{"id":8741,"date":"2026-03-23T23:19:38","date_gmt":"2026-03-23T14:19:38","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=8741"},"modified":"2026-03-23T23:23:49","modified_gmt":"2026-03-23T14:23:49","slug":"industrial-communications-systems-1%ec%9e%a5-4%ec%9e%a5-%ec%9a%94%ec%95%bd","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/industrial-communications-systems-1%ec%9e%a5-4%ec%9e%a5-%ec%9a%94%ec%95%bd\/","title":{"rendered":"Industrial Communications Systems 1\uc7a5 ~ 4\uc7a5 \uc694\uc57d"},"content":{"rendered":"\n

\uc6d0\uc11c PDF \ubc88\uc5ed \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ub0b4\uc6a9 \ub204\ub77d\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 4\ud398\uc774\uc9c0\uc529 \ub098\ub204\uc5b4 \ucea1\ucc98\ud55c \ub4a4 \ubc88\uc5ed\uacfc \uc790\uae30 \uac80\uc99d\uc744 \ubc18\ubcf5\ud558\ub294 \ubc29\uc2dd\uc744 \ud0dd\ud588\uc2b5\ub2c8\ub2e4.<\/strong> \uac80\uc99d \uacb0\uacfc 2\uc7a5 \uc804\uccb4\uc758 \ud14d\uc2a4\ud2b8, \uc218\uc2dd, \ud45c, \ucc38\uace0 \ubb38\ud5cc \ub4f1\uc774 \uc6d0\ubb38\uacfc \uc77c\uce58\ud568\uc744 \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4. \uc644\ubcbd\ud55c \ubc88\uc5ed\uc744 \uc704\ud574\uc11c\ub294 \ub204\ub77d\uc774 \ubc1c\uacac\ub418\uc9c0 \uc54a\uc744 \ub54c\uae4c\uc9c0 \ubc18\ubcf5\uc801\uc73c\ub85c \uad50\ucc28 \uac80\uc99d\uc744 \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4<\/strong>.<\/p>\n\n\n\n

\uc81c1\uc7a5: ISO\/OSI \ubaa8\ub378 \ud575\uc2ec \uc694\uc57d<\/strong><\/h2>\n\n\n\n

1. \ucd94\uc0c1\uc801 \uc815\uc758 (Abstract Definition)<\/strong><\/h3>\n\n\n\n

ISO\/OSI \ubaa8\ub378\uc740 \ud2b9\uc815 \ud558\ub4dc\uc6e8\uc5b4\ub098 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uad6c\ud604\uc744 \uc9c0\uc2dc\ud558\ub294 \uc124\uacc4\ub3c4\uac00 \uc544\ub2c8\ub77c, \ud1b5\uc2e0 \uacfc\uc815\uc744 7\uac1c \uacc4\uce35\uc73c\ub85c \ub098\ub208 \ucd94\uc0c1\uc801\uc778 \ucc38\uc870 \ubaa8\ub378<\/strong>\uc785\ub2c8\ub2e4. \uc774\ub294 \uc2e4\uc81c \uc2dc\uc2a4\ud15c\uc774 \uac00\uaca9, \uacbd\uc81c\uc131, \uc720\uc5f0\uc131\uc5d0 \ub530\ub77c \ubcc0\ud560 \uc218 \uc788\uc74c\uc744 \uc778\uc815\ud558\uba70, \uc124\uacc4\uc790\uac00 \ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc27d\uace0 \uc62c\ubc14\ub974\uac8c \uc815\uc758\ud558\uace0 \uc720\uc9c0\ubcf4\uc218\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\ub294 \uac00\uc774\ub4dc\ub77c\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

2. \uacc4\uce35\ud654\uc758 \uc6d0\uce59 (Principle of Layering)<\/strong><\/h3>\n\n\n\n

\ubcf5\uc7a1\ud55c \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc744 \ub3c5\ub9bd\uc801\uc778 \ub2e8\uc704\uc778 **\uacc4\uce35(Layer)**\uc73c\ub85c \ubd84\ub9ac\ud558\uc5ec \uad00\ub9ac\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

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  • \uc218\uc9c1\uc801 \uad6c\uc870:<\/strong> \uac01 \uacc4\uce35\uc740 \ubc14\ub85c \uc544\ub798 \uacc4\uce35\uc758 \uc11c\ube44\uc2a4\ub97c \uc774\uc6a9\ud558\uace0, \ubc14\ub85c \uc704 \uacc4\uce35\uc5d0 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
  • \ub3c5\ub9bd\uc131:<\/strong> \uc778\ud130\ud398\uc774\uc2a4\ub9cc \uc720\uc9c0\ub41c\ub2e4\uba74 \ud2b9\uc815 \uacc4\uce35\uc758 \ub0b4\ubd80 \uad6c\ud604(\ucf54\ub4dc\ub098 \ud558\ub4dc\uc6e8\uc5b4)\uc744 \ubcc0\uacbd\ud574\ub3c4 \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uc544 \ubaa8\ub4c8\uc131\uc744 \uadf9\ub300\ud654\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

    3. \uc0c1\ud638 \uc6b4\uc6a9\uc131 (Interoperability)<\/strong><\/h3>\n\n\n\n

    \ub2e8\uc21c\ud788 \uc7a5\uce58\ub97c \ubb3c\ub9ac\uc801\uc73c\ub85c \uc5f0\uacb0\ud558\ub294 ‘\uc0c1\ud638 \uc5f0\uacb0\uc131(Interconnectability)’\uc744 \ub118\uc5b4, \uc11c\ub85c \ub2e4\ub978 \uc81c\uc870\uc0ac\uc758 \uc7a5\uce58\ub4e4\uc774 \ub370\uc774\ud130\ub97c \uad50\ud658\ud558\uace0 \ud611\ub825\ud558\uc5ec \uc791\uc5c5\uc744 \uc644\uc218<\/strong>\ud560 \uc218 \uc788\ub294 \uc0c1\ud0dc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. OSI \ubaa8\ub378\uc740 \uc774\ub97c \uc704\ud574 \uacf5\uc2dd\uc801\uc778 \ud45c\uc900 \ud504\ub85c\ud1a0\ucf5c\uacfc \ub370\uc774\ud130 \ud615\uc2dd\uc744 \uc900\uc218\ud560 \uac83\uc744 \uc694\uad6c\ud558\uba70, \ucd5c\uadfc\uc5d0\ub294 \uc774\ub97c \uc644\ubcbd\ud788 \ub2ec\uc131\ud558\uae30 \uc704\ud574 7\uacc4\uce35 \uc704\uc5d0 ‘\ud504\ub85c\ud30c\uc77c(Profiles)’\uc774\ub77c\ub294 \uc81c8\uc758 \uacc4\uce35 \uac1c\ub150\uc744 \ub3c4\uc785\ud558\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    4. \uc11c\ube44\uc2a4 \ud504\ub9ac\ubbf8\ud2f0\ube0c (Service Primitives)<\/strong><\/h3>\n\n\n\n

