{"id":96582,"date":"2024-08-08T14:17:50","date_gmt":"2024-08-08T06:17:50","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=96582"},"modified":"2024-08-08T14:17:55","modified_gmt":"2024-08-08T06:17:55","slug":"lbfctcl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/96582.html","title":{"rendered":"LoRa\u5e76\u53d1\u51b2\u7a81\u5904\u7406"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"https:\/\/www.techphant.cn\/blog\/88062.html\" data-type=\"post\" data-id=\"88062\">LoRa\u7f51\u7edc<\/a><\/strong>\u5728\u9ad8\u5bc6\u5ea6\u90e8\u7f72\u548c\u5e76\u53d1\u901a\u4fe1\u4e2d\uff0c\u5e38\u5e38\u9762\u4e34\u4fe1\u9053\u51b2\u7a81\u7684\u95ee\u9898\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u591a\u79cd\u65b9\u6cd5\u548c\u6280\u672f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u65f6\u95f4\u9891\u7387\u89c4\u5212<\/strong>\uff1a\u901a\u8fc7\u5408\u7406\u7684\u65f6\u95f4\u548c\u9891\u7387\u89c4\u5212\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u8bbe\u5907\u4e4b\u95f4\u7684\u51b2\u7a81\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u52a8\u6001\u4fe1\u9053\u9009\u62e9\u7b97\u6cd5\u53ef\u4ee5\u6839\u636e\u5f53\u524d\u7f51\u7edc\u4e2d\u4fe1\u9053\u7684\u5360\u7528\u60c5\u51b5\uff0c\u9009\u62e9\u4e00\u4e2a\u76f8\u5bf9\u7a7a\u95f2\u7684\u4fe1\u9053\u8fdb\u884c\u6570\u636e\u53d1\u9001\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u968f\u673a\u63a5\u5165\u591a\u8def\u8bbf\u95ee\uff08CSMA\uff09\u6280\u672f<\/strong>\uff1a\u5728CSMA\u4e2d\uff0c\u8282\u70b9\u5728\u53d1\u9001\u6570\u636e\u524d\u5148\u76d1\u542c\u4fe1\u9053\uff0c\u5982\u679c\u4fe1\u9053\u7a7a\u95f2\uff0c\u5219\u53ef\u4ee5\u53d1\u9001\u6570\u636e;\u5426\u5219\u7b49\u5f85\u4e00\u6bb5\u968f\u673a\u65f6\u95f4\u540e\u518d\u6b21\u5c1d\u8bd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u80fd\u591f\u6709\u6548\u964d\u4f4e\u8bbe\u5907\u4e4b\u95f4\u7684\u51b2\u7a81\u548c\u5e72\u6270\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u78b0\u649e\u68c0\u6d4b\u4e0e\u91cd\u4f20\u673a\u5236<\/strong>\uff1a\u5f53\u591a\u4e2a\u8282\u70b9\u540c\u65f6\u53d1\u9001\u6570\u636e\u65f6\uff0c\u5982\u679c\u53d1\u751f\u51b2\u7a81\uff0c\u53ef\u4ee5\u901a\u8fc7\u78b0\u649e\u68c0\u6d4b\u548c\u91cd\u4f20\u673a\u5236\u6765\u89e3\u51b3\u3002\u8fd9\u5305\u62ec\u68c0\u6d4b\u5230\u51b2\u7a81\u540e\u91cd\u65b0\u53d1\u9001\u6570\u636e\uff0c\u4ece\u800c\u907f\u514d\u6570\u636e\u4e22\u5931\u548c\u9519\u8bef\u7387\u589e\u52a0\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9891\u5206\u590d\u7528\uff08FDMA\uff09<\/strong>&nbsp;\uff1a\u901a\u8fc7\u5c06\u9891\u7387\u5206\u5272\u6210\u591a\u4e2a\u5c0f\u9891\u6bb5\uff0c\u6bcf\u4e2a\u8bbe\u5907\u4f7f\u7528\u4e0d\u540c\u7684\u9891\u6bb5\u8fdb\u884c\u901a\u4fe1\uff0c\u4ece\u800c\u907f\u514d\u51b2\u7a81\u3002\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u901a\u4fe1\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