TW200715773A - Receiver for wireless communication network with extended range - Google Patents

Receiver for wireless communication network with extended range

Info

Publication number
TW200715773A
TW200715773A TW095119417A TW95119417A TW200715773A TW 200715773 A TW200715773 A TW 200715773A TW 095119417 A TW095119417 A TW 095119417A TW 95119417 A TW95119417 A TW 95119417A TW 200715773 A TW200715773 A TW 200715773A
Authority
TW
Taiwan
Prior art keywords
stage
samples
signal
timing
corrected
Prior art date
Application number
TW095119417A
Other languages
English (en)
Other versions
TWI352531B (en
Inventor
Jay Rodney Walton
Mark S Wallace
Original Assignee
Qualcomm 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37482190&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW200715773(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200715773A publication Critical patent/TW200715773A/zh
Application granted granted Critical
Publication of TWI352531B publication Critical patent/TWI352531B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • 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
    • 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
    • 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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0216—Channel estimation of impulse response with estimation of channel length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0038—Correction of carrier offset using an equaliser
    • 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
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0097—Adaptive synchronisation signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Transmission System (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
TW095119417A 2005-06-01 2006-06-01 Apparatus,method and computer program product for TWI352531B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US68664505P 2005-06-01 2005-06-01
US69170605P 2005-06-16 2005-06-16
US11/224,916 US7684473B2 (en) 2005-06-01 2005-09-12 Receiver for wireless communication network with extended range

Publications (2)

Publication Number Publication Date
TW200715773A true TW200715773A (en) 2007-04-16
TWI352531B TWI352531B (en) 2011-11-11

Family

ID=37482190

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095119417A TWI352531B (en) 2005-06-01 2006-06-01 Apparatus,method and computer program product for
TW098145707A TWI448115B (zh) 2005-06-01 2006-06-01 用於執行訊號偵測之方法、裝置、及電腦程式產品

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW098145707A TWI448115B (zh) 2005-06-01 2006-06-01 用於執行訊號偵測之方法、裝置、及電腦程式產品

Country Status (11)