    \uc0c1\ud558\uc704 \uacc4\uce35 \uac04\uc758 \uc218\uc9c1\uc801 \ud1b5\uc2e0\uc744 \uc81c\uc5b4\ud558\ub294 4\uac00\uc9c0 \uae30\ubcf8 \ub3d9\uc791 \ub2e8\uc704\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

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    • Request(\uc694\uccad):<\/strong> \uc0c1\uc704\uac00 \ud558\uc704\uc5d0\uac8c \uc11c\ube44\uc2a4 \ud638\ucd9c.<\/li>\n\n\n\n
    • Indication(\uc9c0\uc2dc):<\/strong> \ud558\uc704\uac00 \uc0c1\uc704\uc5d0\uac8c \ud638\ucd9c \uc54c\ub9bc.<\/li>\n\n\n\n
    • Response(\uc751\ub2f5):<\/strong> \ud638\ucd9c\uc5d0 \ub300\ud55c \uc0c1\uc704\uc758 \ubc18\uc751.<\/li>\n\n\n\n
    • Confirm(\ud655\uc778):<\/strong> \uc791\uc5c5 \uc644\ub8cc\ub97c \ud558\uc704\uac00 \uc0c1\uc704\uc5d0\uac8c \uc54c\ub9bc. \uc774 \uad6c\uc870\ub294 \ub9c8\uc2a4\ud130-\uc2ac\ub808\uc774\ube0c \uad00\uacc4\uc640 \uc720\uc0ac\ud558\uba70, \uacc4\uce35 \uac04\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uccb4\uacc4\ud654\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

      5. \uc624\ubc84\ud5e4\ub4dc\uc640 \uc2e4\uc2dc\uac04\uc131 (Overhead vs. Real-time)<\/strong><\/h3>\n\n\n\n

      \uc774 \ubaa8\ub378\uc758 \uac00\uc7a5 \ud070 \uc2e4\ubb34\uc801 \ub17c\uc758\uc810\uc785\ub2c8\ub2e4. 7\uac1c \uacc4\uce35\uc744 \ubaa8\ub450 \uad6c\ud604\ud558\uba74 \uad6c\uc870\ub294 \ub17c\ub9ac\uc801\uc774\uc9c0\ub9cc, \ub370\uc774\ud130\uc5d0 \ubd99\ub294 \uc81c\uc5b4 \uc815\ubcf4(PCI)\uac00 \ub9ce\uc544\uc838 \uc624\ubc84\ud5e4\ub4dc<\/strong>\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc2e4\uc2dc\uac04 \uc751\ub2f5\uc774 \uc911\uc694\ud55c \uc0b0\uc5c5 \uc790\ub3d9\ud654(\ud544\ub4dc\ubc84\uc2a4)\uc5d0\uc11c\ub294 \uc911\uac04 \uacc4\uce35\uc744 \uc0dd\ub7b5\ud55c **\ucd95\uc18c\ub41c \uc2a4\ud0dd(Collapsed Stack)**\uc744 \uc8fc\ub85c \uc0ac\uc6a9\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uc81c2\uc7a5: \ub9e4\uccb4\ubcc4 \ud575\uc2ec \uae30\uc220 \uc815\ub9ac<\/strong><\/h2>\n\n\n\n

      1. \uc720\uc120 \ub9c1\ud06c (Wired Links)<\/strong><\/h3>\n\n\n\n

      \uad6c\ub9ac\uc120\uacfc \uac19\uc740 \uc804\ub3c4\uccb4\ub97c \ud1b5\ud574 \uc804\uc790\uae30\ud30c\ub97c \uc804\uc1a1\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

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      • \ud575\uc2ec \uae30\uc220 (\ucc28\ub3d9 \uc804\uc1a1):<\/strong> \ub2e8\uc77c \uc120\uc744 \uc4f0\ub294 SE(Single-Ended) \ubc29\uc2dd\ubcf4\ub2e4 \ub178\uc774\uc988\uc5d0 \uac15\ud55c \ucc28\ub3d9(Differential) \uc804\uc1a1<\/strong>\uc774 \ud575\uc2ec\uc785\ub2c8\ub2e4. \ub450 \uc120\uc758 \uc804\uc555 \ucc28\ub97c \uc774\uc6a9\ud574 \uc678\ubd80 \uac04\uc12d\uc744 \uc0c1\uc1c4\ud558\uba70, \ud2b8\uc704\uc2a4\ud2f0\ub4dc \ud398\uc5b4(Twisted Pair) \uad6c\uc870\uc640 \uacb0\ud569\ud558\uc5ec \uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc2e4\ud604\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
      • \ubb3c\ub9ac\uc801 \uc81c\uc57d:<\/strong> \ucf00\uc774\ube14\uc758 \uae38\uc774\uc5d0 \ub530\ub77c \uac10\uc1e0\uc640 \ubd84\uc0b0\uc774 \ubc1c\uc0dd\ud558\uba70, \uc774\ub294 \uace7 \uc804\uc1a1 \uac00\ub2a5\ud55c \ube44\ud2b8 \uc804\uc1a1\ub960(Bit Rate)\uc758 \uc81c\ud55c\uc73c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

        2. \uad11 \ub9c1\ud06c (Optical Links)<\/strong><\/h3>\n\n\n\n

        \ube5b(\uad11\uc790)\uc744 \uc774\uc6a9\ud574 \uc815\ubcf4\ub97c \uc804\ub2ec\ud558\uba70, \ud604\ub300 \ud1b5\uc2e0\uc5d0\uc11c \uac00\uc7a5 \ub192\uc740 \ub300\uc5ed\ud3ed\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

          \n
        • \ud575\uc2ec \uae30\uc220 (\uc804\ubc18\uc0ac \ubc0f WDM):<\/strong> \uc720\ub9ac \uc12c\uc720 \ub0b4\ubd80\uc5d0\uc11c \ube5b\uc774 \ubc16\uc73c\ub85c \uc0c8 \ub098\uac00\uc9c0 \uc54a\uac8c \uac00\ub450\ub294 \uc804\ubc18\uc0ac(Total Internal Reflection)<\/strong> \uc6d0\ub9ac\ub97c \uc774\uc6a9\ud569\ub2c8\ub2e4. \ub610\ud55c, \ud558\ub098\uc758 \uc12c\uc720\uc5d0 \uc5ec\ub7ec \ud30c\uc7a5\uc758 \ube5b\uc744 \ub3d9\uc2dc\uc5d0 \ubcf4\ub0b4\ub294 \ud30c\uc7a5 \ubd84\ud560 \ub2e4\uc911\ud654(WDM)<\/strong> \uae30\uc220\uc744 \ud1b5\ud574 \uc804\uc1a1 \uc6a9\ub7c9\uc744 \ud68d\uae30\uc801\uc73c\ub85c \ub192\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
        • \ubb3c\ub9ac\uc801 \uc81c\uc57d:<\/strong> \uc720\ub9ac \uc7ac\ub8cc \uc790\uccb4\uc758 \ubd88\uc21c\ubb3c\uc5d0 \uc758\ud55c \uac10\uc1e0\uc640, \uad11 \ud384\uc2a4\uac00 \ud37c\uc9c0\ub294 \ubd84\uc0b0(Dispersion)<\/strong> \ud604\uc0c1\uc774 \uc7a5\uac70\ub9ac \uc804\uc1a1\uc758 \uc8fc\uc694 \uc7a5\uc560 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

