/Ó¢ÎÄ/
/Ó¢ÎÄ/
/Ó¢ÎÄ/
/ÖÐÎÄ/
/ÖÐÎÄ/
/Ó¢ÎÄ/
/ÖÐÎÄ/
/ÖÐÎÄ/
/ÖÐÎÄ/
/ÖÐÎÄ/
edup 802.11nÇý¶¯Ö±½ÓË«»÷¼´¿ÉÍê³É°²×°¡£802.11n±ê×¼ÖÁ2009Äê²ÅµÃµ½IEEEµÄÕýʽÅú×¼£¬µ«²ÉÓà MIMO OFDM¼¼ÊõµÄ³§ÉÌÒѾºÜ¶à£¬°üÀ¨D£Link£¬Airgo¡¢Bermai¡¢BroadcomÒÔ¼°½Ü¶ûϵͳ¡¢Atheros¡¢Ë¼¿Æ¡¢IntelµÈµÈ£¬²úÆ·°üÀ¨ÎÞÏßÍø¿¨¡¢ÎÞÏß·ÓÉÆ÷µÈ£¬¶øÇÒÒѾ´óÁ¿ÔÚPC¡¢±Ê¼Ç±¾µçÄÔÖÐÓ¦Óá£
802.11nÖ÷ÒªÊǽáºÏÎïÀí²ãºÍMAC²ãµÄÓÅ»¯À´³ä·ÖÌá¸ßWLAN¼¼ÊõµÄÍÌÍ¡£
Ö÷ÒªµÄÎïÀí²ã¼¼ÊõÉæ¼°ÁËMIMO¡¢MIMO-OFDM¡¢40MHz¡¢Short GIµÈ¼¼Êõ,´Ó¶ø½«ÎïÀí²ãÍÌÍÂÌá¸ßµ½600Mbps¡£
Èç¹û½ö½öÌá¸ßÎïÀí²ãµÄËÙÂÊ£¬¶øûÓжԿտڷÃÎʵÈMACÐÒé²ãµÄÓÅ»¯£¬802.11nµÄÎïÀí²ãÓÅ»¯½«ÎÞ´Ó·¢»Ó¡£¾ÍºÃ±È¼´Ê¹½¨Á˺ܿíµÄÂí·£¬µ«ÊdzµÁ÷µÄµ÷¶È¹ÜÀíÈç¹û¸ú²»ÉÏ£¬ÈÔÈ»»á³öÏÖÓµ¶ÂºÍµÍЧ¡£ËùÒÔ802.11n¶ÔMAC²ÉÓÃÁËBlockÈ·ÈÏ¡¢Ö¡¾ÛºÏµÈ¼¼Êõ£¬´ó´óÌá¸ßMAC²ãµÄЧÂÊ¡£
ÔÚ´«ÊäËÙÂÊ·½Ã棬802.11n¿ÉÒÔ½«WLANµÄ´«ÊäËÙÂÊÓÉÄ¿Ç°802.11a¼°802.11gÌṩµÄ54Mbps£¬Ìá¸ßµ½300MbpsÉõÖÁ¸ß´ï600Mbps¡£µÃÒæÓÚ½«MIMO(¶àÈë¶à³ö)ÓëOFDM(Õý½»Æµ·Ö¸´ÓÃ)¼¼ÊõÏà½áºÏ¶øÓ¦ÓõÄMIMO OFDM¼¼Êõ£¬Ìá¸ßÁËÎÞÏß´«ÊäÖÊÁ¿£¬Ò²Ê¹´«ÊäËÙÂʵõ½¼«´óÌáÉý¡£
