{"id":97612,"date":"2024-09-11T11:23:01","date_gmt":"2024-09-11T03:23:01","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=97612"},"modified":"2024-09-11T11:23:05","modified_gmt":"2024-09-11T03:23:05","slug":"wrjdxhcsyl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/97612.html","title":{"rendered":"\u65e0\u4eba\u673a\u7684\u4fe1\u53f7\u4f20\u8f93\u539f\u7406"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u65e0\u4eba\u673a\u7684\u4fe1\u53f7\u4f20\u8f93\u539f\u7406<\/strong>\u4e3b\u8981\u4f9d\u8d56\u4e8e\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5176\u6838\u5fc3\u662f\u901a\u8fc7\u65e0\u7ebf\u7535\u6ce2\u6216\u5176\u4ed6\u65e0\u7ebf\u7535\u6280\u672f\u5b9e\u73b0\u65e0\u4eba\u673a\u4e0e\u5730\u9762\u7ad9\u6216\u63a7\u5236\u7aef\u4e4b\u95f4\u7684\u6570\u636e\u548c\u63a7\u5236\u6307\u4ee4\u7684\u4f20\u8f93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 \u65e0\u4eba\u673a\u4fe1\u53f7\u4f20\u8f93\u4ecb\u7ecd<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/strong>\uff1a\u65e0\u4eba\u673a\u901a\u5e38\u5728\u7535\u8def\u677f\u4e0a\u642d\u8f7d\u6709\u591a\u79cd\u901a\u4fe1\u6a21\u5757\uff0c\u5305\u62ec\u7528\u4e8e\u9065\u63a7\u548c\u56fe\u50cf\u4f20\u8f93\u76842.4GHz\/5.8GHz\u9891\u6bb5\uff0c\u4ee5\u53ca\u7528\u4e8e\u6570\u636e\u94fe\u8def\u7684\u5176\u4ed6\u9891\u6bb5\u5982840.5-845MHz\u30011430-1444MHz\u548c2408-2440MHz\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>OFDM\u6280\u672f<\/strong>\uff1aOFDM(\u6b63\u4ea4\u9891\u5206\u590d\u7528)\u662f\u4e00\u79cd\u5e38\u7528\u7684\u591a\u8f7d\u6ce2\u8c03\u5236\u6280\u672f\uff0c\u9002\u5408\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002\u5b83\u80fd\u591f\u5728\u7a84\u5e26\u5e26\u5bbd\u4e0b\u53d1\u51fa\u5927\u91cf\u6570\u636e\uff0c\u5e76\u4e14\u80fd\u591f\u5bf9\u6297\u9891\u7387\u9009\u62e9\u6027\u8870\u843d\u6216\u7a84\u5e26\u5e72\u6270\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u65e0\u4eba\u673a\u65e0\u7ebf\u89c6\u9891\u901a\u4fe1\u7cfb\u7edf\u91c7\u7528COFDM\u5168\u6570\u5b57\u8c03\u5236\u89e3\u8c03\u6280\u672f\u548cMPEG2\/MPEG4\u6570\u5b57\u538b\u7f29\u7f16\u7801\u6280\u672f\uff0c\u8fd9\u4e9b\u6280\u672f\u5177\u5907\u8f83\u5f3a\u7684\u6297\u591a\u5f84\u80fd\u529b\u548c\u826f\u597d\u7684\u7a7f\u900f\u80fd\u529b\uff0c\u53ef\u4ee5\u6ee1\u8db3\u975e\u89c6\u8ddd\u548c\u7ed5\u5c04\u4f20\u8f93\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e2d\u7ee7\u901a\u4fe1<\/strong>\uff1a\u65e0\u4eba\u673a\u4e2d\u7ee7\u901a\u4fe1\u662f\u901a\u8fc7\u65e0\u4eba\u673a\u4f5c\u4e3a\u4e2d\u7ee7\u8282\u70b9\u6765\u5b9e\u73b0\u4fe1\u53f7\u4f20\u8f93\u7684\u4e00\u79cd\u65b9\u5f0f\u3002\u5229\u7528\u65e0\u4eba\u673a\u7684\u98de\u884c\u9ad8\u5ea6\u4f18\u52bf\uff0c\u5c06\u4fe1\u53f7\u4ece\u6e90\u8282\u70b9\u4f20\u8f93\u5230\u76ee\u6807\u8282\u70b9\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>5G\u901a\u4fe1\u6280\u672f<\/strong>\uff1a\u968f\u77405G\u7f51\u7edc\u7684\u53d1\u5