p>\n
\u5c0f\u578b\u5316\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4f69\u6234\u6027\u7684\u8981\u6c42\uff0c\u4e5f\u53ef\u4ee5\u96c6\u6210\u5728\u4e00\u4e2a\u6807\u7b7e\u4e2d\uff0c\u65b9\u4fbf\u643a\u5e26\uff0c\u6700\u5927\u9650\u5ea6\u51cf\u5c11\u7528\u6237\u7684\u5f02\u7269\u611f\u3002 <\/p>\n
\u63a5\u5165\u65b9\u4fbf\uff0c\u6210\u672c\u4f4e\uff0c\u4e0d\u4ec5\u5305\u62ec\u8bbe\u5907(\u5982\u6807\u7b7e)\u672c\u8eab\u7684\u6210\u672c\uff0c\u8fd8\u5305\u62ec\u914d\u5957\u57fa\u7840\u8bbe\u65bd\u7684\u6210\u672c\u4ee5\u53ca\u540e\u7eed\u7684\u8fd0\u7ef4\u6210\u672c\u3002 <\/p>\n
\u9664\u4e86\u7b80\u5355\u7684\u8ddd\u79bb\u6d4b\u91cf\u5916\uff0c\u53ef\u80fd\u8fd8\u9700\u8981\u5177\u5907\u83b7\u53d6\u5176\u4ed6\u76f8\u5173\u4fe1\u606f\u7684\u80fd\u529b\uff0c\u6216\u8005\u5bf9\u88ab\u6d4b\u5bf9\u8c61\u8fdb\u884c\u6301\u7eed\u8ddf\u8e2a\uff0c\u4ee5\u6536\u96c6\u8db3\u591f\u7684\u6570\u636e\uff0c\u5bf9\u5176\u884c\u4e3a\u8fdb\u884c\u51c6\u786e\u5206\u6790\u3002 <\/p>\n
\u73b0\u5728\u9700\u6c42\u5df2\u7ecf\u653e\u5728\u90a3\u91cc\uff0c\u56f4\u7ed5\u201c\u793e\u4ea4\u8ddd\u79bb\u68c0\u6d4b\u201d\u547d\u9898\u7684\u5404\u79cd\u6280\u672f\u4e5f\u662f\u516b\u4ed9\uff0c\u4ed6\u4eec\u5c55\u793a\u4e86\u81ea\u5df1\u7684\u795e\u5947\u529b\u91cf\uff0c\u7ed9\u51fa\u4e86\u4e0d\u540c\u7684\u89e3\u51b3\u65b9\u6848\u3002\u76ee\u524d\u5b9e\u73b0\u4e0a\u8ff0\u8bbe\u8ba1\u601d\u8def\u7684\u6280\u672f\u8def\u5f84\u6709\u54ea\u4e9b\uff1f\u4eca\u5929\u6211\u4eec\u6765\u76d8\u70b9\u4e00\u4e0b\u3002 <\/p>\n
BLE\u4f4e\u529f\u8017\u84dd\u7259 <\/p>\n
\u5982\u679c\u8981\u6d4b\u91cf\u793e\u4ea4\u8ddd\u79bb\uff0c\u9996\u5148\u60f3\u5230\u7684\u6280\u672f\u65b9\u6848\u53ef\u80fd\u662f\u4f4e\u529f\u8017\u7684BLE\u84dd\u7259\u3002\u5176\u4e2d\u4e00\u4e2a\u4e3b\u8981\u539f\u56e0\u662fBLE\u6280\u672f\u7684\u666e\u53ca\u7a0b\u5ea6\u975e\u5e38\u9ad8\u3002\u6839\u636eBIG\u7684\u9884\u6d4b\uff0c\u9884\u8ba1\u52302021\u5e74\u5c06\u6709130\u4ebf\u4e2a\u652f\u6301\u84dd\u7259\u7684\u7269\u8054\u7f51\u8bbe\u5907\u6295\u5165\u4f7f\u7528\u3002\u8fd9\u4f7f\u5f97BLE\u8ba1\u5212\u975e\u5e38\u4fbf\u4e8e\u5b9e\u65bd\u3002\u518d\u52a0\u4e0aBLE\u56fa\u6709\u7684\u4f4e\u529f\u8017\u548c\u5b89\u5168\u7279\u6027\uff0c\u63a5\u8fd1\u68c0\u6d4b\u975e\u5e38\u9002\u5408\u3002 <\/p>\n
