{"id":152,"date":"2018-07-27T11:09:19","date_gmt":"2018-07-27T03:09:19","guid":{"rendered":"http:\/\/www.xzclass.com\/?p=152"},"modified":"2022-03-01T15:01:44","modified_gmt":"2022-03-01T07:01:44","slug":"wi-fi%e7%a9%b6%e7%ab%9f%e6%98%af%e6%80%8e%e4%b9%88%e6%9d%a5%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.xzclass.com\/?p=152","title":{"rendered":"Wi-Fi\u7a76\u7adf\u662f\u600e\u4e48\u6765\u7684\uff1f"},"content":{"rendered":"
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19\u4e16\u7eaa\u672b\uff0c\u4eba\u7c7b\u53d1\u660e\u4e86\u65e0\u7ebf\u7535\u62a5\uff0c\u4ece\u6b64\uff0c\u5f00\u542f\u4e86\u5bf9\u65e0\u7ebf\u7535\u4e16\u754c\u7684\u63a2\u7d22\u3002<\/span><\/p>\n


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\u5f53\u65f6\u7684\u65e0\u7ebf\u7535\u62a5\u673a\uff0c\u91c7\u7528\u7684\u662f\u706b\u82b1\u9699\u5f0f\u53d1\u5c04\u673a\uff08spark-gap transmitter\uff09\uff0c\u4e3b\u8981\u7528\u6765\u4f20\u9001\u6469\u5c14\u65af\u7535\u7801\u3002<\/span><\/p>\n


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<\/span>\u65e9\u671f\u7684\u65e0\u7ebf\u7535\u62a5\u673a\uff0c\u5de6\u4e0b\u89d2\u662f\u6469\u5c14\u65af\u7535\u7801\u7684\u8bbe\u8ba1<\/span><\/p>\n

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\u8fd9\u79cd\u7535\u62a5\u673a\u4e0d\u80fd\u540c\u65f6\u63a5\u6536\u548c\u53d1\u9001\u3002\u6240\u4ee5\uff0c\u7535\u62a5\u5458\u53ea\u6709\u5148\u542c\uff0c\u7136\u540e\u624d\u80fd\u53d1\u9001\u4fe1\u53f7\u3002<\/span><\/p>\n


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\u540e\u6765\uff0c\u65e0\u7ebf\u7535\u5e7f\u64ad\u5f00\u59cb\u5174\u8d77\u3002\u8fd9\u662f\u65e0\u7ebf\u6280\u672f\u7684\u53c8\u4e00\u4e2a\u91cd\u8981\u5e94\u7528\u3002<\/span><\/p>\n


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\u4e16\u754c\u4e0a\u7b2c\u4e00\u4e2a\u5e7f\u64ad\u7535\u53f0<\/span><\/p>\n

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\u53ef\u662f\uff0c\u968f\u7740\u5e7f\u64ad\u548c\u7535\u53f0\u7684\u4e0d\u65ad\u589e\u52a0\uff0c\u65e0\u7ebf\u5e72\u6270\u8d8a\u6765\u8d8a\u4e25\u91cd\u3002<\/span><\/p>\n

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\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u653f\u5e9c\u5f00\u59cb\u4ecb\u5165\uff0c\u5bf9\u65e0\u7ebf\u5e7f\u64ad\u8fdb\u884c\u7ba1\u5236\uff0c\u5bf9\u65e0\u7ebf\u7535\u9891\u7387\u4f7f\u7528\u8fdb\u884c\u7edf\u4e00\u7ba1\u7406\u3002<\/span><\/p>\n

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\u8fd9\u5c31\u662f\u9891\u8c31\u6388\u6743\u5236\u5ea6<\/strong>\u7684\u7531\u6765\u3002<\/span><\/p>\n

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1970\u5e74\u4ee3\u901a\u4fe1<\/span>\uff0c\u9891\u8c31\u6388\u6743\u8303\u56f4\u6269\u5927\u5230\u8702\u7a9d\u79fb\u52a8\u901a\u4fe1\u9886\u57df\uff0c<\/span>\u65e0\u7ebf\u7535\u9891\u8c31\u4e5f\u5f00\u59cb\u88ab\u4e25\u683c\u7ba1\u5236\u3002<\/span><\/p>\n