Country Link
US (3) US7684473B2 (zh)
EP (3) EP2582056B1 (zh)
JP (3) JP4814321B2 (zh)
KR (2) KR100931925B1 (zh)
CN (3) CN101238642B (zh)
BR (1) BRPI0611319A2 (zh)
CA (1) CA2609423C (zh)
ES (1) ES2539014T3 (zh)
SG (2) SG162737A1 (zh)
TW (2) TWI352531B (zh)
WO (1) WO2006130502A2 (zh)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030125045A1 (en) * 2001-12-27 2003-07-03 Riley Wyatt Thomas Creating and using base station almanac information in a wireless communication system having a position location capability
US7346129B2 (en) * 2004-02-25 2008-03-18 Broadcom Corporation Payload based channel estimation of a wireless channel
US9137771B2 (en) * 2004-04-02 2015-09-15 Qualcomm Incorporated Methods and apparatuses for beacon assisted position determination systems
DE102006006266A1 (de) * 2005-02-13 2006-08-24 Lindenmeier, Heinz, Prof. Dr. Ing. Anlage zum Empfang von digital modulierten Funksignalen zu einem Fahrzeug unter Verwendung von Antennendiversity
US7684473B2 (en) * 2005-06-01 2010-03-23 Qualcomm Incorporated Receiver for wireless communication network with extended range
US8583995B2 (en) * 2005-11-16 2013-11-12 Qualcomm Incorporated Multi-mode processor
US8910027B2 (en) * 2005-11-16 2014-12-09 Qualcomm Incorporated Golay-code generation
US8429502B2 (en) * 2005-11-16 2013-04-23 Qualcomm Incorporated Frame format for millimeter-wave systems
US8189621B2 (en) 2006-05-12 2012-05-29 Microsoft Corporation Stack signaling to application with lack of requested bandwidth
AU2007304830B2 (en) * 2006-10-05 2012-09-06 Cohda Wireless Pty Ltd Improving receiver performance in a communication network
US8396151B2 (en) * 2006-10-19 2013-03-12 Qualcomm Incorporated Timing tracking in a multiple receive antenna system
JP4388943B2 (ja) * 2006-10-23 2009-12-24 Ｏｋｉセミコンダクタ株式会社 相関器
US7929624B2 (en) * 2006-10-26 2011-04-19 Telefonaktiebolaget L M Ericsson (Publ) Cell ID detection in cellular communication systems
US20080107222A1 (en) * 2006-11-06 2008-05-08 L3 Communications Integrated Systems, L.P. System and method for signal phase correction
US8005116B2 (en) * 2006-11-16 2011-08-23 Cisco Technology, Inc. System and method for mitigating the effects of bit insertion in a communications environment
US20080118012A1 (en) * 2006-11-22 2008-05-22 Motorola, Inc. Method and apparatus for interference cancellation in a wireless communication system
KR100943169B1 (ko) * 2006-12-04 2010-02-19 한국전자통신연구원 통신시스템에서 프레임 동기 및 주파수 동기를 동시에획득하는 장치 및 그 방법
US8144793B2 (en) 2006-12-12 2012-03-27 Microsoft Corporation Cognitive multi-user OFDMA
US7970085B2 (en) 2007-05-08 2011-06-28 Microsoft Corporation OFDM transmission and reception for non-OFDMA signals
US8411805B1 (en) 2007-08-14 2013-04-02 Marvell International Ltd. Joint estimation of channel and preamble sequence for orthogonal frequency division multiplexing systems
US8856628B2 (en) * 2007-10-10 2014-10-07 Qualcomm Incorporated Method and apparatus for generation and usage of extended golay codes
US8472497B2 (en) * 2007-10-10 2013-06-25 Qualcomm Incorporated Millimeter wave beaconing with directional antennas
US8340217B1 (en) * 2007-10-23 2012-12-25 Qualcomm Incorporated Configurable search engine start/stop mechanism provides flexible ranges of search for GPS C/A code
