802.11b/g/n无线网卡中的802.11b/g/n代表什么意思? 无线网卡中802.11b/g/n代表什么意思
802.11b/g/n\u65e0\u7ebf\u7f51\u5361\u4e2d\u7684802.11b/g/n\u4ee3\u8868\u4ec0\u4e48\u610f\u601d802.11\u662f\u4e00\u4e2a\u6807\u51c6\u7cfb\u5217\uff0c\u5176\u4e2d\u53c8\u5206\u4e3a\u4e0d\u540c\u7684\u5b50\u6807\u51c6\uff0c802.11a\uff0c802.11b\uff0c802.11g\uff0c802.11n\uff0c\u4e0a\u9762\u662f\u517c\u5bb9\u7684\u610f\u601d\uff0c\u5373\u517c\u5bb9802.11\u7684b\uff0cg\uff0cn\u51e0\u4e2a\u6807\u51c6\u3002
\u76f8\u5173802.11\u6807\u51c6\u7684\u8be6\u7ec6\u5185\u5bb9\u5982\u4e0b\uff1a
802.11\u5168\u5bb6\u65cf
\u3000\u3000* IEEE 802.11 \uff0c1997\u5e74\uff0c\u539f\u59cb\u6807\u51c6\uff082Mbit/s\uff0c\u5de5\u4f5c\u57282.4GHz\uff09\u3002
\u3000\u3000* IEEE 802.11a\uff0c1999\u5e74\uff0c\u7269\u7406\u5c42\u8865\u5145\uff0854Mbit/s\uff0c\u5de5\u4f5c\u57285GHz\uff09\u3002
\u3000\u3000* IEEE 802.11b\uff0c1999\u5e74\uff0c\u7269\u7406\u5c42\u8865\u5145\uff0811Mbit/s\u5de5\u4f5c\u57282.4GHz\uff09\u3002
\u3000\u3000* IEEE 802.11c\uff0c\u7b26\u5408802.1D\u7684\u5a92\u4f53\u63a5\u5165\u63a7\u5236\u5c42\u6865\u63a5\uff08MAC Layer Bridging\uff09\u3002
\u3000\u3000* IEEE 802.11d\uff0c\u6839\u636e\u5404\u56fd\u65e0\u7ebf\u7535\u89c4\u5b9a\u505a\u7684\u8c03\u6574\u3002
\u3000\u3000* IEEE 802.11e\uff0c\u5bf9\u670d\u52a1\u7b49\u7ea7\uff08Quality of Service, QoS\uff09\u7684\u652f\u6301\u3002
\u3000\u3000* IEEE 802.11f\uff0c\u57fa\u7ad9\u7684\u4e92\u8fde\u6027\uff08IAPP, Inter-Access Point Protocol\uff09\uff0c2006\u5e742\u6708\u88abIEEE\u6279\u51c6\u64a4\u9500\u3002
\u3000\u3000* IEEE 802.11g\uff0c2003\u5e74\uff0c\u7269\u7406\u5c42\u8865\u5145\uff0854Mbit/s\uff0c\u5de5\u4f5c\u57282.4GHz\uff09\u3002 \u3000
\u3000* IEEE 802.11h\uff0c2004\u5e74\uff0c\u65e0\u7ebf\u8986\u76d6\u534a\u5f84\u7684\u8c03\u6574\uff0c\u5ba4\u5185\uff08indoor\uff09\u548c\u5ba4\u5916\uff08outdoor\uff09\u4fe1\u9053\uff085GHz\u9891\u6bb5\uff09\u3002
\u3000\u3000* IEEE 802.11i\uff0c2004\u5e74\uff0c\u65e0\u7ebf\u7f51\u7edc\u7684\u5b89\u5168\u65b9\u9762\u7684\u8865\u5145\u3002
\u3000\u3000* IEEE 802.11j\uff0c2004\u5e74\uff0c\u6839\u636e\u65e5\u672c\u89c4\u5b9a\u505a\u7684\u5347\u7ea7\u3002
\u3000\u3000* IEEE 802.11l\uff0c\u9884\u7559\u53ca\u51c6\u5907\u4e0d\u4f7f\u7528\u3002
\u3000\u3000* IEEE 802.11m\uff0c\u7ef4\u62a4\u6807\u51c6\uff1b\u4e92\u65a5\u53ca\u6781\u9650\u3002
