802.11 MAC \ud504\ub808\uc784 \uc885\ub958<\/h2>\n
http:\/\/www.ktword.co.kr\/test\/view\/view.php?no=5509<\/a><\/p>\n \uc55e \ubd80\ubd84 36\ubc14\uc774\ud2b8\uac00 \ud504\ub808\uc784 \ud5e4\ub354\uc785\ub2c8\ub2e4.<\/p>\n \ud504\ub808\uc784 \ud5e4\ub354\uc758 \uccab 2\ubc14\uc774\ud2b8(16\ube44\ud2b8) \uac00 Frame Control \uc785\ub2c8\ub2e4.<\/p>\n Protocol Ver – 2bit<\/p>\n \ubc84\uc804\uc744 \ub098\ud0c0\ub0b8\ub2e4. (\ud604\uc7ac\ub85c\ub294 \ubc84\uc804\uc774 1\uac1c\uc774\uace0 0\uc774\ub2e4)<\/p>\n<\/li>\n Type – 2bit<\/p>\n \ud504\ub808\uc784\uc758 \uc720\ud615\uc744 \ub098\ud0c0\ub0b8\ub2e4. (00 : \uad00\ub9ac\ud504\ub808\uc784, 01 : \uc81c\uc5b4\ud504\ub808\uc784, 10 : \ub370\uc774\ud130\ud504\ub808\uc784)<\/p>\n<\/li>\n Subtype – 4bit<\/p>\n \uac01 Type \uc720\ud615\uc5d0\uc11c \ub610 \uc5ec\ub7ec\uac1c\ub85c \ub098\ub220\uc9c8 \uc218 \uc788\uac8c \ud568\uaed8 \uc0ac\uc6a9\ub41c\ub2e4. To DS, From DS – \uac01 1bit<\/p>\n 802.11 MAC\ud5e4\ub354\uc758 Address\ud544\ub4dc\uc5d0 \uc601\ud5a5\uc744 \uc900\ub2e4. More Frag – 1bit<\/p>\n \uc870\uac01\ud55c Fragment\uc778 \uacbd\uc6b0 1, \ub9c8\uc9c0\ub9c9 Fragment\uc778 \uacbd\uc6b0 0.<\/p>\n<\/li>\n Retry – 1bit<\/p>\n \uc774\uc804 \ud504\ub808\uc784\uc758 \uc7ac\uc804\uc1a1\uc778 \uacbd\uc6b0 1.<\/p>\n<\/li>\n Power Mgmt – 1bit<\/p>\n \uc804\ub825\uc808\uac10 \ubaa8\ub4dc\uc77c \uacbd\uc6b0 1, \ud65c\uc131\ud654 \ubaa8\ub4dc\uc77c \uacbd\uc6b0 0 (AP\ub294 \ud56d\uc0c1 \ub3d9\uc791\ud558\ubbc0\ub85c \ud65c\uc131\ud654\ubaa8\ub4dc = 0)<\/p>\n<\/li>\n More Data – 1bit<\/p>\n \uad00\ub9ac\ud504\ub808\uc784 \ubc0f \ub370\uc774\ud130\ud504\ub808\uc784\uc77c \uacbd\uc6b0 1. (\uc81c\uc5b4\ud504\ub808\uc784\uc77c \uacbd\uc6b0 0)<\/p>\n<\/li>\n Protected Frame<\/p>\n \ud504\ub808\uc784 \ubab8\uccb4\uac00 \uc554\ud638\ud654\ub418\uc5c8\ub2e4\uba74 1, \ube44\uc554\ud638\ud654 0.<\/p>\n<\/li>\n Order – 1bit<\/p>\n 1\uc77c \uacbd\uc6b0 HT Control Field\uac00 \ud3ec\ud568\ub41c\ub2e4.<\/p>\n<\/li>\n<\/ul>\n Duration\/ID: 2byte<\/p>\n NAV \uac12 \ub610\ub294 PS-\uc870\uc0ac \ud504\ub808\uc784 \ud574\ub2f9 \uc2a4\ud14c\uc774\uc158 ID\ub97c \ub098\ud0c0\ub0b8\ub2e4. (\ucd94\uac00 \uc815\ubcf4)<\/p>\n<\/li>\n Address(1,2,3,4): \uac01\uac01 6byte<\/p>\n \uc8fc\uc18c1 : \uc218\uc2e0 \uc8fc\uc18c Sequence Control: 2byte<\/p>\n \ub370\uc774\ud130 \ud504\ub808\uc784, \uad00\ub9ac \ud504\ub808\uc784\ub9cc \uc0ac\uc6a9. (\uc81c\uc5b4\ud504\ub808\uc784\uc5d0\ub294 \ud3ec\ud568\ub418\uc9c0 \uc54a\uc74c)<\/p>\n Qos Control: 2byte<\/p>\n Qos Data Frame\uc778 \uacbd\uc6b0\uc5d0\ub9cc \ub098\ud0c0\ub09c\ub2e4. HT(High Throughput) Control: 4byte<\/p>\n 802.11n \ubd80\ud130 \ub3c4\uc785\ub41c \ud544\ub4dc, Frame Control\uc758 Order \ube44\ud2b8\uac00 1\uc778 \uacbd\uc6b0 \ud65c\uc131\ud654 \ub41c\ub2e4. FCS: 4byte<\/p>\n \uc5d0\ub7ec \uac80\ucd9c\uc6a9(CRC)<\/p>\n<\/li>\n<\/ul>\n 2.4 GHz \ub300\uc5ed\uc740 \ucc44\ub110 1\uc5d0\uc11c \uc2dc\uc791\ud558\uc5ec 2.412 GHz\ub97c \uc911\uc2ec\uc73c\ub85c, \uad6d\uac00\ubcc4\ub85c \ubaa8\ub4e0 \ucc44\ub110\uc744 \uc0ac\uc6a9\ud558\uae30\ub3c4 \ud558\uace0 \uc77c\ubd80 \ucc44\ub110\ub9cc \ud5c8\uc6a9\ud558\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n 5.725-5.875 GHz \uc2a4\ud399\ud2b8\ub7fc\uc758 \ucc44\ub110 \ubc88\ud638 \ub9e4\uae30\uae30\ub294 \ubb34\uc120\ub79c \ud574\ud0b9 \ubaa8\ub2c8\ud130\ubaa8\ub4dc(Monitor Mode) \uae30\ubcf8\uc801\uc73c\ub85c \ubb34\uc120\ub79c\uc740 \uc790\uc2e0\uc758 \ud1b5\uc2e0\uacfc \uad00\ub828\ub41c \uc2e0\ud638\ub9cc \ud0d0\uc9c0\ud569\ub2c8\ub2e4. \ubb34\uc120\ub79c\uc740 \uc804\uc1a1\ub9e4\uccb4\ub85c \uacf5\uae30(Air)\ub97c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0, \uc548\ud14c\ub098\ub9cc \uc788\ub2e4\uba74 \ub2e4\ub978 \ubaa8\ub4e0 \uae30\uae30\uc758 \ud1b5\uc2e0 \uc2e0\ud638\ub97c \uc2a4\ub2c8\ud551\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4 \ubaa8\ub2c8\ud130 \ubaa8\ub4dc\ub97c \ud65c\uc131\ud654\ud558\uba74 \uc704\uc640 \uac19\uc774 \ubaa8\ub4e0 \uae30\uae30\uc758 \ud1b5\uc2e0 \uc2e0\ud638\ub97c \ud0d0\uc9c0\ud558\ub294 \uae30\ub2a5\uc774 \ud65c\uc131\ud654 \ub429\ub2c8\ub2e4. \uc6a9\uc5b4 \uc6a9\uc5b4 \uc124\uba85 STA (Station) \ud578\ub4dc\ud3f0, \ub178\ud2b8\ubd81\uacfc \uac19\uc740 \uae30\uae30\uc785\ub2c8\ub2e4. AP (Access Point) \uacf5\uc720\uae30\ub97c \ub9d0\ud569\ub2c8\ub2e4. SSID (Service\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,1],"tags":[],"class_list":["post-8877","post","type-post","status-publish","format-standard","hentry","category-devops","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/8877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8877"}],"version-history":[{"count":12,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/8877\/revisions"}],"predecessor-version":[{"id":8901,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/8877\/revisions\/8901"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\ud504\ub808\uc784 \uad6c\uc870<\/h2>\n
