JP2011077593A5 - 復調器 - Google Patents

復調器 Download PDF

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Publication number
JP2011077593A5
JP2011077593A5 JP2009223964A JP2009223964A JP2011077593A5 JP 2011077593 A5 JP2011077593 A5 JP 2011077593A5 JP 2009223964 A JP2009223964 A JP 2009223964A JP 2009223964 A JP2009223964 A JP 2009223964A JP 2011077593 A5 JP2011077593 A5 JP 2011077593A5
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JP
Japan
Prior art keywords
demodulator
amplitude value
amplitude
symbol
received
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JP2009223964A
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English (en)
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JP5281530B2 (ja
JP2011077593A (ja
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Priority to JP2009223964A priority Critical patent/JP5281530B2/ja
Priority claimed from JP2009223964A external-priority patent/JP5281530B2/ja
Priority to US12/892,511 priority patent/US8294513B2/en
Priority to CN201010505237.7A priority patent/CN102035776B/zh
Publication of JP2011077593A publication Critical patent/JP2011077593A/ja
Publication of JP2011077593A5 publication Critical patent/JP2011077593A5/ja
Application granted granted Critical
Publication of JP5281530B2 publication Critical patent/JP5281530B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (1)

  1. 搬送波の振幅値が異なる複数の受信シンボルの復調を行う復調器であって、
    前記受信シンボルの搬送波の振幅値から定まる同相成分の絶対値と直交成分の絶対値とを加算して受信シンボル振幅値を算出する振幅値算出部と、
    前記振幅値算出部が算出した受信シンボル振幅値の変化を検出し、当該検出結果に基づいて受信シンボルを復調する復調部と、を備える復調器。
JP2009223964A 2009-09-29 2009-09-29 復調器 Expired - Fee Related JP5281530B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009223964A JP5281530B2 (ja) 2009-09-29 2009-09-29 復調器
US12/892,511 US8294513B2 (en) 2009-09-29 2010-09-28 Demodulator and demodulation method
CN201010505237.7A CN102035776B (zh) 2009-09-29 2010-09-29 解调器和解调方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009223964A JP5281530B2 (ja) 2009-09-29 2009-09-29 復調器

Publications (3)

Publication Number Publication Date
JP2011077593A JP2011077593A (ja) 2011-04-14
JP2011077593A5 true JP2011077593A5 (ja) 2012-04-05
JP5281530B2 JP5281530B2 (ja) 2013-09-04

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ID=43779642

Family Applications (1)

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JP2009223964A Expired - Fee Related JP5281530B2 (ja) 2009-09-29 2009-09-29 復調器

Country Status (3)

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US (1) US8294513B2 (ja)
JP (1) JP5281530B2 (ja)
CN (1) CN102035776B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102333058B (zh) * 2011-09-07 2015-04-15 豪威科技(上海)有限公司 一种信号解调方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939149A (ja) * 1982-08-28 1984-03-03 Nec Corp 多値直交振幅復調器
JPH033424A (ja) * 1989-05-30 1991-01-09 Fujitsu Ten Ltd 受信機
US6081822A (en) * 1998-03-11 2000-06-27 Agilent Technologies, Inc. Approximating signal power and noise power in a system
US6727772B2 (en) * 2002-05-01 2004-04-27 Intel Corporation Method and system for synchronizing a quadrature amplitude modulation demodulator
JP3979261B2 (ja) * 2002-10-23 2007-09-19 トヨタ自動車株式会社 受信装置
JP3935460B2 (ja) * 2003-09-30 2007-06-20 松下電器産業株式会社 振幅情報抽出装置および振幅情報抽出方法
JP2005136620A (ja) * 2003-10-29 2005-05-26 Toyota Motor Corp 信号復調装置
JP2005217967A (ja) * 2004-01-30 2005-08-11 Fuji Electric Holdings Co Ltd リーダライタの復調装置
JP2007158749A (ja) * 2005-12-06 2007-06-21 Renesas Technology Corp スレーブデバイスとｒｆ通信を行うマスターデバイスおよびその信号処理のインプリメンテーションに好適な半導体集積回路
JP2008085396A (ja) 2006-09-25 2008-04-10 Fujitsu Ltd デジタル復調のための検波方法および検波装置
WO2008114346A1 (ja) * 2007-03-16 2008-09-25 Fujitsu Limited 歪補償装置及びその遅延時間推定方法

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