8df3\u9891\u6280\u672f<\/strong>\uff1a\u5229\u7528\u8df3\u9891\u6280\u672f\u5728\u591a\u4e2a\u4fe1\u9053\u4e4b\u95f4\u5207\u6362\uff0c\u53ef\u4ee5\u5e73\u5747\u5206\u914d\u5e72\u6270\uff0c\u51cf\u5c0f\u67d0\u4e00\u4fe1\u9053\u4e0a\u7684\u5e72\u6270\u8d1f\u8f7d\u3002\u8fd9\u79cd\u65b9\u6cd5\u7279\u522b\u9002\u7528\u4e8e\u590d\u6742\u65e0\u7ebf\u73af\u5883\u4e2d\u7a33\u5b9a\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u8def\u5f84\u63a5\u6536<\/strong>\uff1a\u63a5\u6536\u65b9\u591a\u8def\u5f84\u63a5\u6536\u662f\u4e00\u79cd\u901a\u8fc7\u591a\u8def\u5f84\u63a5\u6536\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u4ece\u800c\u964d\u4f4e\u78b0\u649e\u95ee\u9898\u7684\u5f71\u54cd\u3002\u5f53\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u53d1\u9001\u6570\u636e\u65f6\uff0c\u63a5\u6536\u65b9\u53ef\u4ee5\u5229\u7528\u591a\u4e2a\u63a5\u6536\u8def\u5f84\u6765\u5904\u7406\u6570\u636e\uff0c\u4ece\u800c\u51cf\u5c11\u51b2\u7a81\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e76\u53d1\u5e72\u6270\u6d88\u9664\uff08CIC\uff09<\/strong>&nbsp;\uff1a\u8fd9\u662f\u4e00\u79cd\u65b0\u7684\u5e72\u6270\u6d88\u9664\u6280\u672f\uff0c\u53ef\u4ee5\u540c\u65f6\u89e3\u7801\u591a\u4e2a\u76f8\u4e92\u51b2\u7a81\u7684LoRa\u5305\u3002CIC\u901a\u8fc7\u6d88\u9664\u6240\u6709\u76f8\u4e92\u51b2\u7a81\u7684\u4fe1\u53f7\uff0c\u4ece\u6839\u672c\u4e0a\u89e3\u51b3\u4e86\u5e76\u53d1\u51b2\u7a81\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f51\u7edc\u62d3\u6251\u4f18\u5316<\/strong>\uff1a\u901a\u8fc7\u4f18\u5316\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff0c\u53ef\u4ee5\u51cf\u5c11\u8bbe\u5907\u4e4b\u95f4\u7684\u76f4\u63a5\u51b2\u7a81\u3002\u4f8b\u5982\uff0c\u5728LoRaWAN\u4e2d\uff0c\u7f51\u5173\u4f5c\u4e3a\u5173\u952e\u8bbe\u5907\uff0c\u53ef\u4ee5\u7f13\u89e3\u6d77\u91cf\u8282\u70b9\u6570\u636e\u4e0a\u62a5\u6240\u5f15\u53d1\u7684\u5e76\u53d1\u51b2\u7a81\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b\u63d0\u5347<\/strong>\uff1a\u589e\u5f3aLoRa\u6a21\u5757\u7684\u6297\u5e72\u6270\u80fd\u529b\u662f\u786e\u4fdd\u5176\u5728\u590d\u6742\u65e0\u7ebf\u73af\u5883\u4e2d\u7a33\u5b9a\u901a\u4fe1\u7684\u5173\u952e\u3002\u53ef\u4ee5\u901a\u8fc7\u6539\u8fdb\u4fe1\u53f7\u5904\u7406\u4e0e\u7f16\u7801\u6280\u672f\u6765\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u7efc\u5408\u8fd0\u7528\u4ee5\u4e0a\u65b9\u6cd5\u548c\u6280\u672f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3LoRa\u7f51\u7edc\u4e2d\u7684\u5e76\u53d1\u51b2\u7a81\u95ee\u9898\uff0c\u63d0\u9ad8\u7f51\u7edc\u7684\u53ef\u9760\u6027\u548c\u901a\u4fe1\u6548\u7387\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u52a8\u6001\u4fe1\u9053\u9009\u62e9\u7b97\u6cd5\u7684\u5177\u4f53\u5b9e\u73b0\u548c\u6548\u679c<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u52a8\u6001\u4fe1\u9053\u9009\u62e9\u7b97\u6cd5\u7684\u5177\u4f53\u5b9e\u73b0\u548