          3. \ubb34\uc120 \ub9c1\ud06c (Wireless Links)<\/strong><\/h3>\n\n\n\n

          \ucf00\uc774\ube14 \uc5c6\uc774 \uc790\uc720 \uacf5\uac04\uc73c\ub85c \uc804\uc790\uae30\ud30c\ub97c \ubc29\uc0ac\ud558\uc5ec \ud1b5\uc2e0\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

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          • \ud575\uc2ec \uae30\uc220 (\ubcc0\uc870 \ubc0f \ub2e4\uc911 \uc811\uc18d):<\/strong> \uc81c\ud55c\ub41c \uc8fc\ud30c\uc218 \uc790\uc6d0\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uc4f0\uae30 \uc704\ud55c **OFDM(\uc9c1\uad50 \uc8fc\ud30c\uc218 \ubd84\ud560 \ub2e4\uc911\ud654)**\uc774\ub098 CDMA(\ucf54\ub4dc \ubd84\ud560 \ub2e4\uc911 \uc811\uc18d)<\/strong> \uac19\uc740 \ubcf5\uc7a1\ud55c \ubcc0\uc870 \ubc0f \uacf5\uc720 \uae30\uc220\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
          • \ubb3c\ub9ac\uc801 \uc81c\uc57d:<\/strong> \uac00\uc2dc\uc120(Line of Sight) \ud655\ubcf4\ub97c \uc704\ud55c \ud504\ub808\ub12c \uc874(Fresnel Zone)<\/strong> \uad00\ub9ac, \uadf8\ub9ac\uace0 \uac74\ubb3c\uc774 \ubb3c\uccb4\uc5d0 \ubc18\uc0ac\ub418\uc5b4 \uc2e0\ud638\uac00 \uc65c\uace1\ub418\ub294 \ub2e4\uc911 \uacbd\ub85c \ud398\uc774\ub529(Multipath Fading)<\/strong> \ud604\uc0c1\uc774 \uc720\uc120\ubcf4\ub2e4 \ud6e8\uc52c \uc2ec\uac01\ud55c \uc624\ub958(BER)\ub97c \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
            \uad6c\ubd84<\/strong><\/td>\uc720\uc120 (Wired)<\/strong><\/td>\uad11 (Optical)<\/strong><\/td>\ubb34\uc120 (Wireless)<\/strong><\/td><\/tr><\/thead>
            \uc8fc\uc694 \ub9e4\uccb4<\/strong><\/td>\uad6c\ub9ac\uc120 (TP, \ub3d9\ucd95)<\/td>\uc720\ub9ac\/\ud50c\ub77c\uc2a4\ud2f1 \uc12c\uc720<\/td>\uc790\uc720 \uacf5\uac04 (\uacf5\uae30)<\/td><\/tr>
            \uc2e0\ud638 \ud615\ud0dc<\/strong><\/td>\uc804\uae30 \uc2e0\ud638 (\uc804\uc555\/\uc804\ub958)<\/td>\uad11 \uc2e0\ud638 (\uad11\uc790)<\/td>\uc804\uc790\uae30\ud30c (RF)<\/td><\/tr>
            \ucd5c\ub300 \uc7a5\uc810<\/strong><\/td>\uc800\ube44\uc6a9, \uc124\uce58 \uc6a9\uc774\uc131<\/td>\ucd08\uace0\uc18d, \uc7a5\uac70\ub9ac, \ub178\uc774\uc988 \ubb34\uad00<\/td>\uc774\ub3d9\uc131, \ubc30\uc120 \ubd88\ud544\uc694<\/td><\/tr>
            \uc8fc\uc694 \uacfc\uc81c<\/strong><\/td>\uc804\uc790\uae30 \uac04\uc12d (EMI)<\/td>\uad74\uace1 \uc190\uc2e4, \uace0\uac00 \uc7a5\ube44<\/td>\ud398\uc774\ub529, \ubcf4\uc548, \uac04\uc12d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
            \n\n\n\n

            \ubb34\uc120 \ud1b5\uc2e0\uc774 \ud558\ud504 \ub4c0\ud50c\ub809\uc2a4(Half-duplex)<\/strong>\ub77c\ub294 \uac83\uc740 \uc27d\uac8c \ub9d0\ud574 “\uc591\ubc29\ud5a5 \ud1b5\uc2e0\uc740 \uac00\ub2a5\ud558\uc9c0\ub9cc, \ub3d9\uc2dc\uc5d0 \uc8fc\uace0\ubc1b\uc744 \uc218\ub294 \uc5c6\ub2e4”<\/strong>\ub294 \ub73b\uc785\ub2c8\ub2e4. \uac00\uc7a5 \uc9c1\uad00\uc801\uc778 \ube44\uc720\ub294 \ubb34\uc804\uae30(Walkie-talkie)<\/strong>\uc785\ub2c8\ub2e4. \ub0b4\uac00 \ub9d0\uc744 \ud560 \ub54c\ub294 \uc0c1\ub300\ubc29\uc758 \ub9d0\uc744 \ub4e4\uc744 \uc218 \uc5c6\uace0, \uc0c1\ub300\ubc29\uc774 \ub9d0\uc744 \ud558\ub824\uba74 \ub0b4\uac00 \ub9d0\uc744 \ub05d\ub0b4\uace0 \ubc84\ud2bc\uc744 \ub5bc\uc57c \ud558\ub294 \uac83\uacfc \uac19\uc740 \uc6d0\ub9ac\uc8e0.<\/p>\n\n\n\n

            1. \ud1b5\uc2e0 \ubc29\uc2dd\uc758 3\ub2e8\uacc4 \ube44\uad50<\/strong><\/h2>\n\n\n\n

            \ubb34\uc120\uacfc \uc720\uc120\uc758 \ucc28\uc774\ub97c \uc774\ud574\ud558\uae30 \uc704\ud574 \ud1b5\uc2e0 \ubc29\uc2dd\uc744 \uc138 \uac00\uc9c0\ub85c \ub098\ub204\uc5b4 \ubcf4\uba74 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

