JP3893881B2 - ソフトウェア無線機および無線システム、ソフトウェア無線機の認定方式 - Google Patents

ソフトウェア無線機および無線システム、ソフトウェア無線機の認定方式 Download PDF

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Publication number
JP3893881B2
JP3893881B2 JP2001039340A JP2001039340A JP3893881B2 JP 3893881 B2 JP3893881 B2 JP 3893881B2 JP 2001039340 A JP2001039340 A JP 2001039340A JP 2001039340 A JP2001039340 A JP 2001039340A JP 3893881 B2 JP3893881 B2 JP 3893881B2
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Japan
Prior art keywords
radio
software
transmission
control unit
unit
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Expired - Fee Related
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JP2001039340A
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English (en)
Japanese (ja)
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JP2002246940A5 (https=
JP2002246940A (ja
Inventor
晃司 渡辺
秀哉 鈴木
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2001039340A priority Critical patent/JP3893881B2/ja
Priority to CNB01122892XA priority patent/CN1282370C/zh
Priority to US09/798,993 priority patent/US7043023B2/en
Publication of JP2002246940A publication Critical patent/JP2002246940A/ja
Publication of JP2002246940A5 publication Critical patent/JP2002246940A5/ja
Application granted granted Critical
Publication of JP3893881B2 publication Critical patent/JP3893881B2/ja
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • 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
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)
JP2001039340A 2001-02-16 2001-02-16 ソフトウェア無線機および無線システム、ソフトウェア無線機の認定方式 Expired - Fee Related JP3893881B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2001039340A JP3893881B2 (ja) 2001-02-16 2001-02-16 ソフトウェア無線機および無線システム、ソフトウェア無線機の認定方式
CNB01122892XA CN1282370C (zh) 2001-02-16 2001-03-05 软件无线设备及无线系统、软件无线设备的认定方式
US09/798,993 US7043023B2 (en) 2001-02-16 2001-03-06 Software defined radio and radio system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001039340A JP3893881B2 (ja) 2001-02-16 2001-02-16 ソフトウェア無線機および無線システム、ソフトウェア無線機の認定方式

Publications (3)

Publication Number Publication Date
JP2002246940A JP2002246940A (ja) 2002-08-30
JP2002246940A5 JP2002246940A5 (https=) 2005-06-30
JP3893881B2 true JP3893881B2 (ja) 2007-03-14

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Family Applications (1)

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JP2001039340A Expired - Fee Related JP3893881B2 (ja) 2001-02-16 2001-02-16 ソフトウェア無線機および無線システム、ソフトウェア無線機の認定方式

Country Status (3)

Country Link
US (1) US7043023B2 (https=)
JP (1) JP3893881B2 (https=)
CN (1) CN1282370C (https=)

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Also Published As

Publication number Publication date
US20020144134A1 (en) 2002-10-03
CN1369973A (zh) 2002-09-18
CN1282370C (zh) 2006-10-25
JP2002246940A (ja) 2002-08-30
US7043023B2 (en) 2006-05-09

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