CN1639990B - 一种直接转换多模接收机 - Google Patents

一种直接转换多模接收机 Download PDF

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Publication number
CN1639990B
CN1639990B CN03804376.9A CN03804376A CN1639990B CN 1639990 B CN1639990 B CN 1639990B CN 03804376 A CN03804376 A CN 03804376A CN 1639990 B CN1639990 B CN 1639990B
Authority
CN
China
Prior art keywords
filter
receiver
frequency
signal
chebychev
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
Application number
CN03804376.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN1639990A (zh
Inventor
西蒙·阿特金森
帕列·比尔克
斯泰西·霍
佐兰·兹沃纳尔
艾当·卡哈拉纳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MediaTek Inc
Original Assignee
MediaTek Inc
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
Priority claimed from GBGB0204108.5A external-priority patent/GB0204108D0/en
Application filed by MediaTek Inc filed Critical MediaTek Inc
Publication of CN1639990A publication Critical patent/CN1639990A/zh
Application granted granted Critical
Publication of CN1639990B publication Critical patent/CN1639990B/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04B1/38—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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • 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)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
CN03804376.9A 2002-02-21 2003-02-21 一种直接转换多模接收机 Expired - Lifetime CN1639990B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0204108.5 2002-02-21
GBGB0204108.5A GB0204108D0 (en) 2002-02-21 2002-02-21 3G radio
US10/331,622 2002-12-30
US10/331,622 US7292649B2 (en) 2002-02-21 2002-12-30 3G radio
PCT/US2003/005473 WO2003073631A1 (en) 2002-02-21 2003-02-21 3g radio

Publications (2)

Publication Number Publication Date
CN1639990A CN1639990A (zh) 2005-07-13
CN1639990B true CN1639990B (zh) 2010-09-15

Family

ID=27767096

Family Applications (1)

Application Number Title Priority Date Filing Date
CN03804376.9A Expired - Lifetime CN1639990B (zh) 2002-02-21 2003-02-21 一种直接转换多模接收机

Country Status (4)

Country Link
EP (1) EP1476950B1 (https=)
JP (1) JP4338526B2 (https=)
CN (1) CN1639990B (https=)
WO (1) WO2003073631A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0204108D0 (en) 2002-02-21 2002-04-10 Analog Devices Inc 3G radio
US7231193B2 (en) * 2004-04-13 2007-06-12 Skyworks Solutions, Inc. Direct current offset correction systems and methods
US7379752B2 (en) * 2004-10-13 2008-05-27 Mediatek Inc. Methods and apparatus for communication in a wireless system
US8417750B2 (en) 2004-10-13 2013-04-09 Mediatek Inc. Filters for communication systems
JP5202035B2 (ja) * 2008-02-28 2013-06-05 ルネサスエレクトロニクス株式会社 半導体集積回路とその動作方法
EP2259520A1 (en) * 2009-06-02 2010-12-08 ST-Ericsson SA Process for computing a frequency offset for a UMTS communication system based on the CPICH pilot signals
JP5500203B2 (ja) * 2012-05-18 2014-05-21 住友電気工業株式会社 軟判定復号装置および軟判定復号プログラム
US9543997B2 (en) * 2014-01-21 2017-01-10 Infineon Technologies Ag System and method for a mixer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5719326A (en) * 1996-10-25 1998-02-17 Harris Corporation Reconfigurable filter system
US5896562A (en) * 1996-04-01 1999-04-20 Nokia Mobile Phones, Ltd. Transmitter/receiver for transmitting and receiving of an RF signal in two frequency bands
US6043727A (en) * 1998-05-15 2000-03-28 Hughes Electronics Corporation Reconfigurable millimeterwave filter using stubs and stub extensions selectively coupled using voltage actuated micro-electro-mechanical switches
US6130590A (en) * 1998-08-14 2000-10-10 Lucent Technologies Inc. Programmable filter bank having notch filter and bandpass filter frequency responses
US6185434B1 (en) * 1996-09-11 2001-02-06 Lk-Products Oy Antenna filtering arrangement for a dual mode radio communication device
US6215988B1 (en) * 1997-05-15 2001-04-10 Nokia Mobile Phones, Ltd. Dual band architectures for mobile stations
WO2002013473A1 (en) * 2000-08-04 2002-02-14 Motorola Inc. Apparatus for reducing dc offset in a receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI950106L (fi) * 1995-01-10 1996-07-11 Nokia Mobile Phones Ltd Menetelmä ja kytkentä häiriöiden suodattamiseksi radiolaitteen vastaanottimessa
FI112741B (fi) * 1998-11-26 2003-12-31 Nokia Corp Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5896562A (en) * 1996-04-01 1999-04-20 Nokia Mobile Phones, Ltd. Transmitter/receiver for transmitting and receiving of an RF signal in two frequency bands
US6185434B1 (en) * 1996-09-11 2001-02-06 Lk-Products Oy Antenna filtering arrangement for a dual mode radio communication device
US5719326A (en) * 1996-10-25 1998-02-17 Harris Corporation Reconfigurable filter system
US6215988B1 (en) * 1997-05-15 2001-04-10 Nokia Mobile Phones, Ltd. Dual band architectures for mobile stations
US6043727A (en) * 1998-05-15 2000-03-28 Hughes Electronics Corporation Reconfigurable millimeterwave filter using stubs and stub extensions selectively coupled using voltage actuated micro-electro-mechanical switches
US6130590A (en) * 1998-08-14 2000-10-10 Lucent Technologies Inc. Programmable filter bank having notch filter and bandpass filter frequency responses
WO2002013473A1 (en) * 2000-08-04 2002-02-14 Motorola Inc. Apparatus for reducing dc offset in a receiver

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
程佩青.数字信号处理教程 2.清华大学出版社,1995,110-111,142-153.
程佩青.数字信号处理教程 2.清华大学出版社,1995,110-111,142-153. *

Also Published As

Publication number Publication date
EP1476950A1 (en) 2004-11-17
JP2005518750A (ja) 2005-06-23
EP1476950B1 (en) 2008-08-13
JP4338526B2 (ja) 2009-10-07
WO2003073631A1 (en) 2003-09-04
CN1639990A (zh) 2005-07-13
EP1476950A4 (en) 2005-07-20

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: MEDIATEK INC.

Free format text: FORMER OWNER: ANALOG DEVICES INC.

Effective date: 20080404

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20080404

Address after: Hsinchu Science Industrial Park, Taiwan

Applicant after: MEDIATEK Inc.

Address before: Massachusetts, USA

Applicant before: ANALOG DEVICES, Inc.

C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20100915

CX01 Expiry of patent term