{"id":99136,"date":"2024-11-13T16:05:37","date_gmt":"2024-11-13T08:05:37","guid":{"rendered":"\/\/www.viralrail.com\/?p=99136"},"modified":"2024-11-13T16:05:40","modified_gmt":"2024-11-13T08:05:40","slug":"szwxyjs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99136.html","title":{"rendered":"Sub-1GHz\u7ec4\u7f51\u534f\u8bae\u4ecb\u7ecd"},"content":{"rendered":"\n
\u3000\u3000Sub-1GHz(\u4f4e\u4e8e1GHz)\u7ec4\u7f51\u534f\u8bae<\/strong>\u5728\u7269\u8054\u7f51(IoT)\u5e94\u7528\u4e2d\u5177\u6709\u663e\u8457\u4f18\u52bf\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u5f3a\u6297\u5e72\u6270\u80fd\u529b\u7684\u573a\u666f\u4e2d\u3002Sub-1GHz\u9891\u6bb5\u901a\u5e38\u5305\u62ec315 MHz\u3001433 MHz\u3001868 MHz\u548c915 MHz\u7b49\u9891\u7387\uff0c\u8fd9\u4e9b\u9891\u6bb5\u5728\u5168\u7403\u4e0d\u540c\u5730\u533a\u6709\u4e0d\u540c\u7684\u4f7f\u7528\u89c4\u5b9a\u3002<\/p>\n\n\n\n \u3000\u3000Sub-1GHz\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u57ce\u5e02\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\uff0c\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u5982Thread\u3001Zigbee\u3001BLE5.3\u3001IEEE 802.15.4g\u30016LoWPAN\u3001MIOTY\u3001Wireless M-Bus\u3001Wi-SUN\u3001KNX RF\u3001Amazon Sidewalk\u7b49\u3002\u8fd9\u4e9b\u534f\u8bae\u4f7f\u5f97Sub-1GHz\u80fd\u591f\u7075\u6d3b\u5730\u6ee1\u8db3\u5404\u79cd\u5e94\u7528\u9700\u6c42\uff0c\u5305\u62ec\u4f4e\u529f\u8017Mesh\u7f51\u7edc\u3001\u4f20\u611f\u5668\u7f51\u7edc\u4ee5\u53ca\u5927\u89c4\u6a21\u8bbe\u5907\u8fde\u63a5\u3002<\/p>\n\n\n\n \u3000\u3000Sub-1GHz\u9891\u6bb5\u7684\u4e3b\u8981\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n\n\n\n \u3000\u3000\u6b64\u5916\uff0cSub-1GHz\u8fd8\u652f\u6301\u4e13\u6709\u65e0\u7ebf\u534f\u8bae\uff0c\u8fd9\u79cd\u534f\u8bae\u53ef\u4ee5\u6839\u636e\u7279\u5b9a\u5e94\u7528\u9700\u6c42\u8fdb\u884c\u4f18\u5316\uff0c\u5b9e\u73b0\u8d85\u4f4e\u529f\u8017\u548c\u8d85\u8fdc\u8ddd\u79bb\u8fde\u63a5\u3002\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cSub-1GHz\u6ca1\u6709\u7edf\u4e00\u7684\u5168\u7403\u534f\u8bae\u6808\uff0c\u5982\u679c\u9700\u8981\u7ec4\u7f51\uff0c\u5219\u53ef\u80fd\u9700\u8981\u5f00\u53d1\u4e00\u5957\u81ea\u5df1\u7684\u7ec4\u7f51\u534f\u8bae\uff0c\u8fd9\u53ef\u80fd\u4f1a\u589e\u52a0\u5f00\u53d1\u96be\u5ea6\u548c\u6210\u672c\u3002<\/p>\n\n\n\n \u3000\u3000Sub-1GHz<\/strong>\u7ec4\u7f51\u534f\u8bae\u51ed\u501f\u5176\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u5f3a\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5728\u7269\u8054\u7f51\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\uff0c\u5e76\u4e14\u652f\u6301\u591a\u79cd\u6210\u719f\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u4f7f\u5176\u6210\u4e3a\u6784\u5efa\u5927\u89c4\u6a21\u65e0\u7ebf\u7f51\u7edc\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n\n\n\n \u3000\u3000Sub-1GHz\u7ec4\u7f51\u534f\u8bae\u5728\u5168\u7403\u4e0d\u540c\u5730\u533a\u7684\u4f7f\u7528\u89c4\u5b9a\u548c\u9891\u7387\u5206\u914d\u60c5\u51b5\u5982\u4e0b\uff1a<\/p>\n\n\n\n \u3000\u3000\u5168\u7403\u8303\u56f4\u5185\uff0c433 MHz\u9891\u6bb5\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4e14\u901a\u5e38\u4e3a\u514d\u8d39\u9891\u6bb5\u3002<\/p>\n\n\n\n \u3000\u3000\u5317\u7f8e\u548c\u6fb3\u5927\u5229\u4e9a\u4f7f\u7528915 MHz\u9891\u6bb5\uff0c\u800c\u6b27\u6d32\u4f7f\u7528868 MHz\u9891\u6bb5\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u5317\u7f8e\uff0cSub-1GHz\u9891\u6bb5\u5305\u62ec315 MHz\u3001433 MHz\u548c915 MHz\u3002<\/p>\n\n\n\n \u3000\u3000\u6b27\u6d32\u4e3b\u8981\u4f7f\u7528868 MHz\u9891\u6bb5\uff0c\u4f46\u4e5f\u6709\u90e8\u5206\u56fd\u5bb6\u4f7f\u7528433 MHz\u9891\u6bb5\u3002<\/p>\n\n\n\n \u3000\u3000\u5370\u5ea6\u5219\u4f7f\u7528433 MHz\u548c865-867 MHz\u9891\u6bb5\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u65e5\u672c\uff0cSub-1GHz\u9891\u6bb5\u4e3a916.5-927.5 MHz\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u4e2d\u56fd\u3001\u97e9\u56fd\u548c\u65b0\u52a0\u5761\uff0c\u4e5f\u6709\u7279\u5b9a\u7684\u9891\u9053\u5212\u5206\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u79fb\u52a8\u901a\u4fe1\u9886\u57df\uff0c\u4f4e\u4e8e1GHz\u7684\u9891\u8c31\u5e26\u5bf9\u4e8e\u6269\u5927\u7f51\u7edc\u8986\u76d6\u3001\u786e\u4fdd\u670d\u52a1\u8fde\u7eed\u6027\u4ee5\u53ca\u63d0\u5347\u5ba4\u5185\u73af\u5883\u7684\u670d\u52a1\u8d28\u91cf\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n \u3000\u3000\u5168\u7403\u6709507\u5bb6\u8fd0\u8425\u5546\u5728169\u4e2a\u56fd\u5bb6\/\u5730\u533a\u6301\u6709\u8bb8\u53ef\u8bc1\uff0c\u5141\u8bb8\u4f7f\u7528\u4f4e\u4e8e1GHz\u7684\u9891\u8c31\u542f\u52a8LTE\u62165G\u670d\u52a1\u3002<\/p>\n\n\n\n \u3000\u3000Sub-1GHz\u9891\u6bb5\u8fd8\u5305\u62ec769\u2013935 MHz\u3001315 MHz\u7b49\u3002<\/p>\n\n\n\n \u3000\u3000\u8fd9\u4e9b\u9891\u6bb5\u901a\u5e38\u7528\u4e8e\u5de5\u4e1a\u3001\u79d1\u5b66\u548c\u533b\u5b66\u5e94\u7528\uff0c\u5e76\u4e14\u5728\u5168\u7403\u8303\u56f4\u5185\u514d\u8d39\u63d0\u4f9b\u3002<\/p>\n\n\n\n \u3000\u3000\u5728Sub-1GHz\u9891\u6bb5\u4e0a\u5b9e\u73b0\u4f4e\u529f\u8017Mesh\u7f51\u7edc\u7684\u5177\u4f53\u6280\u672f\u548c\u65b9\u6cd5\u6d89\u53ca\u591a\u4e2a\u65b9\u9762\uff0c\u5305\u62ec\u786c\u4ef6\u9009\u62e9\u3001\u7f51\u7edc\u62d3\u6251\u8bbe\u8ba1\u3001\u534f\u8bae\u6808\u5e94\u7528\u4ee5\u53ca\u529f\u8017\u7ba1\u7406\u7b49\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u5206\u6790\u548c\u89e3\u7b54\uff1a<\/p>\n\n\n\n \u3000\u3000\u5c04\u9891\u6536\u53d1\u5668<\/strong>\uff1a\u9009\u62e9\u9ad8\u6027\u80fd\u3001\u4f4e\u6210\u672c\u7684Sub-1GHz\u5c04\u9891\u6536\u53d1\u5668\u662f\u5173\u952e\u3002\u4f8b\u5982\uff0cBC3603\u662f\u4e00\u6b3e\u9002\u7528\u4e8e315MHz\u3001433MHz\u3001470MHz\u3001868MHz\u548c915MHz\u9891\u6bb5\u7684Sub-1GHz OOK\/GFSK\u5c04\u9891\u6536\u53d1\u5668\uff0c\u5176\u5728433MHz\u9891\u6bb5\u4e0b\u63a5\u6536\u6a21\u5f0f\u7535\u6d41\u6d88\u8017\u4ec5\u4e3a5.9mA\uff0c\u63d0\u4f9b+19dBm\u7684TX\u8f93\u51fa\u529f\u7387\uff0c\u5e76\u4e14\u5177\u6709\u4f4e\u566a\u58f0\u3001\u4f4eIF\u63a5\u6536\u5668\uff0c\u80fd\u591f\u57282kbps\u6570\u636e\u901f\u7387\u4e0b\u8fbe\u5230-120dBm\u7684\u7075\u654f\u5ea6\u3002<\/p>\n\n\n\n \u3000\u3000\u63a5\u6536\u6a21\u5757<\/strong>\uff1aBCM-2302-SP1\u662f\u4e00\u6b3e\u8d85\u4f4e\u529f\u8017\u3001\u9ad8\u6027\u80fd\u7684Sub-1GHz\u4f4eIF OOK\u63a5\u6536\u6a21\u5757\uff0c\u652f\u6301315MHz\u3001433.92MHz\u548c868.35MHz\u9891\u6bb5\u7684\u65e0\u7ebf\u5e94\u7528\uff0c\u5176\u5728\u6df1\u5ea6\u7761\u7720\u6a21\u5f0f\u4e0b\u7684\u5de5\u4f5c\u7535\u6d41\u4ec5\u4e3a0.5\u03bcA\uff0c\u5728\u63a5\u6536\u6a21\u5f0f\u4e0b\u7684\u5178\u578b\u503c\u4e3a3.2mA\u3002<\/p>\n\n\n\n \u3000\u3000Mesh\u7f51\u7edc\u62d3\u6251<\/strong>\uff1aMesh\u7f51\u7edc\u901a\u8fc7\u591a\u8df3\u4e92\u8fde\u548c\u7f51\u72b6\u81ea\u7ec4\u7f51\u62d3\u6251\u7279\u6027\uff0c\u80fd\u591f\u5b9e\u73b0\u4efb\u610f\u8282\u70b9\u95f4\u76f4\u63a5\u5efa\u7acb\u4fe1\u9053\uff0c\u5e76\u901a\u8fc7\u5b50\u8282\u70b9\u4e2d\u7ee7\u4fe1\u53f7\u6765\u6269\u5927\u8986\u76d6\u8303\u56f4\u3002\u8fd9\u79cd\u62d3\u6251\u7ed3\u6784\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u7f51\u7edc\u7684\u5065\u58ee\u6027\uff0c\u8fd8\u589e\u5f3a\u4e86\u7f51\u7edc\u7684\u7075\u6d3b\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u8fb9\u754c\u8def\u7531\u548c\u5168\u529f\u80fd\u8282\u70b9<\/strong>\uff1a\u5728Mesh\u7f51\u7edc\u4e2d\uff0c\u901a\u5e38\u81f3\u5c11\u6709\u4e00\u4e2a\u6839\u8282\u70b9\u548c\u8fb9\u754c\u8def\u7531\uff0c\u6839\u8282\u70b9\u8d1f\u8d23\u534f\u8c03\u6574\u4e2a\u7f51\u7edc\u7684\u7ba1\u7406\u4e8b\u52a1\uff0c\u800c\u8fb9\u754c\u8def\u7531\u5219\u4f7f\u7f51\u7edc\u4e0e\u5916\u7f51\u5efa\u7acbIPv6\u901a\u4fe1\u3002\u5168\u529f\u80fd\u8282\u70b9\u4f5c\u4e3a\u666e\u901a\u8282\u70b9\u548c\u4fe1\u53f7\u4e2d\u7ee7\u8282\u70b9\uff0c\u4f4e\u529f\u8017\u8282\u70b9\u5219\u7531\u7535\u6c60\u4f9b\u7535\uff0c\u901a\u5e38\u5904\u4e8e\u7761\u7720\u72b6\u6001\uff0c\u4ec5\u5728\u6709\u4e8b\u52a1\u53d1\u751f\u65f6\u5de5\u4f5c\u3002<\/p>\n\n\n\n \u3000\u30006LoWPAN\u534f\u8bae\u6808<\/strong>\uff1a6LoWPAN\u662f\u4e00\u79cd\u57fa\u4e8eIPv6\u534f\u8bae\u7684\u65e0\u7ebfMesh\u7f51\u7edc\u534f\u8bae\u6808\uff0c\u652f\u6301\u591a\u8df3\u4e92\u8fde\u548c\u7f51\u72b6\u81ea\u7ec4\u7f51\u62d3\u6251\u7279\u6027\u3002\u5b83\u80fd\u591f\u5b9e\u73b0\u4efb\u610f\u8282\u70b9\u95f4\u76f4\u63a5\u5efa\u7acb\u4fe1\u9053\uff0c\u5e76\u901a\u8fc7\u5b50\u8282\u70b9\u4e2d\u7ee7\u4fe1\u53f7\u6765\u6269\u5927\u8986\u76d6\u8303\u56f4\u3002\u6b64\u5916\uff0c6LoWPAN\u8fd8\u652f\u6301\u4f4e\u529f\u8017\u548c\u901a\u4fe1\u5b89\u5168\uff0c\u6240\u6709\u8282\u70b9\u95f4\u901a\u4fe1\u91c7\u7528AES-128\u52a0\u5bc6\u6280\u672f\u4fdd\u8bc1\u4fe1\u606f\u4f20\u8f93\u5b89\u5168\u3002<\/p>\n\n\n\n \u3000\u3000IEEE 802.15.4\u6280\u672f\u89c4\u8303<\/strong>\uff1a\u8be5\u6280\u672f\u89c4\u8303\u4e13\u6ce8\u4e8e\u5b9a\u4e49\u4e0e\u8bbe\u5907\u7684\u4f4e\u6210\u672c\u3001\u4f4e\u529f\u8017\u901a\u4fe1\u6280\u672f\u3002\u57fa\u4e8e\u6b64\u89c4\u8303\u7684\u7f51\u7edc\u8282\u70b9\u90fd\u80fd\u652f\u6301\u8d85\u4f4e\u529f\u8017\uff0c\u4e00\u8282\u7535\u6c60\u53ef\u7ef4\u6301\u8282\u70b9\u8fd0\u884c\u4e24\u5e74\u4ee5\u4e0a\u3002<\/p>\n\n\n\n \u3000\u3000\u52a8\u6001\u8def\u7531\u7ba1\u7406<\/strong>\uff1a\u52a8\u6001\u8def\u7531\u7ba1\u7406\u7279\u6027\u4f7fMesh\u7f51\u7edc\u80fd\u591f\u81ea\u4fee\u590d\u8282\u70b9\u53d8\u5316\uff0c\u4ece\u800c\u4fdd\u6301\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u8d85\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1a\u4f8b\u5982\uff0cST\u7684S2-LP\u6536\u53d1\u5668\u5728Sub-1GHz\u9891\u6bb5\u4e0a\u5177\u6709\u8d85\u4f4e\u7535\u6d41\u6d88\u8017(\u63a5\u6536\u56687 mA\uff0c\u53d1\u9001\u566810 mA @ +10 dBm)\uff0c\u5e76\u4e14\u652f\u6301\u6570\u767e\u516c\u91cc\u8fdc\u8ddd\u79bb\u8fde\u63a5\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u65e0\u7ebf\u5e94\u7528\u3002<\/p>\n\n\n\n \u3000\u3000\u94fe\u8def\u5c42\u529f\u80fd<\/strong>\uff1a\u989d\u5916\u7684\u94fe\u8def\u5c42\u529f\u80fd\u5982RSSI\u7528\u4e8e\u9891\u9053\u8bc4\u4f30\u3001\u81ea\u52a8\u786e\u8ba4\u548c\u81ea\u52a8\u91cd\u4f20\u3001WOT\u548cWOR\u7b49\uff0c\u6709\u52a9\u4e8e\u964d\u4f4e\u4e3b\u673aMCU\u7684\u8d1f\u8f7d\uff0c\u540c\u65f6\u4fdd\u6301\u65e0\u7ebf\u901a\u4fe1\u94fe\u63a5\u3002<\/p>\n\n\n\n \u3000\u3000\u5728Sub-1GHz\u9891\u6bb5\u4e0a\u5b9e\u73b0\u4f4e\u529f\u8017Mesh\u7f51\u7edc\u9700\u8981\u7efc\u5408\u8003\u8651\u786c\u4ef6\u9009\u62e9\u3001\u7f51\u7edc\u62d3\u6251\u8bbe\u8ba1\u3001\u534f\u8bae\u6808\u5e94\u7528\u4ee5\u53ca\u529f\u8017\u7ba1\u7406\u7b49\u591a\u4e2a\u65b9\u9762\u3002<\/p>\n\n\n\n \u3000\u3000Sub-1GHz\u9891\u6bb5\u652f\u6301\u7684\u4e13\u6709\u65e0\u7ebf\u534f\u8bae\u4e3b\u8981\u5305\u62ecST\u7684S2-LP\u3001CMT2300A\u3001CMT2380F29\u548cCMT2310A\u7b49\u3002\u8fd9\u4e9b\u534f\u8bae\u901a\u8fc7\u591a\u79cd\u6280\u672f\u624b\u6bb5\u4f18\u5316\u4ee5\u5b9e\u73b0\u8d85\u4f4e\u529f\u8017\u548c\u8d85\u8fdc\u8ddd\u79bb\u8fde\u63a5\u3002<\/p>\n\n\n\n \u3000\u3000ST\u63a8\u51fa\u7684S2-LP\u662f\u4e00\u6b3e\u4e13\u4e3a\u667a\u80fd\u8fde\u63a5\u8bbe\u5907\u8bbe\u8ba1\u7684\u8d85\u4f4e\u529f\u8017\u3001\u8d85\u8fdc\u8ddd\u79bbSub-1GHz\u65e0\u7ebf\u6536\u53d1\u5668\u3002\u5176\u4e3b\u8981\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n\n\n\n \u3000\u3000CMT2300A\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u591a\u529f\u80fd\u7684Sub-1GHz\u5c04\u9891\u6536\u53d1\u5668\uff0c\u5176\u4f18\u5316\u63aa\u65bd\u5305\u62ec\uff1a<\/p>\n\n\n\n \u3000\u3000CMT2380F29\u662f\u4e00\u6b3e\u57fa\u4e8eARM Cortex-M0\u5185\u6838\u7684\u8d85\u4f4e\u529f\u8017Sub-1GHz\u65e0\u7ebf\u6536\u53d1\u5668\uff0c\u5176\u4f18\u5316\u63aa\u65bd\u5305\u62ec\uff1a<\/p>\n\n\n\n \u3000\u3000CMT2310A\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684Sub-1GHz\u5c04\u9891\u6536\u53d1\u5668\uff0c\u5176\u4f18\u5316\u63aa\u65bd\u5305\u62ec\uff1a<\/p>\n\n\n\n \u3000\u3000\u8fd9\u4e9bSub-1GHz\u9891\u6bb5\u7684\u4e13\u6709\u65e0\u7ebf\u534f\u8bae\u901a\u8fc7\u7075\u6d3b\u9009\u62e9\u7269\u7406\u5c42\u7279\u6027(\u5982\u8f93\u51fa\u4f20\u8f93\u529f\u7387\u3001\u8c03\u5236\u65b9\u6848\u3001\u6570\u636e\u901f\u7387\u548c\u4fe1\u9053\u5e26\u5bbd)\uff0c\u5e76\u5f00\u53d1\u4e13\u6709\u534f\u8bae\uff0c\u5b9e\u73b0\u4e86\u8d85\u4f4e\u529f\u8017\u548c\u8d85\u8fdc\u8ddd\u79bb\u8fde\u63a5\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u6784\u5efa\u5927\u89c4\u6a21\u65e0\u7ebf\u7f51\u7edc\u65f6\uff0cSub-1GHz\u7ec4\u7f51\u534f\u8bae\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u548c\u89e3\u51b3\u65b9\u6848\u5982\u4e0b\uff1a<\/p>\n\n\n\n \u3000\u3000Sub-1 GHz\u9891\u6bb5\u7684\u53ef\u7528\u9891\u8c31\u975e\u5e38\u6709\u9650\uff0c\u8fd9\u5bfc\u81f4\u4e86\u9891\u8c31\u6548\u7387\u6210\u4e3a\u7cfb\u7edf\u8bbe\u8ba1\u4e2d\u7684\u4e3b\u8981\u5173\u6ce8\u70b9\u3002\u4f8b\u5982\uff0cIEEE 802.11ah\u6807\u51c6\u5728\u8bbe\u8ba1\u7269\u7406\u5c42\u65f6\u53c2\u8003\u4e86IEEE 802.11ac\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u541e\u5410\u91cf\u3002<\/p>\n\n\n\n \u3000\u3000\u5728Sub-1 GHz\u9891\u6bb5\u4e0a\u8fd0\u884c\u7684\u591a\u79cd\u6280\u672f(\u5982IEEE 