DE60220351D1 - Korrektur der Frequenzverschiebung bei WCDMA - Google Patents

Korrektur der Frequenzverschiebung bei WCDMA

Info

Publication number
DE60220351D1
DE60220351D1 DE60220351T DE60220351T DE60220351D1 DE 60220351 D1 DE60220351 D1 DE 60220351D1 DE 60220351 T DE60220351 T DE 60220351T DE 60220351 T DE60220351 T DE 60220351T DE 60220351 D1 DE60220351 D1 DE 60220351D1
Authority
DE
Germany
Prior art keywords
wcdma
correction
frequency shift
shift
frequency
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
DE60220351T
Other languages
English (en)
Other versions
DE60220351T2 (de
Inventor
Li Fung Chang
Baoguo Yang
Nelson Sollenberger
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.)
Broadcom Corp
Original Assignee
Broadcom Corp
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
Application filed by Broadcom Corp filed Critical Broadcom Corp
Application granted granted Critical
Publication of DE60220351D1 publication Critical patent/DE60220351D1/de
Publication of DE60220351T2 publication Critical patent/DE60220351T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/70735—Code identification
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0046—Open loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60220351T 2001-08-27 2002-08-27 Korrektur der Frequenzverschiebung bei WCDMA Expired - Lifetime DE60220351T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31537701P 2001-08-27 2001-08-27
US315377P 2001-08-27
US10/228,165 US7826493B2 (en) 2001-08-27 2002-08-26 Frequency offset correction circuit for WCDMA
US228165 2002-08-26

Publications (2)

Publication Number Publication Date
DE60220351D1 true DE60220351D1 (de) 2007-07-12
DE60220351T2 DE60220351T2 (de) 2008-01-24

Family

ID=26922113

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60220351T Expired - Lifetime DE60220351T2 (de) 2001-08-27 2002-08-27 Korrektur der Frequenzverschiebung bei WCDMA

Country Status (3)