c55\uff0c\u57fa\u4e8e5G\u7684\u4f4e\u7a7a\u8986\u76d6\u7ec4\u7f51\u65b9\u6848\u88ab\u63d0\u51fa\uff0c\u4ee5\u63d0\u4f9b\u8d85\u9ad8\u5e26\u5bbd\u3001\u4f4e\u65f6\u5ef6\u9ad8\u53ef\u9760\u4ee5\u53ca\u5e7f\u8986\u76d6\u5927\u8fde\u63a5\u7684\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5b9e\u65f6\u9ad8\u6e05\u89c6\u9891\u4f20\u8f93\u7b49\u5927\u89c4\u6a21\u6570\u636e\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5176\u4ed6\u901a\u4fe1\u65b9\u5f0f<\/strong>\uff1a\u9664\u4e86\u4e0a\u8ff0\u4e3b\u8981\u65b9\u5f0f\u5916\uff0c\u65e0\u4eba\u673a\u8fd8\u53ef\u4ee5\u4f7f\u7528WiFi\u3001\u84dd\u7259\u3001ZigBee\u7b49\u9ad8\u901f\u3001\u9ad8\u5e26\u5bbd\u7684\u4fe1\u53f7\u4f20\u8f93\u6280\u672f\u8fdb\u884c\u6570\u636e\u548c\u63a7\u5236\u6307\u4ee4\u7684\u4f20\u8f93\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u65e0\u4eba\u673a\u7684\u4fe1\u53f7\u4f20\u8f93\u539f\u7406\u6db5\u76d6\u4e86\u591a\u79cd\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u548c\u65b9\u6cd5\uff0c\u901a\u8fc7\u4e0d\u540c\u7684\u9891\u6bb5\u548c\u8c03\u5236\u89e3\u8c03\u6280\u672f\u5b9e\u73b0\u9ad8\u6548\u3001\u53ef\u9760\u7684\u4fe1\u53f7\u4f20\u8f93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u65e0\u4eba\u673a\u4f7f\u7528OFDM\u6280\u672f\u5728\u4fe1\u53f7\u4f20\u8f93\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u548c\u4f18\u52bf\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u65e0\u4eba\u673a\u4f7f\u7528OFDM(\u6b63\u4ea4\u9891\u5206\u590d\u7528)\u6280\u672f\u5728\u4fe1\u53f7\u4f20\u8f93\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u548c\u4f18\u52bf\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9ad8\u9891\u8c31\u5229\u7528\u7387<\/strong>\uff1aOFDM\u901a\u8fc7\u5c06\u4fe1\u53f7\u5206\u89e3\u4e3a\u591a\u4e2a\u5b50\u8f7d\u6ce2\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u9891\u8c31\u5229\u7528\u7387\u3002\u8fd9\u610f\u5473\u7740\u5728\u540c\u4e00\u9891\u7387\u5e26\u5bbd\u5185\uff0cOFDM\u80fd\u591f\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u4ece\u800c\u63d0\u5347\u901a\u4fe1\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u591a\u5f84\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u7531\u4e8e\u65e0\u4eba\u673a\u98de\u884c\u8fc7\u7a0b\u4e2d\u4f1a\u9047\u5230\u590d\u6742\u7684\u73af\u5883\uff0c\u5bb9\u6613\u4ea7\u751f\u591a\u5f84\u6548\u5e94\u3002OFDM\u6280\u672f\u901a\u8fc7\u5f15\u5165\u5faa\u73af\u524d\u7f00(CP)\uff0c\u80fd\u591f\u6709\u6548\u9632\u6b62\u7b26\u53f7\u95f4\u5e72\u6270(ISI)\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u901f\u4f20\u8f93\u901f\u7387<\/strong>\uff1aOFDM\u4f5c\u4e3a\u4e00\u79cd\u591a\u8f7d\u6ce2\u4f20\u8f93\u6280\u672f\uff0c\u80fd\u591f\u5728\u591a\u5f84\u65f6\u5ef6\u7684\u60c5\u51b5\u4e0b\u4fdd\u6301\u8f83\u9ad8\u7684\u901a\u4fe1\u901f\u5ea6\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u5feb\u901f\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u65e0\u4eba\u673a\u5e