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\u5f53\u65f6\uff0c\u5728\u7f8e\u56fd\uff0c\u8d1f\u8d23\u5bf9\u9891\u8c31\u8fdb\u884c\u7ba1\u7406\u6388\u6743\u7684\uff0c\u662fFCC\uff08\u7f8e\u56fd\u8054\u90a6\u901a\u4fe1\u59d4\u5458\u4f1a\uff09\u3002<\/span><\/p>\n


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<\/span>FCC\u7684\u6807\u5fd7<\/span><\/p>\n

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\u8fdb\u516580\u5e74\u4ee3\u540e\uff0c\u968f\u7740\u5fae\u7535\u8def\u548c\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u7b49\u6280\u672f\u7684\u8fc5\u901f\u53d1\u5c55\uff0c\u65e0\u7ebf\u6280\u672f\u7a81\u98de\u731b\u8fdb\uff0c\u65b0\u7684\u65e0\u7ebf\u8bbe\u5907\u4e0d\u65ad\u88ab\u53d1\u660e\u51fa\u6765\u3002\u4f46\u662f\uff0c\u53d7\u9650\u4e8e\u9891\u8c31\u9650\u5236\uff0c\u8fd9\u4e9b\u8bbe\u5907\u65e0\u6cd5\u5728\u884c\u4e1a\u4e2d\u7075\u6d3b\u4f7f\u7528\u3002<\/span><\/p>\n

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\u8fd9\u4e2a\u65f6\u5019\uff0c\u5173\u952e\u4eba\u7269\u51fa\u73b0\u4e86\u2014\u2014\u4ed6\u5c31\u662f\u8fc8\u514b\u5c14\u00b7\u9a6c\u5e93\u65af<\/strong>\uff08Michael Marcus\uff0c\u540e\u6765\u88ab\u79f0\u4e3a\u201cWiFi\u6559\u7236\u201d\uff09\u3002<\/span><\/p>\n


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\u9a6c\u5e93\u65af\u5f53\u65f6\u53ea\u662fFCC\u7684\u4e00\u540d\u666e\u901a\u5de5\u7a0b\u5e08\u3002<\/span><\/p>\n


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\u6709\u4e00\u5929\uff0c\u4ed6\u5411\u4ed6\u7684\u9886\u5bfc\u63d0\u4e86\u4e00\u4e2a\u5efa\u8bae\uff1a\u5e0c\u671b\u53ef\u4ee5\u89c4\u5b9a\u4e00\u4e9b\u672a\u6388\u6743\u9891\u8c31\uff0c\u7528\u4e8e\u884c\u4e1a\u4e2d\u4f7f\u7528\uff0c\u5e76\u9002\u5f53\u589e\u52a0\u8fd9\u4e9b\u672a\u6388\u6743\u9891\u8c31\u8bbe\u5907\u7684\u53d1\u5c04\u529f\u7387\uff0c\u4f7f\u4e4b\u53ef\u4ee5\u8986\u76d6\u51e0\u5341\u5230\u51e0\u767e\u7c73\u7684\u8303\u56f4\u3002\u5982\u679c\u8fd9\u6837\u505a\uff0c\u6709\u5229\u4e8e\u6fc0\u52b1\u79d1\u6280\u4f01\u4e1a\u505a\u51fa\u66f4\u591a\u7684\u521b\u65b0\uff0c\u5e26\u6765\u66f4\u591a\u7684\u7ecf\u6d4e\u6548\u76ca\u3002<\/span><\/p>\n


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FCC\u91c7\u7eb3\u4e86\u4ed6\u7684\u5efa\u8bae\uff0c\u5e76\u5411\u793e\u4f1a\u5404\u754c\u5f81\u6c42\u610f\u89c1\u3002\u4e0d\u8fc7\uff0c\u5f97\u5230\u7684\u662f\u5b8c\u5168\u4e0d\u8d1f\u8d23\u4efb\u7684\u53cd\u9988\uff1a<\/span><\/p>\n


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\n

\u53ea\u8981\u4e0d\u5360\u7528\u6211\u7684\u9891\u6bb5\uff0c\u968f\u4fbf\u4f60\u4eec\u600e\u4e48\u73a9\uff01<\/span><\/p>\n<\/blockquote>\n