c\u6548\u679c\u8bc4\u4f30\u4e3b\u8981\u6d89\u53ca\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u5177\u4f53\u5b9e\u73b0<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u7684\u4fe1\u9053\u8bbf\u95ee\u7b56\u7565\u91c7\u7528\u8df3\u9891\u6269\u9891\u6280\u672f\uff0c\u5c06\u6570\u636e\u4f20\u8f93\u5206\u5e03\u5728\u591a\u4e2a\u4fe1\u9053\u4e0a\uff0c\u4ee5\u964d\u4f4e\u5355\u4e00\u4fe1\u9053\u4e0a\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u73af\u5883\u566a\u58f0\u548c\u5e72\u6270\u60c5\u51b5\uff0c\u52a8\u6001\u9009\u62e9\u6700\u4f73\u7684\u4fe1\u9053\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u79cd\u673a\u5236\u80fd\u591f\u5b9e\u65f6\u8c03\u6574\u4fe1\u9053\u8d44\u6e90\uff0c\u6839\u636e\u8bbe\u5907\u7684\u901a\u4fe1\u9700\u6c42\u548c\u7f51\u7edc\u8d1f\u8f7d\u60c5\u51b5\uff0c\u9009\u62e9\u6700\u8fd1\u7684\u53ef\u7528\u4fe1\u9053\uff0c\u5e76\u907f\u5f00\u62e5\u5835\u7684\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9488\u5bf9LoRa\u7f51\u7edc\u5efa\u7acb\u4fe1\u9053\u51b2\u7a81\u548c\u94fe\u8def\u9884\u7b97\u6a21\u578b\uff0c\u901a\u8fc7\u5f15\u5165\u57fa\u4e8e\u591a\u76ee\u6807\u9057\u4f20\u7b97\u6cd5\u7684\u52a8\u6001\u53c2\u6570\u9009\u62e9\u65b9\u6cd5\uff0c\u6539\u5584\u7f51\u7edc\u6027\u80fd\u3002\u8fd9\u79cd\u65b9\u6cd5\u5206\u6790\u4e86\u4e0d\u540c\u53c2\u6570\u914d\u7f6e\u5bf9\u7f51\u7edc\u901a\u4fe1\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u4f18\u5316\u6574\u4e2a\u7f51\u7edc\u7684\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728<strong><a href=\"https:\/\/www.techphant.cn\/blog\/93381.html\" data-type=\"post\" data-id=\"93381\">LoRa\u6280\u672f<\/a><\/strong>\u4e2d\uff0c\u4fe1\u9053\u9009\u62e9\u4e0e\u5206\u914d\u65b9\u6cd5\u5305\u62ec\u9891\u8c31\u626b\u63cf\u65b9\u6cd5\u548c\u81ea\u9002\u5e94\u9009\u62e9\u65b9\u6cd5\u3002\u8fd9\u4e9b\u65b9\u6cd5\u80fd\u591f\u6839\u636e\u5b9e\u65f6\u73af\u5883\u53d8\u5316\u81ea\u52a8\u8c03\u6574\u4fe1\u9053\u9009\u62e9\u7b56\u7565\uff0c\u786e\u4fdd\u7f51\u7edc\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u5730\u533a\u7684\u9891\u6bb5\u6709\u4e0d\u540c\u7684\u89c4\u8303\u8981\u6c42\uff0c\u56e0\u6b64\u5728\u8fdb\u884c\u9891\u7387\u914d\u7f6e\u65f6\u9700\u8981\u53c2\u8003\u76f8\u5e94\u7684\u9891\u7387\u8ba1\u5212\u3002\u4f8b\u5982\uff0c\u5728\u6b27\u6d32\u5730\u533a\uff0cLoRa\u6280\u672f\u4f7f\u7528863-870MHz\u7684\u9891\u6bb5\uff0c\u5176\u4e2d\u5b9a\u4e49\u4e86\u591a\u4e2a\u4fe1\u9053\u3002\u6bcf\u4e2a\u4fe1\u9053\u5728\u9891\u7387\u8f74\u4e0a\u76f8\u4e92\u9519\u5f00\uff0c\u4ece\u800c\u51cf\u5c11\u76f8\u90bb\u4fe1\u9053\u95f4\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u6548\u679c\u8bc4\u4f30<\/h3>\n\n\n\n<p>\u3000\u3000\u52a8\u6001\u4fe1\u9053\u9009\u62e9\u673a\u5236\u53ef\u4ee5\u6839\u636e\u7f51\u7edc\u8d1f\u8f7d\u60c5\u51b5\u548c\u4fe1\u9053\u8d28\u91cf\u6765\u4f18\u5316\u901a\u4fe1\uff0c\u6709\u6548\u51