BLE\u901a\u8fc7\u63a5\u6536\u4fe1\u53f7\u5f3a\u5ea6\u6307\u793a\u5668(\u7b80\u79f0RSSI)\u7684\u65b9\u6cd5\u6d4b\u91cf\u8ddd\u79bb\uff0c\u5373\u6839\u636e\u4e24\u4e2a\u8bbe\u5907(\u6216\u7528\u6237)\u7684\u901a\u4fe1\u4fe1\u53f7\u5f3a\u5ea6\u4e0e\u8ddd\u79bb\u7684\u5173\u7cfb\u8ba1\u7b97\u8ddd\u79bb\u3002\u5f53\u4e24\u4e2a\u8bbe\u5907(\u6216\u7528\u6237)\u4e4b\u95f4\u7684\u8ddd\u79bb\u4f4e\u4e8e\u67d0\u4e2a\u8bbe\u5b9a\u503c\u65f6\uff0c\u4f1a\u89e6\u53d1\u540e\u7eed\u52a8\u4f5c(\u5982\u62a5\u8b66)\u3002\u8fd9\u6837\u7684BLE\u5e94\u7528\u6709\u5f88\u591a\uff0c\u5c06\u5176\u79fb\u690d\u5230\u793e\u4ea4\u8ddd\u79bb\u68c0\u6d4b\u7684\u65b0\u573a\u666f\u4e2d\u5e76\u4e0d\u96be\u3002 <\/p>\n
\u7136\u800c\uff0c\u539f\u5219\u4e0a\uff0c\u4f20\u7edfRSSI\u7684\u6d4b\u91cf\u7cbe\u5ea6\u662f\u6709\u9650\u7684\uff0c\u901a\u5e38\u57283-10\u7c73\u7684\u8303\u56f4\u5185\uff0c\u8fd9\u5bf9\u4e8e\u4e00\u4e9b\u8981\u6c42\u66f4\u9ad8\u7cbe\u5ea6\u7684\u68c0\u6d4b\u4efb\u52a1\u6765\u8bf4\u53ef\u80fd\u96be\u4ee5\u5b9e\u73b0\u3002\u6b64\u5916\uff0cBLE\u4f7f\u7528\u76842.4GHz\u9891\u6bb5\u975e\u5e38\u62e5\u6324\uff0c\u4fe1\u53f7\u95f4\u5e72\u6270\u4e5f\u662f\u4e00\u4e2a\u6f5c\u5728\u7684\u95ee\u9898\uff0c\u8fd9\u662fBLE\u65b9\u6848\u7684\u7f3a\u70b9\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5728\u84dd\u72595.1\u89c4\u8303\u4e2d\uff0c\u589e\u52a0\u4e86\u6d4b\u5411\u529f\u80fd\uff0c\u8fd9\u5c06\u4f7fble\u83b7\u5f97\u66f4\u7cbe\u51c6\u7684\u5b9a\u4f4d\u80fd\u529b\uff0c\u672a\u6765\u4e0e\u540c\u9886\u57df\u5176\u4ed6\u6280\u672f\u76f8\u6bd4\u4ecd\u6709\u4e00\u5b9a\u7684\u52aa\u529b\u3002 <\/p>\n
\u8d85\u5bbd\u5e26 <\/p>\n
\u8003\u8651\u5230BLE\u7b49\u4f20\u7edf\u65e0\u7ebf\u6280\u672f\u65e0\u6cd5\u6ee1\u8db3\u66f4\u9ad8\u6d4b\u91cf\u7cbe\u5ea6\u7684\u8981\u6c42\uff0c\u8d85\u5bbd\u5e26\u4f5c\u4e3a\u4e00\u79cd\u65b0\u7684\u7a7a\u95f4\u611f\u77e5\u6280\u672f\uff0c\u8fd1\u5e74\u6765\u53d1\u5c55\u8fc5\u901f\u3002 <\/p>\n
\u57fa\u4e8e\u8d85\u5bbd\u5e26802.15.4a\/z\u6807\u51c6\uff0c\u5229\u75282ns\u8109\u51b2\u4fe1\u53f7\uff0c\u901a\u8fc7\u98de\u884c\u65f6\u95f4(ToF)\u548c\u5230\u8fbe\u89d2(AoA)\u8ba1\u7b97\u8ddd\u79bb\u548c\u4f4d\u7f6e\uff0c\u6d4b\u91cf\u7cbe\u5ea6\u53ef\u8fbe10cm\u4ee5\u5185\u3002\u6b64\u5916\uff0c\u4e0e\u90a3\u4e9b\u5de5\u4f5c\u57282.4\u5343\u5146\u8d6b\u9891\u8c31\u7684\u7a84\u5e26\u65e0\u7ebf\u65b9\u6848\u4e0d\u540c\uff0c\u8d85\u5bbd\u5e26\u662f\u4e00\u79cd\u5de5\u4f5c\u57286-8\u5343\u5146\u8d6b\u9891\u8c31\u3001\u5e26\u5bbd\u4e3a500\u5146\u8d6b\u7684\u65b9\u6848\uff0c\u56e0\u6b64\u5b83\u5177\u6709\u56fa\u6709\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5373\u4f7f\u5728\u5177\u6709\u6311\u6218\u6027\u7684\u5c04\u9891\u73af\u5883\u4e2d\u4e5f\u80fd\u63d0\u4f9b\u975e\u5e38\u7a33\u5b9a\u7684\u8fde\u63a5\u3002\u800c\u4e14\uff0c\u5728802.15.4z\u6807\u51c6\u4e2d\uff0cUWB\u5728\u4fe1\u53f7\u7684PHY\u5