{"id":5007,"date":"2023-06-28T10:45:06","date_gmt":"2023-06-28T02:45:06","guid":{"rendered":"\/\/www.viralrail.com\/?p=5007"},"modified":"2023-06-28T10:45:09","modified_gmt":"2023-06-28T02:45:09","slug":"lwxtxjsyl","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/5007.html","title":{"rendered":"lora\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u539f\u7406"},"content":{"rendered":"\n

\u3000\u3000Lora<\/strong>\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u3002\u5b83\u662f\u7531Semtech\u516c\u53f8\u5f00\u53d1\u7684\uff0c\u662f\u4e00\u79cd\u57fa\u4e8e\u6269\u9891\u6280\u672f\u7684\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\u3002Lora\u6280\u672f\u5728\u7269\u8054\u7f51\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u57ce\u5e02\u7b49\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecdLora\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u539f\u7406\u3001\u4f18\u70b9\u548c\u5e94\u7528\u9886\u57df\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001Lora<\/a>\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u539f\u7406<\/h2>\n\n\n\n

\u3000\u3000Lora\u6280\u672f\u57fa\u4e8e\u6269\u9891\u6280\u672f\uff0c\u91c7\u7528\u4e86CSS(Chirp Spread Spectrum)\u8c03\u5236\u65b9\u5f0f\u3002CSS\u8c03\u5236\u65b9\u5f0f\u662f\u4e00\u79cd\u7ebf\u6027\u8c03\u5236\u65b9\u5f0f\uff0c\u5b83\u5c06\u6570\u636e\u8f6c\u5316\u4e3a\u4e00\u7cfb\u5217\u7684\u9891\u7387\u626b\u63cf\u4fe1\u53f7\uff0c\u8fd9\u4e9b\u4fe1\u53f7\u88ab\u79f0\u4e3a\u201c\u5541\u557e\u201d\u4fe1\u53f7\u3002\u8fd9\u4e9b\u201c\u5541\u557e\u201d\u4fe1\u53f7\u5177\u6709\u8f83\u9ad8\u7684\u5e26\u5bbd\uff0c\u53ef\u4ee5\u5728\u8f83\u4f4e\u7684\u4fe1\u566a\u6bd4\u4e0b\u4f20\u8f93\u6570\u636e\u3002Lora\u6280\u672f\u91c7\u7528\u4e86\u81ea\u9002\u5e94\u901f\u7387\u8c03\u5236(ADR)\u6280\u672f\u548c\u524d\u5411\u7ea0\u9519(FEC)\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u8ddd\u79bb\u548c\u4fe1\u9053\u6761\u4ef6\u4e0b\u5b9e\u73b0\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000Lora\u6280\u672f\u7684\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u6570\u516c\u91cc\uff0c\u8fd9\u662f\u56e0\u4e3a\u5b83\u91c7\u7528\u4e86\u4f4e\u901f\u7387\u3001\u957f\u7801\u957f\u7684\u8c03\u5236\u65b9\u5f0f\u3002Lora\u6280\u672f\u7684\u8c03\u5236\u901f\u7387\u53ef\u4ee5\u4ece300bps\u52305.4kbps\u4e0d\u7b49\uff0c\u7801\u957f\u53ef\u4ee5\u8fbe\u52304096\u4e2a\u7b26\u53f7\u3002\u8fd9\u79cd\u957f\u7801\u957f\u7684\u8c03\u5236\u65b9\u5f0f\u53ef\u4ee5\u964d\u4f4e\u566a\u58f0\u5bf9\u4fe1\u53f7\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u5b9e\u73b0\u957f\u8ddd\u79bb\u7684\u65e0\u7ebf\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000Lora\u6280\u672f\u91c7\u7528\u4e86\u9891\u7387\u626b\u63cf\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u9891\u6bb5\u4e4b\u95f4\u5207\u6362\uff0c\u4ece\u800c\u907f\u514d\u4e86\u9891\u6bb5\u7684\u62e5\u585e\u548c\u5e72\u6270\u3002Lora\u6280\u672f\u8fd8\u91c7\u7528\u4e86\u53cd\u5411\u94fe\u8def(ACK)\u673a\u5236\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001Lora\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u4f18\u70b9<\/h2>\n\n\n\n
    \n
  • \u3000\u30001.\u4f4e\u529f\u8017\uff1aLora\u6280\u672f\u91c7\u7528\u4f4e\u901f\u7387\u3001\u957f\u7801\u957f\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u53ef\u4ee5\u964d\u4f4e\u529f\u8017\uff0c\u4ece\u800c\u5ef6\u957f\u7535\u6c60\u5bff\u547d\u3002<\/li>\n\n\n\n
  • \u3000\u30002.\u957f\u8ddd\u79bb\uff1aLora\u6280\u672f\u7684\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u6570\u516c\u91cc\uff0c\u53ef\u4ee5\u6ee1\u8db3\u7269\u8054\u7f51\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u57ce\u5e02\u7b49\u9886\u57df\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n
  • \u3000\u30003.\u6297\u5e72\u6270\uff1aLora\u6280\u672f\u91c7\u7528\u4e86\u9891\u7387\u626b\u63cf\u65b9\u5f0f\u548c\u81ea\u9002\u5e94\u901f\u7387\u8c03\u5236\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u5e72\u6270\u73af\u5883\u4e0b\u5b9e\u73b0\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n
  • \u3000\u30004.\u8282\u7701\u6210\u672c\uff1aLora\u6280\u672f\u91c7\u7528\u4e86\u7b80\u5355\u7684\u786c\u4ef6\u8bbe\u8ba1\u548c\u5f00\u653e\u7684\u534f\u8bae\u6807\u51c6\uff0c\u53ef\u4ee5\u964d\u4f4e\u7cfb\u7edf\u6210\u672c\u3002<\/li>\n\n\n\n
  • \u3000\u30005.\u5b89\u5168\u6027\u9ad8\uff1aLora\u6280\u672f\u91c7\u7528\u4e86128\u4f4dAES\u52a0\u5bc6\u7b97\u6cd5\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e09\u3001Lora\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u5e94\u7528\u9886\u57df<\/h2>\n\n\n\n
      \n
    • \u3000\u30001.\u7269\u8054\u7f51\uff1aLora\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u7269\u8054\u7f51\u8bbe\u5907\u7684\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u3001\u53ef\u9760\u7684\u65e0\u7ebf\u901a\u4fe1\u3002<\/li>\n\n\n\n
    • \u3000\u30002.\u667a\u80fd\u5bb6\u5c45\uff1aLora\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u7684\u8fdc\u7a0b\u76d1\u63a7\u548c\u63a7\u5236\u3002<\/li>\n\n\n\n
    • \u3000\u30003.\u667a\u80fd\u57ce\u5e02\uff1aLora\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u667a\u80fd\u57ce\u5e02\u8bbe\u5907\u7684\u8fdc\u7a0b\u76d1\u63a7\u548c\u63a7\u5236\uff0c\u5982\u667a\u80fd\u8def\u706f\u3001\u667a\u80fd\u505c\u8f66\u573a\u7b49\u3002<\/li>\n\n\n\n
    • \u3000\u30004.\u519c\u4e1a\u9886\u57df\uff1aLora\u6280\u672f\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u519c\u4e1a\u8bbe\u5907\u7684\u8fdc\u7a0b\u76d1\u63a7\u548c\u63a7\u5236\uff0c\u5982\u571f\u58e4\u6e7f\u5ea6\u3001\u6e29\u5ea6\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u56db\u3001\u7ed3\u8bba<\/h2>\n\n\n\n

      \u3000\u3000Lora\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u3002\u5b83\u91c7\u7528\u4e86CSS\u8c03\u5236\u65b9\u5f0f\u548c\u81ea\u9002\u5e94\u901f\u7387\u8c03\u5236\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u8ddd\u79bb\u548c\u4fe1\u9053\u6761\u4ef6\u4e0b\u5b9e\u73b0\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/strong>Lora\u6280\u672f\u7684\u4f18\u70b9\u5305\u62ec\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u3001\u6297\u5e72\u6270\u3001\u8282\u7701\u6210\u672c\u548c\u9ad8\u5b89\u5168\u6027\u3002Lora\u6280\u672f\u5728\u7269\u8054\u7f51\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u57ce\u5e02\u7b49\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      Lora\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u3002\u5b83\u662f\u7531Semtech\u516c\u53f8\u5f00\u53d1\u7684\uff0c\u662f\u4e00\u79cd\u57fa\u4e8e\u6269\u9891\u6280\u672f\u7684\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\u3002Lora\u6280\u672f\u5728\u7269\u8054\u7f51\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u57ce\u5e02\u7b49\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecdLora\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u539f\u7406\u3001\u4f18\u70b9\u548c\u5e94\u7528\u9886\u57df\u3002<\/p>\n","protected":false},"author":1,"featured_media":2602,"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":[54],"class_list":["post-5007","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/5007"}],"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=5007"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/5007\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/2602"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=5007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=5007"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=5007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}