            \ubc29\uc2dd<\/strong><\/td>\ud2b9\uc9d5<\/strong><\/td>\ube44\uc720<\/strong><\/td>\ub300\ud45c \uc608\uc2dc<\/strong><\/td><\/tr><\/thead>
            \uc2ec\ud50c\ub809\uc2a4 (Simplex)<\/strong><\/td>\ud55c\ucabd \ubc29\ud5a5\uc73c\ub85c\ub9cc \uc804\uc1a1 \uac00\ub2a5<\/td>\uc77c\ubc29\ud1b5\ud589 \ub3c4\ub85c<\/td>TV \ubc29\uc1a1, \ub77c\ub514\uc624<\/td><\/tr>
            \ud558\ud504 \ub4c0\ud50c\ub809\uc2a4 (Half-duplex)<\/strong><\/td>\uc591\ubc29\ud5a5 \uc804\uc1a1\uc774 \uac00\ub2a5\ud558\ub098, \ub3d9\uc2dc\uc5d0\ub294 \ubd88\uac00<\/strong><\/td>\uc881\uc740 \uc678\ub098\ubb34\ub2e4\ub9ac<\/td>\ubb34\uc120(Wi-Fi)<\/strong>, \ubb34\uc804\uae30<\/td><\/tr>
            \ud480 \ub4c0\ud50c\ub809\uc2a4 (Full-duplex)<\/strong><\/td>\ub3d9\uc2dc\uc5d0<\/strong> \uc591\ubc29\ud5a5 \uc804\uc1a1 \uac00\ub2a5<\/td>\uc655\ubcf5 \ucc28\uc120 \ub3c4\ub85c<\/td>\uc804\ud654\uae30, \uc720\uc120 \uc774\ub354\ub137<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

            2. \ubb34\uc120\uc740 \uc65c \ud558\ud504 \ub4c0\ud50c\ub809\uc2a4\uc77c\uae4c\uc694?<\/strong><\/h2>\n\n\n\n

            \ubb34\uc120 \ud1b5\uc2e0(Wi-Fi \ub4f1)\uc774 \ud558\ud504 \ub4c0\ud50c\ub809\uc2a4\ub85c \ub3d9\uc791\ud558\ub294 \ub370\uc5d0\ub294 \ubb3c\ub9ac\uc801\uc778 \uae30\uc220\uc801 \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

              \n
            • \uc790\uae30 \uac04\uc12d(Self-interference):<\/strong> \ubb34\uc120 \uc7a5\uce58\uac00 \ub370\uc774\ud130\ub97c \ubcf4\ub0b4\ub294 \uc548\ud14c\ub098\uc758 \uc2e0\ud638\ub294 \ub9e4\uc6b0 \uac15\ub825\ud569\ub2c8\ub2e4. \ubc18\uba74, \uba40\ub9ac\uc11c \uc624\ub294 \uc218\uc2e0 \uc2e0\ud638\ub294 \uc544\uc8fc \ubbf8\uc57d\ud558\uc8e0. \ub9cc\uc57d \ud55c \uc548\ud14c\ub098\ub85c \ub3d9\uc2dc\uc5d0 \ubcf4\ub0b4\uace0 \ubc1b\uc73c\ub824\uace0 \ud558\uba74, \uc790\uc2e0\uc758 \uac15\ub825\ud55c \uc1a1\uc2e0 \uc2e0\ud638\uac00 \ubbf8\uc57d\ud55c \uc218\uc2e0 \uc2e0\ud638\ub97c \uc644\uc804\ud788 \ub36e\uc5b4\ubc84\ub9ac\uac8c \ub429\ub2c8\ub2e4.<\/li>\n\n\n\n
            • \ub2e8\uc77c \ucc44\ub110 \uacf5\uc720:<\/strong> \ud2b9\uc815 \uc8fc\ud30c\uc218(\ucc44\ub110)\ub97c \uacf5\uc720\ud574\uc11c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0, \ud55c \uc2dc\uc810\uc5d0\ub294 \ub204\uad70\uac00 ‘\ub9d0’\uc744 \ud558\uace0 \uc788\uac70\ub098 ‘\ub4e3\uace0’ \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ub3d9\uc2dc\uc5d0 \ub450 \uc2e0\ud638\uac00 \uac19\uc740 \uc8fc\ud30c\uc218\uc5d0 \uc874\uc7ac\ud558\uba74 \ud30c\ud615\uc774 \uacb9\uccd0 \ub370\uc774\ud130\uac00 \uae68\uc9c0\ub294 **\ucda9\ub3cc(Collision)**\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
              \n\n\n\n

              3. \ud558\ud504 \ub4c0\ud50c\ub809\uc2a4\uac00 \ubbf8\uce58\ub294 \uc601\ud5a5<\/strong><\/h2>\n\n\n\n

              \ubb34\uc120\uc774 \ud558\ud504 \ub4c0\ud50c\ub809\uc2a4\uc774\uae30 \ub54c\ubb38\uc5d0 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uacfc \ud6a8\uc728 \uba74\uc5d0\uc11c \uba87 \uac00\uc9c0 \uc81c\uc57d\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

                \n
              1. \uc2e4\uc81c \uc18d\ub3c4\uc758 \ucc28\uc774:<\/strong> \uc81c\ud488 \ubc15\uc2a4\uc5d0 ‘1Gbps’\ub77c\uace0 \uc801\ud600 \uc788\uc5b4\ub3c4 \uc2e4\uc81c \uccb4\uac10 \uc18d\ub3c4\uac00 \uadf8\uc5d0 \ubabb \ubbf8\uce58\ub294 \uc774\uc720 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \uc804\uc1a1(TX)\uacfc \uc218\uc2e0(RX)\uc774 \uc2dc\uac04\uc744 \ub098\ub220 \uc368\uc57c \ud558\ubbc0\ub85c, \uc774\ub860\uc0c1 \ucd5c\ub300 \uc18d\ub3c4\uc758 \uc808\ubc18 \uc815\ub3c4\uac00 \uc2e4\uc9c8\uc801\uc778 \ud55c\uacc4\uce58\uac00 \ub429\ub2c8\ub2e4.<\/li>\n\n\n\n
              2. CSMA\/CA \ub3c4\uc785:<\/strong> \ucda9\ub3cc\uc744 \ud53c\ud558\uae30 \uc704\ud574 \ubb34\uc120 \uc7a5\uce58\ub4e4\uc740 \ub370\uc774\ud130\ub97c \ubcf4\ub0b4\uae30 \uc804 “\uc9c0\uae08 \ub204\uac00 \ucc44\ub110\uc744 \uc4f0\uace0 \uc788\ub098?”\ub97c \uba3c\uc800 \uc0b4\ud53c\ub294 CSMA\/CA(\ucda9\ub3cc \ud68c\ud53c)<\/strong> \uacfc\uc815\uc744 \uac70\uce69\ub2c8\ub2e4. \uc774 \uacfc\uc815 \uc790\uccb4\uac00 \ub124\ud2b8\uc6cc\ud06c \uc624\ubc84\ud5e4\ub4dc(\ube44\uc6a9)\uac00 \ub429\ub2c8\ub2e4.<\/li>\n\n\n\n
              3. \uc7a5\uce58 \uc218 \uc99d\uac00\uc5d0 \ub530\ub978 \uc9c0\uc5f0:<\/strong> \uc811\uc18d\ub41c \uc7a5\uce58\uac00 \ub9ce\uc544\uc9c8\uc218\ub85d ‘\ub9d0\ud560 \uae30\ud68c’\ub97c \uae30\ub2e4\ub9ac\ub294 \uc2dc\uac04\uc774 \uae38\uc5b4\uc9c0\uae30 \ub54c\ubb38\uc5d0 \ub300\uae30 \uc2dc\uac04\uc774 \ub298\uc5b4\ub0a9\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n
                \n\n\n\n

                \uc815\ub9ac\ud558\uc790\uba74<\/strong><\/h3>\n\n\n\n

                \ubb34\uc120 \ud1b5\uc2e0\uc740 \ub208\uc5d0 \ubcf4\uc774\uc9c0 \uc54a\ub294 **’\ub2e8\uc120 \ub3c4\ub85c’**\uc640 \uac19\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130\ub97c \uc8fc\uace0\ubc1b\uc744 \uc218\ub294 \uc788\uc9c0\ub9cc, \ud55c \ubc88\uc5d0 \ud55c \ubc29\ud5a5\uc73c\ub85c\ub9cc \ucc28\uac00 \uc9c0\ub098\uac08 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc2e0\ud638\ub4f1(\ub9e4\uccb4 \uc561\uc138\uc2a4 \uc81c\uc5b4)\uc774 \ud544\uc218\uc801\uc774\uba70, \uc774\ub85c \uc778\ud574 \uc720\uc120(\uc655\ubcf5 \ub3c4\ub85c)\ubcf4\ub2e4\ub294 \ud6a8\uc728\uc774 \ub5a8\uc5b4\uc9c8 \uc218\ubc16\uc5d0 \uc5c6\ub294 \uad6c\uc870\uc801 \ud2b9\uc9d5\uc744 \uac00\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n

                \ucd5c\uadfc\uc5d0\ub294 MU-MIMO<\/strong>\ub098 Wi-Fi 6\/7<\/strong> \uae30\uc220\uc744 \ud1b5\ud574 \uc5ec\ub7ec \uc7a5\uce58\uac00 \ub3d9\uc2dc\uc5d0 \ud1b5\uc2e0\ud558\ub294 \uac83\ucc98\ub7fc \ubcf4\uc774\uac8c \ud558\uac70\ub098 \ud6a8\uc728\uc744 \uadf9\ub300\ud654\ud558\uace0 \uc788\uc9c0\ub9cc, \uadfc\ubcf8\uc801\uc778 \ubb3c\ub9ac \uacc4\uce35\uc758 \ub3d9\uc791 \uc6d0\ub9ac\ub294 \uc5ec\uc804\ud788 \ud558\ud504 \ub4c0\ud50c\ub809\uc2a4\uc5d0 \uae30\ubc18\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

                \uc81c3\uc7a5 \ub9e4\uccb4 \uc561\uc138\uc2a4 \uc81c\uc5b4: 5\ub300 \ud575\uc2ec \ud0a4\uc6cc\ub4dc<\/strong><\/h2>\n\n\n\n

                1. \uc561\uc138\uc2a4 \uc911\uc7ac (Access Arbitration)<\/strong><\/h3>\n\n\n\n

                \ud558\ud504\ub4c0\ud50c\ub809\uc2a4(Half-duplex)\uc640 \uac19\uc774 \uc790\uc6d0\uc774 \uc81c\ud55c\ub41c \uacf5\uc720 \ub9e4\uccb4\uc5d0\uc11c “\ub204\uac00, \uc5b8\uc81c, \uc5bc\ub9c8\ub098 \uc624\ub7ab\ub3d9\uc548”<\/strong> \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560\uc9c0 \uacb0\uc815\ud558\ub294 \ucd5c\uc0c1\uc704 \uaddc\uce59\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

                  \n
                • \uc0c1\uc138 \uc124\uba85:<\/strong> \ub2e8\uc21c\ud788 \uc21c\uc11c\ub97c \uc815\ud558\ub294 \uac83\uc744 \ub118\uc5b4, \ucda9\ub3cc\uc744 \ubc29\uc9c0\ud558\uace0 \ub9e4\uccb4 \uc774\uc6a9 \ud6a8\uc728\uc744 \uadf9\ub300\ud654\ud558\ub294 \uac83\uc774 \ubaa9\uc801\uc785\ub2c8\ub2e4. \uc911\uc559 \uc81c\uc5b4 \uc7a5\uce58\uac00 \uad8c\ud55c\uc744 \ubd80\uc5ec\ud558\ub294 ‘\ub3d9\uae30\uc2dd’ \ubc29\uc2dd\uacfc \uac01 \uc7a5\uce58\uac00 \ud655\ub960\uc801\uc73c\ub85c \uc811\uadfc\ud558\ub294 ‘\ud1b5\uacc4\uc801’ \ubc29\uc2dd\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4. \uc774\ub294 \ub124\ud2b8\uc6cc\ud06c\uc758 \ucc98\ub9ac\ub7c9(Throughput)\uacfc \uc9c0\uc5f0 \uc2dc\uac04(Latency)\uc5d0 \uacb0\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                  2. \uc9c0\uc218 \ubc31\uc624\ud504 (Exponential Backoff)<\/strong><\/h3>\n\n\n\n

                  CSMA\/CD\uc640 \uac19\uc740 \ucda9\ub3cc \uac10\uc9c0 \ubc29\uc2dd\uc5d0\uc11c \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud588\uc744 \ub54c, \uc7ac\uc804\uc1a1 \uc2dc\uc810\uc758 \ud63c\uc7a1\uc744 \ubb3c\ub9ac\uc801\uc73c\ub85c \ud68c\ud53c\ud558\uae30 \uc704\ud55c \ud655\ub960\uc801 \ub300\uae30 \uc54c\uace0\ub9ac\uc998<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

                    \n
                  • \uc0c1\uc138 \uc124\uba85:<\/strong> \ucda9\ub3cc\uc774 \ud55c \ubc88 \ubc1c\uc0dd\ud558\uba74 \ub300\uae30 \uc2dc\uac04\uc758 \ubc94\uc704\ub97c $2^{1}$\ub85c \uc124\uc815\ud558\uace0, \uc5f0\uc18d\ud574\uc11c \ucda9\ub3cc\ud560\uc218\ub85d \uadf8 \ubc94\uc704\ub97c $2^{2}, 2^{3}, \\dots, 2^{n}$\uacfc \uac19\uc774 \uae30\ud558\uae09\uc218\uc801\uc73c\ub85c \ub298\ub9bd\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc5ec\ub7ec \uc7a5\uce58\uac00 \ub3d9\uc2dc\uc5d0 \uc7ac\uc804\uc1a1\uc744 \uc2dc\ub3c4\ud558\uc5ec \ub2e4\uc2dc \ucda9\ub3cc\ud560 \ud655\ub960\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ub0ae\ucd94\uba70, \ub124\ud2b8\uc6cc\ud06c\uac00 \ub9c8\ube44\ub418\ub294 ‘\uc5f0\uc1c4 \ucda9\ub3cc’ \ud604\uc0c1\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                    3. \ud655\uc815\uc801 \ud1b5\uc2e0 (Deterministic Communication)<\/strong><\/h3>\n\n\n\n

                    \ud2b9\uc815 \ub370\uc774\ud130\uac00 \uc815\ud574\uc9c4 \uc2dc\uac04 \uc81c\ud55c(Deadline) \ub0b4\uc5d0 \ubc18\ub4dc\uc2dc \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ucc29\ud560 \uac83\uc784\uc744 \uc218\ud559\uc801\uc73c\ub85c \ubcf4\uc7a5\ud560 \uc218 \uc788\ub294 \ud2b9\uc131<\/strong>\uc744 \ub9d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

