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The IEEE802.11 standard does not support power saving control for APs. Some conventional power saving control methods for APs have been proposed that use the network allocation vector (NAV) to inhibit transmission at stations (STAs) while the AP is sleeping. However, since with these approaches the actual beacon interval in the OBSS environment may be extended due to the NAV as compared to the beacon interval which is set at the AP, the power consumption and delay may be increased as compared to a single BSS unaffected by interference from neighboring APs. To overcome this problem, this paper introduces a new action frame named power saving access point (PSAP) action frame which the AP uses to inform STAs within its BSS about the AP\u0027s sleep length. In addition, a function of the PSAP action frame is that STAs enter the sleep state after receiving the PSAP action frame. 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Power Saving Control Method for Battery-Powered Portable Wireless LAN Access Points in an Overlapping BSS Environment
http://hdl.handle.net/10191/30680
http://hdl.handle.net/10191/30680147ba27b-2d56-4267-8055-589595c58fbc
名前 / ファイル | ライセンス | アクション |
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E94-B_3_658-666.pdf (2.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-12-02 | |||||
タイトル | ||||||
タイトル | Power Saving Control Method for Battery-Powered Portable Wireless LAN Access Points in an Overlapping BSS Environment | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Power Saving Control Method for Battery-Powered Portable Wireless LAN Access Points in an Overlapping BSS Environment | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | IEEE802.11 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | power saving | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | portable access point | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | overlapping BSS | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Ogawa, Masakatsu
× Ogawa, Masakatsu× Hiraguri, Takefumi× Nishimori, Kentaro× Honma, Naoki× Takaya, Kazuhiro× Murakawa, Kazuo |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper proposes a power saving control method for battery-powered portable wireless LAN (WLAN) access points (APs) in an overlapping basic service set (OBSS) environment. The IEEE802.11 standard does not support power saving control for APs. Some conventional power saving control methods for APs have been proposed that use the network allocation vector (NAV) to inhibit transmission at stations (STAs) while the AP is sleeping. However, since with these approaches the actual beacon interval in the OBSS environment may be extended due to the NAV as compared to the beacon interval which is set at the AP, the power consumption and delay may be increased as compared to a single BSS unaffected by interference from neighboring APs. To overcome this problem, this paper introduces a new action frame named power saving access point (PSAP) action frame which the AP uses to inform STAs within its BSS about the AP's sleep length. In addition, a function of the PSAP action frame is that STAs enter the sleep state after receiving the PSAP action frame. The proposed control method avoids the postponement of beacon transmission and reduces the power consumption in an OBSS environment, as compared to the conventional control method. Numerical analysis and computer simulation reveal that the newly proposed control method conserves power as compared to the conventional control method. The proposed control method achieves the minimum consumed power ratio at the AP, which is 44% as compared to the standard, when the beacon interval is 100ms and the sleep length is 60ms, even if the number of neighboring APs in an OBSS environment is increased. | |||||
書誌情報 |
IEICE transactions on communications en : IEICE transactions on communications 巻 E94-B, 号 3, p. 658-666, 発行日 2011-03 |
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出版者 | ||||||
出版者 | The Institute of Electronics, Information and Communication Engineers | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09168516 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10826261 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1587/transcom.E94.B.658 | |||||
権利 | ||||||
権利情報 | Copyright(C)2011 IEICE | |||||
権利 | ||||||
権利情報 | 本文データは学協会の許諾に基づきEJサイトから複製したものである | |||||
著者版フラグ | ||||||
値 | publisher | |||||
異版である | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://www.ieice.org/jpn/trans_online/ |