{"id":5637,"date":"2022-07-12T16:29:53","date_gmt":"2022-07-12T08:29:53","guid":{"rendered":"http:\/\/www.comtest.cn\/?p=5637"},"modified":"2022-07-12T16:39:10","modified_gmt":"2022-07-12T08:39:10","slug":"%e5%9f%ba%e5%b8%a6%e5%8d%95%e5%85%83bbu","status":"publish","type":"post","link":"http:\/\/www.comtest.cn\/?p=5637","title":{"rendered":"\u57fa\u5e26\u5355\u5143BBU"},"content":{"rendered":"<p>\u65e0\u7ebf\u7f51\u7edc\u521b\u65b0\u548c\u5bb9\u91cf\u9700\u6c42\u5c06\u65b0\u8702\u7a9d\u57fa\u7ad9\u7684\u90e8\u7f72\u901f\u5ea6\u63a8\u5411\u4e86\u524d\u6240\u672a\u6709\u7684\u6c34\u5e73\u3002\u4e0a\u5e02\u65f6\u95f4\u548c\u8fd0\u8425\u652f\u51fa\u7684\u9650\u5236\u8981\u6c42\u63d0\u9ad8\u6548\u7387\u548c\u8fdb\u5ea6\u7684\u53ef\u9884\u6d4b\u6027\u3002\u57fa\u5e26\u5355\u5143 (BBU) \u4eff\u771f\u4f7f\u79fb\u52a8\u8fd0\u8425\u5546\u80fd\u591f\u901a\u8fc7\u5728\u5b89\u88c5\u9636\u6bb5\u6d4b\u8bd5\u8fdc\u7a0b\u5c04\u9891\u5355\u5143 (RRU) \u6765\u7b80\u5316\u548c\u52a0\u901f\u591a\u9636\u6bb5\u8702\u7a9d\u57fa\u7ad9\u90e8\u7f72\u8fc7\u7a0b\u30025G \u65b0\u65e0\u7ebf\u7535 (NR) \u5f15\u5165\u4e86\u5206\u79bb\u5f0f BBU \u67b6\u6784\u3002VIAVI \u4e3a\u73b0\u573a\u3001\u5b9e\u9a8c\u5ba4\u548c\u5236\u9020\u8f66\u95f4\u63d0\u4f9b\u5148\u8fdb\u7684 BBU \u4eff\u771f\u89e3\u51b3\u65b9\u6848\u3002<\/p><h1 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u57fa\u5e26\u5355\u5143\uff1f&nbsp;<\/h1><p>\u57fa\u5e26\u5355\u5143 (BBU) \u662f\u7528\u4e8e\u5904\u7406\u57fa\u5e26\u4fe1\u53f7\u7684\u7535\u4fe1\u7f51\u7edc\u8bbe\u5907\u3002\u57fa\u5e26\u662f\u7528\u4e8e\u63cf\u8ff0\u8c03\u5236\u524d\u4f20\u8f93\u7684\u539f\u59cb\u9891\u7387\u7684\u672f\u8bed\u3002\u4f20\u7edf\u7684\u65e0\u7ebf\u63a5\u5165\u7f51\u7edc&nbsp;(RAN) \u7531\u8fde\u63a5\u5230\u4f4d\u4e8e\u5929\u7ebf\u9644\u8fd1\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u8fdc\u7a0b\u5c04\u9891\u5355\u5143 (RRU) \u7684 BBU \u7ec4\u6210\u3002<\/p><p>\u57fa\u5e26\u5355\u5143\u8d1f\u8d23\u901a\u8fc7\u7269\u7406\u63a5\u53e3\u4e0e\u6838\u5fc3\u7f51\u7edc\u901a\u4fe1\uff0c\u800c\u8fdc\u7a0b\u5c04\u9891\u5355\u5143\u5219\u6267\u884c\u53d1\u5c04\u548c\u63a5\u6536\u5c04\u9891\u529f\u80fd\u3002\u8fd9\u4e24\u4e2a\u5143\u4ef6\u901a\u5e38\u901a\u8fc7\u5149\u7ea4\u94fe\u63a5\u5728\u4e00\u8d77\u3002<\/p><p>\u96c6\u4e2d\u7684\u529f\u80fd\u548c\u8702\u7a9d\u5854\u5e95\u90e8\u7684\u56fa\u5b9a\u4f4d\u7f6e\u662f&nbsp;5G&nbsp;\u91cd\u65b0\u5b9a\u4e49\u7684\u4f20\u7edf BBU \u542b\u4e49\u7684\u4e00\u4e2a\u65b9\u9762\u3002\u4e0b\u4e00\u4ee3 RAN \u67b6\u6784\u5c06 BBU \u529f\u80fd\u5212\u5206\u4e3a\u7528\u4e8e\u5b9e\u65f6\u529f\u80fd\u7684\u5206\u5e03\u5f0f\u5355\u5143 (DU) \u548c\u7528\u4e8e\u975e\u5b9e\u65f6\u529f\u80fd\uff08\u5982\u65e0\u7ebf\u8d44\u6e90\u63a7\u5236\uff09\u7684\u96c6\u4e2d\u5f0f\u5355\u5143 (CU)\u30025G \u57fa\u5e26\u5355\u5143\u7684\u865a\u62df\u5316\u548c\u89e3\u805a\u589e\u52a0\u4e86\u5bb9\u91cf\u5e76\u51cf\u5c11\u4e86\u5ef6\u8fdf\u3002<\/p><h1 class=\"wp-block-heading\">\u57fa\u5e26\u5355\u5143\u662f\u505a\u4ec0\u4e48\u7684\uff1f<\/h1><p>RAN \u7531\u57fa\u5e26\u5904\u7406\u5355\u5143\u548c\u5c04\u9891\u5904\u7406\u5355\u5143\u7ec4\u6210\u3002\u57fa\u5e26\u5355\u5143\u5145\u5f53\u57fa\u7ad9\u7684\u96c6\u4e2d\u201c\u4e2d\u67a2\u201d\uff0c\u5904\u7406\u4e0a\u884c\u94fe\u8def\u548c\u4e0b\u884c\u94fe\u8def\u6570\u636e\u6d41\u91cf\uff0c\u5e76\u63a7\u5236 RRU \u529f\u80fd\u3002\u4f20\u7edf\u7684 BBU \u5305\u542b\u4e00\u4e2a\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668 (DSP)\uff0c\u7528\u4e8e\u6a21\u62df\u4fe1\u53f7\u548c\u6570\u5b57\u4fe1\u53f7\u7684\u76f8\u4e92\u8f6c\u6362\u3002<\/p><p>\u57fa\u5e26\u5355\u5143\u5b8c\u6210\u7684\u5176\u4ed6\u8fc7\u7a0b\u5305\u62ec\u62a5\u8b66\u76d1\u63a7\u548c\u7cfb\u7edf\u65f6\u949f\u540c\u6b65\u64cd\u4f5c\u3002BBU \u8fd8\u63a7\u5236\u7528\u6237\u6570\u636e\u7684\u4f20\u8f93\u3001\u4f1a\u8bdd\u7ba1\u7406\u548c\u5b9a\u4e49\u7528\u6237\u95f4\u901a\u4fe1\u94fe\u8def\u7684\u79fb\u52a8\u529f\u80fd\u3002<\/p><p>\u57fa\u7ad9\u67b6\u6784\u6700\u521d\u5c06 BBU \u548c RRU \u653e\u5728\u6570\u5b57\u548c\u65e0\u7ebf\u7535\u652f\u67b6\u4e0a\uff0c\u5171\u540c\u4f4d\u4e8e\u8702\u7a9d\u5854\u5e95\u90e8\u7684\u673a\u67dc\u6216\u5916\u58f3\u5185\u3002\u57fa\u7ad9\u901a\u8fc7\u5c04\u9891\u7535\u7f06\u8fde\u63a5\u5230\u5929\u7ebf\uff0c\u800c\u5c04\u9891\u7535\u7f06\u5bb9\u6613\u635f\u8017\u548c\u53d7\u5230\u5e72\u6270\u30022003 \u5e74\u53d1\u5e03\u7684\u516c\u5171\u65e0\u7ebf\u7535\u63a5\u53e3 (CPRI) \u534f\u8bae\u754c\u5b9a\u4e86 RRU \u548c BBU \u4e4b\u95f4\u7684\u4f20\u8f93\u548c\u8fde\u63a5\uff0c\u5141\u8bb8\u901a\u8fc7\u4e00\u6761\u524d\u4f20\u94fe\u8def\u5c06\u8fd9\u4e9b\u5143\u4ef6\u8fdb\u4e00\u6b65\u7269\u7406\u5206\u79bb\u3002<\/p><h1 class=\"wp-block-heading\">BBU \u7684\u6f14\u53d8<\/h1><p>\u81ea\u4ece 40 \u591a\u5e74\u524d\u7b2c\u4e00\u4e2a\u8702\u7a9d\u7f51\u7edc\u88ab\u5f15\u5165\u4ee5\u6765\uff0c\u57fa\u672c\u7684 RAN \u5143\u4ef6\u548c\u5b83\u4eec\u4e4b\u95f4\u7684\u63a5\u53e3\u4e00\u76f4\u5728\u4e0d\u65ad\u53d8\u5316\u3002\u6e90\u81ea LTE \u57fa\u5e26\u5355\u5143\u7684\u529f\u80fd\u5206\u79bb\u7ee7\u7eed\u968f\u7740&nbsp;3GPP TR 38.801&nbsp;\u5b9a\u4e49\u7684\u5206\u89e3 BBU \u67b6\u6784\u800c\u53d1\u5c55\u3002<\/p><h2 class=\"wp-block-heading\">4G \u57fa\u5e26\u67b6\u6784<\/h2><p>4G LTE \u7f51\u7edc\u4ee3\u8868\u4e86 BBU \u53d1\u5c55\u7684\u4e00\u4e2a\u91cd\u8981\u91cc\u7a0b\u7891\uff0c\u5f15\u5165\u4e86\u8fdc\u7a0b\u5c04\u9891\u5355\u5143 