DE60132680D1 - CDMA Demodulationsschaltung und CDMA Demodulationsverfahren - Google Patents
CDMA Demodulationsschaltung und CDMA DemodulationsverfahrenInfo
- Publication number
- DE60132680D1 DE60132680D1 DE60132680T DE60132680T DE60132680D1 DE 60132680 D1 DE60132680 D1 DE 60132680D1 DE 60132680 T DE60132680 T DE 60132680T DE 60132680 T DE60132680 T DE 60132680T DE 60132680 D1 DE60132680 D1 DE 60132680D1
- Authority
- DE
- Germany
- Prior art keywords
- cdma demodulation
- cdma
- circuit
- demodulation circuit
- demodulation method
- 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
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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7113—Determination of path profile
-
- 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
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000090442A JP2001285129A (ja) | 2000-03-29 | 2000-03-29 | Cdma復調回路及び復調方法 |
JP2000090442 | 2000-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60132680D1 true DE60132680D1 (de) | 2008-03-20 |
DE60132680T2 DE60132680T2 (de) | 2008-06-05 |
Family
ID=18606048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2001632680 Expired - Lifetime DE60132680T2 (de) | 2000-03-29 | 2001-03-27 | CDMA-Demodulationsschaltung und CDMA-Demodulationsverfahren |
Country Status (7)
Country | Link |
---|---|
US (1) | US6922433B2 (de) |
EP (1) | EP1139578B1 (de) |
JP (1) | JP2001285129A (de) |
CN (1) | CN100397807C (de) |
AU (1) | AU776458B2 (de) |
DE (1) | DE60132680T2 (de) |
HK (1) | HK1041577A1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003023371A (ja) * | 2001-07-06 | 2003-01-24 | Nec Corp | Cdma受信機、その受信方法及びプログラム |
JP3877158B2 (ja) | 2002-10-31 | 2007-02-07 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 周波数偏移検出回路及び周波数偏移検出方法、携帯通信端末 |
KR100981507B1 (ko) * | 2003-04-14 | 2010-09-10 | 삼성전자주식회사 | 블록 확산 코드분할 다중접속 이동통신 시스템에서 트래픽 발생 및 수신 장치 및 방법 |
JP2004343542A (ja) * | 2003-05-16 | 2004-12-02 | Sony Ericsson Mobilecommunications Japan Inc | 携帯情報通信端末、プログラムおよび記録媒体 |
JP4238987B2 (ja) * | 2003-10-08 | 2009-03-18 | 日本電気株式会社 | Cdma受信方法及び装置 |
US20070021086A1 (en) * | 2005-07-22 | 2007-01-25 | Industrial Technology Research Institute | Method for path selection and signal processing in wireless communications system |
US20070019585A1 (en) * | 2005-07-22 | 2007-01-25 | Industrial Technology Research Institute | Apparatus for path selection and signal processing in wireless communications system |
US7848388B2 (en) | 2006-08-08 | 2010-12-07 | Sony Ericsson Mobile Communications Ab | Minimizing estimation time for rake fingers with help of a speed sensor |
US8275314B1 (en) | 2007-08-13 | 2012-09-25 | Marvell International Ltd. | Bluetooth scan modes |
US8577305B1 (en) | 2007-09-21 | 2013-11-05 | Marvell International Ltd. | Circuits and methods for generating oscillating signals |
US8588705B1 (en) | 2007-12-11 | 2013-11-19 | Marvell International Ltd. | System and method of determining Power over Ethernet impairment |
EP2635077B1 (de) | 2008-06-16 | 2016-11-23 | Marvell World Trade Ltd. | Drahtlose Kommunikation mit kurzer Reichweite |
US8600324B1 (en) | 2008-06-27 | 2013-12-03 | Marvell International Ltd | Circuit and method for adjusting a digitally controlled oscillator |
US8472968B1 (en) | 2008-08-11 | 2013-06-25 | Marvell International Ltd. | Location-based detection of interference in cellular communications systems |
US9288764B1 (en) | 2008-12-31 | 2016-03-15 | Marvell International Ltd. | Discovery-phase power conservation |