US8068562B1 (en) * 2007-10-29 2011-11-29 Qualcomm Atheros, Inc. Signal processing for multiple chains including barker code correlation and auto-correlation
US8374130B2 (en) 2008-01-25 2013-02-12 Microsoft Corporation Orthogonal frequency division multiple access with carrier sense
EP2101459B1 (en) * 2008-03-12 2011-06-08 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Method and apparatus for investigating whether a given signal is received in a given set of OFDMA resource elements
US8315341B2 (en) 2008-06-06 2012-11-20 Maxim Integrated Products, Inc. Soft repetition code combiner using channel state information
US8149967B2 (en) 2008-06-06 2012-04-03 Maxim Integrated Products, Inc. Combined dual feed-forward and feedback analog and digital automatic gain control for broadband communication
US8472576B2 (en) 2008-06-06 2013-06-25 Maxim Integrated Products, Inc. Jammer canceller for power-line communication
US8276025B2 (en) 2008-06-06 2012-09-25 Maxim Integrated Products, Inc. Block interleaving scheme with configurable size to achieve time and frequency diversity
US8284825B2 (en) 2008-06-06 2012-10-09 Maxim Integrated Products, Inc. Blind channel quality estimator
US8315152B2 (en) 2008-06-06 2012-11-20 Maxim Integrated Products, Inc. System and method for applying multi-tone OFDM based communications within a prescribed frequency range
US8165172B2 (en) * 2008-06-06 2012-04-24 Maxim Integrated Products, Inc. Robust wideband symbol and frame synchronizer for power-line communication
US8139614B2 (en) 2008-06-06 2012-03-20 Maxim Integrated Products, Inc. Robust narrowband symbol and frame synchronizer for power-line communication
US8149929B2 (en) * 2008-06-17 2012-04-03 Telefonaktiebolaget L M Ericsson (Publ) Receiver and method for processing radio signals using soft pilot symbols
US7991043B2 (en) * 2008-06-17 2011-08-02 Freescale Semiconductor, Inc. Hybrid polyphase and joint time-frequency detection
US8442164B2 (en) * 2008-08-14 2013-05-14 Nxp B.V. Correlation peak location
US8478228B2 (en) * 2008-10-20 2013-07-02 Qualcomm Incorporated Mobile receiver with location services capability
US8369351B2 (en) * 2009-04-06 2013-02-05 Intel Corporation Method and apparatus for collision avoidance
KR101004101B1 (ko) 2009-04-16 2010-12-27 중앙대학교 산학협력단 Ｉｅｅｅ 802.15.4 ｌｒ-ｗｐａｎ ｂｐｓｋ 수신기를 위한 비동기 검파 장치 및 방법
GB2470758B (en) * 2009-06-03 2014-08-20 Sony Corp Data processing apparatus and method
US8320233B2 (en) 2009-06-12 2012-11-27 Maxim Integrated Products, Inc. Transmitter and method for applying multi-tone OFDM based communications within a lower frequency range
US8600297B2 (en) 2009-07-28 2013-12-03 Qualcomm Incorporated Method and system for femto cell self-timing and self-locating
EP2290870B1 (en) * 2009-09-01 2012-12-05 EPFL Ecole Polytechnique Fédérale de Lausanne Method for estimating and correcting a drift between clocks of a receiving transceiver and a corresponding emitting transceiver, and receiver for implementing said method
EP2296332A1 (en) * 2009-09-10 2011-03-16 ST-Ericsson (France) SAS Low complexity primary synchronization signal detection with coarse frequency offset estimation for LTE wireless communication system.
