DE69939310D1 - Vorrichtung zur frequenzsynchronisierung eines ofdm/cdma systems - Google Patents

Vorrichtung zur frequenzsynchronisierung eines ofdm/cdma systems

Info

Publication number
DE69939310D1
DE69939310D1 DE69939310T DE69939310T DE69939310D1 DE 69939310 D1 DE69939310 D1 DE 69939310D1 DE 69939310 T DE69939310 T DE 69939310T DE 69939310 T DE69939310 T DE 69939310T DE 69939310 D1 DE69939310 D1 DE 69939310D1
Authority
DE
Germany
Prior art keywords
ofdm
cdma system
frequency synchronization
synchronization
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
DE69939310T
Other languages
English (en)
Inventor
Hyun-Kyu Lee
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of DE69939310D1 publication Critical patent/DE69939310D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/023Multiplexing of multicarrier modulation signals
    • H04L5/026Multiplexing of multicarrier modulation signals using code division
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • H04L27/2659Coarse or integer frequency offset determination and synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • H04L27/266Fine or fractional frequency offset determination and synchronisation
DE69939310T 1998-12-01 1999-12-01 Vorrichtung zur frequenzsynchronisierung eines ofdm/cdma systems Expired - Lifetime DE69939310D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR19980052234 1998-12-01
PCT/KR1999/000726 WO2000033496A1 (en) 1998-12-01 1999-12-01 Frequency synchronizing device for ofdm/cdma system

Publications (1)

Publication Number Publication Date
DE69939310D1 true DE69939310D1 (de) 2008-09-25

Family

ID=19560741

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69939310T Expired - Lifetime DE69939310D1 (de) 1998-12-01 1999-12-01 Vorrichtung zur frequenzsynchronisierung eines ofdm/cdma systems

Country Status (5)

Country Link
US (1) US6373861B1 (de)
EP (1) EP1051818B1 (de)
JP (1) JP3428965B2 (de)
DE (1) DE69939310D1 (de)
WO (1) WO2000033496A1 (de)

