{"created":"2021-03-01T06:12:09.453246+00:00","id":5589,"links":{},"metadata":{"_buckets":{"deposit":"32479943-fa51-4112-bc75-00f35cdae59b"},"_deposit":{"id":"5589","owners":[],"pid":{"revision_id":0,"type":"depid","value":"5589"},"status":"published"},"_oai":{"id":"oai:nagoya.repo.nii.ac.jp:00005589","sets":["320:321:322"]},"author_link":["14631","14632","14633","14634","14635","14636","14637","14638","14639","14640"],"item_10_alternative_title_19":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Performance Analysis of CDMA Unslotted ALOHA  System Employing Successive Interference Cancellation","subitem_alternative_title_language":"en"}]},"item_10_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"178","bibliographicPageStart":"168","bibliographicVolumeNumber":"J86-A","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":"CDMA Unslotted ALOHA 方式では多元接続干渉が発生し、特性劣化の大きな要因となっている。更にこの方式では受信信号電力の不均一となる状況がしばしば発生し、多元接続干渉の影響の増大を引き起こす。現在多元接続干渉を抑制する方法として干渉除去技術がある。しかしこの手法は主に信号が時間的に連続して送受信されているシステムを扱っており、特性評価もビット誤り率によるものであった。パケット通信システムでは各ビットの伝送の成否ではなく各パケットの伝送の成否がシステム特性の鍵を握る。そこで本研究では、CDMA Unslotted ALOHA 方式に干渉除去技術の一つである逐次型干渉除去法を用いたシステムを提案し、スループット特性を解析的に求め、特性評価を行う。また一般的に受信信号電力の不均一な状況下での特性は、受信信号電力の均一な場合の特性よりも劣化することが知られている。しかし提案方式では、受信信号電力の不均一な状況下において、受信信号電力の均一な場合より特性が良くなることを示す。","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/2237/7195"}]},"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":"http://search.ieice.org/bin/summary.php?id=j86-a_2_168&category=A&year=2003&lang=J&abst=&auth=1","subitem_relation_type_select":"URI"}}]},"item_10_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright 2003 IEICE  許諾番号 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