{"id":146994,"date":"2024-04-27T13:08:48","date_gmt":"2024-04-27T13:08:48","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/ldpc-%eb%94%94%ec%bd%94%eb%8d%94\/"},"modified":"2024-04-27T13:08:55","modified_gmt":"2024-04-27T13:08:55","slug":"ldpc-%eb%94%94%ec%bd%94%eb%8d%94","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/ldpc-%eb%94%94%ec%bd%94%eb%8d%94\/","title":{"rendered":"LDPC \ub514\ucf54\ub354"},"content":{"rendered":"

\uc774 \uae30\uc0ac\ub294 LDPC \ub514\ucf54\ub354\uc758 \uc6d0\ub9ac, \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ubd84\uc57c \ubc0f \ud5a5\ud6c4 \ubc1c\uc804 \ubc29\ud5a5\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. \ud604\ub300 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 \uc911\uc694\uc131\uacfc \uae30\uc220\uc801 \ub3c4\uc804\uacfc\uc81c\ub3c4 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n

\"LDPC<\/p>\n

LDPC \ub514\ucf54\ub354\uc758 \uc774\ud574<\/h2>\n

LDPC(Low-Density Parity-Check) \ucf54\ub4dc\ub294 \uc815\ubcf4 \uc774\ub860\uc758 \ud55c \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc624\ub958 \uc815\uc815 \ubd80\ud638 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc774 \uae30\uc220\uc740 1960\ub144\ub300\uc5d0 Robert G. Gallager\uc5d0 \uc758\ud574 \ucc98\uc74c \uc18c\uac1c\ub418\uc5c8\uc73c\uba70, \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc804\uc1a1 \uc624\ub958\ub97c \uac10\uc18c\uc2dc\ud0a4\uae30 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. LDPC \ucf54\ub4dc\ub294 \ub6f0\uc5b4\ub09c \uc624\ub958 \uc815\uc815 \ub2a5\ub825\uc73c\ub85c \uc778\ud574 \ud604\ub300 \ub514\uc9c0\ud138 \ud1b5\uc2e0\uacfc \uc800\uc7a5 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uad11\ubc94\uc704\ud558\uac8c \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

LDPC \ub514\ucf54\ub354\ub294 \uc218\uc2e0\ub41c \ub370\uc774\ud130\uc5d0\uc11c \uc624\ub958\ub97c \uac10\uc9c0\ud558\uace0 \uc218\uc815\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \ud2b9\ud788 \ub178\uc774\uc988\uac00 \ub9ce\uc740 \ud1b5\uc2e0 \ucc44\ub110\uc744 \ud1b5\ud574 \uc804\uc1a1\ub41c \ub370\uc774\ud130\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. LDPC \ub514\ucf54\ub529 \uc54c\uace0\ub9ac\uc998\uc740 \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc778 \uc624\ub958 \uc815\uc815 \ub2a5\ub825\uc744 \uc81c\uacf5\ud558\uba70, Shannon \ud55c\uacc4\uc5d0 \uac00\uae4c\uc6b4 \uc131\ub2a5\uc744 \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud1b5\uc2e0 \uc774\ub860\uc5d0\uc11c \uc774\ub860\uc801\uc73c\ub85c \uac00\ub2a5\ud55c \ucd5c\ub300 \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n

LDPC \ub514\ucf54\ub354\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n

LDPC \ub514\ucf54\ub529\uc740 \uc8fc\ub85c \ud328\ub9ac\ud2f0 \uac80\uc0ac \ud589\ub82c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \uc774 \ud589\ub82c\uc740 LDPC \ucf54\ub4dc\uc758 \uad6c\uc870\ub97c \ub098\ud0c0\ub0b4\uba70, \ub0ae\uc740 \ubc00\ub3c4\uc758 1\uacfc \ub192\uc740 \ubc00\ub3c4\uc758 0\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ub514\ucf54\ub354\ub294 \uc774 \ud328\ub9ac\ud2f0 \uac80\uc0ac \ud589\ub82c\uc744 \uae30\ubc18\uc73c\ub85c \uc218\uc2e0\ub41c \ub370\uc774\ud130\uc758 \uc624\ub958\ub97c \uac80\ucd9c\ud558\uace0 \uc218\uc815\ud569\ub2c8\ub2e4.<\/p>\n