RRU\u3001\u524d\u4f20\u548c&nbsp;MIMO&nbsp;\u5929\u7ebf\u6765\u63d0\u9ad8\u5bb9\u91cf\u3002BBU RRH \u7ec4\u5408\u7684\u5206\u5e03\u5f0f RAN (D-RAN) \u67b6\u6784\u4f7f\u5f97\u5728\u5b8f\u57fa\u7ad9\u53d1\u5c04\u5854\u5e95\u5ea7\u90e8\u7f72\u57fa\u5e26\u5355\u5143\u6210\u4e3a\u4e86\u4e00\u79cd\u5f88\u666e\u904d\u7684\u505a\u6cd5\u3002\u8fd9\u4e00\u6982\u5ff5\u901a\u8fc7\u5f15\u5165\u96c6\u4e2d\u5f0f\u7684\u65e0\u7ebf\u63a5\u5165\u7f51 (C-RAN) \u5f97\u5230\u4e86\u6269\u5c55\uff0c\u8fdb\u4e00\u6b65\u5c06 BBU \u7684\u5b8c\u6574\u5f62\u5f0f\u4ece\u7269\u7406\u9650\u5236\u4e2d\u89e3\u653e\u51fa\u6765\u3002<\/p><h2 class=\"wp-block-heading\">5G \u57fa\u5e26\u67b6\u6784<\/h2><p>5G RAN \u901a\u8fc7\u5212\u5206 BBU \u529f\u80fd\u5c42\uff0c\u5c06\u7535\u4fe1\u7cfb\u7edf\u7684\u57fa\u5e26\u5355\u5143\u67b6\u6784\u63d0\u5347\u5230\u4e86\u4e00\u4e2a\u65b0\u7684\u5c42\u6b21\u3002DU \u4f4d\u4e8e\u6700\u9760\u8fd1 RRU (RU) \u7684\u4f4d\u7f6e\uff0c\u5e76\u901a\u8fc7\u524d\u4f20\u94fe\u8def\u4e0e\u5176\u8fde\u63a5\u3002\u8fde\u63a5 DU \u548c CU \u7684\u65b0\u7684\u57fa\u4e8e\u5206\u7ec4\u7684\u5149\u7ea4\u94fe\u8def\u88ab\u79f0\u4e3a\u201c\u4e2d\u4f20\u201d\u3002\u968f\u7740\u5904\u7406\u5668\u5bc6\u96c6\u578b\u7684\u975e\u5b9e\u65f6\u529f\u80fd\u8f6c\u79fb\u5230\u66f4\u8fdc\u7a0b\u3001\u66f4\u96c6\u4e2d\u7684 CU\uff0c\u8d44\u6e90\u5229\u7528\u7387\u5f97\u5230\u4f18\u5316\uff0c\u6d41\u91cf\u7684\u8def\u7531\u6548\u7387\u4e5f\u66f4\u9ad8\u3002<\/p><p>RAN \u865a\u62df\u5316\u8fd8\u80fd\u5b9e\u73b0\u57fa\u4e8e 5G \u7528\u4f8b\u5b9a\u5236 DU \u548c CU \u4e4b\u95f4\u7684\u529f\u80fd\u5212\u5206\u3002\u5f00\u653e\u5f0f RAN (O-RAN) \u901a\u8fc7\u5b9a\u4e49\u6765\u81ea\u4e0d\u540c\u4f9b\u5e94\u5546\u7684\u5f00\u653e\u5f0f\u5206\u5e03\u5f0f\u5355\u5143 (O-DU)\u3001\u5f00\u653e\u5f0f\u96c6\u4e2d\u5f0f\u5355\u5143 (O-CU) \u548c\u5f00\u653e\u5f0f\u65e0\u7ebf\u7535\u5355\u5143 (O-RU) \u4e4b\u95f4\u7684\u4f20\u8f93\u7ea6\u5b9a\uff0c\u4f7f\u5206\u79bb\u67b6\u6784\u671d\u7740\u66f4\u597d\u7684\u4e92\u64cd\u4f5c\u6027\u65b9\u5411\u53d1\u5c55\u3002\u540c\u65f6\uff0c\u57fa\u4e8e\u5206\u7ec4\u7684\u5f00\u653e\u5f0f&nbsp;eCPRI&nbsp;\u63a5\u53e3\u7b80\u5316\u4e86 DU \u548c RU \u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u53d6\u4ee3\u4e86\u6548\u7387\u8f83\u4f4e\u7684 CPRI \u4e32\u884c\u4f20\u8f93\u6a21\u5f0f\u3002&nbsp;<\/p><h1 class=\"wp-block-heading\">BBU \u7684\u529f\u80fd\u662f\u4ec0\u4e48\uff1f<\/h1><p>\u5728\u5206\u79bb RAN \u67b6\u6784\u6a21\u578b\u4e2d\uff0c\u5206\u914d\u7ed9 CU \u548c DU \u7684\u529f\u80fd\u7531 OSI \u5c42\u7684\u5212\u5206\u5b9a\u4e49\u3002\u8be5\u6a21\u578b\u901a\u8fc7\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u8d1f\u8f7d\u7ba1\u7406\u3001\u7528\u4f8b\u4f18\u5316\u548c\u53ef\u6269\u5c55\u6027\u6765\u8865\u5145 5G\u3002\u5bf9\u4e8e\u5177\u6709\u9ad8\u5e26\u5bbd\u9700\u6c42\u548c\u56fa\u5b9a\u7528\u6237\u4f4d\u7f6e\u7684\u60c5\u51b5\uff0c\u4e5f\u53ef\u4ee5\u5c06 CU\/DU \u529f\u80fd\u79fb\u81f3\u9760\u8fd1\u65e0\u7ebf\u7535\u5355\u5143 (RU) \u7684\u4f4d\u7f6e\u3002<\/p><div class=\"wp-block-image is-style-default\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/functional_split_options-zh.png\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"442\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/functional_split_options-zh.png\" alt=\"\" class=\"wp-image-5638\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/functional_split_options-zh.png 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/functional_split_options-zh-300x221.png 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/functional_split_options-zh-64x47.png 64w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure><\/div><p>VIAVI&nbsp;TeraVM O-CU Test DU Sim&nbsp;\u5c06 O-DU \u4eff\u771f\u7684\u597d\u5904\u5e26\u5230\u4e86\u5b9e\u9a8c\u5ba4\u6216\u751f\u4ea7\u8f66\u95f4\uff0c\u4f7f\u8bbe\u5907\u5f00\u53d1\u5546\u548c\u5236\u9020\u5546\u80fd\u591f\u901a\u8fc7\u53ef\u6269\u5c55\u7684\u6d41\u91cf\u8d1f\u8f7d\u51c6\u786e\u6a21\u62df\u5404\u79cd\u5f00\u653e\u5f0f RU (O-RU) \u548c\u7528\u6237\u8bbe\u5907 (UE) \u914d\u7f6e\u6587\u4ef6\u3002TeraVM \u8fd8\u5305\u62ec\u7b26\u5408\u6700\u65b0 3GPP \u548c O-RAN \u6807\u51c6\u7684 O-CU \u73af\u7ed5\u6d4b\u8bd5\u3002<\/p><h1 class=\"wp-block-heading\">\u5b89\u88c5\u8702\u7a9d\u57fa\u7ad9\u65f6\u8fdb\u884c\u4eff\u771f\u7684\u91cd\u8981\u6027<\/h1><p>\u968f\u7740\u5bb9\u91cf\u9700\u6c42\u548c\u8bbe\u5907\u4f20\u64ad\u7684\u589e\u52a0\uff0c\u79fb\u52a8\u8fd0\u8425\u5546\u9762\u4e34\u7740\u9ad8\u6548\u90e8\u7f72\u65b0\u8702\u7a9d\u57fa\u7ad9\u7684\u6311\u6218\u3002\u5b89\u88c5\u3001\u8c03\u8bd5\u548c\u73b0\u573a\u8c03\u6574\u9636\u6bb5\u90fd\u9700\u8981\u5e7f\u6cdb\u7684\u6280\u672f\u8d44\u6e90\u548c\u4e13\u4e1a\u77e5\u8bc6\u6765\u8fdb\u884c\u65bd\u5de5\u3001\u9a8c\u8bc1\u548c\u6545\u969c\u6392\u67e5\u3002\u65b0\u7684\u65e0\u7ebf\u7535\u8bbe\u5907\u548c\u5929\u7ebf\u5728\u5b89\u88c5\u9636\u6bb5\u5b89\u88c5\u5230\u5854\u4e0a\uff0c\u4f46\u5728 BBU \u6216 DU \u5c31\u4f4d\u4e4b\u524d\u65e0\u6cd5\u5b8c\u6210\u5176\u529f\u80fd\u6d4b\u8bd5\u3002<\/p><div class=\"wp-block-image is-style-default\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/installingcellsites-zh.png\"><img decoding=\"async\" width=\"1000\" height=\"563\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/installingcellsites-zh.png\" alt=\"\" class=\"wp-image-5639\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/installingcellsites-zh.png 1000w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/installingcellsites-zh-300x169.png 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/installingcellsites-zh-768x432.png 768w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/installingcellsites-zh-600x338.png 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/installingcellsites-zh-64x36.png 64w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure><\/div><p>\u57fa\u5e26\u5355\u5143\u4eff\u771f\u901a\u8fc7\u4f7f\u7528\u5148\u8fdb\u7684\u6d4b\u8bd5\u8bbe\u5907\u6a21\u62df BBU \u4f20\u8f93\u548c RRU \u901a\u4fe1\uff0c\u5728\u6ca1\u6709\u7ecf\u8fc7\u8c03\u8bd5\u7684 BBU \u7684\u60c5\u51b5\u4e0b\uff0c\u4e3a\u8702\u7a9d\u57fa\u7ad9\u90e8\u7f72\u63d0\u4f9b\u4e86\u66f4\u6709\u6548\u7684\u5e76\u884c\u65b9\u6cd5\u3002\u5728\u8fdb\u5165\u57fa\u7ad9\u90e8\u7f72\u7684\u8c03\u8bd5\u9636\u6bb5\u4e4b\u524d\uff0c\u8fdc\u7a0b\u5c04\u9891\u5934 (RRH) \u914d\u7f6e\u3001\u4fe1\u53f7\u8d28\u91cf\u3001\u94fe\u8def\u72b6\u6001\u548c\u5929\u7ebf\u503e\u659c\u90fd\u7ecf\u8fc7\u9a8c\u8bc1\uff0c\u56e0\u6b64\u53ef\u4ee5\u6781\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u5371\u9669\u7684\u6500\u767b\u53d1\u5c04\u5854\u7684\u6b21\u6570\u3002<\/p><p>\u8fd9\u79cd RRU \u6d4b\u8bd5\u65b9\u6cd5\u901a\u8fc7\u6781\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u4e0a\u95e8\u670d\u52a1\u548c\u5f00\u901a\u524d\u4e0d\u53ef\u9884\u89c1\u7684\u95ee\u9898\uff0c\u964d\u4f4e\u4e86\u8fd0\u8425\u652f\u51fa\u3002\u7531\u4e8e\u53d1\u5c04\u5854\u5b89\u88c5\u8bbe\u5907\u548c\u4eba\u5458\u4ecd\u5728\u57fa\u7ad9\u8fdb\u884c\u4efb\u4f55\u8c03\u6574\u6216\u6545\u969c\u6392\u67e5\uff0c\u5e73\u5747\u7ef4\u4fee\u65f6\u95f4 (MTTR) \u5f97\u4ee5\u7f29\u77ed\uff0c\u5e76\u4e14\u53ef\u4ee5\u653e\u5fc3\u5730\u5bf9\u8702\u7a9d\u57fa\u7ad9\u5b89\u88c5\u8fdb\u884c\u8ba4\u8bc1\u3002\u7528\u786c\u4ef6\u548c\u6027\u80fd\u7684\u201c\u6700\u7ec8\u786e\u8ba4\u201d\u4ee3\u66ff\u201c\u8bca\u65ad\u548c\u4fee\u590d\u201d\uff0c\u6781\u5927\u9650\u5ea6\u5730\u7f29\u77ed\u6216\u6d88\u9664\u4e86\u7ad9\u70b9\u8c03\u4f18\u9636\u6bb5\u3002<\/p><div class=\"wp-block-image is-style-default\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/celladvisor_bbu_emulation-zh.png\"><img decoding=\"async\" width=\"1000\" height=\"563\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/celladvisor_bbu_emulation-zh.png\" alt=\"\" class=\"wp-image-5640\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/celladvisor_bbu_emulation-zh.png 1000w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/celladvisor_bbu_emulation-zh-300x169.png 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/celladvisor_bbu_emulation-zh-768x432.png 768w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/celladvisor_bbu_emulation-zh-600x338.png 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/07\/celladvisor_bbu_emulation-zh-64x36.png 64w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure><\/div><h1 class=\"wp-block-heading\">\u4eff\u771f\u9762\u4e34\u7684\u6311\u6218<\/h1><p>BBU \u4eff\u771f\u5fc5\u987b\u7ee7\u7eed\u53d1\u5c55\uff0c\u5e76\u4e0e 5G \u5e94\u7528\u5e26\u6765\u7684\u65b0\u57fa\u5e26\u7279\u6027\u548c\u529f\u80fd\u4fdd\u6301\u540c\u6b65\u3002\u6bcf\u4e2a\u57fa\u5e26\u5355\u5143\u914d\u7f6e\u90fd\u5f15\u5165\u4e86\u72ec\u7279\u7684\u8981\u4eff\u771f\u7684\u53d8\u91cf\u3002\u73b0\u6709 BBU \u5916\u5f62\u89c4\u683c\u7684\u5e7f\u5ea6\u4ee5\u53ca\u865a\u62df\u5316\u548c\u5206\u89e3\u7684\u8d8b\u52bf\u7ed9\u6267\u884c BBU \u4eff\u771f\u7684\u6d4b\u8bd5\u8bbe\u5907\u548c\u6280\u672f\u4eba\u5458\u5e26\u6765\u4e86\u6311\u6218\u3002&nbsp;<\/p><p>\u8fd9\u4e9b\u6311\u6218\u5305\u62ec\u66f4\u5feb\u7684\u7ebf\u901f\u7387\u3001\u5e7f\u6cdb\u7684\u6f5c\u5728 CU\/DU \u914d\u7f6e\uff0c\u4ee5\u53ca\u50cf\u5355\u4e00\u5929\u7ebf\u901a\u8fc7\u8ba4\u8bc1\u4e00\u6837\u5bf9\u00a0MIMO \u6027\u80fd\u548c\u8c03\u4f18\u8fdb\u884c\u9ad8\u6548\u9a8c\u8bc1\u7684\u8981\u6c42\u3002\u4e0b\u4e00\u4ee3 RAN \u589e\u52a0\u4e86 RU \u7684\u590d\u6742\u6027\uff0c\u5e76\u7ed9\u8c03\u8bd5\u548c\u8c03\u4f18\u8fc7\u7a0b\u5e26\u6765\u4e86\u65b0\u7684\u8981\u6c42\u3002<a href=\"http:\/\/www.comtest.com.cn\/?product=5800-100g\" target=\"_blank\" rel=\"noreferrer noopener\">VIAVI\u00a0MTS-5800 \u624b\u6301\u5f0f\u7f51\u7edc\u6d4b\u8bd5\u4eea<\/a>\u662f\u4e00\u6b3e\u7d27\u51d1\u4e14\u7528\u6237\u53cb\u597d\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u7528\u4e8e\u4eff\u771f\u4f20\u7edf\u548c\u65b0\u5174\u57fa\u5e26\u5355\u5143\u67b6\u6784\u3002<\/p><h1 class=\"wp-block-heading\">BBU \u4eff\u771f\u7684\u4f18\u52bf&nbsp;<\/h1><p>BBU \u4eff\u771f\u7684\u4f18\u52bf\u5e76\u4e0d\u9650\u4e8e\u63d0\u9ad8\u6548\u7387\u548c\u51cf\u5c11\u603b\u4f53\u90e8\u7f72\u65f6\u95f4\uff0c\u800c\u662f\u6269\u5c55\u5230\u5728\u6d3b\u52a8\u7f51\u7edc\u7684\u6574\u4e2a\u751f\u547d\u5468\u671f\u4e2d\u6539\u8fdb\u5176\u53ef\u89c1\u6027\u548c\u6545\u969c\u6392\u67e5\u3002\u901a\u8fc7\u7b80\u5316\u8c03\u8bd5\u9636\u6bb5\u5e76\u51e0\u4e4e\u7701\u53bb\u4e86\u8c03\u4f18\u9636\u6bb5\uff0cBBU \u4eff\u771f\u5927\u5927\u964d\u4f4e\u4e86\u8fd0\u8425\u652f\u51fa\u548c\u4e0a\u5e02\u65f6\u95f4\u3002\u4eff\u771f\u4e5f\u6210\u4e3a\u57fa\u7ad9\u7ef4\u62a4\u548c\u6545\u969c\u6392\u67e5\u7684\u91cd\u8981\u5de5\u5177\u3002&nbsp;<\/p><h2 class=\"wp-block-heading\">\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u7684\u4eff\u771f<\/h2><p>BBU \u4eff\u771f\u53ef\u7528\u4e8e\u9a8c\u8bc1\u5230\u8fdc\u7a0b\u5c04\u9891\u5934\u7684\u5149\u7ea4\u94fe\u8def\u8fde\u63a5\uff0c\u4ee5\u53ca\u4ece RRU \u5230\u5929\u7ebf\u7684\u540c\u8f74\u7535\u7f06\u8fde\u63a5\u3002\u53ef\u4ee5\u9a8c\u8bc1\u5149\u529f\u7387\u3001IQ \u57fa\u5e26\u6570\u636e\u5b8c\u6574\u6027\u4ee5\u53ca CPRI\/eCPRI \u94fe\u8def\u7684\u914d\u7f6e\u3002<a href=\"http:\/\/www.comtest.com.cn\/?product=oneadvisor-800\" target=\"_blank\" rel=\"noreferrer noopener\">OneAdvisor-800\u00a0\u8702\u7a9d\u57fa\u7ad9<\/a>\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u8fd8\u53ef\u901a\u8fc7\u00a0<a href=\"http:\/\/www.comtest.com.cn\/?product=p5000i\" target=\"_blank\" rel=\"noreferrer noopener\">P5000i<\/a> \u663e\u5fae\u955c\u8fdb\u884c\u7a7a\u4e2d (OTA) \u6d4b\u91cf\u548c\u5149\u7ea4\u7aef\u90e8\u68c0\u67e5\u3002<\/p><p>\u5728\u5b89\u88c5\u9636\u6bb5\u53ef\u4ee5\u6267\u884c\u7684\u5176\u4ed6\u6709\u4ef7\u503c\u7684\u6d4b\u8bd5\u5305\u62ec\u8bc6\u522b\u5185\u90e8\u6216\u5916\u90e8\u5e72\u6270\u6e90\u7684\u5c04\u9891\u5e72\u6270\u6d4b\u8bd5\uff0c\u4ee5\u53ca\u5b9a\u4f4d\u4efb\u4f55\u6709\u7f3a\u9677\u7684\u8fde\u63a5\u5668\u3001\u5929\u7ebf\u6216\u5176\u4ed6\u673a\u68b0\u7ec4\u4ef6\u7684\u65e0\u6e90\u4e92\u8c03 (PIM) \u6d4b\u8bd5\u3002<\/p><h2 class=\"wp-block-heading\">\u90e8\u7f72\u540e\u7684\u4eff\u771f<\/h2><p>BBU \u4eff\u771f\u5bf9\u4e8e\u5df2\u90e8\u7f72\u7684\u7f51\u7edc\u6765\u8bf4\u4e5f\u662f\u540c\u6837\u76f8\u5173\u7684\u6d4b\u8bd5\u80fd\u529b\u3002\u5f53\u6000\u7591\u5b58\u5728\u95ee\u9898\u65f6\uff0c\u66f4\u6362\u8fdc\u7a0b\u5c04\u9891\u5934\u6216\u5bf9\u5176\u8fdb\u884c\u6545\u969c\u6392\u67e5\u53ef\u80fd\u662f\u4e00\u4e2a\u590d\u6742\u4e14\u8017\u65f6\u7684\u8fc7\u7a0b\u3002\u4f7f\u7528\u4eff\u771f\uff0c\u53ef\u4ee5\u7cfb\u7edf\u5730\u5c06 RU \u4ece\u7f51\u7edc\u4e2d\u79fb\u9664\uff0c\u5e76\u786e\u8ba4\u6216\u6392\u9664 RU \u4f5c\u4e3a\u6545\u969c\u6e90\uff0c\u4ece\u800c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u66f4\u6362\u6216\u8bca\u65ad\u3002\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 BBU \u4eff\u771f\u63a8\u52a8\u529f\u80fd\u6d4b\u8bd5\u6765\u652f\u6301\u5b9a\u671f RRU \u7ef4\u62a4\u3002<\/p><h1 class=\"wp-block-heading\">BBU \u548c RRU \u6709\u4ec0\u4e48\u4e0d\u540c\uff1f<\/h1><p>RRU \u4e5f\u79f0\u4e3a\u8fdc\u7a0b\u5c04\u9891\u5934 (RRH)\uff0c\u4e0e BBU \u6709\u7740\u5185\u5728\u7684\u8054\u7cfb\uff0c\u5c3d\u7ba1\u65e0\u7ebf\u57fa\u7ad9\u5728\u7269\u7406\u4e0a\u662f\u5206\u79bb\u7684\u3002\u6bcf\u4e2a RRU \u5305\u62ec\u5355\u72ec\u7684\u53d1\u9001\u548c\u63a5\u6536\u7535\u8def\u3002\u5f53\u4ece\u9644\u8fd1\u7684\u5929\u7ebf\u63a5\u6536\u5230\u4fe1\u53f7\u65f6\uff0c\u4fe1\u53f7\u7ecf\u8fc7\u6ee4\u6ce2\u3001\u653e\u5927\u5e76\u8f6c\u6362\u4e3a\u6570\u5b57\u683c\u5f0f\uff0c\u7136\u540e\u901a\u8fc7\u5149\u7ea4\u8def\u7531\u5230 BBU\u3002\u76f8\u53cd\uff0c\u6765\u81ea BBU \u7684\u6570\u5b57\u4fe1\u53f7\u5148\u8f6c\u6362\u6210\u5c04\u9891\uff0c\u7136\u540e\u518d\u653e\u5927\u5e76\u53d1\u9001\u5230\u5929\u7ebf\u8fdb\u884c\u4f20\u8f93\u3002<\/p><p>\u4e0e\u57fa\u5e26\u5355\u5143\u4e0d\u540c\uff0c\u653e\u5728\u5854\u9876\u5bf9 RRU \u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u4e0e BBU \u6216 CU\/DU \u7ec4\u5408\u7684\u5904\u7406\u529f\u80fd\u76f8\u6bd4\uff0cRRU \u7684\u529f\u80fd\u4e0e\u5929\u7ebf\u6027\u80fd\u66f4\u7d27\u5bc6\u5730\u8054\u7cfb\u5728\u4e00\u8d77\u3002\u4ece 4G \u5f00\u59cb\uff0cBBU \u673a\u67dc\u548c\u8702\u7a9d\u5854\u9876\u90e8\u7684 RRU \u4e4b\u95f4\u7684\u6709\u9650\u5206\u79bb\u73b0\u5728\u5df2\u7ecf\u6269\u5927\u3002BBU \u73b0\u5728\u6b63\u5728\u62c6\u5206\uff0c\u5b83\u4eec\u7684\u5fc5\u8981\u5143\u4ef6\u8981\u4e48\u4f4d\u4e8e\u8fdc\u7a0b\u4f4d\u7f6e\uff0c\u8981\u4e48\u5408\u5e76\u5728\u4e00\u8d77\uff0c\u5f80\u5f80\u8ddd\u79bb RRU \u6709\u6570\u5343\u7c73\u4e4b\u9065\u3002<\/p><h1 class=\"wp-block-heading\">BBU \u4eff\u771f\u7684\u672a\u6765<\/h1><p>\u968f\u7740\u4f20\u7edf\u57fa\u7ad9\u89e3\u6784\uff0c\u8702\u7a9d\u57fa\u7ad9\u90e8\u7f72\u7684\u8fdb\u5ea6\u538b\u529b\u589e\u52a0\u3002\u5305\u542b DU \u6216 O-DU \u4eff\u771f\u7684\u65b0 RAN \u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u5fc5\u987b\u9ad8\u5ea6\u54cd\u5e94\u4e0d\u65ad\u53d1\u5c55\u7684 5G \u6807\u51c6\u548c\u57fa\u7840\u8bbe\u65bd\u3002\u8fd9\u5305\u62ec\u5728\u65e0\u7ebf\u7535\u5355\u5143\u4e2d\u96c6\u6210\u6570\u5b57 I\/O\uff0c\u91c7\u7528 eCPRI\uff0c\u4ee5\u53ca\u6ce2\u675f\u6210\u5f62\u548c\u5927\u89c4\u6a21 MIMO \u7684\u5e7f\u6cdb\u90e8\u7f72\u3002<\/p><p>\u5c3d\u7ba1\u5f00\u653e\u5f0f RAN&nbsp;\u63a8\u52a8\u4e86 RU\u3001CU \u548c DU \u4f9b\u5e94\u5546\u4e9f\u9700\u7684\u6807\u51c6\u5316\uff0c\u4f46\u4e92\u64cd\u4f5c\u6027\u95ee\u9898\u5c06\u4e0d\u53ef\u907f\u514d\u5730\u4f7f\u4eff\u771f\u5b9e\u8df5\u590d\u6742\u5316\u3002\u8fd9\u4e00\u65b0\u73b0\u5b9e\u51f8\u663e\u4e86\u57fa\u5e26\u5355\u5143\u4eff\u771f\u7684\u4ef7\u503c\u3002\u5728 5G RAN \u786c\u4ef6\u548c\u8f6f\u4ef6\u5f00\u53d1\u4ee5\u53ca\u73b0\u573a\u5b89\u88c5\u548c\u8c03\u8bd5\u671f\u95f4\uff0c\u8282\u7701\u6210\u672c\u548c\u65f6\u95f4\u7684\u673a\u4f1a\u6bd4\u6bd4\u7686\u662f\u3002<\/p><p>\u5728\u6574\u4e2a\u5f00\u53d1\u5468\u671f\u4e2d\u4eff\u771f\u6240\u6709\u5f00\u653e\u5f0f RAN 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