305\u4e2d\u52a0\u5165\u4e86\u52a0\u5bc6\u3001\u968f\u673a\u6570\u7b49\u4fdd\u62a4\u673a\u5236\uff0c\u5728\u5b89\u5168\u6027\u4e0a\u4e5f\u6709\u8f83\u4e3a\u7a81\u51fa\u7684\u4f18\u52bf\u3002\u5f53\u8fd9\u4e9b\u7279\u5f81\u52a0\u5728\u4e00\u8d77\uff0cUWB\u51e0\u4e4e\u6210\u4e3a\u4e00\u4e2a\u201c\u5b8c\u7f8e\u201d\u7684\u7cbe\u786e\u548c\u5b89\u5168\u7684\u6d4b\u8ddd\u89e3\u51b3\u65b9\u6848\u3002 <\/p>\n
\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u76ee\u524d\u5728\u5f88\u591aUWB\u7a7a\u95f4\u611f\u77e5\u89e3\u51b3\u65b9\u6848\u4e2d\uff0c\u8003\u8651\u5230\u4f5c\u7528\u8ddd\u79bb\u548c\u529f\u8017\u7684\u8981\u6c42\uff0c\u7ecf\u5e38\u4e0eBLE 3354\u7ed3\u5408\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5728\u793e\u4ea4\u8ddd\u79bb\u68c0\u6d4b\u4e2d\uff0cBLE\u901a\u5e38\u5904\u4e8e\u5f00\u542f\u72b6\u6001\uff0c\u626b\u63cf\u5e76\u68c0\u6d4b\u90bb\u8fd1\u533a\u57df\uff0c\u7136\u540e\u5728\u53d1\u73b0\u76ee\u6807\u7269\u4f53\u65f6\u6fc0\u6d3b\u8d85\u5bbd\u5e26\u8fdb\u884c\u7cbe\u786e\u6d4b\u8ddd\u548c\u5b9a\u4f4d\u3002 <\/p>\n
\u5728\u5e02\u573a\u4e0a\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u83b7\u5f97\u8fd9\u79cd\u5305\u542bUWB\u7684\u5546\u4e1a\u89e3\u51b3\u65b9\u6848\u3002\u8003\u8651\u5230\u76ee\u524d\u624b\u673a\u5185\u7f6eUWB\u529f\u80fd\u5df2\u7ecf\u6210\u4e3a\u4e00\u79cd\u8d8b\u52bf\uff0c\u672a\u6765\u7528\u6237\u548c\u5e02\u573a\u5bf9\u57fa\u4e8eUWB\u7684\u89e3\u51b3\u65b9\u6848\u7684\u63a5\u53d7\u5ea6\u5c06\u4e0d\u65ad\u63d0\u9ad8\uff0c\u83b7\u5f97\u548c\u4f7f\u7528\u89e3\u51b3\u65b9\u6848\u7684\u95e8\u69db\u5c06\u8fdb\u4e00\u6b65\u964d\u4f4e\u3002 <\/p>\n
\u8d85\u58f0\u6ce2\u7684 <\/p>\n
\u5176\u5b9e\u5728\u8ddd\u79bb\u6d4b\u91cf\u8fd9\u4ef6\u4e8b\u4e0a\uff0c\u4e0a\u9762\u63d0\u5230\u7684\u8fd9\u4e9b\u65e0\u7ebf\u89e3\u51b3\u65b9\u6848\u53ea\u80fd\u7b97\u662f\u540e\u6765\u8005\uff0c\u8d85\u58f0\u6ce2\u6280\u672f\u624d\u662f\u8fd9\u4e2a\u9886\u57df\u5f53\u4e4b\u65e0\u6127\u7684\u201c\u8001\u53f8\u673a\u201d\u3002\u4f46\u5177\u4f53\u5230\u793e\u4ea4\u8ddd\u79bb\u68c0\u6d4b\u7684\u5e94\u7528\uff0c\u4f20\u7edf\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u867d\u7136\u7cbe\u5ea6\u9ad8(\u53ef\u8fbe\u5398\u7c73\u7ea7)\uff0c\u4f46\u4f53\u79ef\u5927\uff0c\u53ea\u6709180\u89c6\u573a\uff0c\u5728\u529f\u8017\u65b9\u9762\u7684\u8868\u73b0\u5e76\u4e0d\u7a81\u51fa\u3002\u5982\u679c\u4f60\u60f3\u5728\u7a7a\u95f4\u611f\u77e5\u7684\u65b0\u9886\u57df\u83b7\u5f97\u4e00\u5e2d\u4e4b\u5730\uff0c\u4f60\u5fc5\u987b\u521b\u65b0\u3002 <\/p>\n
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