JP2005537727A - 差動超広帯域信号を受信するための方法および装置 - Google Patents
差動超広帯域信号を受信するための方法および装置 Download PDFInfo
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- JP2005537727A JP2005537727A JP2004531995A JP2004531995A JP2005537727A JP 2005537727 A JP2005537727 A JP 2005537727A JP 2004531995 A JP2004531995 A JP 2004531995A JP 2004531995 A JP2004531995 A JP 2004531995A JP 2005537727 A JP2005537727 A JP 2005537727A
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- filter
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- radio frequency
- receiver
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- 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
- H04B1/71637—Receiver aspects
-
- 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
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Noise Elimination (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (17)
- 無線周波入力と、
前記無線周波入力に結合された差動相関器と、
前記差動相関器に結合されたフィルタと、
受信した差動パルス信号からデジタル・データを回復する前記フィルタに結合されたデジタル復調器と、
を含むことを特徴とする受信機。 - 前記差動相関器は、遅延素子およびミキサを含み、第1受信パルスを遅延させ、かつ前記遅延したパルスを第2受信パルスと混合することを特徴とする請求項1記載の受信機。
- 前記遅延素子は、前記第1受信パルスをほぼ1シンボル期間だけ遅延させることを特徴とする請求項2記載の受信機。
- 前記フィルタは、低域通過フィルタであることを特徴とする請求項2記載の受信機。
- 前記フィルタは、可変帯域幅フィルタであることを特徴とする請求項3記載の受信機。
- 前記デジタル復調器は、前記フィルタに結合されたアナログ・デジタル変換器を含み、前記受信パルスの前記シンボル速度で前記フィルタからの出力をサンプリングすることを特徴とする請求項2記載の受信機。
- エラー検出器は、前記フィルタの帯域幅特性を変更するために前記デジタル復調器に結合されることを特徴とする請求項2記載の受信機。
- デジタル・データの前記エラー検出器は、前記フィルタの帯域幅特性を増加させることを特徴とする請求項7記載の受信機。
- デジタル・データの前記エラー検出器は、前記フィルタの帯域幅特性を減少させることを特徴とする請求項7記載の受信機。
- 前記受信機は、送信機を含む送受信機であることを特徴とする請求項1記載の受信機。
- パルスを有する差動無線周波信号を濾波し増幅する段階と、
前記濾波され増幅された差動無線周波信号を、差動相関器を用いて、相関を取る段階と、
前記相関の取られた差動無線周波信号を、低域通過フィルタを用いて、濾波する段階と、
前記濾波され相関の取られた差動無線周波信号をデジタル復調器を用いて復調し、受信した差動パルスからデジタル・データを回復する段階と、
を含むことを特徴とする無線周波信号を受信する方法。 - 前記差動無線周波信号の相関を取る段階は、第1受信パルスを遅延させ、前記遅延したパルスを第2受信パルスと混合する段階を含むことを特徴とする請求項11記載の方法。
- 前記第1受信パルスを遅延させる段階は、前記第1パルスをほぼ1シンボル期間だけ遅延させる段階を含むことを特徴とする請求項12記載の方法。
- 前記相関の取られた差動無線周波信号を濾波する段階は、差動RF信号を可変帯域幅の低域通過フィルタで濾波する段階を含むことを特徴とする請求項13記載の方法。
- 前記相関の取られた差動無線周波信号を濾波する段階は、前記フィルタの帯域幅特性を変更するためにエラー検出器を用いる段階を含むことを特徴とする請求項14記載の方法。
- 前記濾波され相関の取られた差動無線周波信号を濾波する段階は、前記フィルタに結合されたアナログ・デジタル変換器を用いて、前記受信パルスのほぼシンボル速度で、前記濾波され相関の取られた差動パルスをサンプリングする段階を含むことを特徴とする請求項12記載の方法。
- 前記パルスを有する差動無線周波パルスを濾波し増幅する段階は、0.25より大きな信号中心周波数で分割された帯域幅を有する差動無線周波信号を濾波し増幅する段階を含むことを特徴とする請求項11記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/231,706 US7006583B2 (en) | 2002-08-30 | 2002-08-30 | Method and apparatus for receiving differential ultra wideband signals |
PCT/US2003/027274 WO2004021595A1 (en) | 2002-08-30 | 2003-08-29 | A method and apparatus for receiving differential ultra wideband signals |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005537727A true JP2005537727A (ja) | 2005-12-08 |
Family
ID=31976790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004531995A Pending JP2005537727A (ja) | 2002-08-30 | 2003-08-29 | 差動超広帯域信号を受信するための方法および装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7006583B2 (ja) |
JP (1) | JP2005537727A (ja) |
CN (1) | CN100361408C (ja) |
AU (1) | AU2003268321A1 (ja) |
MY (1) | MY134286A (ja) |
WO (1) | WO2004021595A1 (ja) |
Cited By (3)