\ub514\ucf54\ub529 \uacfc\uc815\uc5d0\uc11c\ub294 \ubc18\ubcf5\uc801\uc778 \uba54\uc2dc\uc9c0 \uc804\ub2ec \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774 \uc54c\uace0\ub9ac\uc998\uc740 \ub178\ub4dc \uac04\uc5d0 \uc815\ubcf4\ub97c \uad50\ud658\ud558\uba70, \uac01 \ub178\ub4dc\ub294 \uc218\uc2e0\ub41c \uc815\ubcf4\ub97c \ubc14\ud0d5\uc73c\ub85c \ucd5c\uc801\uc758 \ucd94\uc815\uac12\uc744 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \uc624\ub958\uac00 \uc218\uc815\ub420 \ub54c\uae4c\uc9c0 \ub610\ub294 \ud2b9\uc815 \ubc18\ubcf5 \ud69f\uc218\uc5d0 \ub3c4\ub2ec\ud560 \ub54c\uae4c\uc9c0 \uacc4\uc18d\ub429\ub2c8\ub2e4.<\/p>\n

LDPC \ub514\ucf54\ub354\uc758 \uc131\ub2a5\uc740 \ud06c\uac8c \ub450 \uac00\uc9c0 \uc694\uc18c\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4: \ud328\ub9ac\ud2f0 \uac80\uc0ac \ud589\ub82c\uc758 \uad6c\uc870\uc640 \ub514\ucf54\ub529 \uc54c\uace0\ub9ac\uc998\uc758 \ud6a8\uc728\uc131\uc785\ub2c8\ub2e4. \uc88b\uc740 \uc131\ub2a5\uc744 \uc704\ud574\uc11c\ub294 \ud589\ub82c\uc758 \uad6c\uc870\uac00 \ucd5c\uc801\ud654\ub418\uc5b4\uc57c \ud558\uba70, \uc54c\uace0\ub9ac\uc998\uc740 \ube60\ub974\uace0 \uc815\ud655\ud55c \uc624\ub958 \uc218\uc815\uc744 \ubcf4\uc7a5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

LDPC \ucf54\ub4dc\uc640 \ub514\ucf54\ub354\uc758 \uc774\uc810 \uc911 \ud558\ub098\ub294 \uadf8\ub4e4\uc758 \uc720\uc5f0\uc131\uc785\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ud1b5\uc2e0 \ud658\uacbd\uacfc \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\uac8c \ud328\ub9ac\ud2f0 \uac80\uc0ac \ud589\ub82c\uc758 \ud06c\uae30\uc640 \uad6c\uc870\ub97c \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc720\uc5f0\uc131\uc740 LDPC \ucf54\ub4dc\ub97c \uc704\uc131 \ud1b5\uc2e0, \ubb34\uc120 \ub124\ud2b8\uc6cc\ud06c, \ub370\uc774\ud130 \uc800\uc7a5 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub418\uac8c \ud569\ub2c8\ub2e4.<\/p>\n

LDPC \ub514\ucf54\ub354\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n

LDPC \ub514\ucf54\ub354\ub294 \uadf8 \ub6f0\uc5b4\ub09c \uc624\ub958 \uc815\uc815 \ub2a5\ub825\uc73c\ub85c \uc778\ud574 \ub2e4\uc591\ud55c \uace0\uae09 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc704\uc131 \ud1b5\uc2e0\uc5d0\uc11c\ub294 \uc2e0\ud638\uac00 \uc7a5\uac70\ub9ac\ub97c \uc5ec\ud589\ud558\uba74\uc11c \uacaa\ub294 \uac10\uc1e0\uc640 \ub178\uc774\uc988\ub97c \uadf9\ubcf5\ud558\uae30 \uc704\ud574 LDPC \ucf54\ub4dc\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubb34\uc120 \ub124\ud2b8\uc6cc\ud06c, \ud2b9\ud788 5G\uc640 \uac19\uc740 \ucc28\uc138\ub300 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub294 \ub192\uc740 \ub370\uc774\ud130 \uc804\uc1a1\ub960\uacfc \uc2e0\ub8b0\uc131\uc744 \ub2ec\uc131\ud558\uae30 \uc704\ud574 LDPC \ucf54\ub4dc\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\ub370\uc774\ud130 \uc800\uc7a5 \ubd84\uc57c\uc5d0\uc11c\ub3c4 LDPC \ub514\ucf54\ub354\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \ud558\ub4dc \ub4dc\ub77c\uc774\ube0c\ub098 SSD\uc640 \uac19\uc740 \uc800\uc7a5 \uc7a5\uce58\uc5d0\uc11c \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc774\uba70, LDPC \ucf54\ub4dc\ub294 \uc774\ub7ec\ud55c \uc7a5\uce58\ub4e4\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc624\ub958\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uc815\uc815\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc800\uc7a5 \uc7a5\uce58\uc758 \uc2e0\ub8b0\uc131\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n