802.15.4g\u548cIEEE 802.11ah)\u4e4b\u95f4\u5b58\u5728\u4e25\u91cd\u7684\u5e72\u6270\u95ee\u9898\u3002\u8fd9\u4e9b\u6280\u672f\u7531\u4e8e\u57fa\u672c\u534f\u8bae\u5dee\u5f02\u548c\u4fe1\u9053\u8bbf\u95ee\u53c2\u6570\u5dee\u5f02\uff0c\u5bfc\u81f4\u5171\u5b58\u65f6\u7684\u5e72\u6270\u95ee\u9898\u3002\u4f8b\u5982\uff0cIEEE 802.11ah\u7684\u80fd\u91cf\u68c0\u6d4b\u7a7a\u95f2\u4fe1\u9053\u8bc4\u4f30(ED-CCA)\u673a\u5236\u5728\u4f4e\u529f\u8017\u5468\u671f\u573a\u666f\u4e0b\u8868\u73b0\u4e0d\u4f73\uff0c\u5c24\u5176\u662f\u5728\u652f\u63011 MHz\u4fe1\u9053\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n\n\n\n \u3000\u3000\u8bb8\u591aSub-1 GHz LPWAN\u6280\u672f\u4ecd\u5904\u4e8e\u65e9\u671f\u53d1\u5c55\u9636\u6bb5\uff0c\u7f3a\u4e4f\u5bf9\u670d\u52a1\u8d28\u91cf\u3001\u6f2b\u6e38\u548c\u670d\u52a1\u7ba1\u7406\u7684\u4f18\u5316\u3002<\/p>\n\n\n\n \u3000\u3000\u968f\u7740\u7269\u8054\u7f51\u8bbe\u5907\u6570\u91cf\u7684\u589e\u52a0\uff0c\u4e0d\u540c\u6280\u672f\u4e4b\u95f4\u7684\u5171\u5b58\u53d8\u5f97\u8d8a\u6765\u8d8a\u590d\u6742\u3002\u4f8b\u5982\uff0cIEEE 802.15.4g\u548cIEEE 802.11ah\u5728S1G\u9891\u6bb5\u4e0a\u7684\u5171\u5b58\u9700\u8981\u89e3\u51b3\u4fe1\u9053\u8bbf\u95ee\u6548\u7387\u4f4e\u4e0b\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n \u3000\u3000TGah(Task Group ah)\u8bbe\u8ba1\u4e86\u65b0\u7684\u7269\u7406\u5c42\uff0c\u5e76\u5728MAC\u5c42\u8fdb\u884c\u4e86\u6539\u8fdb\uff0c\u4ee5\u589e\u52a0\u7cfb\u7edf\u541e\u5410\u91cf\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u65b0\u7cfb\u7edf\u5c06\u64cd\u4f5c\u5728\u5b8c\u5168\u4e0d\u540c\u7684\u9891\u6bb5\u4e0a\uff0c\u56e0\u6b64\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e9b\u65b0\u7684\u7d27\u51d1\u5e27\u683c\u5f0f\u6765\u51cf\u5c11\u534f\u8bae\u5f00\u9500\u3002<\/p>\n\n\n\n \u3000\u3000IEEE 802.19.3\u5de5\u4f5c\u7ec4\u88ab\u63d0\u8bae\u6210\u7acb\uff0c\u4ee5\u5236\u5b9a\u6807\u51c6\u5b9e\u73b0IEEE 802.15.4g\u548cIEEE 802.11ah\u5728Sub-1 GHz\u9891\u6bb5\u4e0a\u7684\u5171\u5b58\u3002\u63d0\u51fa\u4e86\u57fa\u4e8e\u4e3b\u52a8\u8f7d\u6ce2\u611f\u77e5\u7684CSMA\/CA\u673a\u5236\uff0c\u7528\u4e8e\u51cf\u5c11IEEE 802.11ah\u6d41\u91cf\u5e72\u6270\u4e0b\u7684CSMA\/CA\u5931\u8d25\u6570\u636e\u5305\u4e22\u5f03\uff0c\u5e76\u4fdd\u6301\u4e0e\u4f20\u7edfIEEE 802.15.4g CSMA\/CA\u673a\u5236\u7684\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u63d0\u51fa\u4e86\u4e00\u79cd\u81ea\u9002\u5e94\u9000\u907f\u7a0b\u5e8f\uff0c\u4ee5\u63d0\u9ad8IEEE 802.15.4\u8bbe\u5907\u4e0eIEEE 802.11\u8bbe\u5907\u5171\u5b58\u65f6\u7684\u5305\u4f20\u8f93\u7387\u3002<\/p>\n\n\n\n \u3000\u3000\u8fd9\u4e9b\u6280\u672f\u65e8\u5728\u89e3\u51b3IEEE 