Country Link
US (1) US7826493B2 (de)
EP (1) EP1289163B1 (de)
DE (1) DE60220351T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7894508B2 (en) * 2001-08-27 2011-02-22 Broadcom Corporation WCDMA terminal baseband processing module having cell searcher module
GB0124952D0 (en) * 2001-10-17 2001-12-05 Nokia Corp A receiver and a receiving method
DE10241692B8 (de) * 2002-09-09 2012-10-25 Intel Mobile Communications Technology GmbH Verfahren und Vorrichtung zum Synchronisieren eines Mobilfunkempfängers mit einer Basisstation bei paralleler Verifikation
US7643596B2 (en) * 2002-09-09 2010-01-05 Infineon Technologies Ag Method and device for synchronizing a mobile radio receiver with a base station involving parallel verification
CN1820437A (zh) * 2003-08-04 2006-08-16 汤姆森许可贸易公司 通用移动电话系统接收机中小区搜索期间的频率同步
EP1545019A1 (de) * 2003-12-19 2005-06-22 Telefonaktiebolaget LM Ericsson (publ) GPS-Empfänger mit Differentialkorrelation
US8401503B2 (en) * 2005-03-01 2013-03-19 Qualcomm Incorporated Dual-loop automatic frequency control for wireless communication
US8009775B2 (en) * 2005-03-11 2011-08-30 Qualcomm Incorporated Automatic frequency control for a wireless communication system with multiple subcarriers
KR100653181B1 (ko) 2005-12-07 2006-12-05 한국전자통신연구원 주파수 옵셋 보상 기능을 가지는 넌­코히런트 동기직접변환 수신 장치
KR100758873B1 (ko) * 2005-12-30 2007-09-19 포스데이타 주식회사 무선통신 시스템의 주파수 오프셋 추정 장치 및 방법
CN101192881A (zh) * 2006-11-30 2008-06-04 昂达博思公司 用于快速上行链路空中接口同步的系统和方法
US7885319B2 (en) * 2007-08-01 2011-02-08 Broadcom Corporation Multiple branch PSYNC detection module
JP5106970B2 (ja) * 2007-10-01 2012-12-26 株式会社エヌ・ティ・ティ・ドコモ ユーザ装置及びベリフィケーション方法
US7991043B2 (en) * 2008-06-17 2011-08-02 Freescale Semiconductor, Inc. Hybrid polyphase and joint time-frequency detection
US8265203B2 (en) * 2009-01-21 2012-09-11 Ntt Docomo, Inc. Method and system of differential complex and real multi-carrier demodulation
US8358604B2 (en) * 2009-12-23 2013-01-22 Qualcomm Incorporated Method and apparatus for facilitating cell detection using additional physical channels in a wireless communication system
US8902950B2 (en) * 2012-08-08 2014-12-02 Qualcomm Incorporated Apparatus and method for pilot estimation
US9369252B2 (en) * 2013-01-25 2016-06-14 Qualcomm Incorporated Common reference signal phase discontinuity and sequence initialization
US9210690B2 (en) 2013-08-08 2015-12-08 Blackberry Limited Method and system for initial synchronization and collision avoidance in device to device communications without network coverage
US9739140B2 (en) * 2014-09-05 2017-08-22 Merlin Technology, Inc. Communication protocol in directional drilling system, apparatus and method utilizing multi-bit data symbol transmission
US9900856B2 (en) * 2015-03-20 2018-02-20 Qualcomm Incorporated Method and apparatus for time or frequency synchronization in non-geosynchronous satellite communication systems
US10003453B1 (en) 2015-11-13 2018-06-19 Anritsu Company Phase synchronization of measuring instruments using free space transmission
US9860054B1 (en) * 2015-11-13 2018-01-02 Anritsu Company Real-time phase synchronization of a remote receiver with a measurement instrument
US10804952B2 (en) * 2016-04-11 2020-10-13 University Of Notre Dame Du Lac Enhanced cosite transmitter-receiver isolation
US10378338B2 (en) 2017-06-28 2019-08-13 Merlin Technology, Inc. Advanced passive interference management in directional drilling system, apparatus and methods
CN115549724A (zh) * 2022-09-22 2022-12-30 深圳市力合微电子股份有限公司 用于直接序列扩频信号的码片同步和频率估计方法和系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998035458A1 (en) * 1997-02-06 1998-08-13 At & T Wireless Services, Inc. Method of synchronizing a remote station with a base station in a discrete multitone spread spectrum communications system
US6134286A (en) * 1997-10-14 2000-10-17 Ericsson Inc. Synchronization techniques and systems for radiocommunication
US6266361B1 (en) * 1998-07-21 2001-07-24 Chung-Shan Institute Of Science And Technology Method and architecture for correcting carrier frequency offset and spreading code timing offset in a direct sequence spread spectrum communication system
WO2000033496A1 (en) * 1998-12-01 2000-06-08 Samsung Electronics Co., Ltd. Frequency synchronizing device for ofdm/cdma system
DE60045328D1 (de) 1999-03-22 2011-01-20 Texas Instruments Inc Mehrstufige pn-kode-erfassungschaltung und -verfahren
US6831929B1 (en) * 1999-03-22 2004-12-14 Texas Instruments Incorporated Multistage PN code aquisition circuit and method
US6363060B1 (en) 1999-06-30 2002-03-26 Qualcomm Incorporated Method and apparatus for fast WCDMA acquisition
TW518839B (en) * 2000-08-30 2003-01-21 Ind Tech Res Inst Method and device of code group identification and frame edge synchronization
DE10046575B4 (de) * 2000-09-20 2005-03-10 Siemens Ag Verfahren zur Frequenzakquisition, insbesondere zur Initialfrequenzakquisition, einer mobilen Kommunikationseinrichtung
JP2002118496A (ja) * 2000-10-06 2002-04-19 Hitachi Kokusai Electric Inc セルサーチ判定回路

Also Published As

Publication number Publication date
US20030043768A1 (en) 2003-03-06
EP1289163B1 (de) 2007-05-30
EP1289163A3 (de) 2003-05-28
DE60220351T2 (de) 2008-01-24
US7826493B2 (en) 2010-11-02
EP1289163A2 (de) 2003-03-05

Similar Documents

Publication Publication Date Title
DE60220351D1 (de) Korrektur der Frequenzverschiebung bei WCDMA
DE60236093D1 (de) Entfernbarer stent
DE50105476D1 (de) Stent
DE60234850D1 (de) Kühlschrank
DE60233377D1 (de) Pegelschieber
ITMI20022297A1 (it) Compressore alternativo
DE50112625D1 (de) Turbomaschine
NO20042569L (no) Vapen med integrert sikte
ATE329177T1 (de) Reibungsdämpfendes bein
DE60214367D1 (de) Härtbare zusammensetzung
DE60238924D1 (de) Abwälzfräser
MA26341A1 (fr) Stents
ITMI20012013A0 (it) Compressore
DE60204532D1 (de) Oszillatorschaltung
DE50100531D1 (de) Turbomaschine
DE60220874D1 (de) Magnetrongerät
DE50210286D1 (de) Schaltarm
FR2825122B1 (fr) Compresseur
DE60211737D1 (de) Hochfrequenz-heizvorrichtung
DE50106423D1 (de) Backofen
FR2822905B1 (fr) Compresseur alternatif
DE60138376D1 (de) Backofen
DE10290120D2 (de) Ausziehtisch
DE50208439D1 (de) Schaltarretierung
FR2825121B1 (fr) Compresseur

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOSCH JEHLE PATENTANWALTSGESELLSCHAFT MBH, 80639 M