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JP2011112616A (ja) * | 2009-11-30 | 2011-06-09 | Seiko Epson Corp | 衛星信号捕捉方法及び衛星信号受信装置 |
JP2011120217A (ja) * | 2010-09-30 | 2011-06-16 | Seiko Epson Corp | 衛星信号捕捉方法及び衛星信号受信装置 |
JP2013211864A (ja) * | 2006-04-03 | 2013-10-10 | Kaba Ag | 情報伝送方法及びシステム |
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US7929913B2 (en) * | 2002-12-16 | 2011-04-19 | Intel Corporation | Adaptive receiver architecture |
US20050100076A1 (en) * | 2003-08-04 | 2005-05-12 | Gazdzinski Robert F. | Adaptive holographic wideband communications apparatus and methods |
US20050084032A1 (en) * | 2003-08-04 | 2005-04-21 | Lowell Rosen | Wideband holographic communications apparatus and methods |
US20050084033A1 (en) * | 2003-08-04 | 2005-04-21 | Lowell Rosen | Scalable transform wideband holographic communications apparatus and methods |
CN100550661C (zh) * | 2004-04-19 | 2009-10-14 | 皇家飞利浦电子股份有限公司 | 有重新配置块的无线电接收机及相关方法和无线通信系统 |
US7769115B2 (en) * | 2004-10-01 | 2010-08-03 | Regents Of The University Of Minnesota | Noncoherent ultra-wideband (UWB) demodulation |
JP4592470B2 (ja) * | 2005-03-30 | 2010-12-01 | 富士通セミコンダクター株式会社 | 増幅回路及び増幅回路の制御方法 |
JP4895254B2 (ja) | 2005-09-16 | 2012-03-14 | 三星電子株式会社 | 無線送信機および無線受信機 |
KR100790123B1 (ko) | 2005-09-16 | 2008-01-02 | 삼성전자주식회사 | 초광대역 직접 확산 펄스 통신방식의 무선 송신기 및 무선수신기 |
KR100744456B1 (ko) * | 2006-04-10 | 2007-08-01 | 인하대학교 산학협력단 | M진 직교코드/밸런스 uwb 전송기준 시스템 |
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US9794888B2 (en) | 2014-05-05 | 2017-10-17 | Isco International, Llc | Method and apparatus for increasing performance of a communication link of a communication node |
CN104092504B (zh) * | 2014-07-22 | 2017-02-15 | 四川九洲电器集团有限责任公司 | 一种延迟检测装置及其检测方法 |
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2002
- 2002-08-30 US US10/231,706 patent/US7006583B2/en not_active Expired - Fee Related
-
2003
- 2003-08-21 MY MYPI20033186A patent/MY134286A/en unknown
- 2003-08-29 WO PCT/US2003/027274 patent/WO2004021595A1/en active Application Filing
- 2003-08-29 AU AU2003268321A patent/AU2003268321A1/en not_active Abandoned
- 2003-08-29 CN CNB038021110A patent/CN100361408C/zh not_active Expired - Fee Related
- 2003-08-29 JP JP2004531995A patent/JP2005537727A/ja active Pending
Cited By (5)
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JP2013211864A (ja) * | 2006-04-03 | 2013-10-10 | Kaba Ag | 情報伝送方法及びシステム |
JP2011112616A (ja) * | 2009-11-30 | 2011-06-09 | Seiko Epson Corp | 衛星信号捕捉方法及び衛星信号受信装置 |
US8462833B2 (en) | 2009-11-30 | 2013-06-11 | Seiko Epson Corporation | Method for acquiring satellite signal and satellite signal receiving device |
US8750348B2 (en) | 2009-11-30 | 2014-06-10 | Seiko Epson Corporation | Method for acquiring satellite signal and satellite signal receiving device |
JP2011120217A (ja) * | 2010-09-30 | 2011-06-16 | Seiko Epson Corp | 衛星信号捕捉方法及び衛星信号受信装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2004021595A1 (en) | 2004-03-11 |
CN1615596A (zh) | 2005-05-11 |
AU2003268321A1 (en) | 2004-03-19 |
MY134286A (en) | 2007-11-30 |
US7006583B2 (en) | 2006-02-28 |
CN100361408C (zh) | 2008-01-09 |
US20040042561A1 (en) | 2004-03-04 |
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