ÔÚ¸²¸Ç·¶Î§·½Ã棬802.11n²ÉÓÃÖÇÄÜÌìÏß¼¼Êõ£¬Í¨¹ý¶à×é¶ÀÁ¢ÌìÏß×é³ÉµÄÌìÏßÕóÁУ¬¿ÉÒÔ¶¯Ì¬µ÷Õû²¨Êø£¬±£Ö¤ÈÃWLANÓû§½ÓÊÕµ½Îȶ¨µÄÐźţ¬²¢¿ÉÒÔ¼õÉÙÆäËüÐźŵĸÉÈÅ¡£Òò´ËÆ串¸Ç·¶Î§¿ÉÒÔÀ©´óµ½ºÃ¼¸Æ½·½¹«ÀʹWLANÒƶ¯ÐÔ¼«´óÌá¸ß¡£
ÔÚ¼æÈÝÐÔ·½Ã棬802.11n²ÉÓÃÁËÒ»ÖÖÈí¼þÎÞÏߵ缼Êõ£¬ËüÊÇÒ»¸öÍêÈ«¿É±à³ÌµÄÓ²¼þƽ̨£¬Ê¹µÃ²»Í¬ÏµÍ³µÄ»ùÕ¾ºÍÖն˶¼¿ÉÒÔͨ¹ýÕâһƽ̨µÄ²»Í¬Èí¼þʵÏÖ»¥Í¨ºÍ¼æÈÝ£¬ÕâʹµÃWLANµÄ¼æÈÝÐԵõ½¼«´ó¸ÄÉÆ¡£ÕâÒâζ×ÅWLAN½«²»µ«ÄÜʵÏÖ802.11nÏòÇ°ºó¼æÈÝ£¬¶øÇÒ¿ÉÒÔʵÏÖWLANÓëÎÞÏß¹ãÓòÍøÂçµÄ½áºÏ£¬±ÈÈç3G¡£
Íø¿¨Çý¶¯³ÌÐò²»Õý³£Ôõô°ì£¿ÓÐʱºòÎÒÃǵĵçÄÔ»áĪÃûµÄ³öÏÖһЩÎÊÌ⣬±ÈÈçÉϲ»ÁËÍøʲôµÄ£¬Õâ¸öʱºòÏȱð»Å£¬¿ÉÄÜÊÇÍø¿¨Çý¶¯ÓÐÎÊÌ⣬ÖØÐÂÏÂÔØÒ»¸öÍø¿¨Çý¶¯¾Í¿ÉÒÔ½â¾öÁË¡£Íø¿¨Çý¶¯Ò»¿îÕë¶ÔPC¶ËÍø¿¨Çý¶¯°²×°µÄÊÊÓÃÐÍÈí¼þ
Êó±êÇý¶¯Ôõô°²×°£¬Êó±êÇý¶¯°²×°Ê§°ÜÔõô°ì£¿²»ÒªÐ¡¿´ÁËÊó±êÇý¶¯£¬Êó±êÇý¶¯ÄܸøÕû¸öÊó±ê´øÀ´ºÜ´óµÄÌáÉý£¬ËüÍùÍùÓÐ×Ų»¿É˼ÒéµÄ¹¦ÄÜ¡£³ýÁËÈòÙ×÷ϵͳÄܹ»¸ü¼Ó·½±ãµÄʶ±ð³öÐÂÓ²¼þ£¬²¢Ìá¸ßÊó±êµÄ¼æÈÝÐÔÖ®Í⣬¸ü¶àµÄÊÇΪ
¹ØÓÚÌÚÅ£ | ÁªÏµ·½Ê½ | ·¢Õ¹Àú³Ì | °æȨÉùÃ÷ | ÏÂÔØ°ïÖú(£¿) | ¹ã¸æÁªÏµ | ÍøÕ¾µØͼ | ÓÑÇéÁ´½Ó
Copyright 2005-2022 QQTN.com ¡¾ÌÚÅ£Íø¡¿ °æȨËùÓÐ ¶õICP±¸2022005668ºÅ-1 | ¶õ¹«Íø°²±¸ 42011102000260ºÅ
ÉùÃ÷£º±¾Õ¾·ÇÌÚѶQQ¹Ù·½ÍøÕ¾ ËùÓÐÈí¼þºÍÎÄÕÂÀ´×Ô»¥ÁªÍø ÈçÓÐÒìÒé ÇëÓë±¾Õ¾ÁªÏµ ±¾Õ¾Îª·ÇÓ®ÀûÐÔÍøÕ¾ ²»½ÓÊÜÈκÎÔÞÖúºÍ¹ã¸æ