{"created":"2025-02-18T01:47:24.865120+00:00","id":2001109,"links":{},"metadata":{"_buckets":{"deposit":"3063f34b-8356-48e1-83f9-fb5f63c0f945"},"_deposit":{"created_by":41,"id":"2001109","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2001109"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02001109","sets":["1730444917621"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"マルチユーザOFDMの送信アンテナ選択","subitem_title_language":"ja"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"酒井, 信","creatorNameLang":"ja"},{"creatorName":"Sakai, Shin","creatorNameLang":"en"}],"familyNames":[{"familyName":"酒井","familyNameLang":"ja"},{"familyName":"Sakai","familyNameLang":"en"}],"givenNames":[{"givenName":"信","givenNameLang":"ja"},{"givenName":"Shin","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"大野, 修一","creatorNameLang":"ja"},{"creatorName":"Ohno, Shuichi","creatorNameLang":"en"}],"familyNames":[{"familyName":"大野","familyNameLang":"ja"},{"familyName":"Ohno","familyNameLang":"en"}],"givenNames":[{"givenName":"修一","givenNameLang":"ja"},{"givenName":"Shuichi","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186499011":{"attribute_name":"Rights","attribute_value_mlt":[{"subitem_rights":"Copyright (c) 2007 by Authors"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"アンテナ選択","subitem_subject_scheme":"Other"},{"subitem_subject":"OFDM","subitem_subject_scheme":"Other"},{"subitem_subject":"540","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"近年,携帯電話などの無線アクセス技術の高度化により,さまざまなサービスが広く普及し,その利用者も爆発的に増加すると見込まれている.そのため,現在利用されている移動通信技術に比べ,高速化・大容量化を可能にするシステムの実現が課題となっている.アンテナ選択は,限られた送受信装置でも性能を向上させることができる.そこで,STBC(space-time block coding)と,OFDM(orthogonal frequency division multiplexing)を組み合わせることにより,複数のユーザが存在する場合での,高速かつ高性能な通信を実現することを本研究の目的とする.","subitem_description_language":"ja"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"電気・情報関連学会中国支部"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"AA11138730","subitem_source_identifier_type":"NCID"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"44"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2007-10","bibliographicIssueDateType":"Issued"},"bibliographicPageStart":"44","bibliographicVolumeNumber":"58","bibliographic_titles":[{"bibliographic_title":"電気・情報関連学会中国支部連合大会講演論文集"},{"bibliographic_title":"電気・情報関連学会中国支部連合大会講演論文集"}]}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"conference paper","resourceuri":"http://purl.org/coar/resource_type/c_5794"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-03-18"}],"displaytype":"simple","filename":"rentai2007_p44_0204-2.pdf","filesize":[{"value":"146.9 KB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2001109/files/rentai2007_p44_0204-2.pdf"},"version_id":"2a1b7b44-c50d-4062-9352-9bf58830c9de"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"22844"},"item_title":"マルチユーザOFDMの送信アンテナ選択","item_type_id":"40003","owner":"41","path":["1730444917621"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-18"},"publish_date":"2023-03-18","publish_status":"0","recid":"2001109","relation_version_is_last":true,"title":["マルチユーザOFDMの送信アンテナ選択"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-18T03:17:54.681080+00:00"}