SG10201709789UA - Wireless communication system, shielded yard wireless communication system, and wireless communication device - Google Patents

Wireless communication system, shielded yard wireless communication system, and wireless communication device

Info

Publication number
SG10201709789UA
SG10201709789UA SG10201709789UA SG10201709789UA SG10201709789UA SG 10201709789U A SG10201709789U A SG 10201709789UA SG 10201709789U A SG10201709789U A SG 10201709789UA SG 10201709789U A SG10201709789U A SG 10201709789UA SG 10201709789U A SG10201709789U A SG 10201709789UA
Authority
SG
Singapore
Prior art keywords
wireless communication
communication system
shielded
yard
communication device
Prior art date
Application number
SG10201709789UA
Inventor
Takei Ken
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of SG10201709789UA publication Critical patent/SG10201709789UA/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001—Crossed polarisation dual antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/12—Generation of orthogonal codes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

'(%&&)**+")' "&,& *(%&&)**+")' " #)&'%&$&')!")+"- (% !-"''" ""'&' %'"&* %'"'%)#%+&"-% ' "-$'%6('#!'#"-' )!'"-'1 %'"&*&&"%2+"), $)))&'%'&&-" ! #)&%&$) #,'"'%&!'% "'%& !#)&"%*' " '"'%& )'%&+$%*$&"'%& )'%%%('# "'&)" !#)& ! %'"&* ('#&%)# %$%+) !"%*' " ( ! !)&'&&-" !&)"#)'" !&!'%)'&&-" !%& #) !&)"#) %'"&* &&)""%*' " !%+-!*+' "+&"- !) !% ')! !%& '"&)" #)&'3+& & !$%$'-' "%2+"),%'*'/*+*%' "" "& , '&-"'%$%+)( ! !)'&&-" '" !%#) '" " "& ,'&-"'%$%+)( ! !)'&&-" !("#) ) %'("-D-
SG10201709789UA 2016-11-28 2017-11-27 Wireless communication system, shielded yard wireless communication system, and wireless communication device SG10201709789UA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016229764A JP2018088570A (en) 2016-11-28 2016-11-28 Wireless system, wireless system in shielded premise, radio

Publications (1)

Publication Number Publication Date
SG10201709789UA true SG10201709789UA (en) 2018-06-28

Family

ID=62190427

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201709789UA SG10201709789UA (en) 2016-11-28 2017-11-27 Wireless communication system, shielded yard wireless communication system, and wireless communication device

Country Status (4)

Country Link
US (1) US10277351B2 (en)
JP (1) JP2018088570A (en)
CN (1) CN108123722B (en)
SG (1) SG10201709789UA (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10594417B2 (en) 2016-01-14 2020-03-17 Lg Electronics Inc. Apparatus and method for transmitting and receiving broadcast signal
JP7152255B2 (en) * 2018-10-25 2022-10-12 株式会社日立製作所 Wireless communication system and wireless communication method
JP7186062B2 (en) * 2018-10-29 2022-12-08 株式会社日立製作所 Wireless system and wireless communication method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6128330A (en) 1998-11-24 2000-10-03 Linex Technology, Inc. Efficient shadow reduction antenna system for spread spectrum
CN100423601C (en) * 1999-07-30 2008-10-01 伊奥斯潘无线公司 Spatial multiplexing in a cellular network
US6067290A (en) * 1999-07-30 2000-05-23 Gigabit Wireless, Inc. Spatial multiplexing in a cellular network
JP4332292B2 (en) 2000-10-25 2009-09-16 株式会社デンソー Wireless communication system, base station and terminal station
JP4160546B2 (en) 2004-09-24 2008-10-01 株式会社東芝 Wireless communication receiver
JP2006100890A (en) * 2004-09-28 2006-04-13 Oki Electric Ind Co Ltd Data transmission method and system, data transmitter and data receiver
US20070047678A1 (en) * 2005-08-30 2007-03-01 Motorola, Inc. Method and system for combined polarimetric and coherent processing for a wireless system
JP4715588B2 (en) * 2006-03-31 2011-07-06 日立電線株式会社 Non-powered wireless monitoring system and slave station used in the system
JP4774085B2 (en) * 2008-07-31 2011-09-14 富士通株式会社 Storage system
US9264097B2 (en) * 2009-06-04 2016-02-16 Qualcomm Incorporated Interference mitigation for downlink in a wireless communication system
US8830903B2 (en) * 2010-05-28 2014-09-09 Comtech Ef Data Corp. Identification, alignment and cross polarization optimization for orthogonal polarized transmission and relay systems
JP5886146B2 (en) * 2012-06-20 2016-03-16 株式会社日立製作所 Wireless power transmission apparatus, image display system using the same, and mobile power supply system
JP6228108B2 (en) * 2014-12-18 2017-11-08 株式会社日立製作所 Wireless communication system

Also Published As

Publication number Publication date
US10277351B2 (en) 2019-04-30
JP2018088570A (en) 2018-06-07
US20180152258A1 (en) 2018-05-31
CN108123722B (en) 2020-03-31
CN108123722A (en) 2018-06-05

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