{"created":"2023-07-25T10:23:59.157476+00:00","id":1291,"links":{},"metadata":{"_buckets":{"deposit":"1eea04af-d3da-4a3a-8ec0-fe2918be67c8"},"_deposit":{"created_by":1,"id":"1291","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"1291"},"status":"published"},"_oai":{"id":"oai:hiroshima-cu.repo.nii.ac.jp:00001291","sets":["1:209"]},"author_link":["4419","4420","4418","4417","4416","4421"],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2006-01-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"149","bibliographicPageStart":"142","bibliographicVolumeNumber":"E89-B","bibliographic_titles":[{"bibliographic_title":"IEICE Transactions on Communications"}]}]},"item_10001_description_19":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Multiple-input multiple-output (MIMO) eigenbeam space division multiplexing that uses adaptive modulations for substreams is a promising technology for improving transmission capacity. A fundamental drawback of this approach is that the modulation levels determined from the carrier-to-noise ratio at each substream are sometimes overly optimistic so the use of these modulation levels results in transmission errors and diminished transmission performance. A novel method of determining substream modulation levels is proposed that alleviates this degradation. In the proposed method, the expected bit error rates for possible modulations of each substream are calculated from delay profiles. Simulation results indicate that transmission capacity is improved by 30% using the new method compared with the conventional method.","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"電子情報通信学会(IEICE)"}]},"item_10001_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"http://www.ieice.org/jpn/trans_online/"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.ieice.org/jpn/trans_online/","subitem_relation_type_select":"URI"}}]},"item_10001_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"copyright©2006 IEICE"}]},"item_10001_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA10826261","subitem_source_identifier_type":"NCID"}]},"item_10001_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1745-1345(online)|0916-8516(print)","subitem_source_identifier_type":"ISSN"}]},"item_10001_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"TAKAHASHI, Satoshi"},{"creatorName":"タカハシ, サトシ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"4416","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"AHN, Chang-Jun"},{"creatorName":"アン, チャンジュン","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"4417","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"HARADA, Hiroshi"},{"creatorName":"ハラダ, ヒロシ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"4418","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"高橋, 賢","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"4419","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"安, 昌俊","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"4420","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"原田, 博司","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"4421","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2023-02-28"}],"displaytype":"detail","filename":"E89-B142.pdf","filesize":[{"value":"477.0 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"E89-B142.pdf","url":"https://hiroshima-cu.repo.nii.ac.jp/record/1291/files/E89-B142.pdf"},"version_id":"0dc37f1c-5eef-43c7-b833-566fac23491c"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"mobile radio propagation","subitem_subject_scheme":"Other"},{"subitem_subject":"adaptive modulation","subitem_subject_scheme":"Other"},{"subitem_subject":"multipath environments","subitem_subject_scheme":"Other"},{"subitem_subject":"ray tracing","subitem_subject_scheme":"Other"},{"subitem_subject":"MIMO","subitem_subject_scheme":"Other"},{"subitem_subject":"E-SDM","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Stochastic Method of Determining Substream Modulation Levels for MIMO Eigenbeam Space Division Multiplexing","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Stochastic Method of Determining Substream Modulation Levels for MIMO Eigenbeam Space Division Multiplexing"}]},"item_type_id":"10001","owner":"1","path":["209"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-02-28"},"publish_date":"2023-02-28","publish_status":"0","recid":"1291","relation_version_is_last":true,"title":["Stochastic Method of Determining Substream Modulation Levels for MIMO Eigenbeam Space Division Multiplexing"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-07-25T10:48:16.407395+00:00"}