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Effect of Interleaving and FEC on the throughput of CDMA Unslotted ALOHA System with Adaptive Multiuser Receiver
http://hdl.handle.net/2237/7810
http://hdl.handle.net/2237/78109f0488eb-18ac-4763-bcaa-72f9247de208
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-05-17 | |||||
タイトル | ||||||
タイトル | Effect of Interleaving and FEC on the throughput of CDMA Unslotted ALOHA System with Adaptive Multiuser Receiver | |||||
言語 | en | |||||
著者 |
Okada, Hiraku
× Okada, Hiraku× Yamazato, Takaya× Katayama, Masaaki |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | Copyright (c) 2002 IEEE. Reprinted from PIMRC'2002 The 11th IEEE International Symposium on Personal Indoor and Mobile Radio Communications.2002. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Nagoya University’s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | CDMA | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ALOHA | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | adaptive multiuser receiver | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | FEC | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | interleave | |||||
抄録 | ||||||
内容記述 | A CDMA unslotted ALOHA system is a connectionless-type of CDMA packet communication system. In this system, a user station can transmit a packet asynchronously and randomly, and so the packet birth/death event is one of the most important problems for multiuser detection. We have proposed the CDMA unslotted ALOHA system using an adaptive filter receiver based on minimum mean square error criterion in [8], and shown the improvement in the throughput performance even considering the effect of birth/death event. The ensemple-averaged squared error, however, increases at the point of packet birth. In this paper, we employ interleaving and forward error correction (FEC) coding techniques to mitigate the momentary increase in ensemple-averaged squared error. The use of FEC, however, causes the increase in MAI due to redundancy bits of FEC. Moreover, signal power is reduced under the condition that the energy of an information bit is the same. In such cases, whether an adaptive filter can operate effectively or not interests us. We evaluate the system performance and show that the improvement in throughput is achieved with interleaving and FEC techniques. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | IEEE | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1109/PIMRC.2002.1047360 | |||||
ISBN | ||||||
関連タイプ | isPartOf | |||||
識別子タイプ | ISBN | |||||
関連識別子 | 0-7803-6464-3 | |||||
書誌情報 |
en : The 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications 発行日 2002-09 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/7810 | |||||
識別子タイプ | HDL |