\uc804\uccb4 \uad6c\uc870<\/h3>\n
![\"\"](\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/2024-03-29-01.png\")
<\/a><\/p>\nFrame Control<\/h3>\n
![\"\"](\"https:\/\/www.skyer9.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/2024-03-29-02.png\")
<\/a><\/p>\n\n
\n(\ube44\ucf58\ud504\ub808\uc784 : 1000, \uc778\uc99d\ud574\uc81c\ud504\ub808\uc784 : 1100)<\/p>\n<\/li>\n
\n(00 : \ubb34\uc120\ub2e8\ub9d0-\ubb34\uc120\ub2e8\ub9d0, 01 : AP->\ubb34\uc120\ub2e8\ub9d0, 10 : \ubb34\uc120\ub2e8\ub9d0->AP, 11 : AP<->AP)<\/p>\n<\/li>\n\ub098\uba38\uc9c0 \ud544\ub4dc<\/h3>\n
\n
\n\uc8fc\uc18c2 : \uc1a1\uc2e0 \uc8fc\uc18c
\n\uc8fc\uc18c\uc758 \ud615\ud0dc, \uc758\ubbf8, \uad6c\uc131\uc740 Frame Control \ud544\ub4dc\uc758 To DS, From DS \uac12\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c4\ub2e4.<\/p>\n<\/li>\n\n
\n\uc870\uac01\ud654\ub418\uba74 \uc870\uac01\ub41c \ubaa8\ub4e0 \ud504\ub808\uc784\uc5d0\ub294 \ub3d9\uc77c\ud55c \uc21c\uc11c\ubc88\ud638 \ubd80\uc5ec.<\/li>\n<\/ul>\n<\/li>\n
\nType\uc740 \ub370\uc774\ud130\ud504\ub808\uc784(10)\uc774\uc5ec\uc57c \ud558\uace0,
\nSubtype\uc758 \uc0c1\uc704 1\ube44\ud2b8\uac00 1\uc774\uc5ec\uc57c Qos Data Frame\uc774\ub2e4.<\/p>\n<\/li>\n
\nThroughput : \ub124\ud2b8\uc6cc\ud06c \uc0c1\uc758 \ub2e4\ub978 \ud130\ubbf8\ub110\uc5d0\uac8c \uc804\ub2ec\ub418\ub294 \ub2e8\uc704 \uc2dc\uac04\ub2f9 \ub370\uc774\ud130 \uc804\uc1a1\uc73c\ub85c \ucc98\ub9ac\ud558\ub294 \uc591<\/p>\n<\/li>\n\ucc44\ub110<\/h2>\n
2.4 GHz \ub300\uc5ed<\/h3>\n
\n5 MHz \uac04\uaca9\uc73c\ub85c 14\uac1c\uc758 \ucc44\ub110\ub85c \ub098\ub269\ub2c8\ub2e4.
\n\ub9c8\uc9c0\ub9c9\uc758 \ucc44\ub110\uc5d0\ub294 \ucd94\uac00 \uaddc\uc81c\uac00 \uc788\uac70\ub098
\n\uc77c\ubd80 \uaddc\uc81c \uc601\uc5ed\uc5d0\uc11c\uc758 \uc6a9\ub3c4\ub97c \uc704\ud574 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n5 GHz \ub300\uc5ed<\/h3>\n
\n\uad6d\uac00\uac04 \uaddc\uc815\uc758 \ucc28\uc774\ub85c \uc778\ud574 \uc9c1\uad00\uc801\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"