JP4075461B2 - 通信システム、通信端末及び通信方法 - Google Patents

通信システム、通信端末及び通信方法 Download PDF

Info

Publication number
JP4075461B2
JP4075461B2 JP2002148227A JP2002148227A JP4075461B2 JP 4075461 B2 JP4075461 B2 JP 4075461B2 JP 2002148227 A JP2002148227 A JP 2002148227A JP 2002148227 A JP2002148227 A JP 2002148227A JP 4075461 B2 JP4075461 B2 JP 4075461B2
Authority
JP
Japan
Prior art keywords
communication
moving average
average value
communication mode
wireless
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP2002148227A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003229790A (ja
JP2003229790A5 (enExample
Inventor
啓次 秋山
悟司 紺谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP2002148227A priority Critical patent/JP4075461B2/ja
Priority to US10/298,528 priority patent/US6985714B2/en
Publication of JP2003229790A publication Critical patent/JP2003229790A/ja
Publication of JP2003229790A5 publication Critical patent/JP2003229790A5/ja
Application granted granted Critical
Publication of JP4075461B2 publication Critical patent/JP4075461B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/203—Details of error rate determination, e.g. BER, FER or WER
    • 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
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5691—Access to open networks; Ingress point selection, e.g. ISP selection
    • H04L12/5692—Selection among different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5441—Wireless systems or telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5445—Local network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5495—Systems for power line communications having measurements and testing channel
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
JP2002148227A 2001-11-27 2002-05-22 通信システム、通信端末及び通信方法 Expired - Lifetime JP4075461B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002148227A JP4075461B2 (ja) 2001-11-27 2002-05-22 通信システム、通信端末及び通信方法
US10/298,528 US6985714B2 (en) 2001-11-27 2002-11-19 Communication system, communication terminal and communication method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001-360412 2001-11-27
JP2001360412 2001-11-27
JP2002148227A JP4075461B2 (ja) 2001-11-27 2002-05-22 通信システム、通信端末及び通信方法

Publications (3)

Publication Number Publication Date
JP2003229790A JP2003229790A (ja) 2003-08-15
JP2003229790A5 JP2003229790A5 (enExample) 2005-09-29
JP4075461B2 true JP4075461B2 (ja) 2008-04-16

Family

ID=26624701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002148227A Expired - Lifetime JP4075461B2 (ja) 2001-11-27 2002-05-22 通信システム、通信端末及び通信方法

Country Status (2)

Country Link
US (1) US6985714B2 (enExample)
JP (1) JP4075461B2 (enExample)

Families Citing this family (151)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6549616B1 (en) 2000-03-20 2003-04-15 Serconet Ltd. Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
US20020110311A1 (en) * 2001-02-14 2002-08-15 Kline Paul A. Apparatus and method for providing a power line communication device for safe transmission of high-frequency, high-bandwidth signals over existing power distribution lines
US7103240B2 (en) 2001-02-14 2006-09-05 Current Technologies, Llc Method and apparatus for providing inductive coupling and decoupling of high-frequency, high-bandwidth data signals directly on and off of a high voltage power line
US6998962B2 (en) * 2000-04-14 2006-02-14 Current Technologies, Llc Power line communication apparatus and method of using the same
US7248158B2 (en) 2000-04-14 2007-07-24 Current Technologies, Llc Automated meter reading power line communication system and method
US6965302B2 (en) 2000-04-14 2005-11-15 Current Technologies, Llc Power line communication system and method of using the same
IL152252A0 (en) * 2000-04-14 2003-05-29 Current Tech Llc Digital communications utilizing medium voltage power distribution lines
IL135744A (en) 2000-04-18 2008-08-07 Mosaid Technologies Inc Telephone communication system over a single telephone line
US6842459B1 (en) * 2000-04-19 2005-01-11 Serconet Ltd. Network combining wired and non-wired segments
EP1371219A4 (en) * 2001-02-14 2006-06-21 Current Tech Llc DATA COMMUNICATION VIA A POWER SUPPLY LINE
US7173935B2 (en) * 2002-06-07 2007-02-06 Current Grid, Llc Last leg utility grid high-speed data communication network having virtual local area network functionality
IL144158A (en) 2001-07-05 2011-06-30 Mosaid Technologies Inc Socket for connecting an analog telephone to a digital communications network that carries digital voice signals
EP1436990A1 (en) 2001-10-11 2004-07-14 Serconet Ltd. Outlet with analog signal adapter, a method for use thereof and a network using said outlet
US7336602B2 (en) * 2002-01-29 2008-02-26 Intel Corporation Apparatus and method for wireless/wired communications interface
US20060007945A1 (en) * 2002-03-11 2006-01-12 Roland Schoettle Medium to disparate medium hopping mesh network
US6782048B2 (en) * 2002-06-21 2004-08-24 Pulse-Link, Inc. Ultra-wideband communication through a wired network
US7167525B2 (en) * 2002-06-21 2007-01-23 Pulse-Link, Inc. Ultra-wideband communication through twisted-pair wire media
US20060291536A1 (en) * 2002-06-21 2006-12-28 John Santhoff Ultra-wideband communication through a wire medium
US20040156446A1 (en) * 2002-06-21 2004-08-12 John Santhoff Optimization of ultra-wideband communication through a wire medium
US20040218688A1 (en) * 2002-06-21 2004-11-04 John Santhoff Ultra-wideband communication through a power grid
US7102478B2 (en) 2002-06-21 2006-09-05 Current Technologies, Llc Power line coupling device and method of using the same
US6982611B2 (en) * 2002-06-24 2006-01-03 Current Technologies, Llc Power line coupling device and method of using the same
KR100450926B1 (ko) * 2002-09-18 2004-10-02 삼성전자주식회사 광통신용 매체 변환기의 전력 공급장치
US7132819B1 (en) 2002-11-12 2006-11-07 Current Technologies, Llc Floating power supply and method of using the same
US6980090B2 (en) 2002-12-10 2005-12-27 Current Technologies, Llc Device and method for coupling with electrical distribution network infrastructure to provide communications
US7075414B2 (en) 2003-05-13 2006-07-11 Current Technologies, Llc Device and method for communicating data signals through multiple power line conductors
US6965303B2 (en) * 2002-12-10 2005-11-15 Current Technologies, Llc Power line communication system and method
US6980091B2 (en) * 2002-12-10 2005-12-27 Current Technologies, Llc Power line communication system and method of operating the same
US7224272B2 (en) * 2002-12-10 2007-05-29 Current Technologies, Llc Power line repeater system and method
US7046124B2 (en) 2003-01-21 2006-05-16 Current Technologies, Llc Power line coupling device and method of using the same
IL154921A (en) * 2003-03-13 2011-02-28 Mosaid Technologies Inc A telephone system that includes many separate sources and accessories for it
JP4250991B2 (ja) * 2003-03-27 2009-04-08 日本電気株式会社 移動通信端末および通信制御方法
JP2004312458A (ja) * 2003-04-08 2004-11-04 Matsushita Electric Ind Co Ltd 基地局装置および適応変調方法
US20060291575A1 (en) * 2003-07-03 2006-12-28 Berkman William H Power Line Communication System and Method
