{"created":"2021-03-01T06:07:02.930595+00:00","id":3297,"links":{},"metadata":{"_buckets":{"deposit":"de3a03e9-8d67-4bb8-ba77-1f31d5ae0b1c"},"_deposit":{"id":"3297","owners":[],"pid":{"revision_id":0,"type":"depid","value":"3297"},"status":"published"},"_oai":{"id":"oai:niigata-u.repo.nii.ac.jp:00003297","sets":["423:424:425","453:454"]},"item_5_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1991-05","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"5","bibliographicPageEnd":"214","bibliographicPageStart":"207","bibliographicVolumeNumber":"J74-BII","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. B-II, 通信II"},{"bibliographic_title":"電子情報通信学会論文誌. B-II, 通信II","bibliographic_titleLang":"en"}]}]},"item_5_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"スペクトル拡散 (Spread Spectrum: SS) 通信方式における最も重要な課題の一つは周波数利用効率である．帯域制限のある伝送路にSS方式を適用する場合，データの高速化に伴って処理利得が低下し，SS方式のメリットが生かせなくなる．本論文では，これらの問題に対して有効な新しい並列組合せSS通信方式を提案する．本方式を用いれば，系列長NのN個の直交拡散系列（例えば直交Gold系列）を利用して，送信情報によりN個の系列からr個の系列を並列に組み合わせることにより，(r＋log2(NCr)) ビットのデータを同時に送信でき，Nが大きい場合には，例えばr=N/4のとき，Nビットのデータを，またr＝2N/3のとき，1.58Nビットのデータを伝送できる．本論文では，並列組合せSS通信方式について，基本原理，システム構成を示し，処理利得と周波数利用効率の関係，組み合わせたr個の系列の誤り率，ビット誤り率，耐振幅制限性，などの特性を解析し，その利点を明らかにする．","subitem_description_type":"Abstract"}]},"item_5_publisher_7":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"電子情報通信学会"}]},"item_5_relation_31":{"attribute_name":"異版である","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.ieice.org/jpn/trans_online/","subitem_relation_type_select":"URI"}}]},"item_5_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"copyright©1991 IEICE（許諾番号07RB0183）"}]},"item_5_select_19":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_5_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10071159","subitem_source_identifier_type":"NCID"}]},"item_5_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"09151885","subitem_source_identifier_type":"ISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"朱, 近康"}],"nameIdentifiers":[{"nameIdentifier":"41907","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"佐々木, 重信"}],"nameIdentifiers":[{"nameIdentifier":"41908","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"丸林, 元"}],"nameIdentifiers":[{"nameIdentifier":"41909","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":"2019-07-30"}],"displaytype":"detail","filename":"1_0027.pdf","filesize":[{"value":"489.5 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"1_0027.pdf","url":"https://niigata-u.repo.nii.ac.jp/record/3297/files/1_0027.pdf"},"version_id":"04034042-f29c-4a9c-9d08-cc1e3a83542f"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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":"並列組合せSS通信方式 の提案","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"並列組合せSS通信方式 の提案"},{"subitem_title":"並列組合せSS通信方式 の提案","subitem_title_language":"en"}]},"item_type_id":"5","owner":"1","path":["454","425"],"pubdate":{"attribute_name":"公開日","attribute_value":"2008-04-08"},"publish_date":"2008-04-08","publish_status":"0","recid":"3297","relation_version_is_last":true,"title":["並列組合せSS通信方式 の提案"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-15T03:36:26.957773+00:00"}