WO2005074222A1 - Systems and methods for frequency acquisition in a wireless communication network - Google Patents

Systems and methods for frequency acquisition in a wireless communication network Download PDF

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Publication number
WO2005074222A1
WO2005074222A1 PCT/US2005/002306 US2005002306W WO2005074222A1 WO 2005074222 A1 WO2005074222 A1 WO 2005074222A1 US 2005002306 W US2005002306 W US 2005002306W WO 2005074222 A1 WO2005074222 A1 WO 2005074222A1
Authority
WO
WIPO (PCT)
Prior art keywords
frequency offset
input samples
pilot
frequency
compensating
Prior art date
Application number
PCT/US2005/002306
Other languages
English (en)
French (fr)
Inventor
Alok K. Gupta
Fuyun Ling
Original Assignee
Qualcomm Incorporated
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 US11/020,413 external-priority patent/US8433005B2/en
Application filed by Qualcomm Incorporated filed Critical Qualcomm Incorporated
Priority to JP2006551397A priority Critical patent/JP2007528643A/ja
Priority to EP05706080A priority patent/EP1712052A1/en
Priority to CA002554406A priority patent/CA2554406A1/en
Priority to CNA2005800099181A priority patent/CN1998210A/zh
Priority to KR1020067017390A priority patent/KR100886817B1/ko
Publication of WO2005074222A1 publication Critical patent/WO2005074222A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
PCT/US2005/002306 2004-01-28 2005-01-24 Systems and methods for frequency acquisition in a wireless communication network WO2005074222A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2006551397A JP2007528643A (ja) 2004-01-28 2005-01-24 無線通信ネットワークにおける周波数取得のための装置及び方法
EP05706080A EP1712052A1 (en) 2004-01-28 2005-01-24 Systems and methods for frequency acquisition in a wireless communication network
CA002554406A CA2554406A1 (en) 2004-01-28 2005-01-24 Systems and methods for frequency acquisition in a wireless communication network
CNA2005800099181A CN1998210A (zh) 2004-01-28 2005-01-24 用于在无线通信网络中进行频率捕获的系统和方法
KR1020067017390A KR100886817B1 (ko) 2004-01-28 2005-01-24 무선 통신망에서의 주파수 취득 시스템 및 방법

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US54008904P 2004-01-28 2004-01-28
US53994104P 2004-01-28 2004-01-28
US60/539,941 2004-01-28
US60/540,089 2004-01-28
US11/, 2004-12-22
US11/020,413 US8433005B2 (en) 2004-01-28 2004-12-22 Frame synchronization and initial symbol timing acquisition system and method

Publications (1)

Publication Number Publication Date
WO2005074222A1 true WO2005074222A1 (en) 2005-08-11

Family

ID=34831027

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/002306 WO2005074222A1 (en) 2004-01-28 2005-01-24 Systems and methods for frequency acquisition in a wireless communication network

Country Status (4)

Country Link
EP (1) EP1712052A1 (zh)
KR (1) KR100886817B1 (zh)
CN (1) CN1998210A (zh)
WO (1) WO2005074222A1 (zh)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100352243C (zh) * 2005-08-19 2007-11-28 中兴通讯股份有限公司 时分同步码分多址系统多载波高速下行分组接入实现方法
WO2007146952A2 (en) 2006-06-13 2007-12-21 Qualcomm Incorporated Preamble structure and acquisition for a wireless communication system
US8027372B2 (en) 2004-06-18 2011-09-27 Qualcomm Incorporated Signal acquisition in a wireless communication system
CN101467413B (zh) * 2006-06-13 2013-08-21 高通股份有限公司 用于在无线通信系统中发送和接收导频的方法和装置
CN101989907B (zh) * 2009-07-31 2014-04-23 王知康 互联网时钟同步装置及方法
US8738056B2 (en) 2006-05-22 2014-05-27 Qualcomm Incorporation Signal acquisition in a wireless communication system
US8929353B2 (en) 2007-05-09 2015-01-06 Qualcomm Incorporated Preamble structure and acquisition for a wireless communication system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103259570A (zh) * 2012-02-15 2013-08-21 重庆金美通信有限责任公司 一种改进的大多普勒频移下的频偏补偿技术
CN104702554B (zh) * 2013-12-09 2017-12-15 瑞昱半导体股份有限公司 载波频率偏移校正方法
EP3195544A1 (en) * 2014-09-18 2017-07-26 Telefonaktiebolaget LM Ericsson (publ) Frequency estimation
KR102477037B1 (ko) * 2017-12-01 2022-12-14 엘지전자 주식회사 무선 통신 시스템에서 채널 추정을 위한 방법 및 이를 위한 장치
CN110536405B (zh) * 2018-05-25 2021-08-03 华为技术有限公司 一种同步方法及接入点