802.15.4g\u548cIEEE 802.11ah\u7f51\u7edc\u7684\u5171\u5b58\u95ee\u9898\uff0c\u5e76\u63d0\u51fa\u4e86\u4e00\u79cd\u521b\u65b0\u7684\u6df7\u5408CSMA\/CA\u673a\u5236\uff0c\u4ee5\u5e94\u5bf9IEEE 802.11ah\u8bbe\u5907\u5bf9\u4fe1\u9053\u8bbf\u95ee\u7684\u66f4\u79ef\u6781\u7ade\u4e89\u3002<\/p>\n\n\n\n \u3000\u3000\u7814\u7a76\u9700\u8981\u8fdb\u4e00\u6b65\u63a2\u7d22\u4f7f\u7528LPWAN\u82af\u7247\u6216\u4e13\u7528\u8bbe\u5907\u8fdb\u884c\u9891\u8c31\u611f\u77e5\u6280\u672f\u7684\u6709\u6548\u6027\uff0c\u4ee5\u8bc6\u522b\u5e72\u6270\u6c34\u5e73\u548c\u5e72\u6270\u6280\u672f\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u7f51\u7edc\u5185\u4f18\u5316\u3001\u8de8\u6280\u672f\u5171\u5b58\u4e0e\u5408\u4f5c\u4ee5\u53ca\u7ba1\u7406\u529f\u80fd\u7684\u865a\u62df\u5316\uff0c\u53ef\u4ee5\u63d0\u5347LPWAN\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n\n\n\n \u3000\u3000Sub-1GHz\u7ec4\u7f51\u534f\u8bae\u9762\u4e34\u7684\u4e3b\u8981\u6311\u6218\u5305\u62ec\u9891\u8c31\u7a00\u7f3a\u6027\u3001\u5e72\u6270\u95ee\u9898\u3001\u670d\u52a1\u8d28\u91cf\u7ba1\u7406\u548c\u8de8\u6280\u672f\u5171\u5b58\u4e0e\u5408\u4f5c\u3002<\/p>\n\n\n\n \u3000\u3000Sub-1GHz\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u5728\u7269\u8054\u7f51(IoT)\u5e94\u7528\u4e2d\u76f8\u8f83\u4e8e\u9ad8\u9891\u6bb5(\u59822.4GHz\u548c5GHz)\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\u548c\u5c40\u9650\u6027\u3002<\/p>\n\n\n\n \u3000\u3000Sub-1GHz\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u5177\u6709\u4f20\u8f93\u8303\u56f4\u5e7f\u3001\u7a7f\u900f\u80fd\u529b\u5f3a\u3001\u4f4e\u529f\u8017\u548c\u65e0\u9700\u8bb8\u53ef\u9891\u8c31\u7b49\u4f18\u52bf\uff0c\u4f46\u540c\u65f6\u4e5f\u5b58\u5728\u5e26\u5bbd\u6709\u9650\u548c\u6570\u636e\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\u7b49\u5c40\u9650\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" Sub-1GHz\u7ec4\u7f51\u534f\u8bae\u51ed\u501f\u5176\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u5f3a\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5728\u7269\u8054\u7f51\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\uff0c\u5e76\u4e14\u652f\u6301\u591a\u79cd\u6210\u719f\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u4f7f\u5176\u6210\u4e3a\u6784\u5efa\u5927\u89c4\u6a21\u65e0\u7ebf\u7f51\u7edc\u7684\u7406\u60f3\u9009\u62e9<\/p>\n","protected":false},"author":1,"featured_media":98952,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[347],"class_list":["post-99136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-sub1g"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99136"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=99136"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99136\/revisions"}],"predecessor-version":[{"id":99137,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99136\/revisions\/99137"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/98952"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=99136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=99136"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=99136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
\u3000\u3000\u4e00\u3001 Sub-1GHz\u7ec4\u7f51\u534f\u8bae\u5728\u5168\u7403\u4e0d\u540c\u5730\u533a\u7684\u4f7f\u7528\u89c4\u5b9a\u548c\u9891\u7387\u5206\u914d\u60c5\u51b5\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n
\u3000\u30001. \u5168\u7403\u514d\u8d39ISM\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30002. \u5177\u4f53\u56fd\u5bb6\/\u5730\u533a\u7684\u9891\u7387\u5206\u914d<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30003. \u7279\u5b9a\u56fd\u5bb6\u7684Sub-1GHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30004. \u79fb\u52a8\u901a\u4fe1\u4e2d\u7684Sub-1GHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30005. \u5176\u4ed6Sub-1GHz\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u3000\u4e8c\u3001 Sub-1GHz\u9891\u6bb5\u4e0a\u5b9e\u73b0\u4f4e\u529f\u8017Mesh\u7f51\u7edc\u7684\u65b9\u6cd5?<\/h2>\n\n\n\n
\u3000\u30001. \u786c\u4ef6\u9009\u62e9<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30002. \u7f51\u7edc\u62d3\u6251\u8bbe\u8ba1<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30003. \u534f\u8bae\u6808\u5e94\u7528<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u30004. \u529f\u8017\u7ba1\u7406<\/strong>\uff1a<\/h3>\n\n\n\n
\u3000\u3000\u4e09\u3001 Sub-1GHz\u9891\u6bb5\u652f\u6301\u7684\u4e13\u6709\u65e0\u7ebf\u534f\u8bae\u6709\u54ea\u4e9b<\/h2>\n\n\n\n
\u3000\u30001. ST S2-LP<\/h2>\n\n\n\n
\n
\u3000\u30002. CMT2300A<\/h2>\n\n\n\n
\n
\u3000\u30003. CMT2380F29<\/h3>\n\n\n\n
\n
\u3000\u30004. CMT2310A<\/h3>\n\n\n\n
\n
\u3000\u3000\u56db\u3001 \u5927\u89c4\u6a21\u65e0\u7ebf\u7f51\u7edcSub-1GHz\u7ec4\u7f51\u534f\u8bae\u7684\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n
\u3000\u30001. \u4e3b\u8981\u6311\u6218<\/h3>\n\n\n\n
\u3000\u30002. \u89e3\u51b3\u65b9\u6848<\/h3>\n\n\n\n
\u3000\u3000\u4e94\u3001 Sub-1GHz\u4e0e\u9ad8\u9891\u6bb5(\u59822.4GHz\u548c5GHz)\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u76f8\u6bd4\u4f18\u52bf\u548c\u5c40\u9650\u6027<\/h2>\n\n\n\n
\u3000\u30001. \u4f18\u52bf\uff1a<\/h3>\n\n\n\n
\n
\u3000\u30002. \u5c40\u9650\u6027\uff1a<\/h3>\n\n\n\n
\n