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\u8fd9\u4e8b\u4e0d\u597d\u529e\uff0c\u8c01\u4e5f\u4e0d\u60f3\u628a\u81ea\u5df1\u624b\u4e0a\u7684\u9891\u6bb5\u653e\u51fa\u6765\u3002<\/span><\/p>\n


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FCC\u53ea\u80fd\u201c\u673a\u667a\u201d\u7684\u91ca\u653e\u51fa\u4e09\u4e2a\u6839\u672c\u4e0d\u53d7\u6b22\u8fce\u7684\u201c\u5783\u573e\u9891\u6bb5\u201d\u3002<\/span>\u8fd9\u4e9b\u9891\u6bb5\uff0c\u5c31\u662f\u6211\u4eec\u73b0\u5728\u7ecf\u5e38\u63d0\u5230\u7684ISM\u9891\u6bb5<\/strong>\u3002<\/span><\/p>\n


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\u8fd9\u4e9b\u9891\u6bb5\u4e3b\u8981\u662f\u5f00\u653e\u7ed9\u5de5\u4e1a\u3001\u79d1\u5b66\u3001\u533b\u5b66\u4e09\u4e2a\u9886\u57df\u4f7f\u7528\uff0c\u5c5e\u4e8eFree License\uff08\u514d\u8d39\u6388\u6743\uff09\uff0c\u6240\u4ee5\u4e5f\u79f0\u4e3a\u201c\u975e\u6388\u6743\u9891\u8c31\u201d\u3002<\/span><\/p>\n


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\u5176\u65f6\uff0c\u8fd9\u4e9b\u201cISM\u9891\u6bb5\u201d\u5f53\u65f6\u5747\u672a\u7528\u4e8e\u901a\u4fe1\uff0c\u800c\u662f\u7528\u4e8e\u5176\u5b83\u5e94\u7528\uff0c\u6bd4\u5982\u5fae\u6ce2\u70e4\u7bb1\u3002<\/span><\/p>\n


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\u5728\u8bbe\u5907\u53d1\u5c04\u529f\u7387\u65b9\u9762\uff0cFCC\u89c4\u5b9a\u8fd9\u4e9b\u65b0\u514d\u6388\u6743\u9891\u6bb5\u7684\u8bbe\u5907\u53d1\u5c04\u529f\u7387\u53ef\u8fbe\u52301W\u3002<\/span><\/p>\n


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\u8c01\u4e5f\u6ca1\u6709\u60f3\u5230\uff0c\u5c31\u662f\u8fd91W\uff0c\u6210\u5c31\u4e86\u4eca\u5929\u7684WiFi\uff0c\u84dd\u7259\uff0cZigBee\u7b49\u5404\u79cd\u77ed\u8ddd\u79bb\u901a\u4fe1\u6280\u672f\u3002<\/span><\/p>\n


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\u4e3a\u4e86\u907f\u514d\u8bbe\u5907\u95f4\u5e72\u6270\uff0cFCC\u8fd8\u8981\u6c42\u8fd9\u4e9b\u65b0\u514d\u6388\u6743\u9891\u6bb5\u7684\u4ea7\u54c1\u4f7f\u7528\u6269\u9891\u6280\u672f<\/strong>\u3002<\/span><\/p>\n


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\u6240\u8c13\u6269\u9891\u6280\u672f\uff0c\u5c31\u662f\u4f20\u8f93\u4fe1\u606f\u6240\u7528\u7684\u5e26\u5bbd\u8fdc\u5927\u4e8e\u4fe1\u606f\u672c\u8eab\u5e26\u5bbd\uff0c\u5728\u53d1\u5c04\u7aef\u4ee5\u6269\u9891\u7f16\u7801\u8fdb\u884c\u6269\u9891\u8c03\u5236\uff0c\u5728\u6536\u7aef\u4ee5\u76f8\u5173\u89e3\u8c03\u6280\u672f\u6536\u4fe1\u606f\u3002\u6269\u9891\u6280\u672f<\/span>\u6700\u65e9\u5e94\u7528\u519b\u4e8b\u9886\u57df\uff0c\u5177\u5907\u9ad8\u53ef\u9760\u6027\uff0c\u9ad8\u4fdd\u5bc6\u6027\u800c\u4e14\u4e0d\u6613\u53d7\u5230\u5e72\u6270\u7684\u7279\u6027\u3002<\/span><\/p>\n