US7321291B2 (en) * 2004-10-26 2008-01-22 Current Technologies, Llc Power line communications system and method of operating the same
ES2229911B1 (es) * 2003-07-04 2006-07-01 Diseño De Sistemas En Silicio, S.A. Procedimiento de establecimiento de enlaces entre estaciones conectadas a una red de telecomunicacion.
US20050052156A1 (en) * 2003-09-04 2005-03-10 Frank Liebenow Wireless charging mat with integrated interface connection
US7280033B2 (en) * 2003-10-15 2007-10-09 Current Technologies, Llc Surface wave power line communications system and method
JP2007510394A (ja) * 2003-10-24 2007-04-19 スクエア・ディー・カンパニー インテリジェントな電力管理制御システム
US20050198673A1 (en) * 2003-11-03 2005-09-08 John Kit Satellite TV security system
EP1530313B1 (en) * 2003-11-05 2008-07-16 Sony Deutschland GmbH Adaptation of a PLC or DSL modem using quality data
IL159838A0 (en) * 2004-01-13 2004-06-20 Yehuda Binder Information device
US7113134B1 (en) 2004-03-12 2006-09-26 Current Technologies, Llc Transformer antenna device and method of using the same
EP1758314A1 (en) * 2004-04-30 2007-02-28 NEC Corporation Communication apparatus
IL161869A (en) 2004-05-06 2014-05-28 Serconet Ltd A system and method for carrying a signal originating is wired using wires
US20060002189A1 (en) * 2004-06-30 2006-01-05 Berkman William H System and method for determining service availability and soliciting customers
US7330457B2 (en) * 2004-10-07 2008-02-12 Polytechnic University Cooperative wireless communications
US9240868B2 (en) 2004-11-05 2016-01-19 Ruckus Wireless, Inc. Increasing reliable data throughput in a wireless network
US7505447B2 (en) 2004-11-05 2009-03-17 Ruckus Wireless, Inc. Systems and methods for improved data throughput in communications networks
US7873058B2 (en) 2004-11-08 2011-01-18 Mosaid Technologies Incorporated Outlet with analog signal adapter, a method for use thereof and a network using said outlet
US7773517B2 (en) 2004-11-19 2010-08-10 Research In Motion Limited Method and system for identifying degradation of a media service
DE602004006878T2 (de) * 2004-11-19 2008-02-07 Research In Motion Ltd., Waterloo Verfahren und System zur Feststellung des Nachlassens eines Mediendienstes durch Bestimmen einer Packetverlustrate
JP2006197160A (ja) * 2005-01-13 2006-07-27 Sony Corp 通信システム、送信装置および受信装置
JP4649996B2 (ja) * 2005-01-13 2011-03-16 ソニー株式会社 送信装置および受信装置
JP2006253971A (ja) * 2005-03-09 2006-09-21 Chugoku Electric Power Co Inc:The 通信システム
US7265664B2 (en) * 2005-04-04 2007-09-04 Current Technologies, Llc Power line communications system and method
US7856032B2 (en) * 2005-04-04 2010-12-21 Current Technologies, Llc Multi-function modem device
JP2006295479A (ja) * 2005-04-08 2006-10-26 Matsushita Electric Ind Co Ltd 電力線通信装置及び電力線通信方法
US20060255930A1 (en) * 2005-05-12 2006-11-16 Berkman William H Power line communications system and method
US7590404B1 (en) * 2005-05-18 2009-09-15 Sprint Communications Company L.P. Surface wave communications between a remote antenna and a base station that is co-located with another base station
US7558206B2 (en) * 2005-06-21 2009-07-07 Current Technologies, Llc Power line communication rate limiting system and method
US7508834B2 (en) * 2005-06-21 2009-03-24 Current Technologies, Llc Wireless link for power line communications system
US20070054622A1 (en) * 2005-09-02 2007-03-08 Berkman William H Hybrid power line wireless communication system
US7675897B2 (en) 2005-09-06 2010-03-09 Current Technologies, Llc Power line communications system with differentiated data services
US7808985B2 (en) * 2006-11-21 2010-10-05 Gigle Networks Sl Network repeater
US20080159358A1 (en) * 2007-01-02 2008-07-03 David Ruiz Unknown Destination Traffic Repetition
US20070076666A1 (en) * 2005-10-03 2007-04-05 Riveiro Juan C Multi-Wideband Communications over Power Lines
US8213895B2 (en) * 2005-10-03 2012-07-03 Broadcom Europe Limited Multi-wideband communications over multiple mediums within a network
US8406239B2 (en) * 2005-10-03 2013-03-26 Broadcom Corporation Multi-wideband communications over multiple mediums
EP1770870B1 (en) * 2005-10-03 2019-04-03 Avago Technologies International Sales Pte. Limited Powerline communication device and method
US7856007B2 (en) * 2005-10-21 2010-12-21 Current Technologies, Llc Power line communication voice over IP system and method
US8401159B2 (en) * 2005-11-30 2013-03-19 On-Q Telecom Systems Co., Inc. Data provision to a virtual personal assistant for handling calls in a communication system