US8472427B1 (en) | 2009-04-06 | 2013-06-25 | Marvell International Ltd. | Packet exchange arbitration for coexisting radios |
US9066369B1 (en) | 2009-09-16 | 2015-06-23 | Marvell International Ltd. | Coexisting radio communication |
US8767771B1 (en) | 2010-05-11 | 2014-07-01 | Marvell International Ltd. | Wakeup beacons for mesh networks |
JP5776128B2 (ja) | 2010-10-20 | 2015-09-09 | マーベル ワールド トレード リミテッド | 関連付け前の発見 |
US8983557B1 (en) * | 2011-06-30 | 2015-03-17 | Marvell International Ltd. | Reducing power consumption of a multi-antenna transceiver |
US9125216B1 (en) | 2011-09-28 | 2015-09-01 | Marvell International Ltd. | Method and apparatus for avoiding interference among multiple radios |
WO2013119810A1 (en) | 2012-02-07 | 2013-08-15 | Marvell World Trade Ltd. | Method and apparatus for multi-network communication |
US9450649B2 (en) | 2012-07-02 | 2016-09-20 | Marvell World Trade Ltd. | Shaping near-field transmission signals |
CN202863398U (zh) * | 2012-09-12 | 2013-04-10 | 东莞鸿益雨刷有限公司 | 雨刷与雨刷杆的装配结构 |
JP7106968B2 (ja) * | 2018-05-02 | 2022-07-27 | 日本電気株式会社 | 管理装置、データ抽出方法及びプログラム |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2888102B2 (ja) | 1993-08-26 | 1999-05-10 | 三菱電機株式会社 | 時間ダイバーシティ通信装置用送信機および受信機、並びに時間ダイバーシティ通信装置 |
EP0716520B1 (de) * | 1994-06-23 | 2004-05-12 | NTT DoCoMo, Inc. | Cdma demodulationsschaltung und -verfahren |
JPH10271034A (ja) | 1997-03-26 | 1998-10-09 | Matsushita Electric Ind Co Ltd | Cdma移動体通信受信装置 |
JP2853705B2 (ja) | 1997-05-07 | 1999-02-03 | 日本電気株式会社 | スペクトラム拡散通信受信機 |
JP2856198B2 (ja) | 1997-06-11 | 1999-02-10 | 日本電気株式会社 | スペクトラム拡散受信機 |
JP2924864B2 (ja) * | 1997-06-16 | 1999-07-26 | 日本電気株式会社 | 適応レイク受信方式 |
JP3159378B2 (ja) * | 1997-08-13 | 2001-04-23 | 日本電気株式会社 | スペクトル拡散通信方式 |
JP3095065B2 (ja) * | 1997-09-11 | 2000-10-03 | 日本電気株式会社 | スペクトル拡散信号のレイク受信方法およびレイク受信装置 |
JP3793632B2 (ja) * | 1997-12-18 | 2006-07-05 | 松下電器産業株式会社 | セルサーチ方法及び移動局装置 |
US6269075B1 (en) | 1998-01-26 | 2001-07-31 | Nokia Mobile Phones Limited | Finger assignment in a CDMA rake receiver |
JP3913879B2 (ja) * | 1998-02-03 | 2007-05-09 | 富士通株式会社 | 移動速度に基づく通信制御装置および方法 |
JP2937994B1 (ja) | 1998-03-04 | 1999-08-23 | 日本電気移動通信株式会社 | セルラーシステムと移動携帯機、基地局装置、及び最適パス検出方法とその装置 |
JP3891373B2 (ja) | 1998-03-26 | 2007-03-14 | ソニー株式会社 | 復調装置及び復調方法 |
JP3028804B2 (ja) * | 1998-07-03 | 2000-04-04 | 日本電気株式会社 | Cdma受信方法及び受信回路 |
JP3031354B1 (ja) * | 1998-09-30 | 2000-04-10 | 日本電気株式会社 | Cdma受信装置及びそのマルチパスのフィンガ割り当て方法並びにその制御プログラムを記録した記録媒体 |
-
2000
- 2000-03-29 JP JP2000090442A patent/JP2001285129A/ja active Pending
-
2001
- 2001-03-22 AU AU29819/01A patent/AU776458B2/en not_active Ceased
- 2001-03-27 EP EP20010107452 patent/EP1139578B1/de not_active Expired - Lifetime
- 2001-03-27 DE DE2001632680 patent/DE60132680T2/de not_active Expired - Lifetime
- 2001-03-28 US US09/818,912 patent/US6922433B2/en not_active Expired - Fee Related
- 2001-03-29 CN CNB011124075A patent/CN100397807C/zh not_active Expired - Fee Related
-
2002
- 2002-05-24 HK HK02103128A patent/HK1041577A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1139578A3 (de) | 2004-11-10 |
US6922433B2 (en) | 2005-07-26 |
CN1319963A (zh) | 2001-10-31 |
JP2001285129A (ja) | 2001-10-12 |
AU2981901A (en) | 2001-10-04 |
US20010026580A1 (en) | 2001-10-04 |
EP1139578A2 (de) | 2001-10-04 |
DE60132680T2 (de) | 2008-06-05 |
HK1041577A1 (en) | 2002-07-12 |
AU776458B2 (en) | 2004-09-09 |
CN100397807C (zh) | 2008-06-25 |
EP1139578B1 (de) | 2008-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |