{"id":79422,"date":"2023-12-29T11:20:30","date_gmt":"2023-12-29T03:20:30","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=79422"},"modified":"2023-12-29T11:20:30","modified_gmt":"2023-12-29T03:20:30","slug":"bssm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/79422.html","title":{"rendered":"802.11b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

  802.11b\u662f\u4e00\u79cd\u65e0\u7ebf\u7f51\u7edc\u6280\u672f\uff0c\u5b83\u4e3a\u6211\u4eec\u7684\u4e92\u8054\u7f51\u8fde\u63a5\u63d0\u4f9b\u4e86\u4fbf\u5229\uff0c\u4f46\u4f60\u77e5\u9053\u5b83\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\u5417\uff1f\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecd802.11b\u7684\u5de5\u4f5c\u539f\u7406\u3001\u5386\u53f2\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n

802.11b\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  \u9891\u6bb5\u548c\u8c03\u5236\u6280\u672f<\/h3>\n

  802.11b\u5de5\u4f5c\u57282.4GHz\u9891\u6bb5\uff0c\u91c7\u7528\u4e86\u76f4\u63a5\u5e8f\u5217\u6269\u9891\uff08DSSS\uff09\u8c03\u5236\u6280\u672f\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u5c06\u6570\u5b57\u4fe1\u53f7\u4ee5\u66f4\u9ad8\u7684\u901f\u7387\u53d1\u9001\uff0c\u7136\u540e\u4f7f\u7528\u6269\u9891\u7801\u5c06\u5176\u5c55\u5f00\u5230\u4e00\u4e2a\u66f4\u5bbd\u7684\u9891\u5e26\u4e0a\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n

  \u63a5\u5165\u65b9\u5f0f\u548c\u901f\u7387<\/h3>\n

  802.11b\u4f7f\u7528CSMA\/CA\u534f\u8bae\u8fdb\u884c\u63a5\u5165\uff0c\u907f\u514d\u78b0\u649e\uff0c\u5e76\u80fd\u4ee5\u6700\u9ad811Mbps\u7684\u901f\u7387\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u91c7\u7528\u4e86\u8df3\u9891\u6280\u672f\uff0c\u5373\u4f7f\u7528\u591a\u4e2a\u4fe1\u9053\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4ee5\u51cf\u5c11\u5e72\u6270\u548c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n

802.11b\u7684\u5386\u53f2<\/h2>\n

  \u521d\u6b21\u4eae\u76f8<\/h3>\n

  \u57281999\u5e74\uff0cIEEE ratify\u4e86802.11b\u6807\u51c6\uff0c\u5c06\u5b83\u6b63\u5f0f\u5f15\u5165\u5e02\u573a\u3002\u5f53\u65f6\uff0c\u8fd9\u9879\u6280\u672f\u7684\u63a8\u51fa\u6781\u5927\u5730\u6539\u53d8\u4e86\u4eba\u4eec\u5bf9\u65e0\u7ebf\u7f51\u7edc\u7684\u4f7f\u7528\u65b9\u5f0f\uff0c\u4f7f\u5f97\u65e0\u7ebf\u7f51\u7edc\u9010\u6e10\u666e\u53ca\u5230\u5bb6\u5ead\u548c\u4f01\u4e1a\u3002<\/p>\n

  \u540e\u7eed\u53d1\u5c55<\/h3>\n

  \u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c802.11b\u9010\u6e10\u88ab\u66f4\u5148\u8fdb\u7684\u65e0\u7ebf\u6280\u672f\u6240\u53d6\u4ee3\uff0c\u4f8b\u5982802.11g\u548c802.11n\u3002\u4f46\u6b63\u662f802.11b\u7684\u51fa\u73b0\uff0c\u5960\u5b9a\u4e86\u65e0\u7ebf\u7f51\u7edc\u6280\u672f\u7684\u57fa\u7840\uff0c\u4f7f\u5f97\u4eca\u5929\u6211\u4eec\u80fd\u591f\u4eab\u53d7\u5230\u66f4\u9ad8\u901f\u7684\u65e0\u7ebf\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  802.11b\u4f5c\u4e3a\u65e0\u7ebf\u7f51\u7edc\u6280\u672f\u7684\u5148\u9a71\uff0c\u4e3a\u6211\u4eec\u7684\u4e92\u8054\u7f51\u8fde\u63a5\u63d0\u4f9b\u4e86\u5168\u65b0\u7684\u53ef\u80fd\u6027\u3002<\/strong>\u901a\u8fc7\u4e86\u89e3\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u548c\u5386\u53f2\uff0c\u6211\u4eec\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u65e0\u7ebf\u7f51\u7edc\u7684\u53d1\u5c55\u8fc7\u7a0b\uff0c\u4ee5\u53ca\u672a\u6765\u65e0\u7ebf\u6280\u672f\u7684\u6f5c\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

802.11b\u662f\u4e00\u79cd\u65e0\u7ebf\u7f51\u7edc\u6280\u672f\uff0c\u5b83\u4e3a\u6211\u4eec\u7684\u4e92\u8054\u7f51\u8fde\u63a5\u63d0\u4f9b\u4e86\u4fbf\u5229\uff0c\u4f46\u4f60\u77e5\u9053\u5b83\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\u5417\uff1f\u672c\u6587\u5c06\u4ecb\u7ecd802.11b\u7684\u5de5\u4f5c\u539f\u7406\u3001\u5386\u53f2\u548c\u5e94\u7528\u573a\u666f\u3002802.11b\u7684\u5de5\u4f5c\u539f<\/p>\n","protected":false},"author":1,"featured_media":64183,"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":[361],"class_list":["post-79422","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ieee802"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/79422","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=79422"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/79422\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=79422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=79422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=79422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}