                      \n
                    • \uc0c1\uc138 \uc124\uba85:<\/strong> \ubcf8\ubb38\uc5d0\uc11c \ub2e4\ub8ec ‘\ud1a0\ud070 \uba54\ucee4\ub2c8\uc998’\uc774\ub098 ‘\uc815\uc801 \ud0c0\uc784\uc2ac\ub86f’ \ubc29\uc2dd\uc774 \uc774\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4. \ud1b5\uacc4\uc801 \ubc29\uc2dd(\uc54c\ub85c\ud558, CSMA)\uc740 \uc6b4\uc774 \ub098\uc058\uba74 \uc804\uc1a1\uc774 \uacc4\uc18d \ubc00\ub9b4 \uc218 \uc788\uc9c0\ub9cc, \ud655\uc815\uc801 \ubc29\uc2dd\uc740 \ucd5c\uc545\uc758 \uacbd\uc6b0\uc5d0\ub3c4 \uc5b8\uc81c \uc790\uae30 \ucc28\ub840\uac00 \uc624\ub294\uc9c0 \uacc4\uc0b0\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc774\ub294 \uc624\ucc28 \uc5c6\ub294 \uc815\ubc00 \uc81c\uc5b4\uac00 \ud544\uc694\ud55c \uc2a4\ub9c8\ud2b8 \ud329\ud1a0\ub9ac\ub098 \uc0b0\uc5c5\uc6a9 \uc790\ub3d9\ud654 \uc2dc\uc2a4\ud15c\uc758 \ud575\uc2ec \uc694\uad6c\uc0ac\ud56d\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                      4. \uc11c\ube44\uc2a4 \ud488\uc9c8 (Quality of Service, QoS)<\/strong><\/h3>\n\n\n\n

                      \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ud750\ub974\ub294 \ub2e4\uc591\ud55c \ub370\uc774\ud130\uc5d0 \uc6b0\uc120\uc21c\uc704\ub97c \ubd80\uc5ec<\/strong>\ud558\uc5ec, \uc911\uc694\ud55c \ud2b8\ub798\ud53d\uc774 \uc790\uc6d0\uc744 \uba3c\uc800 \uc810\uc720\ud558\ub3c4\ub85d \uad00\ub9ac\ud558\ub294 \uae30\uc220\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

                        \n
                      • \uc0c1\uc138 \uc124\uba85:<\/strong> \ubaa8\ub4e0 \ub370\uc774\ud130\ub97c \ub3d9\ub4f1\ud558\uac8c \ucc98\ub9ac\ud558\ub294 \ub300\uc2e0, \ube44\uc0c1 \uc815\uc9c0 \uc2e0\ud638\uc640 \uac19\uc740 ‘\uc2e4\uc2dc\uac04 \ub370\uc774\ud130’\ub97c \uc77c\ubc18\uc801\uc778 \uc0c1\ud0dc \ub85c\uadf8\uc640 \uac19\uc740 ‘\ube44\uc2e4\uc2dc\uac04 \ub370\uc774\ud130’\ubcf4\ub2e4 \uba3c\uc800 \uc804\uc1a1 \ud050(Queue)\uc758 \ub9e8 \uc55e\uc5d0 \ubc30\uce58\ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uacc4\uce35\ud654(Layering)\uc640 \uc815\uad50\ud55c \uc2a4\ucf00\uc904\ub9c1 \uc54c\uace0\ub9ac\uc998\uc774 \ub3d9\uc6d0\ub418\uba70, \uc81c\ud55c\ub41c \ub300\uc5ed\ud3ed \ub0b4\uc5d0\uc11c \uc2dc\uc2a4\ud15c\uc758 \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                        5. \uc228\uaca8\uc9c4 \ub178\ub4dc \ubb38\uc81c\uc640 RTS\/CTS (Hidden Stations & RTS\/CTS)<\/strong><\/h3>\n\n\n\n

                        \ubb34\uc120 \ud658\uacbd\uc5d0\uc11c \ubb3c\ub9ac\uc801 \uac70\ub9ac\ub098 \uc7a5\uc560\ubb3c\ub85c \uc778\ud574 \uc11c\ub85c\uc758 \uc874\uc7ac\ub97c \ubaa8\ub974\ub294 \uc7a5\uce58\ub4e4\uc774 \ub3d9\uc2dc\uc5d0 \uc804\uc1a1\uc744 \uc2dc\ub3c4\ud558\uc5ec \ubc1c\uc0dd\ud558\ub294 \uc2e0\ud638 \ucda9\ub3cc \ud604\uc0c1\uacfc \uadf8 \ud574\uacb0\ucc45<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

                          \n
                        • \uc0c1\uc138 \uc124\uba85:<\/strong> \uc2a4\ud14c\uc774\uc158 A\uc640 B\uac00 \uc11c\ub85c \uc9c1\uc811 \ud1b5\uc2e0\uc740 \uc548 \ub418\uc9c0\ub9cc \ub458 \ub2e4 \uae30\uc9c0\uad6d(AP)\uacfc\ub294 \uc5f0\uacb0\ub420 \ub54c, \uc11c\ub85c \uc804\uc1a1 \uc911\uc784\uc744 \uac10\uc9c0\ud558\uc9c0 \ubabb\ud574 \ucda9\ub3cc\uc774 \uc77c\uc5b4\ub0a9\ub2c8\ub2e4. \uc774\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ub370\uc774\ud130\ub97c \ubcf4\ub0b4\uae30 \uc804 “\ubcf4\ub0b4\ub3c4 \ub420\uae4c\uc694?(RTS)”\ub77c\uace0 \ubb3b\uace0, \uae30\uc9c0\uad6d\uc774 “\ubcf4\ub0b4\uc138\uc694(CTS)”\ub77c\uace0 \uc751\ub2f5\ud558\ub294 \uacfc\uc815\uc744 \uac70\uce69\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c CTS \uc2e0\ud638\ub97c \ub4e4\uc740 \uc8fc\ubcc0 \ub178\ub4dc\ub4e4\uc740 \uc77c\uc815 \uc2dc\uac04 \uc804\uc1a1\uc744 \uba48\ucd94\uac8c \ub418\uc5b4 \ucda9\ub3cc \uad6c\uc5ed\uc744 \ubb3c\ub9ac\uc801\uc73c\ub85c \uc608\uc57d\ud558\ub294 \ud6a8\uacfc\ub97c \ub0c5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                          \uc81c4\uc7a5 \ubb34\uc120 \ub77c\uc6b0\ud305\uc758 \ub17c\ub9ac\uc801 \ud750\ub984: 5\ub300 \ud575\uc2ec \ud0a4\uc6cc\ub4dc<\/strong><\/h2>\n\n\n\n

                          1. \ubb34\uc120 \uba54\uc2dc \ub124\ud2b8\uc6cc\ud06c (Wireless Mesh Network, WMN): \uc778\ud504\ub77c\uc758 \ud1a0\ub300<\/strong><\/h3>\n\n\n\n