LDPC \ub514\ucf54\ub354\uc758 \ub3c4\uc804\uacfc\uc81c\uc640 \ubc1c\uc804 \ubc29\ud5a5<\/h2>\n

LDPC \ub514\ucf54\ub354\uc758 \uad6c\ud604\uc5d0\ub294 \uc5ec\uc804\ud788 \uba87 \uac00\uc9c0 \ub3c4\uc804\uacfc\uc81c\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uace0\uc131\ub2a5 \ub514\ucf54\ub529 \uc54c\uace0\ub9ac\uc998\uc740 \ubcf5\uc7a1\ud558\uace0, \uacc4\uc0b0 \ube44\uc6a9\uc774 \ub192\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud2b9\ud788 \ud558\ub4dc\uc6e8\uc5b4 \uad6c\ud604\uc5d0\uc11c \uc911\uc694\ud55c \ubb38\uc81c\uac00 \ub420 \uc218 \uc788\uc73c\uba70, \ud6a8\uc728\uc801\uc778 \ub514\uc790\uc778\uacfc \ucd5c\uc801\ud654\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\ub610\ud55c, \ucd5c\uc801\uc758 \ud328\ub9ac\ud2f0 \uac80\uc0ac \ud589\ub82c\uc758 \uc124\uacc4\ub294 \uc5ec\uc804\ud788 \ud65c\ubc1c\ud55c \uc5f0\uad6c \uc8fc\uc81c\uc785\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ud1b5\uc2e0 \uc2dc\ub098\ub9ac\uc624\uc640 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ub294 \ud589\ub82c\uc744 \uac1c\ubc1c\ud558\ub294 \uac83\uc740 LDPC \ucf54\ub4dc\uc758 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\ud5a5\ud6c4 LDPC \ub514\ucf54\ub354\uc758 \ubc1c\uc804 \ubc29\ud5a5\uc740 \ub354\uc6b1 \ud6a8\uc728\uc801\uc778 \ub514\ucf54\ub529 \uc54c\uace0\ub9ac\uc998\uacfc \ud558\ub4dc\uc6e8\uc5b4 \uad6c\ud604 \uae30\uc220\uc758 \uac1c\uc120\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd9c \uac83\uc785\ub2c8\ub2e4. \ub610\ud55c, \uae30\uacc4 \ud559\uc2b5\uacfc \uac19\uc740 \uc0c8\ub85c\uc6b4 \uae30\uc220\uc744 \ud65c\uc6a9\ud558\uc5ec \ud328\ub9ac\ud2f0 \uac80\uc0ac \ud589\ub82c\uc758 \uc124\uacc4\ub97c \ucd5c\uc801\ud654\ud558\ub294 \uc5f0\uad6c\ub3c4 \uc9c4\ud589\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uacb0\ub860<\/h2>\n

LDPC \ub514\ucf54\ub354\ub294 \ud604\ub300 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc911\uc694\ud55c \uae30\uc220\ub85c \uc790\ub9ac \uc7a1\uc558\uc2b5\ub2c8\ub2e4. \uadf8 \ub6f0\uc5b4\ub09c \uc624\ub958 \uc815\uc815 \ub2a5\ub825\uc740 \ub370\uc774\ud130 \uc804\uc1a1\uc758 \uc2e0\ub8b0\uc131\uacfc \ud6a8\uc728\uc131\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0a4\uba70, \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uadf8 \uac00\uce58\ub97c \uc785\uc99d\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub3c4\uc804\uacfc\uc81c\uac00 \ub0a8\uc544\uc788\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0, \uc9c0\uc18d\uc801\uc778 \uc5f0\uad6c\uc640 \uac1c\ubc1c\uc744 \ud1b5\ud574 LDPC \ub514\ucf54\ub354\uc758 \uc131\ub2a5\uc740 \uacc4\uc18d\ud574\uc11c \uac1c\uc120\ub420 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc1c\uc804\uc740 \ud5a5\ud6c4 \ub514\uc9c0\ud138 \ud1b5\uc2e0\uc758 \ud55c\uacc4\ub97c \ub354\uc6b1 \ud655\uc7a5\uc2dc\ud0ac \uc804\ub9dd\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

\uc774 \uae30\uc0ac\ub294 LDPC \ub514\ucf54\ub354\uc758 \uc6d0\ub9ac, \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ubd84\uc57c \ubc0f \ud5a5\ud6c4 \ubc1c\uc804 \ubc29\ud5a5\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. \ud604\ub300 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 \uc911\uc694\uc131\uacfc \uae30\uc220\uc801 \ub3c4\uc804\uacfc\uc81c\ub3c4 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":172826,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-146994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\nLDPC \ub514\ucf54\ub354 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta 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