\u3000\u3000* IEEE 802.11n\uff0c2008\u5e74\u4e0a\u534a\u5e74\u901a\u8fc7\u6b63\u5f0f\u6807\u51c6,WLAN\u7684\u4f20\u8f93\u901f\u7387\u7531\u76ee\u524d802.11a\u53ca802.11g\u63d0\u4f9b\u768454Mbps\u3001108Mbps\uff0c\u63d0\u9ad8\u5230300Mbps\u751a\u81f3\u9ad8\u8fbe600Mbps\u3002
\u3000\u3000* IEEE 802.11k\uff0c2008\u5e74\uff0c\u8be5\u534f\u8bae\u89c4\u8303\u89c4\u5b9a\u4e86\u65e0\u7ebf\u5c40\u57df\u7f51\u7edc\u9891\u8c31\u6d4b\u91cf\u89c4\u8303\u3002\u8be5\u89c4\u8303\u7684\u5236\u8ba2\u4f53\u73b0\u4e86\u65e0\u7ebf\u5c40\u57df\u7f51\u7edc\u5bf9\u9891\u8c31\u8d44\u6e90\u667a\u80fd\u5316\u4f7f\u7528\u7684\u9700\u6c42\u3002
\u3000\u3000* IEEE 802.11r\uff0c2008\u5e74\uff0c\u5feb\u901f\u57fa\u7840\u670d\u52a1\u8f6c\u79fb\uff0c\u4e3b\u8981\u662f\u7528\u6765\u89e3\u51b3\u5ba2\u6237\u7aef\u5728\u4e0d\u540c\u65e0\u7ebf\u7f51\u7edcAP\u95f4\u5207\u6362\u65f6\u7684\u5ef6\u8fdf\u95ee\u9898\u3002
\u3000\u3000* IEEE 802.11s, 2007\u5e749\u6708.\u62d3\u6251\u53d1\u73b0\u3001\u8def\u5f84\u9009\u62e9\u4e0e\u8f6c\u53d1\u3001\u4fe1\u9053\u5b9a\u4f4d\u3001\u5b89\u5168\u3001\u6d41\u91cf\u7ba1\u7406\u548c\u7f51\u7edc\u7ba1\u7406\u3002\u7f51\u72b6\u7f51\u7edc\u5e26\u6765\u4e00\u4e9b\u65b0\u7684\u672f\u8bed\u3002
\u3000\u3000* IEEE 802.11w\uff0c2009\u5e74\uff0c\u9488\u5bf9802.11\u7ba1\u7406\u5e27\u7684\u4fdd\u62a4\u3002
\u3000\u3000* IEEE 802.11y\uff0c2008\u5e74\uff0c\u9488\u5bf9\u7f8e\u56fd3650\u20133700 MHz \u7684\u89c4\u5b9a\u3002
\u3000\u3000\u9664\u4e86\u4e0a\u9762\u7684IEEE\u6807\u51c6\uff0c\u53e6\u5916\u6709\u4e00\u4e2a\u88ab\u79f0\u4e3aIEEE 802.11b+\u7684\u6280\u672f\uff0c\u901a\u8fc7PBCC\u6280\u672f\uff08Packet Binary Convolutional Code\uff09\u5728IEEE 802.11b(2.4GHz\u9891\u6bb5) \u57fa\u7840\u4e0a\u63d0\u4f9b22Mbit/s\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u4f46\u8fd9\u4e8b\u5b9e\u4e0a\u5e76\u4e0d\u662f\u4e00\u4e2aIEEE\u7684\u516c\u5f00\u6807\u51c6\uff0c\u800c\u662f\u4e00\u9879\u4ea7\u6743\u79c1\u6709\u7684\u6280\u672f\uff0c\u4ea7\u6743\u5c5e\u4e8e\u7f8e\u56fd\u5fb7\u5dde\u4eea\u5668\u516c\u53f8\u3002
\u5bf9\u5e94\u65e0\u7ebf\u7f51\u7edc\u7684\u4e09\u4e2a\u6807\u51c6
802.11b\u3001802.11g\u3001802.11n
\u533a\u522b\u4e3b\u8981\u662f\u901f\u5ea6
802.11是一个标准系列，其中又分为不同的子标准，802.11a，802.11b，802.11g，802.11n，上面是兼容的意思，即兼容802.11的b，g，n几个标准。
绛旓細802.11a/b/g/n锛屾寚鐨勬槸鏃犵嚎缃戠粶鍗忚锛屽垎涓802.11a銆802.11b銆802.11g銆802.11n绛夈傝繖鍑犵涓嶅悓鐨勬棤绾垮崗璁侀兘鏄敱802.11婕斿彉鑰屾潵鐨勩備富瑕佺敤浜庤В鍐冲姙鍏灞鍩熺綉鍜屾牎鍥綉涓敤鎴蜂笌鐢ㄦ埛缁堢鐨勬棤绾挎帴鍏ャ1銆両EEE 802.11b鏄棤绾垮眬鍩熺綉鐨勪竴涓爣鍑嗐傚叾杞芥尝鐨勯鐜囦负2.4GHz锛屽彲鎻愪緵1銆2銆5.5鍙11Mbit/...
绛旓細1銆802.11b preamble:鏄802.11b甯х殑鍓嶅鍩燂紝鐢ㄤ簬璁惧涔嬮棿鐨勬暟鎹悓姝ャ2銆丄dhoc 11n锛欰dhoc鏄竴绉嶄笉渚濊禆涓庡熀纭璁惧鑰岀粍缃戠殑涓绉嶆妧鏈紝鑺傜偣涓庤妭鐐逛箣闂翠簰鐩告壙鎷呰矾鐢辫浆鍙戝拰骞挎挱绛夊姛鑳姐3銆丏ynamic MIMO power save锛氬姩鎬佺數婧愯皟鑺傛妧鏈4銆乶etwork address:灏辨槸缃戝崱鐨凪AC鍦板潃锛岄粯璁や负绌猴紝鍙互淇敼涓哄叾浠栫殑MA...
绛旓細鎰忔濇槸锛802.11b锛802.11g锛802.11n 涓夌妯″紡娣峰悎锛沵ixed灏辨槸娣峰悎鐨勬剰鎬濄俉LAN鐨勫父瑙佹爣鍑嗘湁浠ヤ笅4绉嶃1銆 IEEE 802.11a锛屼娇鐢5GHz棰戞锛屾渶澶т紶杈撻熺巼绾︿负54Mbit/s锛屼笌802.11b涓嶅吋瀹广2銆両EEE 802.11b锛屼娇鐢2.4GHz棰戞锛屾渶澶т紶杈撻熺巼绾︿负11Mbit/s銆3銆 IEEE 802.11g锛屼娇鐢2.4GHz棰戞锛屾渶澶т紶杈...
绛旓細IEEE 802.11ac涓802.11鍚х殑涓昏鍖哄埆灏辨槸鐞嗚甯﹀鍊肩殑涓嶅悓锛屽叾娆℃槸鏀寔棰戞涓婄殑涓嶅悓銆侷EEE 802.11b鏄竴绉11Mbps鏃犵嚎鏍囧噯锛屽彲涓虹瑪璁版湰鐢佃剳鎴栨闈㈢數鑴戠敤鎴锋彁渚涘畬鍏ㄧ殑缃戠粶鏈嶅姟锛屽甫瀹芥渶楂樺彲杈11Mbps锛屼篃鍙牴鎹疄闄呮儏鍐甸噰鐢5.5Mbps銆2 Mbps鍜1 Mbps甯﹀锛屽疄闄呯殑宸ヤ綔閫熷害鍦5Mb/s宸﹀彸锛屼笌鏅氱殑10Base-T瑙勬牸...
绛旓細G锛802.11g鏄802.11b鍦ㄥ悓涓棰戞涓婄殑鎵╁睍銆傛敮鎸佽揪鍒54Mbps鐨勬渶楂橀熺巼锛屽吋瀹802.11b銆傝鏍囧噯宸茬粡鎴樿儨浜802.11a鎴愪负涓嬩竴姝ユ棤绾挎暟鎹綉鐨勬爣鍑嗐侼锛802.11n 鍦ㄤ紶杈撻熺巼鏂归潰锛802.11n鍙互灏哤LAN鐨勪紶杈撻熺巼鐢辩洰鍓802.11a鍙802.11g鎻愪緵鐨54Mbps鎻愰珮鍒108Mbps锛岀敋鑷抽珮杈500Mbps銆802.11N鐨勪紭鍔挎槸锛氬弻棰戙丮IMO銆...