cf\u5c11\u8282\u70b9\u4e4b\u95f4\u7684\u4e89\u7528\u51b2\u7a81\uff0c\u63d0\u9ad8\u6574\u4e2a\u7f51\u7edc\u7684\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u5c06\u6570\u636e\u4f20\u8f93\u5206\u5e03\u5728\u591a\u4e2a\u4fe1\u9053\u4e0a\uff0c\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u5355\u4e00\u4fe1\u9053\u4e0a\u7684\u5e72\u6270\uff0c\u4ece\u800c\u63d0\u5347\u7f51\u7edc\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u57fa\u4e8e\u6b63\u4ea4\u9057\u4f20\u7b97\u6cd5\u7684\u52a8\u6001\u53c2\u6570\u9009\u62e9\u65b9\u6cd5\u80fd\u591f\u6839\u636e\u4e0d\u540c\u7684\u7f51\u7edc\u6761\u4ef6\u5b9e\u65f6\u8c03\u6574\u53c2\u6570\u914d\u7f6e\uff0c\u589e\u5f3a\u4e86\u7f51\u7edc\u7684\u7075\u6d3b\u6027\u548c\u9002\u5e94\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u578b\u7684\u80fd\u91cf\u7ba1\u7406\u4e3b\u8981\u901a\u8fc7\u4f4e\u529f\u8017\u8bbe\u8ba1\u548c\u8282\u80fd\u673a\u5236\u5b9e\u73b0\uff0c\u8fd9\u6709\u52a9\u4e8e\u5ef6\u957f\u7ec8\u7aef\u8bbe\u5907\u7684\u7535\u6c60\u5bff\u547d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u968f\u673a\u63a5\u5165\u591a\u8def\u8bbf\u95ee(CSMA)\u6280\u672f\u7684\u8be6\u7ec6\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5bf9\u7f51\u7edc\u6027\u80fd\u7684\u5f71\u54cd<\/h2>\n\n\n\n<p>\u3000\u3000<strong><a href=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" rel=\"noreferrer noopener nofollow\">LoRa<\/a><\/strong>(Long Range)\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\u901a\u4fe1\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u8bbe\u5907\u7684\u8fdc\u7a0b\u6570\u636e\u4f20\u8f93\u3002\u5176\u968f\u673a\u63a5\u5165\u591a\u8def\u8bbf\u95ee(CSMA\uff0cCarrier Sense Multiple Access)\u6280\u672f\u662fLoRa\u7f51\u7edc\u4e2d\u7684\u4e00\u79cd\u5173\u952e\u673a\u5236\uff0c\u7528\u4e8e\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. LoRa CSMA\u6280\u672f\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u3000CSMA\u662f\u4e00\u79cd\u57fa\u4e8e\u8f7d\u6ce2\u4fa6\u542c\u7684\u591a\u8def\u8bbf\u95ee\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u591a\u4e2a\u8282\u70b9\u5728\u5171\u4eab\u540c\u4e00\u9891\u6bb5\u4e0a\u8fdb\u884c\u901a\u4fe1\uff0c\u4f46\u5fc5\u987b\u5148\u68c0\u6d4b\u4fe1\u9053\u662f\u5426\u7a7a\u95f2\u518d\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u6bcf\u4e2a\u8282\u70b9\u5728\u5c1d\u8bd5\u53d1\u9001\u6570\u636e\u524d\u90fd\u4f1a\u76d1\u542c\u4fe1\u9053\u7684\u72b6\u6001\uff0c\u5982\u679c\u4fe1\u9053\u5fd9\uff0c\u5219\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u518d\u91cd\u65b0\u68c0\u6d4b;\u5982\u679c\u4fe1\u9053\u7a7a\u95f2\uff0c\u5219\u7acb\u5373\u5f00\u59cb\u53d1\u9001\u6570\u636e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. CSMA\u7684\u4e3b\u8981\u8bbe\u8ba1\u53c2\u6570\u5305\u62ec\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u8f7d\u6ce2\u4fa6\u542c\u9608\u503c<\/strong>\uff1a\u8fd9\u662f\u8282\u70b9\u5224\u65ad\u4fe1\u9053\u662f\u5426\u7a7a\u95f2\u7684\u6700\u5c0f\u4fe1\u53f7\u5f3a\u5ea6\u9608\u503c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fdd\u62a4\u65f6\u95f4<\/strong>\uff1a\u5373\u4f7f\u4fe1\u9053\u68c0\u6d4b\u4e3a\u7a7a\u95f2\uff0c\u8282\u70b9\u4e5f\u9700\u8981\u7b49\u5f85\u4e00\u6bb5\u4fdd\u62a4\u65f6\u95f4\u4ee5\u907f\u514d\u51b2\u7a81\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u8fd9\u4e9b\u673a\u5236\uff0cCSMA\u80fd\u591f\u6709\u6548\u51cf\u5c11\u6570\u636e\u5305\u51b2\u7a81\u7684\u53d1\u751f\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u7684\u541e\u5410\u91cf\u548c\u5305\u4ea4\u4ed8\u7387(PDR)\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u9879\u7814\u7a76\u4e2d\uff0c\u4f7f\u7528CSMA\u7684MAC\u534f\u8bae\u76f8\u6bd4\u4f20\u7edf\u7684ALOHA\u534f\u8bae\uff0c\u5c06\u5305\u4ea4\u4ed8\u7387\u63d0\u9ad8\u4e86\u4e03\u500d\uff0c\u5e76\u4e14\u6bcf\u8282\u70b9\u7684\u80fd\u91cf\u6d88\u8017\u4e5f\u663e\u8457\u964d\u4f4e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u5bf9\u7f51\u7edc\u6027\u80fd\u7684\u5f71\u54cd<\/h3>\n\n\n\n<p>\u3000\u3000CSMA\u901a\u8fc7\u51cf\u5c11\u51b2\u7a81\u548c\u4f18\u5316\u4fe1\u9053\u5229\u7528\u7387\uff0c\u663e\u8457\u63d0\u5347\u4e86\u7f51\u7edc\u7684\u541e\u5410\u91cf\u3002\u5728\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b\uff0cCSMA\u80fd\u591f\u66f4\u597d\u5730\u5206\u914d\u5e26\u5bbd\u8d44\u6e90\uff0c\u4f7f\u5f97\u66f4\u591a\u7684\u6570\u636e\u5305\u80fd\u591f\u6210\u529f\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7531\u4e8eCSMA\u51cf\u5c11\u4e86\u78b0\u649e\u7684\u6982\u7387\uff0c\u56e0\u6b64\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u5305\u4ea4\u4ed8\u7387(PDR)\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u5305\u542b10.000\u4e2a\u8282\u70b9\u7684\u7f51\u7edc\u4e2d\uff0c\u91c7\u7528CSMA\u7684MAC\u534f\u8bae\u53ef\u4ee5\u4f7fPDR\u8d85\u8fc775%\uff0c\u800c\u57fa\u4e8eALOHA\u7684LoRaWAN MAC\u7684PDR\u4ec5\u4e3a10%\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u4f20\u7edf\u7684ALOHA\u534f\u8bae\u4e2d\uff0c\u8282\u70b9\u5728\u78b0\u649e\u65f6\u4f1a\u6d6a\u8d39\u5927\u91cf\u80fd\u91cf\u3002\u800cCSMA\u901a\u8fc7\u51cf\u5c11\u78b0\u649e\u548c\u4f18\u5316\u4fe1\u9053\u4f7f\u7528\uff0c\u964d\u4f4e\u4e86\u6bcf\u8282\u70b9\u7684\u80fd\u91cf\u6d88\u8017\uff0c\u5ef6\u957f\u4e86\u8bbe\u5907\u7684\u7535\u6c60\u5bff\u547d\u3002<\/p>\n\n\n\n<p>\u3000\u3000CSMA\u8fd8\u80fd\u591f\u63d0\u9ad8\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u901a\u8fc7\u51cf\u5c11\u51b2\u7a81\u548c\u4f18\u5316\u4fe1\u9053\u5229\u7528\u7387\uff0cCSMA\u6709\u52a9\u4e8e\u4fdd\u6301\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u6210\u529f\u7387\u548c\u8f83\u4f4e\u7684\u65f6\u5ef6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u78b0\u649e\u68c0\u6d4b\u4e0e\u91cd\u4f20\u673a\u5236\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8868\u73b0\u548c\u4f18\u5316\u7b56\u7565<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u901a\u8fc7\u78b0\u649e\u68c0\u6d4b\u4e0e\u91cd\u4f20\u673a\u5236\u6765\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u673a\u5236\u4e5f\u5e26\u6765\u4e86\u4e00\u4e9b\u6311\u6218\u548c\u4f18\u5316\u9700\u6c42\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8868\u73b0<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u7edc\u7531\u4e8e\u8bbe\u5907\u4e4b\u95f4\u7684\u7ade\u4e89\u548c\u5e72\u6270\uff0c\u5bb9\u6613\u53d1\u751f\u6570\u636e\u5305\u51b2\u7a81\uff0c\u4ece\u800c\u964d\u4f4e\u541e\u5410\u91cf\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e00\u95ee\u9898\uff0cLoRa\u91c7\u7528\u4e86\u78b0\u649e\u68c0\u6d4b\u548c\u91cd\u4f20\u673a\u5236\uff0c\u80fd\u591f\u68c0\u6d4b\u5e76\u91cd\u65b0\u53d1\u9001\u5931\u8d25\u7684\u6570\u636e\u5305\u3002\u8fd9\u79cd\u673a\u5236\u867d\u7136\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u53ef\u9760\u6027\uff0c\u4f46\u4f1a\u5360\u7528\u989d\u5916\u7684\u65f6\u95f4\u548c\u5e26\u5bbd\uff0c\u5bf9\u7f51\u7edc\u541e\u5410\u91cf\u4ea7\u751f\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u7684\u81ea\u9002\u5e94\u901f\u7387\u673a\u5236\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u901a\u4fe1\u8d28\u91cf\u8c03\u6574\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u6709\u52a9\u4e8e\u4f18\u5316\u80fd\u6548\u548c\u901a\u4fe1\u8d28\u91cf\u3002\u540c\u65f6\uff0c\u5408\u7406\u7684\u91cd\u4f20\u8d85\u65f6\u65f6\u95f4\u548c\u51b2\u7a81\u68c0\u6d4b\u673a\u5236\u53ef\u4ee5\u6709\u6548\u5b9e\u73b0\u91cd\u4f20\u673a\u5236\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5f53\u8282\u70b9\u68c0\u6d4b\u5230\u78b0\u649e\u65f6\uff0c\u53ef\u4ee5\u91c7\u7528\u968f\u673a\u540e\u9000\u7b97\u6cd5\u6765\u907f\u514d\u518d\u6b21\u53d1\u751f\u78b0\u649e\u3002\u5373\u5728\u68c0\u6d4b\u5230\u78b0\u649e\u540e\uff0c\u8282\u70b9\u968f\u673a\u9009\u62e9\u4e00\u4e2a\u65f6\u95f4\u7a97\u53e3\u8fdb\u884c\u91cd\u4f20\uff0c\u4ee5\u671f\u5728\u4e0b\u6b21\u4f20\u8f93\u4e2d\u907f\u514d\u78b0\u649e\u3002<\/p>\n\n\n\n<p>\u3000\u3000AlignTrack\u65b9\u6cd5\u901a\u8fc7\u8bc6\u522b\u548c\u53bb\u9664\u672a\u5bf9\u9f50\u7684\u5947\u6ce2\u5cf0\u6765\u5b9e\u73b0\u78b0\u649e\u68c0\u6d4b\u548c\u5206\u79bb\uff0c\u5373\u4f7f\u5728\u4f4e\u4fe1\u566a\u6bd4\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u5de5\u4f5c\uff0c\u5e76\u4e14\u80fd\u663e\u8457\u63d0\u9ad8\u7f51\u7edc\u541e\u5410\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000FlipLoRa\u662f\u4e00\u79cd\u65b0\u7684\u673a\u5236\uff0c\u5b83\u5229\u7528\u4e0a\u884c\u548c\u4e0b\u884c\u9891\u8c31\u4e4b\u95f4\u7684\u51c6\u6b63\u4ea4\u6027\uff0c\u901a\u8fc7\u5bf9\u6570\u636e\u5305\u8fdb\u884c\u4ea4\u9519\u7684\u4e0a\u884c\u548c\u4e0b\u884c\u9891\u8c31\u7f16\u7801\u6765\u5b9e\u73b0\u5e76\u53d1\u4f20