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US7826493B2 (en) * 2001-08-27 2010-11-02 Broadcom Corp. Frequency offset correction circuit for WCDMA
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KR100807886B1 (ko) * 2001-09-24 2008-02-27 에스케이 텔레콤주식회사 직교 주파수 분할 다중화 시스템의 수신 장치
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US20050276311A1 (en) * 2002-06-25 2005-12-15 Koninklijke Philips Electronics N.V. Mt-cdma using spreading codes with interference-free windows
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CN100579309C (zh) * 2002-08-23 2010-01-06 松下电器产业株式会社 Ofdm-cdma发送装置和ofdm-cdma发送方法
US7280464B1 (en) * 2002-09-27 2007-10-09 Rockwell Collins, Inc. Featureless synchronization in multi-user OFDM
US7889819B2 (en) * 2002-10-04 2011-02-15 Apurva Mody Methods and systems for sampling frequency offset detection, correction and control for MIMO OFDM systems
KR100470401B1 (ko) * 2002-12-24 2005-02-05 한국전자통신연구원 그룹화 최유도 검출을 이용한 무선 통신 시스템 및 방법
US7684501B2 (en) * 2003-02-19 2010-03-23 Realtek Semiconductor Corp. Apparatus and method for carrier frequency offset and phase compensation in communication system
KR100528332B1 (ko) * 2003-03-15 2006-01-09 삼성전자주식회사 Ofdm 시스템에서의 초기 주파수 동기 방법 및 장치
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US7224754B2 (en) * 2003-06-02 2007-05-29 Silicon Integrated Systems Corp. Frequency offset compensation estimation system and method for a wireless local area network
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US7277457B2 (en) * 2003-10-03 2007-10-02 Motorola, Inc. Sync bursts for frequency offset compensation
KR100590354B1 (ko) * 2003-12-15 2006-06-15 삼성탈레스 주식회사 Ofdm 시스템에서의 잔류 주파수 오프셋 보상 방법 및장치
KR100601939B1 (ko) * 2004-01-16 2006-07-14 삼성전자주식회사 Ofdm 시스템에서의 초기 주파수 동기 방법 및 장치
US7515657B1 (en) * 2004-03-05 2009-04-07 Marvell International Ltd. Frequency tracking for OFDM transmission over frequency selective channels
JP4583374B2 (ja) * 2004-04-14 2010-11-17 パナソニック株式会社 受信装置
US7336732B1 (en) * 2004-07-28 2008-02-26 L-3 Communications Titan Corporation Carrier frequency detection for signal acquisition
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
US7272756B2 (en) * 2005-05-03 2007-09-18 Agere Systems Inc. Exploitive test pattern apparatus and method
US7447965B2 (en) * 2005-05-03 2008-11-04 Agere Systems Inc. Offset test pattern apparatus and method
JP4775703B2 (ja) * 2005-10-05 2011-09-21 カシオ計算機株式会社 無線テレビシステム、無線テレビ受信装置及び送信装置
KR101259100B1 (ko) 2005-11-04 2013-04-26 엘지전자 주식회사 Ofdm 또는 ofdma 무선 이동통신 시스템에서의초기 동기를 위한 신호 전송 방법, 초기 동기 획득 방법 및이동통신용 단말
JP2007181016A (ja) * 2005-12-28 2007-07-12 Oki Electric Ind Co Ltd 判定タイミング同期回路及び受信回路
KR20070095135A (ko) * 2006-03-20 2007-09-28 삼성전자주식회사 직교 분할 다중 접속 시스템에서 부반송파 간의 간섭을줄여주는 상향 링크 수신 장치 및 그 제어방법
KR20070095138A (ko) 2006-03-20 2007-09-28 삼성전자주식회사 직교분할 다중접속 시스템에서 순차적 간섭 제거 방식을이용한 상향 링크 신호 수신 장치 및 방법
TW200913592A (en) * 2007-05-25 2009-03-16 Amicus Wireless Technology Ltd OFDM-based device and method for performing synchronization in the presence of interference signals
US7978749B2 (en) * 2007-07-13 2011-07-12 Crestcom, Inc. Bandjamming multi-channel DSSS transmitter and method therefor
US8351519B2 (en) * 2008-08-15 2013-01-08 Qualcomm Incorporated Embedding information in an 802.11 signal field
US20100046656A1 (en) * 2008-08-20 2010-02-25 Qualcomm Incorporated Preamble extensions
US20100290449A1 (en) 2008-08-20 2010-11-18 Qualcomm Incorporated Preamble extensions
KR101038855B1 (ko) * 2008-12-04 2011-06-02 성균관대학교산학협력단 Ofdm 시스템에서의 주파수 동기 장치 및 방법
US8238479B2 (en) * 2009-03-13 2012-08-07 Advanced Micro Devices, Inc. Synchronization and acquisition for mobile television reception
US8576743B2 (en) * 2010-12-28 2013-11-05 Qualcomm Incorporated Apparatus and methods for estimating an unknown frequency error of a tone signal
US9848397B2 (en) 2012-11-04 2017-12-19 Lg Electronics Inc. Synchronizing signal receiving method and user equipment, and synchronizing signal transmitting method and base station
TW201611553A (zh) * 2014-09-09 2016-03-16 聯詠科技股份有限公司 偵測正交分頻多工信號的保護間隔的裝置及其偵測方法
EP3387754B1 (de) * 2015-12-07 2021-05-12 Telefonaktiebolaget LM Ericsson (publ) Drahtloskommunikationsvorrichtung und verfahren darin zur zeitsynchronisation in einem drahtloskommunikationsnetzwerk
KR101935991B1 (ko) * 2017-02-14 2019-01-07 국방과학연구소 단일 수신기의 고정밀 주파수 추정 장치 및 그 방법

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Also Published As

Publication number Publication date
JP3428965B2 (ja) 2003-07-22
WO2000033496A1 (en) 2000-06-08
EP1051818B1 (de) 2008-08-13
JP2002531999A (ja) 2002-09-24
US6373861B1 (en) 2002-04-16
EP1051818A1 (de) 2000-11-15

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