<\/p>\n

FCC\u65b0\u89c4\u63a8\u51fa\u4e4b\u540e\uff0c\u83b7\u5f97\u4e86\u884c\u4e1a\u7684\u5e7f\u6cdb\u6b22\u8fce\u3002\u4f46\u662f\uff0c\u5c31\u5728\u5927\u5bb6\u57cb\u5934\u53d1\u5c55\u7684\u65f6\u5019\uff0c\u65b0\u7684\u95ee\u9898\u51fa\u73b0\u4e86\u2014\u2014<\/span><\/p>\n


<\/span><\/p>\n

\u6574\u4e2a\u4ea7\u4e1a\u5185\uff0c\u6ca1\u6709\u7edf\u4e00\u7684\u6807\u51c6\u3002<\/span><\/strong><\/p>\n


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\u5f53\u65f6\uff0c\u5f88\u591a\u65e0\u7ebf\u4ea7\u54c1\u8bbe\u5907\u5546\u4eec\uff0c\u90fd\u662f\u5404\u81ea\u5f00\u53d1\u81ea\u5df1\u7684\u4e13\u7528\u8bbe\u5907\uff0c\u8c01\u4e5f\u4e0d\u9e1f\u8c01\uff0c\u4e0d\u540c\u5382\u5bb6\u4e4b\u95f4\u7684\u8bbe\u5907\u6839\u672c\u65e0\u6cd5\u517c\u5bb9\u3002<\/span><\/p>\n


<\/span><\/p>\n

1988\u5e74\uff0c\u7f8e\u56fdNCR\u516c\u53f8\u60f3\u5229\u7528\u672a\u6388\u6743\u9891\u6bb5\u6765\u505a\u65e0\u7ebf\u6536\u6b3e\u673a\uff08NCR\u662f\u4e16\u754c\u4e0a\u6700\u65e9\u505a\u673a\u68b0\u5f0f\u548c\u7535\u52a8\u6536\u6b3e\u673a\u7684\u4e00\u5bb6\u516c\u53f8\uff09\u3002\u4e8e\u662f\uff0c\u5c31\u627e\u6765\u4e86\u4ed6\u4eec\u7814\u53d1\u90e8\u95e8\u7684\u5de5\u7a0b\u5e08Victor Hayes\uff0c\u95ee\u4ed6\u8fd9\u4e8b\u8be5\u600e\u4e48\u529e\uff1f<\/span><\/p>\n


<\/span><\/p>\n

<\/span><\/p>\n

Victor Hayes<\/span><\/p>\n


<\/span><\/p>\n

Victor Hayes\u975e\u5e38\u6709\u524d\u77bb\u6027\uff0c\u4ed6\u8ba4\u4e3a\uff0c\u5fc5\u987b\u5148\u6709\u4e00\u4e2a\u7edf\u4e00\u7684\u6807\u51c6\u3002\u7136\u540e\uff0cVictor Hayes\u5c31\u8054\u5408\u8d1d\u5c14\u5b9e\u9a8c\u5ba4\u7684\u53e6\u4e00\u4f4d\u5de5\u7a0b\u5e08Bruce Tuch\u627e\u5230IEEE\uff0c\u5e0c\u671b\u5efa\u7acb\u4e00\u5957\u901a\u7528\u7684\u672a\u6388\u6743\u9891\u8c31\u6807\u51c6\u3002<\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span>IEEE\uff0c\u7535\u6c14\u548c\u7535\u5b50\u5de5\u7a0b\u5e08\u534f\u4f1a<\/span><\/span><\/p>\n