\u8f93\u591a\u4e2a\u6570\u636e\u5305\uff0c\u4ece\u800c\u63d0\u9ad8\u541e\u5410\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u4f18\u5316\u7b56\u7565<\/h3>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u4f18\u5316\u6570\u636e\u5305\u5927\u5c0f\u3001\u4f20\u8f93\u901f\u7387\u3001\u4fe1\u9053\u6761\u4ef6\u548c\u7f51\u7edc\u62e5\u585e\u7b49\u56e0\u7d20\uff0c\u53ef\u4ee5\u51cf\u5c11\u53d1\u9001\u65f6\u95f4\uff0c\u5e76\u91c7\u7528\u6570\u636e\u538b\u7f29\u3001\u6570\u636e\u5206\u7247\u3001\u786c\u4ef6\u52a0\u901f\u7b49\u65b9\u6cd5\u6765\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000NScale\u7b97\u6cd5\u901a\u8fc7\u8865\u507f\u76f8\u4f4d\u65cb\u8f6c\u6765\u6062\u590dFFT\u5cf0\u503c\uff0c\u5e76\u4f7f\u7528k-means\u805a\u7c7b\u5c06\u7b26\u53f7\u5206\u7ec4\u4e3ak\u4e2a\u7c07\uff0c\u4ee5\u89e3\u7801\u78b0\u649e\u5e76\u6062\u590d\u6bcf\u4e2a\u7b26\u53f7\u7684\u7cbe\u786e\u4fe1\u606f\u3002\u8be5\u7b97\u6cd5\u8fd8\u5229\u7528LoRa\u6570\u636e\u5305\u7684\u72ec\u7279\u7ed3\u6784\u6765\u6d88\u9664CFO\u7684\u5f71\u54cd\u5e76\u51c6\u786e\u8ba1\u7b97\u65f6\u9699\u504f\u79fb\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000ChatGLM-6B\u534f\u8bae\u63d0\u4f9b\u4e86\u8bb8\u591a\u9ad8\u7ea7\u7279\u6027\uff0c\u4f8b\u5982\u540c\u6b65\u5b57\u3001\u5e27\u5934\u3001\u91cd\u4f20\u673a\u5236\u7b49\u3002\u901a\u8fc7\u5408\u7406\u5229\u7528\u8fd9\u4e9b\u7279\u6027\uff0c\u53ef\u4ee5\u5728\u63d0\u9ad8\u901a\u4fe1\u53ef\u9760\u6027\u7684\u540c\u65f6\uff0c\u964d\u4f4e\u529f\u8017\u5e76\u4f18\u5316\u5e26\u5bbd\u5229\u7528\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u901a\u8fc7\u591a\u79cd\u78b0\u649e\u68c0\u6d4b\u4e0e\u91cd\u4f20\u673a\u5236\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u53ef\u9760\u6027\uff0c\u4f46\u4e5f\u9762\u4e34\u8bf8\u5982\u541e\u5410\u91cf\u4e0b\u964d\u7b49\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u9891\u5206\u590d\u7528(FDMA)\u6280\u672f\u5728\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\u7684\u5177\u4f53\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000<strong>LoRa\u9891\u5206\u590d\u7528<\/strong>(FDMA)\u6280\u672f\u5728\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\u6709\u591a\u4e2a\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u548c\u6210\u6548\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5173\u952e\u70b9\uff1a<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u91c7\u7528\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u901a\u8fc7\u9891\u8c31\u6269\u5c55\u6765\u589e\u5f3a\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u4f7f\u4fe1\u53f7\u5728\u9891\u57df\u4e0a\u5c55\u5f00\uff0c\u964d\u4f4e\u4fe1\u53f7\u53d7\u5230\u5e72\u6270\u7684\u6982\u7387\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7814\u7a76\u8868\u660e\uff0cLoRa\u53ef\u4ee5\u6709\u6548\u62b5\u6297IEEE 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