绛旓細802.11 b/g/n 鏄寚鐨勭瑪璁版湰鏀寔鐨勬棤绾夸紶杈撴爣鍑嗗崗璁傛槸802.11鍗忚鐨勬墿鍏呫802.11b閲囩敤2.4GHz棰戝甫锛屼紶杈撻熺巼鑳藉鏍规嵁搴旂敤鐜浠ュ強鍏朵粬浼犺緭鍥犵礌浠11Mbps鑷姩闄嶅埌5.5Mbps锛屾垨鑰呮牴鎹洿鎺ュ簭鍒楁墿棰戞妧鏈皟鏁村埌2Mbps鍜1Mbps銆侷EEE802.11g鍦2锛4GHz棰戞浣跨敤姝ｄ氦棰戝垎澶嶇敤锛圤FDM锛夎皟鍒舵妧鏈紝浣挎暟鎹紶杈撻熺巼鎻愰珮鍒...
绛旓細鍏充簬802.11b鐨勬剰鎬濓紝璁＄畻鏈轰笓涓氭湳璇悕璇嶈В閲 802.11b閲囩敤2.4GHz鐩存帴搴忓垪鎵╅锛屾渶澶ф暟鎹紶杈撻熺巼涓11Mb/s锛屾棤椤荤洿绾夸紶鎾傚姩鎬侀熺巼杞崲褰撳皠棰戞儏鍐靛彉宸椂锛屽彲灏嗘暟鎹紶杈撻熺巼闄嶄綆涓5.5Mb/s銆2Mb/s鍜1Mb/s銆備娇鐢ㄨ寖鍥 鏀寔鐨勮寖鍥存槸鍦ㄥ澶栦负300绫筹紝鍦ㄥ姙鍏幆澧冧腑鏈闀夸负100绫炽802.11b浣跨敤涓庝互澶綉绫讳技鐨勮繛鎺...
绛旓細802.11a/b/g/n/ac鏄粈涔堟剰鎬802.11a/b/g/n锛屾寚鐨勬槸鏃犵嚎缃戠粶鍗忚锛屽垎涓802.11a銆802.11b銆802.11g銆802.11n绛夈傝繖鍑犵涓嶅悓鐨勬棤绾垮崗璁侀兘鏄敱802.11婕斿彉鑰屾潵鐨勩備富瑕佺敤浜庤В鍐冲姙鍏灞鍩熺綉鍜屾牎鍥綉涓敤鎴蜂笌鐢ㄦ埛缁堢鐨勬棤绾挎帴鍏ャ1銆802.11a銆傞珮閫焀LAN鍗忚锛屼娇鐢5G璧吂棰戞銆傛渶楂橀熺巼54Mbps锛屽疄闄...
绛旓細IEEE 802.11b鏃犵嚎灞鍩熺綉鐨勫甫瀹芥渶楂樺彲杈11Mbps锛屾瘮涓ゅ勾鍓嶅垰鎵瑰噯鐨処EEE 802.11鏍囧噯蹇5鍊嶏紝鎵╁ぇ浜嗘棤绾垮眬鍩熺綉鐨勫簲鐢ㄩ鍩熴傚彟澶栵紝涔熷彲鏍规嵁瀹為檯鎯呭喌閲囩敤5.5Mbps銆2 Mbps鍜1 Mbps甯﹀锛屽疄闄呯殑宸ヤ綔閫熷害鍦5Mb/s宸﹀彸锛屼笌鏅氱殑10Base-T瑙勬牸鏈夌嚎灞鍩熺綉鍑犱箮鏄浜庡悓涓姘村钩銆備綔涓哄叕鍙稿唴閮ㄧ殑璁炬柦锛屽彲浠ュ熀鏈弧瓒充娇鐢...
绛旓細802.11b鏄11M銆802.11g鏄54M銆傚鏋滄槸802.11b/g锛岄偅灏辫鏄庡悓鏃舵敮鎸佷袱绉嶅崗璁紝鍙互鏍规嵁瀹為檯鎯呭喌鑷姩鍒囨崲锛岀幇鍦ㄧ殑缃戝崱閮芥湁杩欓」鍔熻兘銆 \x0d\x0a褰撶劧浣犳渶濂藉湪鑷繁鐨勬棤绾胯矾鐢遍噷璁剧疆涓衡802.11b/g娣峰悎妯″紡鈥 \x0d\x0a\x0d\x0a璇︾粏璇存槑涓ょ鍗忚锛 \x0d\x0aIEEE 802.11b鏄棤绾垮眬鍩熺綉鐨勪竴涓爣鍑...