                          \ubaa8\ub4e0 \ub77c\uc6b0\ud305 \uc804\ub7b5\uc774 \uc2e4\ud589\ub418\ub294 \ubb3c\ub9ac\uc801\u00b7\ub17c\ub9ac\uc801 \uae30\ubc18<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

                            \n
                          • \uc124\uba85:<\/strong> \uace0\uc815\ub41c \uc720\uc120 \ub9dd \uc5c6\uc774\ub3c4 \ub178\ub4dc\ub4e4\uc774 \uc2a4\uc2a4\ub85c \uadf8\ubb3c\ub9dd(Mesh)\ucc98\ub7fc \uc5f0\uacb0\ub418\uc5b4 \ud638\uc2a4\ud2b8\uc640 \ub77c\uc6b0\ud130 \uc5ed\ud560\uc744 \ub3d9\uc2dc\uc5d0 \uc218\ud589\ud558\ub294 \uad6c\uc870\uc785\ub2c8\ub2e4. \uc774 ‘\uc790\uae30 \uad6c\uc131’ \ub2a5\ub825\uc774 \uc788\uae30\uc5d0 \uc544\ub798\uc758 \ub3d9\uc801\uc778 \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\ub4e4\uc774 \uc874\uc7ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0b0\uc5c5 \ud604\uc7a5\uc5d0\uc11c \ub04a\uae40 \uc5c6\ub294 \uc5f0\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \uac00\uc7a5 \uadfc\ubcf8\uc801\uc778 \ud1a0\ub300\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                            2. \ubc18\uc751\ud615 \ub77c\uc6b0\ud305 (Reactive Routing): \ud6a8\uc728\uc801 \uacbd\ub85c \ud0d0\uc0c9<\/strong><\/h3>\n\n\n\n

                            \ud1a0\ub300\uac00 \ub9c8\ub828\ub41c \ud6c4, **”\uc5b8\uc81c \uacbd\ub85c\ub97c \ucc3e\uc744 \uac83\uc778\uac00”**\uc5d0 \ub300\ud55c \ud6a8\uc728\uc131 \uc911\uc2ec\uc758 \uc804\ub7b5\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

                              \n
                            • \uc124\uba85:<\/strong> \ubb34\uc120 \ud658\uacbd\uc740 \ub178\ub4dc\uc758 \uc774\ub3d9\uc774 \uc7a6\uc544 \uacbd\ub85c\uac00 \uc790\uc8fc \ub04a\uae41\ub2c8\ub2e4. \ubbf8\ub9ac \ubaa8\ub4e0 \uacbd\ub85c\ub97c \uc800\uc7a5(\uc0ac\uc804\uad6c\ucd95\ud615)\ud558\uba74 \ub0ad\ube44\uac00 \uc2ec\ud558\ubbc0\ub85c, \uc2e4\uc81c \ub370\uc774\ud130 \uc804\uc1a1\uc774 \ud544\uc694\ud560 \ub54c\ub9cc \uacbd\ub85c \uc694\uccad(RREQ)\uc744 \ub358\uc838 \uae38\uc744 \ucc3e\uc2b5\ub2c8\ub2e4. \uc790\uc6d0\uc774 \ud55c\uc815\ub41c \ubaa8\ubc14\uc77c \ud658\uacbd\uc5d0\uc11c \uc81c\uc5b4 \uba54\uc2dc\uc9c0 \uc624\ubc84\ud5e4\ub4dc\ub97c \uc904\uc774\ub294 \ud575\uc2ec \uc804\uc1a1 \ub85c\uc9c1\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                              3. \ub2e4\uc911 \uc9c0\uc810 \ub9b4\ub808\uc774 (Multi-Point Relay, MPR): \uc804\uc1a1\uc758 \ucd5c\uc801\ud654<\/strong><\/h3>\n\n\n\n

                              \uacbd\ub85c\ub97c \ucc3e\uac70\ub098 \uc815\ubcf4\ub97c \ud37c\ub728\ub9b4 \ub54c \ubc1c\uc0dd\ud558\ub294 \ub370\uc774\ud130 \ubc94\ub78c(Flooding)\uc744 \uc81c\uc5b4<\/strong>\ud558\ub294 \ucd5c\uc801\ud654 \uae30\uc220\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

                                \n
                              • \uc124\uba85:<\/strong> \ubb34\uc791\uc815 \ubaa8\ub4e0 \ub178\ub4dc\uac00 \uba54\uc2dc\uc9c0\ub97c \uc7ac\uc804\uc1a1\ud558\uba74 \ub124\ud2b8\uc6cc\ud06c\uac00 \ub9c8\ube44\ub429\ub2c8\ub2e4. 1\ud649 \uc778\uc811 \ub178\ub4dc \uc911 2\ud649 \ub178\ub4dc \uc804\uccb4\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\ub294 ‘\ucd5c\uc18c\ud55c\uc758 \ub300\ub9ac\uc778(MPR)’\ub9cc \uc120\uc815\ud558\uc5ec \uc804\uc1a1\ud568\uc73c\ub85c\uc368, \ub300\uaddc\ubaa8 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub3c4 \ud6a8\uc728\uc801\uc778 \uc5c5\ub370\uc774\ud2b8\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. \ubb34\uc9c8\uc11c\ud55c \ud655\uc0b0\uc744 \uc9c8\uc11c \uc788\ub294 \uc804\ub2ec\ub85c \ubc14\uafb8\ub294 \ud544\ud130 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                                4. \uc18c\uc2a4 \ub77c\uc6b0\ud305 (Source Routing): \uacbd\ub85c\uc758 \ud655\uc815\uc131<\/strong><\/h3>\n\n\n\n

                                \ucd5c\uc801\ud654\ub41c \uacbd\ub85c\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \ubcf4\ub0bc \ub54c, **”\uacbd\ub85c \uc815\ubcf4\ub97c \uc5b4\ub514\uc5d0 \ub2f4\uc744 \uac83\uc778\uac00”**\uc5d0 \ub300\ud55c \uacb0\uc815\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

                                  \n
                                • \uc124\uba85:<\/strong> \uc911\uac04 \ub77c\uc6b0\ud130\ub4e4\uc774 \uae38\uc744 \ub9e4\ubc88 \ucc3e\uc9c0 \uc54a\ub3c4\ub85d, \ud328\ud0b7 \ud5e4\ub354\uc5d0 \ubaa9\uc801\uc9c0\uae4c\uc9c0\uc758 \ubaa8\ub4e0 \uacbd\uc720\uc9c0\ub97c \ubbf8\ub9ac \uc801\uc5b4\ub450\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc911\uac04 \ub178\ub4dc\uc758 \ubd80\ub2f4\uc744 \uc904\uc774\uace0 \uacbd\ub85c\uc758 \ud655\uc815\uc131\uc744 \ub192\uc5ec \ub8e8\ud504\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4. \ub2e4\ub9cc, \ub124\ud2b8\uc6cc\ud06c \uaddc\ubaa8\uc5d0 \ub530\ub978 \ud5e4\ub354 \ud06c\uae30 \uc99d\uac00\ub77c\ub294 \uae30\ud68c\ube44\uc6a9\uc744 \uad00\ub9ac\ud574\uc57c \ud558\ub294 \ub2e8\uacc4\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                                  5. \uacc4\uce35\ud615 \ud074\ub7ec\uc2a4\ud130\ub9c1 (Hierarchical Clustering): \ud2b9\uc218 \ud658\uacbd(WSN)\uc758 \uc0dd\uc874 \uc804\ub7b5<\/strong><\/h3>\n\n\n\n