EP1955533A4 (en) * 2005-11-30 2013-01-09 On Q Telecom Systems Co Inc VIRTUAL PERSONNEL ASSISTANT FOR CALL MANAGEMENT IN A COMMUNICATION SYSTEM
WO2007077969A1 (en) * 2005-12-28 2007-07-12 Matsushita Electric Industrial Co., Ltd. Power line communication apparatus
US7813451B2 (en) 2006-01-11 2010-10-12 Mobileaccess Networks Ltd. Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting
US20080012724A1 (en) * 2006-01-30 2008-01-17 Corcoran Kevin F Power line communications module and method
US20070188985A1 (en) * 2006-01-31 2007-08-16 Wallace Bennett D Jr Disconnect collar for power line carrier metering transponder
US20070201540A1 (en) * 2006-02-14 2007-08-30 Berkman William H Hybrid power line wireless communication network
US20070219909A1 (en) * 2006-03-14 2007-09-20 Robert Hardacker System and method for automatically updating timed DRM keys
US7764943B2 (en) 2006-03-27 2010-07-27 Current Technologies, Llc Overhead and underground power line communication system and method using a bypass
US7929940B1 (en) 2006-04-18 2011-04-19 Nextel Communications Inc. System and method for transmitting wireless digital service signals via power transmission lines
US20070274532A1 (en) * 2006-05-23 2007-11-29 Sanyo Electric Co., Ltd. Audio Reproduction Device, Audio System and Audio Delivery Device
US7860146B2 (en) * 2006-07-06 2010-12-28 Gigle Networks, Inc. Adaptative multi-carrier code division multiple access
US8213582B2 (en) * 2008-03-14 2012-07-03 Broadcom Europe Limited Coupling signal processing circuitry with a wireline communications medium
US9705562B2 (en) * 2006-07-25 2017-07-11 Broadcom Europe Limited Dual transformer communication interface
US8885814B2 (en) * 2006-07-25 2014-11-11 Broadcom Europe Limited Feedback impedance control for driving a signal
US20080039089A1 (en) * 2006-08-11 2008-02-14 Berkman William H System and Method for Providing Dynamically Configurable Wireless Communication Network
JP4907277B2 (ja) * 2006-09-15 2012-03-28 パナソニック株式会社 電力線通信装置、電力線通信方法、及び電力線通信システム
US7853238B1 (en) 2007-03-22 2010-12-14 Nextel Communications Inc. Powerline base station
JP2008236563A (ja) * 2007-03-23 2008-10-02 Kyocera Corp 電力変換装置、携帯端末、および電力線通信方法
JP4931677B2 (ja) * 2007-04-16 2012-05-16 三菱電機株式会社 通信システム
WO2008137763A2 (en) * 2007-05-04 2008-11-13 On-Q Telecom Systems Co., Inc. Data provision to a virtual personal assistant for handling calls in a communication system
US8547899B2 (en) 2007-07-28 2013-10-01 Ruckus Wireless, Inc. Wireless network throughput enhancement through channel aware scheduling
EP2195974A1 (en) * 2007-09-24 2010-06-16 Ceragon Networks LTD. Maintaining a constant delay in point-to-point transmission
ATE555576T1 (de) * 2007-09-24 2012-05-15 Ceragon Networks Ltd Fehlerlose und störungslose kommunikation mit variabler datenrate
WO2009040801A2 (en) * 2007-09-24 2009-04-02 Ceragon Networks Ltd. Protected variable data rate communication systems
US8594133B2 (en) 2007-10-22 2013-11-26 Corning Mobileaccess Ltd. Communication system using low bandwidth wires
SE535727C2 (sv) * 2007-10-26 2012-11-27 Damian Bonicatto Programmerbar signaluppdelare
US8175649B2 (en) 2008-06-20 2012-05-08 Corning Mobileaccess Ltd Method and system for real time control of an active antenna over a distributed antenna system
US8515372B2 (en) * 2008-03-24 2013-08-20 Freescale Semiconductor, Inc. Receiver configurable in a plurality of modes
JP5046345B2 (ja) * 2008-05-29 2012-10-10 株式会社オートネットワーク技術研究所 通信装置、及び通信システム
US7602220B1 (en) 2008-06-24 2009-10-13 Gigle Semiconductor, Ltd. Resistor-input transconductor including common-mode compensation
JP2010041303A (ja) * 2008-08-04 2010-02-18 Panasonic Corp 電力線通信端末
WO2010033244A1 (en) * 2008-09-22 2010-03-25 Silver Spring Networks, Inc. Transparent routing in a power line carrier network
CN102165813B (zh) * 2008-09-29 2014-07-23 日本电气株式会社 无线通信系统、控制装置、通信方法切换方法和程序
US7795973B2 (en) 2008-10-13 2010-09-14 Gigle Networks Ltd. Programmable gain amplifier
US7956689B2 (en) * 2008-10-13 2011-06-07 Broadcom Corporation Programmable gain amplifier and transconductance compensation system
US8279058B2 (en) 2008-11-06 2012-10-02 Current Technologies International Gmbh System, device and method for communicating over power lines
JP5215884B2 (ja) * 2009-01-23 2013-06-19 ソフトバンクＢｂ株式会社 通信装置、信号処理方法
WO2010089719A1 (en) 2009-02-08 2010-08-12 Mobileaccess Networks Ltd. Communication system using cables carrying ethernet signals