<\/span><\/p>\n

\u4e8e\u662f\uff0c90\u5e74\u4ee3\u521d\uff0cIEEE\u6210\u7acb\u4e86\u8457\u540d\u7684802.11\u5de5\u4f5c\u7ec4<\/strong>\uff0c\u7531Victor Hayes\u62c5\u4efb\u4e3b\u5e2d\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u4e0e\u6b64\u540c\u65f6\uff0c1991\u5e74\uff0cNCR\u7684\u5de5\u7a0b\u56e2\u961f\u548c\u5176\u5408\u8d44\u4f19\u4f34AT&T\u5728\u8377\u5170Neuwegein\u5f00\u53d1\u51fa\u4e86WaveLAN\u6280\u672f<\/strong>\u3002\u8fd9\u9879\u6280\u672f\u88ab\u8ba4\u4e3a\u662fWi-Fi\u7684\u96cf\u5f62\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u90a3\u4e48\uff0c\u662f\u4e0d\u662fNCR\u5c31\u662fWi-Fi\u7684\u53d1\u660e\u4eba\u5462\uff1f\u5e76\u4e0d\u662f\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u5c31\u5728NCR\u5728\u6363\u9f13WaveLAN\u7684\u65f6\u5019\uff0c\u6fb3\u6d32\u653f\u5e9c\u7684\u7814\u7a76\u673a\u6784CSIRO\u4e5f\u53d1\u660e\u4e86\u4e00\u79cd\u65e0\u7ebf\u7f51\u6280\u672f\u3002\u5177\u4f53\u7684\u53d1\u660e\u4eba\uff0c\u662f\u6089\u5c3c\u5927\u5b66\u7684John O’Sullivan<\/strong>\uff0c\u548c\u4ed6\u9886\u5bfc\u7684\u4e00\u4e2a\u7814\u7a76\u5c0f\u7ec4\u3002 <\/span><\/p>\n


<\/span><\/p>\n

<\/p>\n

<\/span>Dr John O’Sullivan<\/span><\/p>\n


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1996\u5e74\uff0c\u4ed6\u4eec\u6210\u529f\u5728\u7f8e\u56fd\u7533\u8bf7\u4e86\u6280\u672f\u4e13\u5229\uff0c\u4e13\u5229\u53f7\u662fUS Patent Number 5,487,069\u3002\uff08\u540e\u6765\u4e3a\u4e86\u8fd9\u4e2a\u4e13\u5229\uff0c\u8fd8\u6253\u4e86\u4e00\u573a\u5b98\u53f8\u3002\uff09<\/span><\/p>\n


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1999\u5e74\uff0cIEEE\u5b98\u65b9\u5b9a\u4e49802.11\u6807\u51c6\u7684\u65f6\u5019\uff0c\u9009\u62e9\u5e76\u8ba4\u5b9a\u4e86CSIRO\u53d1\u660e\u7684\u65e0\u7ebf\u7f51\u6280\u672f\u662f\u4e16\u754c\u4e0a\u6700\u597d\u7684\u65e0\u7ebf\u7f51\u6280\u672f\uff0c\u56e0\u6b64\u5438\u7eb3\u4e3aWi-Fi\u7684\u6838\u5fc3\u6280\u672f\u6807\u51c6\u3002<\/span><\/p>\n

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\u7ec8\u4e8e\uff0cIEEE802.11\u7684\u6807\u51c6\u7248\u672c\uff1a802.11b\uff08\u5de5\u4f5c\u4e8e2.4GHz\u9891\u6bb5\uff09\u548c802.11a\uff08\u5de5\u4f5c\u4e8e5.8GHz\u9891\u6bb5\uff09\uff0c\u5206\u522b\u4e8e1999\u5e7412\u6708\u548c2000\u5e741\u6708\u83b7\u5f97\u6279\u51c6\u3002<\/span><\/p>\n


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\u5c31\u5728\u5de5\u4f5c\u7ec4\u5fd9\u4e8e\u786e\u5b9a\u6807\u51c6\u7684\u540c\u65f6\uff0cIntersil\u30013Com\u3001\u8bfa\u57fa\u4e9a\u3001Aironet\u3001Symbol\u548c\u6717\u8baf\u8fd96\u5bb6\u516c\u53f8\uff0c\u5171\u540c\u7ec4\u6210\u4e86<\/span>\u65e0\u7ebf\u4ee5\u592a\u7f51\u8def\u76f8\u5bb9\u6027\u8054\u76df<\/strong>\uff08Wireless Ethernet Compatibility Alliance\uff0c\u7f29\u5199\u4e3aWECA)\u3002<\/span><\/p>\n


