{"_buckets": {"deposit": "b060a871-9f97-4858-b26f-85c8f94e6097"}, "_deposit": {"id": "5580", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "5580"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00005580", "sets": ["322"]}, "author_link": ["14541", "14542", "14543", "14544", "14545", "14546", "14547", "14548"], "item_10_alternative_title_19": {"attribute_name": "その他のタイトル", "attribute_value_mlt": [{"subitem_alternative_title": "An Improvement of Performance of DS/SS/CDMA with GMSK", "subitem_alternative_title_language": "en"}]}, "item_10_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1997-01", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "1", "bibliographicPageEnd": "26", "bibliographicPageStart": "18", "bibliographicVolumeNumber": "J80-B-Ⅱ", "bibliographic_titles": [{"bibliographic_title": "電子情報通信学会論文誌", "bibliographic_titleLang": "ja"}]}]}, "item_10_description_4": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "DS/SS/GMSK変調を用いたCDMAシステムはGMSK変調の定包絡線性により、信号の帯域制限と送信機における非直線の存在下においても高い周波数利用効率を得ることができる。本論文では、更なる周波数利用効率の向上のための受信機の最適化について検討する。その方法として、逆拡散系列に最適な荷重を加える。DS/SS/GMSK波形の線形近似による信号対雑音電力比の式を用いて、信号対雑音電力比を最大にする荷重を求める。そして、従来受信機との比較を逆拡散後の信号対雑音電力比、ビット誤り率、周波数利用効率について行う。この結果より、逆拡散系列に最適な荷重を加えた場合に特性が向上されることを示す。", "subitem_description_language": "ja", "subitem_description_type": "Abstract"}]}, "item_10_identifier_60": {"attribute_name": "URI", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/2237/7186"}]}, "item_10_publisher_32": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "電子情報通信学会", "subitem_publisher_language": "ja"}]}, "item_10_relation_43": {"attribute_name": "関連情報", "attribute_value_mlt": [{"subitem_relation_type": "isVersionOf", "subitem_relation_type_id": {"subitem_relation_type_id_text": 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