TWI385987B (zh) * 2009-10-06 2013-02-11 Uniband Electronic Corp 多階估算及補償頻率偏移量之方法及其電路
US8744019B2 (en) * 2010-02-04 2014-06-03 Panasonic Corporation Delay detector circuit and receiver apparatus
CN102763390B (zh) * 2010-02-04 2015-01-21 松下电器产业株式会社 延迟检波电路以及接收装置
WO2011129734A1 (en) 2010-04-12 2011-10-20 Telefonaktiebolaget L M Ericsson (Publ) A method and apparatus for reference signal muting detection in a wireless communication network
CN102714648B (zh) * 2010-07-09 2015-07-15 联发科技（新加坡）私人有限公司 无线局域网设备及其传送、接收方法
WO2012040471A2 (en) * 2010-09-22 2012-03-29 Xw Llc Dba Xtendwave Low power radio controlled clock incorporating independent timing corrections
US8744026B2 (en) 2010-10-13 2014-06-03 Telefonakktiebolaget Lm Ericsson (Publ) Method and apparatus for interference suppression using a reduced-complexity joint detection
CN102158439B (zh) * 2010-12-15 2014-02-19 上海华为技术有限公司 一种相干检测方法及装置
CN102163977B (zh) * 2011-03-14 2014-04-02 中国电子科技集团公司第二十四研究所 减小输出信号时域不连续的dds调制系统
US8270465B1 (en) * 2011-11-15 2012-09-18 Xw Llc Timing and time information extraction from a phase modulated signal in a radio controlled clock receiver
US9544083B2 (en) * 2011-11-21 2017-01-10 Broadcom Corporation Secondary synchronization signal detection with interference cancelation for LTE
US8693582B2 (en) 2012-03-05 2014-04-08 Xw Llc Multi-antenna receiver in a radio controlled clock
US9294868B2 (en) 2012-12-13 2016-03-22 Industrial Technology Research Institute Device, method and system for communicating data
US9871683B2 (en) 2013-05-07 2018-01-16 Lg Electronics Inc. Method and device for transmitting data unit
US9124388B2 (en) 2013-05-14 2015-09-01 St-Ericsson Sa Cellular communication system computation of RSRP in the presence of large frequency errors
CN105122752B (zh) * 2014-04-08 2018-10-19 华为技术有限公司 估计频率偏移的设备及其方法
US9608844B2 (en) * 2014-05-27 2017-03-28 Nxp B.V. System and method for performing channel estimation on an OFDM signal
KR101881404B1 (ko) * 2016-10-12 2018-07-24 한국해양대학교 산학협력단 차동 위상 변조 방식 수중 음향 통신 시스템의 상관 폭 기반 수신장치 및 수신방법
CN113890670A (zh) 2017-02-03 2022-01-04 Idac控股公司 广播信道传输和解调
WO2018165110A1 (en) 2017-03-07 2018-09-13 Ohio State Innovation Foundation Data delivery using acoustic transmissions
EP3611891B1 (en) * 2017-04-12 2022-05-04 Sony Semiconductor Solutions Corporation Signal processing device and method
WO2019132391A1 (ko) * 2017-12-28 2019-07-04 엘지전자 주식회사 무선랜 시스템에서 nbt 방식을 이용해 stf 신호를 생성하는 방법 및 장치
WO2019160454A1 (en) * 2018-02-13 2019-08-22 Telefonaktiebolaget Lm Ericsson (Publ) Reducing effects of channel filter frequency drift
WO2019159358A1 (ja) * 2018-02-19 2019-08-22 株式会社日立国際電気 無線通信装置および無線通信装置の周波数オフセット補償方法
CN109361480B (zh) * 2018-09-28 2021-03-05 西南电子技术研究所（中国电子科技集团公司第十研究所） 自动化扩频捕获性能测试电路
CN109698712B (zh) * 2018-12-28 2020-11-27 长沙天仪空间科技研究院有限公司 窄带卫星通信系统
US10778482B2 (en) 2019-02-12 2020-09-15 Texas Instruments Incorporated Bit slicer circuit for S-FSK receiver, integrated circuit, and method associated therewith
KR102602449B1 (ko) * 2021-10-07 2023-11-14 국방과학연구소 상향 링크 위성 통신의 비직교 다중 접속 시스템에서 신호 재생성을 이용한 간섭 제거 장치, 방법, 컴퓨터 판독 가능한 기록 매체 및 컴퓨터 프로그램
CN115514390B (zh) * 2022-07-21 2023-12-12 飞芯智控(成都)科技有限公司 高速跳频系统帧结构的生成方法、装置及存储介质