<\/span><\/p>\n

WECA\u6210\u7acb\u7684\u76ee\u7684\u4e3b\u8981\u662f\u5bf9\u4e0d\u540c\u5382\u5bb6\u7684\u4ea7\u54c1\u8fdb\u884c\u517c\u5bb9\u6027\u8ba4\u8bc1\uff0c\u5b9e\u73b0\u4e0d\u540c\u5382\u5bb6\u8bbe\u5907\u95f4\u7684\u4e92\u64cd\u4f5c\u6027\u3002<\/span><\/p>\n

<\/p>\n

\u8054\u76df\u6210\u7acb\u4e4b\u540e\uff0c\u4e3a\u4e86\u4fbf\u4e8e\u5e02\u573a\u63a8\u5e7f\uff0c\u5927\u5bb6\u5546\u91cf\u6253\u7b97\u6362\u4e00\u4e2a\u54cd\u4eae\u7684\u540d\u5b57\uff0c\u4f8b\u5982\u201cWECA\u53ef\u517c\u5bb9\u201d\u3001\u201cIEEE802.11b\u517c\u5bb9\u201d\u7b49\u3002\u4f46\u662f\uff0c\u8fd9\u79cd\u6ede\u6da9\u7684\u672f\u8bed\u5f88\u96be\u8ba9\u4eba\u4eec\u8131\u53e3\u800c\u51fa\u3002\u4e3a\u4e86\u8fd9\u4e8b\uff0cWECA\u8fd8\u4e13\u95e8\u54a8\u8be2\u4e86\u54c1\u724c\u4e13\u5bb6\uff0c\u54c1\u724c\u4e13\u5bb6\u7ed9\u4e86\u4ed6\u4eec\u5f88\u591a\u5efa\u8bae\uff0c\u6bd4\u5982\u53eb\u201cFlankSpeed\u201d\uff0c\u201cDragonFly\u201d\u7b49\u7b49\u3002
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\u6700\u540e\uff0c\u201cWi-Fi\u201d<\/strong>\u8fd9\u4e2a\u540d\u5b57\u80dc\u51fa\u3002<\/span><\/p>\n


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\u4e4b\u6240\u4ee5\u53eb\u201cWi-Fi\u201d\uff0c\u662f\u56e0\u4e3a\u5b83\u542c\u8d77\u6765\u6709\u70b9\u50cf\u201cHiFi\u201d\uff0c\u8fd9\u5bb9\u6613\u8ba9\u4eba\u8054\u60f3\u5230\u4e0d\u540c\u5382\u5bb6\u7684CD\u64ad\u653e\u5668\u53ef\u4ee5\u548c\u4efb\u610f\u529f\u653e\u8bbe\u5907\u76f8\u517c\u5bb9\u3002\u540e\u6765\u6709\u4eba\u8bf4\u201cWi-Fi\u201d\u662f\u201cwireless fidelity\uff08\u65e0\u7ebf\u4fdd\u771f\uff09\u201d\u7684\u7b80\u79f0\uff0c\u8fd9\u5176\u5b9e\u53ea\u662f\u540e\u6765\u4eba\u4eec\u8bbe\u60f3\u7684\u800c\u5df2\u3002<\/span><\/p>\n


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2002\u5e7410\u6708\uff0cWECA\u6b63\u5f0f\u6539\u540d\u4e3aWi-Fi\u8054\u76df\uff08Wi-Fi Alliance)<\/strong>\u3002<\/span><\/p>\n

<\/p>\n

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\u62b1\u5927\u817f\u554a\u3002<\/span><\/p>\n


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\u4e8e\u662f\uff0cWi-Fi\u8054\u76df\u627e\u5230\u4e86\u82f9\u679c\u516c\u53f8\uff0c\u5e0c\u671b\u4ed6\u4eec\u7684\u4ea7\u54c1\u80fd\u5f15\u5165Wi-Fi\u3002\u82f9\u679c\u5f88\u725b\u903c\uff0c\u4ed6\u4eec\u544a\u8bc9\u6717\u8baf\uff1a\u5982\u679c\u4f60\u4eec\u7684\u65e0\u7ebf\u9002\u914d\u5668\u4ef7\u683c\u80fd\u591f\u964d\u5230100\u7f8e\u5143\u4ee5\u4e0b\uff0c\u6211\u4eec\u5c31\u5728\u7b14\u8bb0\u672c\u91cc\u8bbe\u8ba1\u4e00\u4e2aWi-Fi\u63d2\u69fd\u3002<\/span><\/p>\n