US8232666B2 (en) * 2009-02-12 2012-07-31 Broadcom Europe Limited External AC-DC coupling for communication interfaces
JP5603647B2 (ja) * 2009-05-13 2014-10-08 キヤノン株式会社 給電装置、給電装置の制御方法及び給電通信システム
JP5597022B2 (ja) 2009-05-13 2014-10-01 キヤノン株式会社 給電装置、及び制御方法
US9571225B2 (en) * 2009-07-08 2017-02-14 Google Technology Holdings LLC Method and apparatus for optimizing target error rates for link adaptation in a communication system
US20110018704A1 (en) * 2009-07-24 2011-01-27 Burrows Zachary M System, Device and Method for Providing Power Line Communications
JP2011097301A (ja) * 2009-10-28 2011-05-12 Kyocera Corp 携帯電子機器及びクレードル
US9999087B2 (en) * 2009-11-16 2018-06-12 Ruckus Wireless, Inc. Determining role assignment in a hybrid mesh network
US9979626B2 (en) * 2009-11-16 2018-05-22 Ruckus Wireless, Inc. Establishing a mesh network with wired and wireless links
JP2011114443A (ja) * 2009-11-25 2011-06-09 Hitachi Ltd 通信装置および電力量計
US8611824B2 (en) 2009-12-28 2013-12-17 Toyota Jidosha Kabushiki Kaisha Vehicle, communication system for vehicle, and communication controlling method for vehicle
US9191230B2 (en) * 2010-06-03 2015-11-17 Savant Systems, Llc Docking station with redundant communication path
US8520696B1 (en) * 2010-07-30 2013-08-27 Qualcomm Incorporated Terminal selection diversity for powerline communications
JP2012044477A (ja) * 2010-08-19 2012-03-01 Eaccess Ltd 通信システム及びモバイルルータ
US8483401B2 (en) * 2010-10-08 2013-07-09 Plantronics, Inc. Wired noise cancelling stereo headset with separate control box
US8923416B2 (en) * 2010-10-21 2014-12-30 Texas Instruments Incorporation Symbol-level repetition coding in power line communications
US8806314B2 (en) * 2011-06-23 2014-08-12 Panasonic Corporation Communication device, communication system
US20130003875A1 (en) * 2011-06-30 2013-01-03 Broadcom Corporation Powerline communication device with multiple plc interface(s)
US9001787B1 (en) * 2011-09-20 2015-04-07 Trilliant Networks Inc. System and method for implementing handover of a hybrid communications module
EP2829152A2 (en) 2012-03-23 2015-01-28 Corning Optical Communications Wireless Ltd. Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods
JP5550676B2 (ja) * 2012-04-24 2014-07-16 京セラ株式会社 電力充電装置、携帯端末、および電力線通信方法
CN102752023B (zh) * 2012-06-29 2014-10-22 清华大学深圳研究生院 基于无线hart和电力线通信的用电终端设备及系统
EP2699040B1 (en) 2012-08-06 2015-04-08 Itron, Inc. Multi-media multi-modulation and multi-data rate mesh network
JP5836233B2 (ja) * 2012-09-19 2015-12-24 三菱電機株式会社 列車通信システムおよび列車通信方法
DE202014010644U1 (de) * 2013-02-16 2016-04-08 Cable Television Laboratories Inc. Multiple-input multiple-output (mimo) kommunikationssystem
CN104038982B (zh) * 2013-03-07 2018-06-19 中兴通讯股份有限公司 一种数据传输方法、多介质接入点及多介质客户端
JP2015130626A (ja) * 2014-01-08 2015-07-16 富士通株式会社 無線通信装置及び通信パラメータ決定方法
US9184960B1 (en) 2014-09-25 2015-11-10 Corning Optical Communications Wireless Ltd Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference
JP6488527B2 (ja) * 2014-11-13 2019-03-27 シャープ株式会社 受信装置、受信方法、プログラム、及びプロセッサ
US9852098B2 (en) 2016-02-26 2017-12-26 Essential Products, Inc. Systems and techniques for intelligently switching between multiple sources of universal serial bus signals
CN105719443B (zh) * 2016-04-07 2018-03-13 深圳市小煷伴科技有限公司 双向双模追踪器
US10263667B2 (en) * 2016-08-04 2019-04-16 Amazon Technologies, Inc. Mesh network device with power line communications (PLC) and wireless connections
US11006283B2 (en) * 2016-08-25 2021-05-11 Sony Corporation Wireless communication control device, wireless communication device and wireless communication system
US10943188B2 (en) * 2016-11-09 2021-03-09 Universal City Studios Llc Virtual queuing techniques
US11236606B2 (en) * 2017-03-06 2022-02-01 Baker Hughes, A Ge Company, Llc Wireless communication between downhole components and surface systems
CN107797876A (zh) * 2017-09-29 2018-03-13 深圳市元征科技股份有限公司 通信方式的判别方法及终端
CN108923892B (zh) * 2018-06-20 2021-01-19 南京中感微电子有限公司 一种蓝牙接收方法、蓝牙接收机及蓝牙音频设备
KR101968522B1 (ko) * 2019-01-15 2019-04-12 주식회사 에이씨앤티시스템 원방감시제어시스템에서 멀티채널을 이용하여 데이터를 분류하여 전송하는 방법 및 원격단말유닛
JP2020194991A (ja) * 2019-05-24 2020-12-03 矢崎総業株式会社 有線／無線混在通信システムのための送信器、受信器および有線／無線混在通信システム
FR3102282B1 (fr) * 2019-10-21 2023-01-20 Total Direct Energie Procédé d’échange de données entre des entités et un système de mesure
CN115378134B (zh) * 2022-08-30 2025-02-18 国网四川省电力公司信息通信公司 一种基于5g的电力数据处理系统

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6167278A (en) * 1986-10-22 2000-12-26 Nilssen; Ole K. Combination cordless-cellular telephone system
JP2749248B2 (ja) * 1993-07-28 1998-05-13 ローム株式会社 コードレス電話機
US5428668A (en) * 1993-11-04 1995-06-27 Ericsson Ge Mobile Communications Inc. Radio personal communications system and method for allocating frequencies for communications between a cellular terminal and a base station
AU2097495A (en) * 1994-05-06 1995-11-29 Motorola, Inc. System for selecting a communication channel
US5839075A (en) * 1995-08-21 1998-11-17 Ericsson Inc. Methods and systems for allocating a cellular communications channel for communication between a cellular terminal and a telephone base station using received signal strength measurements
US5982854A (en) * 1996-02-23 1999-11-09 Alcatel Usa, Inc. Fiber optic based subscriber terminal
US6151500A (en) * 1997-06-20 2000-11-21 Bellsouth Corporation Method and apparatus for directing a wireless communication to a wireline unit
GB2335335A (en) * 1998-03-13 1999-09-15 Northern Telecom Ltd Carrying speech-band signals over power lines
US6246868B1 (en) * 1998-08-14 2001-06-12 Phonex Corporation Conversion and distribution of incoming wireless telephone signals using the power line
AU1553499A (en) * 1998-12-24 2000-07-31 Swisscom Mobile Ag Communication system, communication method and corresponding devices
US6804536B1 (en) * 1999-06-24 2004-10-12 Parkervision, Inc. Wireless communications interface
US20020011923A1 (en) * 2000-01-13 2002-01-31 Thalia Products, Inc. Appliance Communication And Control System And Appliance For Use In Same
JP2001217757A (ja) * 2000-01-25 2001-08-10 Internatl Business Mach Corp <Ibm> 無線通信親ユニット、その無線通信親ユニットを用いたネットワーク・システム及び通信方法
US6430395B2 (en) * 2000-04-07 2002-08-06 Commil Ltd. Wireless private branch exchange (WPBX) and communicating between mobile units and base stations
US6735448B1 (en) * 2000-11-07 2004-05-11 Hrl Laboratories, Llc Power management for throughput enhancement in wireless ad-hoc networks
US6804532B1 (en) * 2000-12-22 2004-10-12 Cisco Technology, Inc. System and method for re-routing communications based on wireless communication link quality
US6704301B2 (en) * 2000-12-29 2004-03-09 Tropos Networks, Inc. Method and apparatus to provide a routing protocol for wireless devices
EP1371219A4 (en) * 2001-02-14 2006-06-21 Current Tech Llc DATA COMMUNICATION VIA A POWER SUPPLY LINE
US7072408B2 (en) * 2001-02-20 2006-07-04 Lucent Technologies Inc. Method and system for using power lines for signaling, telephony and data communications
US7151769B2 (en) * 2001-03-22 2006-12-19 Meshnetworks, Inc. Prioritized-routing for an ad-hoc, peer-to-peer, mobile radio access system based on battery-power levels and type of service
JP4409788B2 (ja) * 2001-05-10 2010-02-03 富士通株式会社 無線データ通信網切替装置と無線データ通信網切替処理用プログラム
US6573826B2 (en) * 2001-07-25 2003-06-03 Yuan-Sheng Pan Wireless communication system by using electric power line as data link network
US6759946B2 (en) * 2001-12-06 2004-07-06 Mitsubishi Electric Research Laboratories, Inc. Home appliances network

Also Published As

Publication number Publication date
JP2003229790A (ja) 2003-08-15
US20030129978A1 (en) 2003-07-10
US6985714B2 (en) 2006-01-10

Similar Documents

Publication Publication Date Title
JP4075461B2 (ja) 通信システム、通信端末及び通信方法
TWI239782B (en) Wireless communication method and system with controlled WTRU peer-to-peer communications
JP4458247B2 (ja) 無線基地局装置設定システムおよび無線基地局装置設定方法
TWI379553B (en) Client device characterization of other client device transmissions and reporting of signal qualities to access point(s)
US7551939B2 (en) Power-grid-powered agents for wireless communication systems
US5513248A (en) Cordless telephone micro-cellular system
EP0788285A2 (en) Cordless data/facsimile modem
JPH06205459A (ja) 電話サービス用低電力ワイヤレスシステム及びその無線リンクを確立する方法
US20200220574A1 (en) Dynamic medium switch in co-located plc and rf networks
US5890069A (en) Cordless telephone micro-cellular system
CN101026536A (zh) 通信设备、通信系统和通信方法
US7839818B2 (en) Radio communication device and communication load calculation method therefor
EP1856854A1 (en) Method and apparatus for interference-based routing in a wireless mesh network
JPH0815267B2 (ja) 無線電話機
KR20020067515A (ko) 선택적인 네트워크 액세스를 위한 방법 및 장치
JPH04337997A (ja) 無線電気通信システム
JP2003518822A (ja) 通信経路の指定方法
GB2366952A (en) Short range base stations connected to main power wiring
CN106301475B (zh) 基于电力线载波通信的系统、桥接节点及方法
US20030054767A1 (en) Method and apparatus for using wireless network enabled devices over existing wired telephone networks
US9332442B2 (en) Apparatus and method of a configurable network
JP2003324449A (ja) 無線通信端末装置および無線通信中継装置
JP4687171B2 (ja) 無線通信システムおよび無線通信装置ならびに無線通信システムにおける送信電力制御方法
JPH1070772A (ja) Ｃｄｍａ移動通信システムにおける信号伝送方法および移動局または基地局用信号伝送装置
WO2009050422A1 (en) Wireless access system

Legal Events

Date Code Title Description
RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20050401

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20050408

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20050411

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050512

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050512

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070807

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071004

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071106

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071204

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080108

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080121

R151 Written notification of patent or utility model registration

Ref document number: 4075461

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110208

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110208

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120208

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120208

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130208

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130208

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140208

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term