{"id":118470,"date":"2021-10-11T21:55:50","date_gmt":"2021-10-11T12:55:50","guid":{"rendered":"http:\/\/175.125.95.178\/ai-in-communication\/18470\/"},"modified":"2026-04-13T05:21:45","modified_gmt":"2026-04-12T20:21:45","slug":"18470","status":"publish","type":"ai-in-communication","link":"http:\/\/ee.presscat.kr\/en\/ai-in-communication\/18470\/","title":{"rendered":"End-to-end fast training of communication links without a channel model via online meta-learning"},"content":{"rendered":"<p style=\"text-indent:18.0pt\"><span style=\"font-size:12pt\"><span style=\"line-height:109%\"><span><span style=\"font-family:Calibri,sans-serif\"><span lang=\"EN-GB\" style=\"font-size:13.0pt\"><span style=\"line-height:109%\"><span>Authors: <b>Sangwoo Park<\/b>, Osvaldo Simeone, <b>Joonhyuk Kang<\/b><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-indent:18.0pt\"><span style=\"font-size:12pt\"><span style=\"line-height:109%\"><span><span style=\"font-family:Calibri,sans-serif\"><span lang=\"EN-GB\" style=\"font-size:13.0pt\"><span style=\"line-height:109%\"><span>Conference: IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC) 2020<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-indent:18.0pt\"><span style=\"font-size:12pt\"><span style=\"line-height:109%\"><span><span style=\"font-family:Calibri,sans-serif\"><span lang=\"EN-GB\" style=\"font-size:13.0pt\"><span style=\"line-height:109%\"><span>Abstract: We propose coherent AI-based end-to-end communication system via online meta-learning without channel model. Precisely, we consider single, jointly trained transmitter with meta-learned receiver that quickly adapts to any new channel with few pilots, namely online hybrid joint and meta-training. <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-indent:18.0pt\">&nbsp;<\/p>\n<p style=\"text-indent:18.0pt\">\n<div class=\"\"><img decoding=\"async\" class=\"\" src=\"\/wp-content\/uploads\/drupal\/\uac15\uc8fc\ud601\uad50\uc218\ub2d83.png\" alt=\"\" title=\"\"><\/div>\n<\/p>\n<p class=\"rtejustify\" style=\"text-indent: 18pt\"><span style=\"font-size:12pt\"><span style=\"line-height:109%\"><span><span style=\"font-family:Calibri,sans-serif\"><span lang=\"EN-GB\" style=\"font-size:11.0pt\"><span style=\"line-height:109%\"><span>Fig. 3: (a) The system first carries out online (meta-)training by transmitting multiple pilot packets (\u201cP\u201d) over time-varying channel conditions and by leveraging a feedback link; (b) Then, the system is tested on new channel conditions in the testing phase, which consists of both pilot and data (\u201cD\u201d) packets. The feedback link is not available for testing.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>635<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-118470","ai-in-communication","type-ai-in-communication","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"http:\/\/ee.presscat.kr\/en\/wp-json\/wp\/v2\/ai-in-communication\/118470","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ee.presscat.kr\/en\/wp-json\/wp\/v2\/ai-in-communication"}],"about":[{"href":"http:\/\/ee.presscat.kr\/en\/wp-json\/wp\/v2\/types\/ai-in-communication"}],"wp:attachment":[{"href":"http:\/\/ee.presscat.kr\/en\/wp-json\/wp\/v2\/media?parent=118470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}