                                  \ubc94\uc6a9\uc801\uc778 \ub77c\uc6b0\ud305\uc744 \ub118\uc5b4, \uc5d0\ub108\uc9c0 \uadf9\ub300\ud654\uac00 \ud544\uc694\ud55c \uc13c\uc11c \ub124\ud2b8\uc6cc\ud06c(WSN)\ub85c \ud655\uc7a5<\/strong>\ub41c \ud615\ud0dc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

                                    \n
                                  • \uc124\uba85:<\/strong> \ubaa8\ub4e0 \ub178\ub4dc\uac00 \ud3c9\ub4f1\ud558\uac8c \ud1b5\uc2e0\ud558\ub294 \ub300\uc2e0, \ub178\ub4dc\ub4e4\uc744 \ud074\ub7ec\uc2a4\ud130\ub85c \ubb36\uace0 ‘\ud5e4\ub4dc’\uac00 \ub370\uc774\ud130\ub97c \ucde8\ud569\ud574 \uae30\uc9c0\uad6d\uc73c\ub85c \ubcf4\ub0c5\ub2c8\ub2e4. \uc774\ub294 \ubc30\ud130\ub9ac \uc218\uba85\uc774 \uace7 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc218\uba85\uc778 \uc13c\uc11c \ud658\uacbd\uc5d0\uc11c \uc5d0\ub108\uc9c0\ub97c \uadf9\ub3c4\ub85c \uc544\ub07c\uae30 \uc704\ud55c \ucd5c\uc885\uc801\uc778 \uc801\uc751 \ud615\ud0dc\uc785\ub2c8\ub2e4. (\uc608: LEACH \ud504\ub85c\ud1a0\ucf5c)<\/li>\n<\/ul>\n\n\n\n
                                    \ub2e8\uacc4<\/strong><\/td>\ud575\uc2ec \ud0a4\uc6cc\ub4dc<\/strong><\/td>\uc8fc\uc694 \ud504\ub85c\ud1a0\ucf5c<\/strong><\/td>\uc804\uc1a1 \ubc29\uc2dd \ubc0f \ud2b9\uc9d5<\/strong><\/td>\uc0b0\uc5c5\uc801 \uc774\uc810 (\uc7a5\uc810)<\/strong><\/td><\/tr><\/thead>
                                    1. \uae30\ubc18<\/strong><\/td>\ubb34\uc120 \uba54\uc2dc (WMN)<\/strong><\/td>802.11s, WiMAX<\/td>\ubaa8\ub4e0 \ub178\ub4dc\uac00 \ub77c\uc6b0\ud130 \uc5ed\ud560\uc744 \ud558\ub294 \uadf8\ubb3c\ub9dd \uad6c\uc870<\/strong><\/td>\uc720\uc5f0\ud55c \uc778\ud504\ub77c \ud655\uc7a5 \ubc0f \ub192\uc740 \ub124\ud2b8\uc6cc\ud06c \uc2e0\ub8b0\uc131<\/td><\/tr>
                                    2. \ud0d0\uc0c9<\/strong><\/td>\ubc18\uc751\ud615 \ub77c\uc6b0\ud305<\/strong><\/td>AODV, DSR<\/td>\uacbd\ub85c\uac00 \ud544\uc694\ud560 \ub54c\ub9cc \ud0d0\uc0c9\ud558\ub294 \uc218\uc694 \uae30\ubc18<\/strong><\/td>\ubd88\ud544\uc694\ud55c \uc81c\uc5b4 \uba54\uc2dc\uc9c0 \uac10\uc18c \ubc0f \uc790\uc6d0 \uc808\uc57d<\/td><\/tr>
                                    3. \ucd5c\uc801\ud654<\/strong><\/td>\ub2e4\uc911 \uc9c0\uc810 \ub9b4\ub808\uc774 (MPR)<\/strong><\/td>OLSR<\/td>\uc120\uc815\ub41c \ub178\ub4dc\ub9cc \uc7ac\uc804\uc1a1\ud558\ub294 \ud50c\ub7ec\ub529 \uc81c\uc5b4<\/strong><\/td>\ub300\uaddc\ubaa8 \ubc00\uc9d1 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ud2b8\ub798\ud53d \ud63c\uc7a1 \ubc29\uc9c0<\/td><\/tr>
                                    4. \ud655\uc815<\/strong><\/td>\uc18c\uc2a4 \ub77c\uc6b0\ud305<\/strong><\/td>DSR, DYMO<\/td>\ud328\ud0b7 \ud5e4\ub354\uc5d0 \uacbd\ub85c\ub97c \ub2f4\ub294 \uc774\uc815\ud45c \ubc29\uc2dd<\/strong><\/td>\ub77c\uc6b0\ud305 \ub8e8\ud504 \ubc29\uc9c0 \ubc0f \uc911\uac04 \ub178\ub4dc\uc758 \uc5f0\uc0b0 \ubd80\ub2f4 \uacbd\uac10<\/td><\/tr>
                                    5. \ud2b9\uc218<\/strong><\/td>\uacc4\uce35\ud615 \ud074\ub7ec\uc2a4\ud130\ub9c1<\/strong><\/td>LEACH, GAF<\/td>\uadf8\ub8f9\ubcc4 ‘\ud5e4\ub4dc’\uac00 \ub370\uc774\ud130\ub97c \ucde8\ud569\ud558\ub294 \uc5d0\ub108\uc9c0 \uad00\ub9ac<\/strong><\/td>\uc13c\uc11c \ub124\ud2b8\uc6cc\ud06c(WSN)\uc758 \ubc30\ud130\ub9ac \uc218\uba85 \uadf9\ub300\ud654<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

                                    \uc6d0\uc11c PDF \ubc88\uc5ed \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ub0b4\uc6a9 \ub204\ub77d\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 4\ud398\uc774\uc9c0\uc529 \ub098\ub204\uc5b4 \ucea1\ucc98\ud55c \ub4a4 \ubc88\uc5ed\uacfc \uc790\uae30 \uac80\uc99d\uc744 \ubc18\ubcf5\ud558\ub294 \ubc29\uc2dd\uc744 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1185],"tags":[1907,1906],"class_list":["post-8741","post","type-post","status-publish","format-standard","hentry","category-1185","tag-comminicaiton-systems","tag-1906"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8741","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=8741"}],"version-history":[{"count":7,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8741\/revisions"}],"predecessor-version":[{"id":8750,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8741\/revisions\/8750"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=8741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=8741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=8741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}