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020145971A1 (en) * 2001-02-08 2002-10-10 Yong Soo Cho Apparatus and method for synchronizing frequency in orthogonal frequency division multiplexing communication system
WO2003028270A1 (en) * 2001-09-24 2003-04-03 Atheros Communications, Inc. Post-fft scaling to reduce multiple effects and fine frequency offset estimation
US20040005018A1 (en) * 2002-07-03 2004-01-08 Oki Techno Centre (Singapore) Pte Ltd Receiver and method for WLAN burst type signals
WO2004049618A1 (en) * 2002-11-26 2004-06-10 Electronics And Telecommunications Research Institute Method and apparatus for embodying and synchronizing downlink signal in mobile communication system and method for searching cell using the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020145971A1 (en) * 2001-02-08 2002-10-10 Yong Soo Cho Apparatus and method for synchronizing frequency in orthogonal frequency division multiplexing communication system
WO2003028270A1 (en) * 2001-09-24 2003-04-03 Atheros Communications, Inc. Post-fft scaling to reduce multiple effects and fine frequency offset estimation
US20040005018A1 (en) * 2002-07-03 2004-01-08 Oki Techno Centre (Singapore) Pte Ltd Receiver and method for WLAN burst type signals
WO2004049618A1 (en) * 2002-11-26 2004-06-10 Electronics And Telecommunications Research Institute Method and apparatus for embodying and synchronizing downlink signal in mobile communication system and method for searching cell using the same

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8027372B2 (en) 2004-06-18 2011-09-27 Qualcomm Incorporated Signal acquisition in a wireless communication system
US8068530B2 (en) 2004-06-18 2011-11-29 Qualcomm Incorporated Signal acquisition in a wireless communication system
CN100352243C (zh) * 2005-08-19 2007-11-28 中兴通讯股份有限公司 时分同步码分多址系统多载波高速下行分组接入实现方法
US8738056B2 (en) 2006-05-22 2014-05-27 Qualcomm Incorporation Signal acquisition in a wireless communication system
TWI385989B (zh) * 2006-06-13 2013-02-11 Qualcomm Inc 用於無線通訊系統之前言結構及擷取
AU2007257676B2 (en) * 2006-06-13 2010-09-30 Qualcomm Incorporated Preamble structure and acquisition for a wireless communication system
WO2007146952A3 (en) * 2006-06-13 2008-02-28 Qualcomm Inc Preamble structure and acquisition for a wireless communication system
CN101467413B (zh) * 2006-06-13 2013-08-21 高通股份有限公司 用于在无线通信系统中发送和接收导频的方法和装置
US8676209B2 (en) 2006-06-13 2014-03-18 Qualcomm Incorporated Handoff selection for wireless communication systems
WO2007146952A2 (en) 2006-06-13 2007-12-21 Qualcomm Incorporated Preamble structure and acquisition for a wireless communication system
US8929353B2 (en) 2007-05-09 2015-01-06 Qualcomm Incorporated Preamble structure and acquisition for a wireless communication system
US9204379B2 (en) 2007-05-09 2015-12-01 Qualcomm Incorporated Preamble structure and acquisition for a wireless communication system
CN101989907B (zh) * 2009-07-31 2014-04-23 王知康 互联网时钟同步装置及方法

Also Published As

Publication number Publication date
EP1712052A1 (en) 2006-10-18
CN1998210A (zh) 2007-07-11
KR20060126798A (ko) 2006-12-08
KR100886817B1 (ko) 2009-03-05

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