94\u7528\u573a\u666f\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6613\u4e8e\u6570\u5b57\u5316\u5904\u7406<\/strong>\uff1aOFDM\u4fe1\u53f7\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u6027\u80fd\uff0c\u5e76\u4e14\u4fbf\u4e8e\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u3002\u8fd9\u4f7f\u5f97\u65e0\u4eba\u673a\u5e73\u53f0\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u96f7\u8fbe\u901a\u4fe1\u4e00\u4f53\u5316\u8bbe\u8ba1<\/strong>\uff1a\u5728\u65e0\u4eba\u673a\u5e73\u53f0\u4e0a\uff0cOFDM\u6280\u672f\u4e0d\u4ec5\u7528\u4e8e\u6570\u636e\u94fe\u8def\u901a\u4fe1\uff0c\u8fd8\u53ef\u4ee5\u4e0e\u96f7\u8fbe\u7cfb\u7edf\u96c6\u6210\uff0c\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u5229\u7528\u8d44\u6e90\u5e76\u51cf\u5c11\u7535\u78c1\u5e72\u6270\u3002\u8fd9\u79cd\u4e00\u4f53\u5316\u8bbe\u8ba1\u5bf9\u4e8e\u63d0\u9ad8\u65e0\u4eba\u673a\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u652f\u6301\u591a\u79cd\u4efb\u52a1\u8d1f\u8f7d<\/strong>\uff1a\u968f\u7740\u65e0\u4eba\u673a\u4efb\u52a1\u8d1f\u8f7d\u7684\u591a\u6837\u5316\uff0c\u5982\u4f55\u63d0\u9ad8\u6570\u636e\u94fe\u8def\u7684\u901a\u4fe1\u8d28\u91cf\u6210\u4e3a\u5173\u952e\u95ee\u9898\u3002MIMO-OFDM\u6280\u672f\u7ed3\u5408\u4e86\u591a\u8f93\u5165\u591a\u8f93\u51fa(MIMO)\u6280\u672f\u548cOFDM\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u65e0\u4eba\u673a\u7f51\u7edc\u7684\u53ef\u9760\u6027\u548c\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u80fd\u91cf\u6536\u96c6\u4e0e\u4fe1\u606f\u4f20\u8f93\u5e76\u884c<\/strong>\uff1a\u5728\u67d0\u4e9b\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u65e0\u4eba\u673a\u4e0d\u4ec5\u8981\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u8fd8\u9700\u8981\u8fdb\u884c\u80fd\u91cf\u6536\u96c6\u3002OFDM\u7f51\u7edc\u53ef\u4ee5\u901a\u8fc7\u5c06\u5b50\u8f7d\u6ce2\u5206\u4e3a\u4e24\u7ec4\u5206\u522b\u7528\u4e8e\u4fe1\u606f\u4f20\u8f93\u548c\u80fd\u91cf\u6536\u96c6\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u548c\u80fd\u91cf\u7ba1\u7406\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8bef\u7801\u7387\u6027\u80fd\u4f18\u5316<\/strong>\uff1a\u7814\u7a76\u8868\u660e\uff0c\u5728\u4e0d\u540c\u98de\u884c\u72b6\u6001\u4e0b\uff0c\u5982\u8d77\u964d\u3001\u76d8\u65cb\u7b49\uff0c\u91c7\u7528OFDM\u6280\u672f\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u6bd4\u7279\u8bef\u5dee\u7387(BER)\uff0c\u63d0\u9ad8\u901a\u4fe1\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000OFDM\u6280\u672f\u5728\u65e0\u4eba\u673a\u4fe1\u53f7\u4f20\u8f93\u4e2d\u7684\u5e94\u7528\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\uff0c\u5305\u62ec\u9ad8\u9891\u8c31\u5229\u7528\u7387\u3001\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\u3001\u9ad8\u901f\u4f20\u8f93\u901f\u7387\u4ee5\u53ca\u6613\u4e8e\u6570\u5b57\u5316\u5904\u7406\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u65e0\u4eba\u673a\u65e0\u7ebf\u89c6\u9891\u901a\u4fe1\u7cfb\u7edf\u7684\u6297\u591a\u5f84\u80fd\u529b\u548c\u7a7f\u900f\u80fd\u529b?<\/h2>\n\n\n\n<p>\u3000\u3000\u8bc4\u4f30\u65e0\u4eba\u673a\u65e0\u7ebf\u89c6\u9891\u901a\u4fe1\u7cfb\u7edf\u7684\u6297\u591a\u5f84\u80fd\u529b\u548c\u7a7f\u900f\u80fd\u529b\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u6297\u591a\u5f84\u80fd\u529b<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>OFDM\u6280\u672f<\/strong>\uff1a\u57fa\u4e8e\u6b63\u4ea4\u9891\u5206\u590d\u7528(OFDM)\u7684\u901a\u4fe1\u6280\u672f\u5177\u6709\u5f88\u5f3a\u7684\u6297\u591a\u5f84\u5e72\u6270\u80fd\u529b\u3002OFDM\u901a\u8fc7\u5c06\u5e26\u5bbd\u5206\u5272\u6210\u591a\u4e2a\u5b50\u8f7d\u6ce2\uff0c\u5e76\u5728\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u4e0a\u72ec\u7acb\u8c03\u5236\u4fe1\u53f7\uff0c\u4ece\u800c\u6709\u6548\u62b5\u6297\u9891\u7387\u9009\u62e9\u6027\u8870\u843d\u548c\u591a\u5f84\u6548\u5e94\u3002\u4f8b\u5982\uff0cCOFDM\u6280\u672f\u5229\u7528\u76f8\u5bf9\u7a84\u7684\u7a7a\u4e2d\u5e26\u5bbd(\u59824MHz\/6MHz)\u548c\u5f3a\u5927\u7684\u6297\u591a\u5f84\u5e72\u6270\u80fd\u529b\uff0c\u514b\u670d\u4e86\u6a21\u62df\u6280\u672f\u548c\u5e38\u89c4\u8c03\u5236\u6280\u672f\u4e0b\u7684\u56fe\u50cf\u4f20\u8f93\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>Rake\u63a5\u6536\u6280\u672f<\/strong>\uff1a\u9488\u5bf9\u65e0\u4eba\u673a\u4e0a\u884c\u94fe\u8def\u4f20\u8f93\u901f\u7387\u4f4e\u7684\u7279\u70b9\uff0c\u91c7\u7528Rake\u63a5\u6536\u6280\u672f\u53ef\u4ee5\u63d0\u9ad8\u63a5\u6536\u673a\u6027\u80fd\uff0c\u589e\u5f3a\u4e0a\u884c\u94fe\u8def\u5728\u591a\u5f84\u73af\u5883\u4e0b\u7684\u9002\u5e94\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5929\u7ebf\u591a\u6837\u6027<\/strong>\uff1a\u5728\u65e0\u4eba\u673a\u4e0a\u5b89\u88c5\u591a\u4e2a\u5929\u7ebf\uff0c\u4ee5\u964d\u4f4e\u4fe1\u53f7\u4e4b\u95f4\u7684\u76f8\u5173\u6027\uff0c\u51cf\u5c11\u591a\u5f84\u8870\u51cf\u7684\u5f71\u54cd\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u5207\u6362\u5929\u7ebf\u6765\u589e\u5f3a\u6297\u591a\u5f84\u8870\u51cf\u7684\u80fd\u529b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u7a7f\u900f\u80fd\u529b<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u975e\u89c6\u8ddd\u548c\u7ed5\u5c04\u4f20\u8f93<\/strong>\uff1a\u57fa\u4e8eOFDM\u7684\u901a\u4fe1\u6280\u672f\u4e0d\u4ec5\u5177\u5907\u826f\u597d\u7684\u6297\u591a\u5f84\u80fd\u529b\uff0c\u8fd8\u5177\u6709\u201c\u975e\u89c6\u8ddd\u201d\u548c\u201c\u7ed5\u5c04\u201d\u4f20\u8f93\u7684\u7279\u70b9\uff0c\u8fd9\u4f7f\u5f97\u5b83\u80fd\u591f\u7a7f\u900f\u969c\u788d\u7269\u5e76\u4fdd\u6301\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6269\u9891\u6280\u672f<\/strong>\uff1a\u4f7f\u7528\u76f4\u63a5\u5e8f\u5217\u6269\u9891(DSSS)\u6280\u672f\u53ef\u4ee5\u63d0\u9ad8\u6297\u5e72\u6270\u6027\u80fd\uff0c\u5e76\u63d0\u4f9b\u56fa\u6709\u7684\u6570\u636e\u5b89\u5168\u6027\uff0c\u8fd9\u5bf9\u4e8e\u7a7f\u900f\u590d\u6742\u73af\u5883\u4e2d\u7684\u4fe1\u53f7\u4f20\u8f93\u975e\u5e38\u6709\u5229\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u5b9e\u9645\u5e94\u7528\u4e0e\u6d4b\u8bd5<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u4eff\u771f\u9a8c\u8bc1<\/strong>\uff1a\u901a\u8fc7\u4eff\u771f\u6280\u672f\u9a8c\u8bc1\u6240\u91c7\u7528\u7684\u6280\u672f\u662f\u5426\u80fd\u591f\u6709\u6548\u5e94\u5bf9\u591a\u5f84\u5e72\u6270\u548c\u7a7f\u900f\u969c\u788d\u7269\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u9488\u5bf9\u65e0\u4eba\u673a\u4e0b\u884c\u94fe\u8def\u4f20\u8f93\u901f\u7387\u9ad8\u7684\u7279\u70b9\uff0c\u901a\u8fc7\u4eff\u771f\u9a8c\u8bc1OFDM\u6280\u672f\u89e3\u51b3\u4e86\u65e0\u7ebf\u5bbd\u5e26\u6570\u636e\u7684\u6297\u591a\u5f84\u4f20\u8f93\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b9e\u9a8c\u6570\u636e<\/strong>\uff1a\u5c3d\u7ba1\u76ee\u524d\u8fd8\u6ca1\u6709\u5bf9\u591a\u5f84\u8870\u51cf\u8fdb\u884c\u5168\u9762\u5efa\u6a21\u7684\u65b9\u6cd5\uff0c\u4f46\u5927\u91cf\u7684\u5b9e\u9a8c\u6570\u636e\u53ef\u4ee5\u5e2e\u52a9\u8bc4\u4f30\u65e0\u4eba\u673a\u901a\u4fe1\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u548c\u8fde\u7eed\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8bc4\u4f30\u65e0\u4eba\u673a\u65e0\u7ebf\u89c6\u9891\u901a\u4fe1\u7cfb\u7edf\u7684\u6297\u591a\u5f84\u80fd\u529b\u548c\u7a7f\u900f\u80fd\u529b\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u79cd\u6280\u672f\u548c\u65b9\u6cd5\uff0c\u5305\u62ecOFDM\u3001Rake\u63a5\u6536\u3001\u5929\u7ebf\u591a\u6837\u6027\u4ee5\u53ca\u6269\u9891\u6280\u672f\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u65e0\u4eba\u673a\u4e2d\u7ee7\u901a\u4fe1\u6280\u672f\u7684\u6700\u65b0\u8fdb\u5c55\u548c\u5b9e\u9645\u5e94\u7528\u573a\u666f\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000\u65e0\u4eba\u673a\u4e2d\u7ee7\u901a\u4fe1\u6280\u672f\u8fd1\u5e74\u6765\u53d6\u5f97\u4e86\u663e\u8457\u8fdb\u5c55\uff0c\u5e76\u5728\u591a\u4e2a\u5b9e\u9645\u5e94\u7528\u573a\u666f\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u4ee5\u4e0b\u662f\u5176\u6700\u65b0\u8fdb\u5c55\u548c\u4e3b\u8981\u5e94\u7528\u573a\u666f\u7684\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u6700\u65b0\u8fdb\u5c55<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5173\u952e\u6280\u672f\u7814\u7a76<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7269\u7406\u5c42\u7f51\u7edc\u7f16\u7801\u6280\u672f\u548c\u81ea\u9002\u5e94\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u8fd9\u4e9b\u6280\u672f\u80fd\u591f\u63d0\u9ad8\u65e0\u4eba\u673a\u4e2d\u7ee7\u901a\u4fe1\u7684\u5b9e\u65f6\u6027\u3001\u6709\u6548\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u65e0\u7ebf\u5149\u901a\u4fe1\u6280\u672f<\/strong>\uff1a\u65e0\u4eba\u673a\u4e2d\u7ee7\u5728\u65e0\u7ebf\u5149\u901a\u4fe1\u4e2d\u7684\u5e94\u7528\uff0c\u901a\u8fc7\u5206\u6790\u4fe1\u9053\u7279\u6027\u53ca\u5176\u5bf9\u901a\u4fe1\u7684\u5f71\u54cd\uff0c\u6bd4\u8f83\u4e0d\u540c\u8c03\u5236\u89e3\u8c03\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u901a\u4fe1\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u4f20\u8f93\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7b97\u6cd5\u4f18\u5316<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>PPO-PATD\u7b97\u6cd5<\/strong>\uff1a\u9488\u5bf9\u590d\u6742\u573a\u666f\u7684\u65e0\u4eba\u673a\u4e2d\u7ee7\u901a\u4fe1\uff0c\u8be5\u7b97\u6cd5\u65e8\u5728\u6700\u5927\u5316\u7cfb\u7edf\u541e\u5410\u91cf\u5e76\u6ee1\u8db3\u4e2d\u65ad\u6982\u7387\u7ea6\u675f\uff0c\u8868\u73b0\u51fa\u826f\u597d\u7684\u6536\u655b\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8f68\u8ff9\u4f18\u5316\u548c\u529f\u7387\u5206\u914d<\/strong>\uff1a\u57fa\u4e8e\u4ea4\u66ff\u6700\u5927\u5316\u548c\u8fde\u7eed\u51f8\u4f18\u5316\u7684\u9ad8\u6548\u8fed\u4ee3\u7b97\u6cd5\uff0c\u7528\u4e8e\u4f18\u5316\u65e0\u4eba\u673a\u7684\u8f68\u8ff9\u548c\u529f\u7387\u5206\u914d\uff0c\u4ee5\u63d0\u9ad8\u6574\u4f53\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7cfb\u7559\u65e0\u4eba\u673a\u7684\u5e94\u7528<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u7cfb\u7559\u65e0\u4eba\u673a\u7ed3\u5408\u901a\u4fe1\u4e2d\u7ee7\u6280\u672f\uff0c\u53ef\u4ee5\u63d0\u4f9b\u8de8\u8d8a\u906e\u853d\u969c\u788d\u7684\u89c6\u8ddd\u901a\u4fe1\u670d\u52a1\uff0c\u9002\u7528\u4e8e\u5e94\u6025\u5904\u7a81\u3001\u53cd\u6050\u9632\u66b4\u3001\u9690\u853d\u4fa6\u5bdf\u3001\u7279\u79cd\u4f5c\u6218\u7b49\u591a\u79cd\u4efb\u52a1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u519b\u4e8b\u4f5c\u6218<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6218\u573a\u901a\u4fe1\u4fdd\u969c<\/strong>\uff1a\u65e0\u4eba\u673a\u642d\u8f7d\u901a\u4fe1\u8bbe\u5907\uff0c\u4e3a\u5730\u9762\u90e8\u961f\u63d0\u4f9b\u7a33\u5b9a\u7684\u901a\u4fe1\u8986\u76d6\uff0c\u786e\u4fdd\u4f5c\u6218\u90e8\u961f\u95f4\u7684\u901a\u4fe1\u7545\u901a\uff0c\u8fd9\u5bf9\u4e8e\u6267\u884c\u8fdc\u7a0b\u4f5c\u6218\u4efb\u52a1\u548c\u4fdd\u969c\u6218\u573a\u6307\u6325\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u81ea\u7136\u707e\u5bb3\u5e94\u5bf9<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u6d2a\u6c34\u3001\u5730\u9707\u3001\u6ce5\u77f3\u6d41\u3001\u706b\u707e\u7b49\u81ea\u7136\u707e\u5bb3\u53d1\u751f\u65f6\uff0c\u5927\u8f7d\u8377\u7cfb\u7559\u65e0\u4eba\u673a\u53ef\u4ee5\u4f5c\u4e3a\u901a\u4fe1\u4e2d\u7ee7\u57fa\u7ad9\uff0c\u6062\u590d\u53d7\u635f\u533a\u57df\u7684\u901a\u4fe1\u7f51\u7edc\uff0c\u5e2e\u52a9\u6551\u63f4\u4eba\u5458\u53ca\u65f6\u83b7\u53d6\u4fe1\u606f\u5e76\u8fdb\u884c\u6551\u63f4\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6d77\u4e0a\u6d3b\u52a8<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u4eba\u673a\u4f5c\u4e3a\u7a7a\u4e2d\u901a\u4fe1\u4e2d\u7ee7\u57fa\u7ad9\uff0c\u5728\u661f-\u65e0\u4eba\u673a-\u5730\u9762\u6df7\u5408\u7f51\u7edc\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\uff0c\u7279\u522b\u662f\u5728\u8239\u8236\u6216\u6d77\u4e0a\u6d3b\u52a8\u76f8\u5173\u7684\u901a\u4fe1\u7f51\u7edc\u4e2d\uff0c\u63d0\u4f9b\u53ef\u9760\u7684\u901a\u4fe1\u652f\u6301\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u65e5\u5e38\u5de1\u903b\u4e0e\u76d1\u63a7<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u4eba\u673a\u4e2d\u7ee7\u901a\u4fe1\u6280\u672f\u4e5f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u65e5\u5e38\u5de1\u903b\u548c\u76d1\u63a7\u4efb\u52a1\uff0c\u901a\u8fc7\u81ea\u7ec4\u7f51\u6280\u672f\u5b9e\u73b0\u590d\u6742\u73af\u5883\u4e0b\u7684\u7a33\u5b9a\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u4eba\u673a\u4e2d\u7ee7\u901a\u4fe1\u6280\u672f\u4e0d\u4ec5\u5728\u7406\u8bba\u4e0a\u53d6\u5f97\u4e86\u91cd\u8981\u8fdb\u5c55\uff0c\u800c\u4e14\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5c55\u73b0\u51fa\u5e7f\u6cdb\u7684\u9002\u7528\u6027\u548c\u4f18\u8d8a\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 5G\u4f4e\u7a7a\u8986\u76d6\u7ec4\u7f51\u65b9\u6848\u5728\u65e0\u4eba\u673a\u4fe1\u53f7\u4f20\u8f93\u4e2d\u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f<\/h2>\n\n\n\n<p>\u3000\u3000\u57fa\u4e8e5G\u7684\u4f4e\u7a7a\u8986\u76d6\u7ec4\u7f51\u65b9\u6848\u5728\u65e0\u4eba\u673a\u4fe1\u53f7\u4f20\u8f93\u4e2d\u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u548c\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f<\/h3>\n\n\n\n<p>\u3000\u3000\u5229\u75285G\u6ce2\u675f\u7279\u6027\uff0c\u901a\u8fc7\u5b9e\u9645\u90e8\u7f721+x\u6ce2\u675f\u7684\u7a7a\u4e2d\u7f51\u7edc\u8986\u76d6\u65b9\u5f0f\uff0c\u5b9e\u73b0\u4e86\u4f4e\u7a7a\u76845G\u65e0\u7ebf\u8986\u76d6\u3002\u8fd9\u79cd\u6ce2\u675f\u8bbe\u8ba1\u80fd\u591f\u6709\u6548\u63d0\u5347\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u548c\u8d28\u91cf\uff0c\u6ee1\u8db3\u65e0\u4eba\u673a\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u91c7\u7528\u516c\u6709\u9891\u6bb5\u548c\u4e13\u7528\u9891\u6bb5\u76f8\u7ed3\u5408\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u7a7a\u5730\u7f51\u7edc\u4e00\u4f53\u5316\u534f\u540c\u4f18\u5316\u4f4e\u7a7a\u65e0\u7ebf\u8986\u76d6\u3002\u5177\u4f53\u63aa\u65bd\u5305\u62ec\u8ba1\u7b97\u4ef0\u89d2\u3001\u6ce2\u675f\u5c42\u6570\u548c\u5782\u76f4\u6ce2\u675f\u8986\u76d6\u8303\u56f4\u7b49\uff0c\u5e76\u4f7f\u7528\u4e13\u7528AAU\u5bf9\u7a7a\u8986\u76d6\u548c\u8d77\u964d\u70b9\u8fde\u7eed\u8986\u76d6\uff0c\u5b9e\u73b0\u7a7a\u57df\u7acb\u4f53\u591a\u5c42\u8fde\u7eed\u8986\u76d6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u7f51\u7edc\u5207\u7247\u3001MEC(\u79fb\u52a8\u8fb9\u7f18\u8ba1\u7b97)\u548cUPF(\u7528\u6237\u9762\u529f\u80fd\u4e0b\u6c89)\u7b49\u6280\u672f\u6765\u6ee1\u8db3\u4f4e\u7a7a\u7f51\u8054\u65e0\u4eba\u673a\u4e1a\u52a1\u5bf9\u901f\u7387\u3001\u65f6\u5ef6\u548c\u53ef\u9760\u6027\u7684\u8981\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u63d0\u5347\u53d1\u5c04\u529f\u7387\u548c\u5929\u7ebf\u589e\u76ca\u6765\u63d0\u9ad8\u611f\u77e5\u8ddd\u79bb\uff0c\u540c\u65f6\u91c7\u75285G\u5927\u5e26\u5bbd\u548c\u63d0\u5347\u5929\u7ebf\u6536\u53d1\u9694\u79bb\u5ea6\u6765\u63d0\u9ad8\u611f\u77e5\u7cbe\u5ea6\u3002\u8fd9\u4f7f\u5f975G\u57fa\u7ad9\u80fd\u611f\u77e5\u5230\u4f4e\u7a7a\u65e0\u4eba\u673a\u7684\u4f4d\u7f6e\u3001\u901f\u5ea6\u3001\u8f68\u8ff9\u7b49\u4fe1\u606f\uff0c\u4ece\u800c\u5177\u5907\u5b9a\u4f4d\u3001\u5bfc\u822a\u3001\u8f68\u8ff9\u76d1\u6d4b\u7b49\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u4e0d\u540c\u9ad8\u5ea6\u6761\u4ef6\u4e0b\uff0c\u901a\u8fc7\u4f18\u53165G\u516c\u7f51\u517c\u987e\u4f4e\u7a7a\u8986\u76d6\u7684\u5207\u6362\u89c4\u5219\uff0c\u786e\u4fdd\u5728300\u7c73\u53ca\u4ee5\u4e0b\u9ad8\u5ea6\u7684\u4fe1\u53f7\u5f3a\u5ea6\u6ee1\u8db3\u65e0\u4eba\u673a\u7ec8\u7aef\u63a5\u5165\u9700\u6c42\uff0c\u5e76\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5207\u6362\u9020\u6210\u7684\u901f\u7387\u4e0b\u964d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u6548\u679c<\/h3>\n\n\n\n<p>\u3000\u3000\u501f\u52a95G\u7f51\u7edc\u63d0\u4f9b\u7684\u5e7f\u8986\u76d6\u3001\u5927\u5e26\u5bbd\u3001\u4f4e\u65f6\u5ef6\u80fd\u529b\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u652f\u6491\u968f\u65f6\u968f\u5730\u8fdc\u63a7\u98de\u884c\u4ee5\u53ca4K\u9ad8\u6e05\u89c6\u9891\u56de\u4f20\u3002\u8fd9\u5bf9\u4e8e\u5e94\u6025\u901a\u4fe1\u3001\u5b89\u4fdd\u3001\u5de1\u68c0\u3001\u7269\u6d41\u3001\u519c\u6797\u7b49\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u798f\u5efa\u79fb\u52a8\u7684\u8bd5\u9a8c\u9a8c\u8bc1\u4e862.6G\u4e0e4.9G\u5728\u4f4e\u7a7a\u534f\u540c\u8986\u76d6\u7684\u53ef\u884c\u6027\uff0c\u4e3a\u540e\u7eed2.6G+4.9G\u534f\u540c\u4f4e\u7a7a\u8986\u76d6\u63d0\u4f9b\u4e86\u6307\u5bfc\u610f\u89c1\uff0c\u4f7f\u65e0\u4eba\u673a\u80fd\u591f\u5728\u5bc6\u96c6\u57ce\u533a\u3001\u666e\u901a\u57ce\u533a\u548c\u7a7a\u65f7\u533a\u57df\u8fdb\u884c\u9ad8\u6548\u98de\u884c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\uff0c\u5728300\u7c73\u53ca\u4ee5\u4e0b\u9ad8\u5ea6\uff0c\u516c\u7f51\u517c\u987e\u4f4e\u7a7a\u8986\u76d6\u4fe1\u53f7\u5f3a\u5ea6\u6ee1\u8db3\u65e0\u4eba\u673a\u7ec8\u7aef\u63a5\u5165\u9700\u6c42\uff0c\u901f\u7387\u7684\u7a81\u7136\u4e0b\u964d\u4e3b\u8981\u662f\u7531\u4e0d\u5fc5\u8981\u7684\u5207\u6362\u9020\u6210\u7684\u3002\u901a\u8fc7\u533a\u5206\u5730\u9762\u7528\u6237\u548c\u65e0\u4eba\u673a\u7528\u6237\uff0c\u5206\u522b\u914d\u7f6e\u4e13\u6709\u7684\u5207\u6362\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8bbe\u8ba1\u4e86\u4e1a\u754c\u7b2c\u4e00\u5f20\u9488\u5bf9\u65e0\u4eba\u673a\u98de\u884c\u7a7a\u57df\u8986\u76d6\u76845G\u7f51\u7edc\uff0c\u7a81\u7834\u4e86\u7a7a\u5730\u878d\u5408\u5171\u7f51\u6280\u672f\uff0c\u81ea\u4e3b\u7814\u53d1\u4e86\u7a7a\u4e2d\u5e72\u6270\u4f18\u5316\u65b9\u6cd5\u548c\u7a7a\u57df\u7f51\u7edc\u4fe1\u53f7\u6d4b\u91cf\u8bc4\u4f30\u6280\u672f\u3002<\/p>\n\n\n\n<h2 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