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US85946A (en) * 1869-01-19 Improved carriage-curtatef button
US72354A (en) * 1867-12-17 John zimmerman
US211790A (en) * 1879-01-28 Improvement in saw-mill dogs
US45001A (en) * 1864-11-08 Improved process for the manufacture of good-flavored spirits and neutral alcohol
US239233A (en) * 1881-03-22 finster
US102258A (en) * 1870-04-26 Improvement in gas-heaters
US264607A (en) * 1882-09-19 Log-chute
SU1683181A1 (ru) 1989-10-12 1991-10-07 Центральный Научно-Исследовательский Институт Связи Цифровой приемник дельта-модулированных сигналов многочастотных кодов
JP3074103B2 (ja) 1993-11-16 2000-08-07 株式会社東芝 Ｏｆｄｍ同期復調回路
US5619524A (en) * 1994-10-04 1997-04-08 Motorola, Inc. Method and apparatus for coherent communication reception in a spread-spectrum communication system
DE4441566A1 (de) * 1994-11-23 1996-05-30 Bosch Gmbh Robert Verfahren zur digitalen Frequenzkorrektur bei Mehrträgerübertragungsverfahren
US5729570A (en) * 1994-12-08 1998-03-17 Stanford Telecommunications, Inc. Orthogonal code division multiple access communication system having multicarrier modulation
US6275543B1 (en) * 1996-10-11 2001-08-14 Arraycomm, Inc. Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
US6097770A (en) * 1996-10-31 2000-08-01 Lucent Technologies Inc. Frequency offset estimation for wireless systems based on channel impulse response
GB2319935B (en) * 1996-11-29 2001-10-24 Daewoo Electronics Co Ltd Apparatus for correcting frequency offset in ofdm receiving system
GB2325127B (en) 1997-05-02 2002-06-19 Lsi Logic Corp Demodulating digital video broadcast signals
US6456644B1 (en) * 1997-06-23 2002-09-24 Cellnet Data Systems, Inc. Bandpass correlation of a spread spectrum signal
US6618452B1 (en) * 1998-06-08 2003-09-09 Telefonaktiebolaget Lm Ericsson (Publ) Burst carrier frequency synchronization and iterative frequency-domain frame synchronization for OFDM
US6393257B1 (en) * 1999-04-29 2002-05-21 Qualcomm Incorporated Wireless communications receiver and decoder for receiving encoded transmissions, such as transmissions using turbo codes, and estimating channel conditions
US6765969B1 (en) 1999-09-01 2004-07-20 Motorola, Inc. Method and device for multi-user channel estimation
JP3296341B2 (ja) 1999-09-20 2002-06-24 日本電気株式会社 相関器
JP3399420B2 (ja) * 1999-11-01 2003-04-21 日本電気株式会社 固定パターン検出装置
US7406261B2 (en) * 1999-11-02 2008-07-29 Lot 41 Acquisition Foundation, Llc Unified multi-carrier framework for multiple-access technologies
JP3638107B2 (ja) * 1999-12-09 2005-04-13 Ｋｄｄｉ株式会社 スペクトル拡散信号復調装置
US6613971B1 (en) * 2000-04-12 2003-09-02 David J. Carpenter Electronic tuning system and methods of using same
FI20001289A (fi) 2000-05-30 2001-12-01 Nokia Mobile Phones Ltd Menetelmä ja järjestely taajuuspoikkeaman vähentämiseksi radiovastaanottimessa
JP3497480B2 (ja) * 2000-09-04 2004-02-16 松下電器産業株式会社 位相回転検出装置及びそれを備えた無線基地局装置
CA2361247C (en) 2000-11-06 2008-10-07 Ntt Docomo, Inc. Transmitter, transmitting method, receiver, and receiving method for mc-cdma communication system
US7103090B2 (en) 2001-08-13 2006-09-05 Mediatek Inc. Timing estimation of direct sequence spread spectrum communications systems over frequency-selective, slowly fading channels
US7161987B2 (en) * 2001-09-26 2007-01-09 Conexant, Inc. Single-carrier to multi-carrier wireless architecture
JP3694479B2 (ja) * 2001-12-07 2005-09-14 松下電器産業株式会社 マルチキャリア送受信装置、マルチキャリア無線通信方法、およびマルチキャリア無線通信用プログラム
JP2003244026A (ja) * 2002-02-15 2003-08-29 Hitachi Kokusai Electric Inc 同期追従回路
US7409057B1 (en) * 2002-07-03 2008-08-05 Marvell International Ltd. Nonlinear echo compensator for class B transmitter line driver
SG111072A1 (en) * 2002-07-03 2005-05-30 Oki Techno Ct Singapore Pte Receiver and method for wlan burst type signals
RU2242088C2 (ru) 2002-12-15 2004-12-10 Гармонов Александр Васильевич Способ приема многолучевого сигнала, способ уточнения числа и временных задержек компонент многолучевого сигнала и приемник многолучевого сигнала
CN1846415B (zh) 2003-03-28 2010-08-04 英特尔公司 用于ofdm信号的两信道频偏估计的系统和方法
US7177297B2 (en) * 2003-05-12 2007-02-13 Qualcomm Incorporated Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
SE0301823D0 (sv) 2003-06-24 2003-06-24 Infineon Technologies Ag Improved detection
WO2004114537A1 (en) 2003-06-25 2004-12-29 Koninklijke Philips Electronics N.V. Barker code detector
US8138972B2 (en) 2003-09-02 2012-03-20 Csr Technology Inc. Signal processing system for satellite positioning signals
DE10341107B3 (de) * 2003-09-05 2005-05-19 Infineon Technologies Ag Verfahren und Empfangseinheit zur Kompensation eines Frequenzversatzes und/oder einer zeitlichen Änderung der Phase eines Übertragungskanals durch empfängerseitiges Auswerten von Randsymbolen eines empfangenen Datenbursts
US7362802B2 (en) * 2003-09-12 2008-04-22 Zarbana Digital Fund Llc Frequency domain equalizer for wireless commuications system
US7852746B2 (en) 2004-08-25 2010-12-14 Qualcomm Incorporated Transmission of signaling in an OFDM-based system
US7436878B1 (en) * 2005-05-24 2008-10-14 L-3 Communications Corporation Method and apparatus for efficient carrier bin search for a composite spreading code
US7684473B2 (en) * 2005-06-01 2010-03-23 Qualcomm Incorporated Receiver for wireless communication network with extended range
US7684467B2 (en) * 2005-10-28 2010-03-23 Silicon Laboratories Inc. Performing blind scanning in a receiver
US7602834B1 (en) * 2006-09-28 2009-10-13 L-3 Communications, Corp. System and method for determining a fine frequency offset of a received signal

Also Published As

Publication number Publication date
TW201018152A (en) 2010-05-01
CN101238642A (zh) 2008-08-06
US9755785B2 (en) 2017-09-05
EP1889372A4 (en) 2011-07-27
US20060274820A1 (en) 2006-12-07
CN101238642B (zh) 2013-04-17
JP2008546312A (ja) 2008-12-18
TWI352531B (en) 2011-11-11
US7684473B2 (en) 2010-03-23
US20090122927A1 (en) 2009-05-14
CN102185674A (zh) 2011-09-14
CA2609423C (en) 2012-05-15
JP2011182409A (ja) 2011-09-15
SG162737A1 (en) 2010-07-29
KR20080014884A (ko) 2008-02-14
ES2539014T3 (es) 2015-06-25
US8265208B2 (en) 2012-09-11
BRPI0611319A2 (pt) 2010-08-31
JP4814321B2 (ja) 2011-11-16
EP2582056B1 (en) 2016-03-23
WO2006130502A3 (en) 2008-01-10
KR100931925B1 (ko) 2009-12-15
US20090290664A1 (en) 2009-11-26
EP1889372A2 (en) 2008-02-20
CA2609423A1 (en) 2006-12-07
TWI448115B (zh) 2014-08-01
JP2011199873A (ja) 2011-10-06
EP1889372B1 (en) 2015-04-15
SG162736A1 (en) 2010-07-29
JP5149412B2 (ja) 2013-02-20
JP5341123B2 (ja) 2013-11-13
EP2582056A1 (en) 2013-04-17
KR100957813B1 (ko) 2010-05-13
KR20090057336A (ko) 2009-06-04
CN102185674B (zh) 2015-06-10
EP2582055A1 (en) 2013-04-17
CN103297192A (zh) 2013-09-11
WO2006130502A2 (en) 2006-12-07

Similar Documents

Publication Publication Date Title
TW200715773A (en) Receiver for wireless communication network with extended range
US7424079B2 (en) Receiving apparatus and synchronising method for a digital telecommunication system
US7961816B2 (en) Device for and method of signal synchronization in a communication system
SG129231A1 (en) Receiver and method for wlan burst type signals
US10206192B2 (en) Method and device for detecting LTE frame synchronization, and relay device applying the same
WO2007121451A3 (en) Noise estimation for wireless communication
TW200705909A (en) Synchronization method and apparatus for OFDM systems
JP5038630B2 (ja) 反復的なプリアンブル信号を有する直交周波数の分割多重伝送方式信号の受信方法
CA2554752A1 (en) Timing estimation in an ofdm receiver
WO2010046748A3 (en) Using the same multiplexed radio resource for pilot and information signals
WO2007089199A3 (en) Method for processing the random access transmission in the frequency domain
US20140376540A1 (en) Frequency-Domain Symbol And Frame Synchronization In Multi-Carrier Systems
WO2002078280A3 (de) Verfahren zur rahmen- und frequenzsynchronisation eines ofdm-signals und verfahren zum senden eines ofdm-signals
TW200616371A (en) Receiver capable of correcting in-phase and quadrature-phase mismatch and method thereof
JP2007519290A (ja) 粗い及び細かい周波数及び時間同期のための方法及び装置
RU2008123872A (ru) Отслеживание символов для am-радиоприемников внутри полосы в канале
TW200623660A (en) FFT carrier frequency offset estimation for OFDM signal
EP2337291A3 (en) Reception apparatus, reception method, reception program, and reception system
TW200623688A (en) Method for detecting signal and estimating symbol timing
DE602005022656D1 (de) Trägersynchronisation in OFDM
EE200000469A (et) Meetod ja seade sagedussünkronisatsioonisignaali detekteerimiseks
SG128531A1 (en) A dpsk demodulator and method
KR100634449B1 (ko) 가변 길이의 보호구간을 사용하는 오에프디엠 기반에서의보호구간의 길이 검출 방법 및 그 장치
JP2007159100A (ja) Ｏｑｐｓｋ復調器のタイミング推定器
KR20040110342A (ko) Ｏｆｄｍ 시스템에서 반복 신호를 이용한 신호대잡음비측정장치 및 방법

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees