WO2009113137A1 - Appareil de communication sans fil - Google Patents

Appareil de communication sans fil Download PDF

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Publication number
WO2009113137A1
WO2009113137A1 PCT/JP2008/003728 JP2008003728W WO2009113137A1 WO 2009113137 A1 WO2009113137 A1 WO 2009113137A1 JP 2008003728 W JP2008003728 W JP 2008003728W WO 2009113137 A1 WO2009113137 A1 WO 2009113137A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
transmission output
retransmission
ack
communication environment
Prior art date
Application number
PCT/JP2008/003728
Other languages
English (en)
Japanese (ja)
Inventor
佐藤　光
Original Assignee
パナソニック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2009113137A1 publication Critical patent/WO2009113137A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate

Definitions

  • IEEE 802.11 standardized by IEEE (Institute of Electrical and Electronics Electronics). This standardized technology regulates the physical layer to the MAC (Medium Access Control) layer, which is the lower layer of the data link, in the OSI (Open System Interconnection) model. It can be replaced with the Ethernet, and the roaming function can be provided as an additional function because it is wireless.
  • MAC Medium Access Control
  • OSI Open System Interconnection
  • the high sensitivity mode amplifier 104 is an amplifier that increases the reception sensitivity of the received signal.
  • transmission output control (1) to (4) described above may be used alone or in combination.
  • the names wireless communication device and transmission output control are used.
  • this is for convenience of explanation, and it is needless to say that the mobile terminal, wireless communication device, transmission power control, and the like may be used.
  • the transmission output control may be retransmission transmission power control.
  • each circuit unit constituting the wireless communication device is not limited to the above-described embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)

Abstract

L'invention porte sur un appareil de communication sans fil dans lequel le nombre de retransmissions et la consommation d'énergie peuvent être réduits. L'appareil de communication sans fil (100) exécute au moins une commande de sortie de transmission de la façon suivante : (1) si aucun accusé de réception (ACK) n'est reçu pour une trame courante, augmenter, en fonction d'une dégradation d'état d'environnement de communication, un niveau de puissance d'émission à un instant de commande de reprise ; (2) si l'état d'environnement de communication déterminé est un brouillage, augmenter un niveau de puissance d'émission préétabli à un instant de retransmission tout en réduisant le nombre de retransmissions ; (3) si le niveau de puissance d'émission d'une retransmission augmente, envoyer une requête d'augmentation du niveau de puissance d'émission d'un ACK à partir d'un point d'accès de destination de transmission ; et (4) en fonction d'une dégradation d'état d'environnement de communication, actionner un commutateur de réception (SW) (103) pour fournir un signal reçu par l'intermédiaire d'un amplificateur à mode haute sensibilité (104).
PCT/JP2008/003728 2008-03-14 2008-12-11 Appareil de communication sans fil WO2009113137A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-066584 2008-03-14
JP2008066584A JP2009225043A (ja) 2008-03-14 2008-03-14 無線通信装置

Publications (1)

Publication Number Publication Date
WO2009113137A1 true WO2009113137A1 (fr) 2009-09-17

Family

ID=41064820

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003728 WO2009113137A1 (fr) 2008-03-14 2008-12-11 Appareil de communication sans fil

Country Status (2)

Country Link
JP (1) JP2009225043A (fr)
WO (1) WO2009113137A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104012007A (zh) * 2011-12-21 2014-08-27 三菱电机株式会社 无线通信装置
US9282522B2 (en) 2013-09-10 2016-03-08 Kabushiki Kaisha Toshiba Communication apparatus and communication method
WO2016139862A1 (fr) * 2015-03-05 2016-09-09 ソニー株式会社 Appareil de communication, procédé de communication, et programme

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5411785B2 (ja) * 2010-04-07 2014-02-12 シャープ株式会社 無線通信装置、無線通信方法
JP6119431B2 (ja) * 2013-05-31 2017-04-26 ブラザー工業株式会社 無線通信装置及び無線通信方法
JP6278439B2 (ja) * 2013-08-16 2018-02-14 ホーチキ株式会社 無線防災システム
JP6181464B2 (ja) * 2013-08-21 2017-08-16 ホーチキ株式会社 無線防災システム
US9926086B2 (en) * 2016-05-26 2018-03-27 The Boeing Company Apparatus and method for wirelessly managing aircraft health data

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002526971A (ja) * 1998-09-30 2002-08-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 情報の通信のための方法及び該方法を使用する装置
JP2004507927A (ja) * 2000-08-21 2004-03-11 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 情報通信方法及び情報通信装置
JP2005252877A (ja) * 2004-03-05 2005-09-15 Ntt Docomo Inc 無線通信システム、無線基地局、無線端末及び無線通信方法
JP2008060984A (ja) * 2006-08-31 2008-03-13 Nippon Telegr & Teleph Corp <Ntt> 無線通信システムの送信装置および送信方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3686836B2 (ja) * 2000-03-13 2005-08-24 シャープ株式会社 無線通信機の送信電力値自動制御方法およびそれを記憶した記憶媒体
JP3657850B2 (ja) * 2000-04-06 2005-06-08 株式会社エヌ・ティ・ティ・ドコモ マルチキャスト伝送下り送信電力制御方法及び基地局
JP2003198556A (ja) * 2001-12-28 2003-07-11 Matsushita Electric Ind Co Ltd 無線通信端末装置、無線通信基地局装置およびパケット伝送方法
JP4015877B2 (ja) * 2002-04-22 2007-11-28 松下電器産業株式会社 移動体通信システム及び無線通信制御方法
JP4684084B2 (ja) * 2005-11-18 2011-05-18 京セラ株式会社 データ再送制御方法、システム及びデータ再送制御装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002526971A (ja) * 1998-09-30 2002-08-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 情報の通信のための方法及び該方法を使用する装置
JP2004507927A (ja) * 2000-08-21 2004-03-11 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 情報通信方法及び情報通信装置
JP2005252877A (ja) * 2004-03-05 2005-09-15 Ntt Docomo Inc 無線通信システム、無線基地局、無線端末及び無線通信方法
JP2008060984A (ja) * 2006-08-31 2008-03-13 Nippon Telegr & Teleph Corp <Ntt> 無線通信システムの送信装置および送信方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104012007A (zh) * 2011-12-21 2014-08-27 三菱电机株式会社 无线通信装置
US9282522B2 (en) 2013-09-10 2016-03-08 Kabushiki Kaisha Toshiba Communication apparatus and communication method
WO2016139862A1 (fr) * 2015-03-05 2016-09-09 ソニー株式会社 Appareil de communication, procédé de communication, et programme
US10477518B2 (en) 2015-03-05 2019-11-12 Sony Corporation Communication apparatus, communication method, and program

Also Published As

Publication number Publication date
JP2009225043A (ja) 2009-10-01

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