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1999\u5e747\u6708\uff0c\u82f9\u679c\u5728\u5176\u63a8\u51fa\u7684\u65b0\u4e00\u4ee3iBook\u7b14\u8bb0\u672c\u7535\u8111\u4e2d\u9996\u6b21\u5f15\u5165Wi-Fi\uff0c\u4e0d\u8fc7\u5e76\u975e\u6807\u914d\uff0c\u53ea\u662f\u4e00\u4e2a\u53ef\u9009\u9879\u3002<\/span><\/p>\n


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\u4f46\u662f\uff0c\u5c31\u662f\u8fd9\u4e2a\u201d\u53ef\u9009\u9879\u201c\uff0c\u8fc5\u901f\u5f15\u6765\u4e86\u5176\u5b83\u7535\u8111\u5382\u5bb6\u7684\u8ddf\u98ce\u3002<\/span><\/p>\n


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\u4e0d\u4ec5\u786c\u4ef6\u5382\u5546\u8ddf\u8fdb\u4e86Wi-Fi\uff0c\u5fae\u8f6f\u7684windows XP\u64cd\u4f5c\u7cfb\u7edf\u4e5f\u589e\u52a0\u4e86\u5bf9Wi-Fi\u7684\u652f\u6301\uff08\u7528\u6237\u65e0\u9700\u5b89\u88c5\u7b2c\u4e09\u65b9\u9a71\u52a8\u6216\u8f6f\u4ef6\uff0c\u5373\u53ef\u4ee5\u5b9e\u73b0\u65e0\u7ebf\u8fde\u63a5\uff09\u3002<\/span><\/p>\n


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\u81ea\u6b64\uff0cWi-Fi\u7684\u4f7f\u7528\u8303\u56f4\u4e0d\u65ad\u6269\u5927\uff0c\u4ece\u4e2a\u4eba\u5230\u5bb6\u5ead\uff0c\u4ece\u5bb6\u5ead\u5230\u516c\u5171\u573a\u6240\uff0c\u8d70\u8fdb\u4e86\u6211\u4eec\u6bcf\u4e00\u4e2a\u4eba\u7684\u751f\u6d3b\u3002<\/span><\/p>\n


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\u8fd9\u4e2a\u65f6\u5019\uff0cIEEE802.11\u5de5\u4f5c\u7ec4\u91cd\u65b0\u8c03\u6574IEEE802.11\u534f\u8bae\u6807\u51c6\uff0c\u63a8\u51fa\u4e86\u65b0\u7684\u7269\u7406\u5c42\u6807\u51c6IEEE802.11g\u3002\u5b83\u4f7f\u7528\u66f4\u5148\u8fdb\u7684\u6269\u9891\u6280\u672f\uff0c\u79f0\u4e3a\u6b63\u4ea4\u9891\u5206\u590d\u7528\uff08OFDM\uff09\u8c03\u5236\u6280\u672f\uff0c\u5176\u901f\u7387\u53ef\u57282.4GHz\u9891\u6bb5\u4e0a\u8fbe\u523054Mbps\u3002
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\u540e\u6765\uff0c\u53c8\u6709\u4e86802.11n\u3001802.11ac\u3001802.11ad\u7b49\u3002<\/span><\/p>\n


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\u867d\u7136Wi-Fi\u8054\u76df\u4e5f\u63a8\u51fa\u4e86Wi-Fi Halow\uff08802.11ah\uff09<\/strong>\u8fdb\u884c\u62b5\u6297\uff0c\u4f46\u662f\uff0c\u5728\u5f3a\u5927\u7684\u5bf9\u624b\u9762\u524d\uff0cWi-Fi\u7684\u524d\u9014\u547d\u8fd0\u5e76\u4e0d\u4e50\u89c2\u3002<\/span><\/p>\n


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\u547d\u8fd0\u591a\u821b\u7684Wi-Fi\uff0c\u7a76\u7adf\u4f1a\u8d70\u5411\u4f55\u65b9\uff0c\u53ea\u80fd\u7531\u65f6\u95f4\u544a\u8bc9\u6211\u4eec\u7b54\u6848\u4e86\u3002<\/span><\/p>\n


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https:\/\/www.zhihu.com\/question\/23539623\/answer\/109747299<\/span><\/p>\n

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