KR100726050B1 - 스프레드 스펙트럼 통신에서 효율적인 동기화 방법 및 장치 - Google Patents

스프레드 스펙트럼 통신에서 효율적인 동기화 방법 및 장치 Download PDF

Info

Publication number
KR100726050B1
KR100726050B1 KR1020017011316A KR20017011316A KR100726050B1 KR 100726050 B1 KR100726050 B1 KR 100726050B1 KR 1020017011316 A KR1020017011316 A KR 1020017011316A KR 20017011316 A KR20017011316 A KR 20017011316A KR 100726050 B1 KR100726050 B1 KR 100726050B1
Authority
KR
South Korea
Prior art keywords
sequence
golay
complementary
transceiver
correlator
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 - Fee Related
Application number
KR1020017011316A
Other languages
English (en)
Korean (ko)
Other versions
KR20010102513A (ko
Inventor
포포빅브란니스라브
Original Assignee
텔레폰악티에볼라겟엘엠에릭슨(펍)
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 텔레폰악티에볼라겟엘엠에릭슨(펍) filed Critical 텔레폰악티에볼라겟엘엠에릭슨(펍)
Publication of KR20010102513A publication Critical patent/KR20010102513A/ko
Application granted granted Critical
Publication of KR100726050B1 publication Critical patent/KR100726050B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0011—Complementary
    • H04J13/0014—Golay
    • 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
    • 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
    • H04B1/709—Correlator structure
    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
KR1020017011316A 1999-03-05 2000-03-03 스프레드 스펙트럼 통신에서 효율적인 동기화 방법 및 장치 Expired - Fee Related KR100726050B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/263,106 US6567482B1 (en) 1999-03-05 1999-03-05 Method and apparatus for efficient synchronization in spread spectrum communications
US09/263,106 1999-03-05

Publications (2)

Publication Number Publication Date
KR20010102513A KR20010102513A (ko) 2001-11-15
KR100726050B1 true KR100726050B1 (ko) 2007-06-08

Family

ID=23000389

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020017011316A Expired - Fee Related KR100726050B1 (ko) 1999-03-05 2000-03-03 스프레드 스펙트럼 통신에서 효율적인 동기화 방법 및 장치

Country Status (11)

Country Link
US (1) US6567482B1 (enExample)
EP (1) EP1159796A2 (enExample)
JP (3) JP2002539667A (enExample)
KR (1) KR100726050B1 (enExample)
CN (1) CN1367965B (enExample)
AR (1) AR025824A1 (enExample)
AU (1) AU770399B2 (enExample)
CA (1) CA2364349C (enExample)
MY (1) MY123539A (enExample)
TW (1) TW463477B (enExample)
WO (1) WO2000054424A2 (enExample)

Families Citing this family (197)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000009140A (ko) * 1998-07-21 2000-02-15 윤종용 확산대역 통신시스템의 초기 포착 및 프레임동기 장치 및 방법
WO2000054536A1 (en) * 1999-03-08 2000-09-14 Nokia Networks Oy Method for establishing a communication between a user equipment and a radio network
US7643540B2 (en) * 1999-03-15 2010-01-05 Lg Electronics Inc. Pilot signals for synchronization and/or channel estimation
KR100294711B1 (ko) * 1999-03-15 2001-07-12 서평원 최적의 파일럿 심볼을 이용한 프레임 동기 방법
US7496132B2 (en) * 1999-03-15 2009-02-24 Kg Electronics Inc. Pilot signals for synchronization and/or channel estimation
US6574267B1 (en) * 1999-03-22 2003-06-03 Golden Bridge Technology, Inc. Rach ramp-up acknowledgement
US6831929B1 (en) * 1999-03-22 2004-12-14 Texas Instruments Incorporated Multistage PN code aquisition circuit and method
US7039036B1 (en) * 1999-04-01 2006-05-02 Texas Instruments Incorporated Reduced complexity primary and secondary synchronization codes with good correlation properties for WCDMA
DE19917337C2 (de) * 1999-04-16 2002-02-28 Infineon Technologies Ag Verfahren und Einrichtung zum Synchronisieren eines Mobilfunkempfängers mit einer Rahmenstruktur eines Funksignals
ES2233356T3 (es) * 1999-04-29 2005-06-16 Siemens Aktiengesellschaft Procedimiento para establecer o determinar una secuencia de señales, procedimiento para la sincronizacion , estacion de base y estacion movil.
US6958989B1 (en) * 1999-05-19 2005-10-25 Interdigital Technology Corporation Uplink scrambling code assignment for a random access channel
JP3928777B2 (ja) * 1999-05-26 2007-06-13 ノキア コーポレイション ランダムアクセス制御方法及びシステム
US7103085B1 (en) * 1999-06-18 2006-09-05 Texas Instruments Incorporated Wireless communications system with secondary synchronization code based on values in primary synchronization code
JP4970643B2 (ja) * 1999-06-18 2012-07-11 テキサス インスツルメンツ インコーポレイテッド １次同期コードの値に基づく２次同期コードを使用する無線通信システム
JP3322243B2 (ja) * 1999-06-30 2002-09-09 日本電気株式会社 直接拡散ｃｄｍａ受信機
CA2276971A1 (en) * 1999-07-06 2001-01-06 Wen Tong Preamble using golay sequence for access channel in cellular communications systems
GB2352368A (en) * 1999-07-19 2001-01-24 Oak Technology Inc Receiver circuit
JP4288777B2 (ja) * 1999-08-11 2009-07-01 ソニー株式会社 マルチキャリア信号送信装置及びマルチキャリア信号受信装置
KR100429545B1 (ko) * 1999-08-17 2004-04-28 삼성전자주식회사 이동통신 시스템의 스크램블링 부호의 식별자 통신방법
GB2386801B (en) * 1999-08-24 2004-03-24 Roke Manor Research A method of locating a mobile station within a telecommunications cell forming part of a telecommunications system
FR2803467B1 (fr) * 1999-12-30 2002-02-08 Mitsubishi Electric Inf Tech Methode d'estimation d'un canal de transmission ou de telecommunication
FR2803468B1 (fr) * 1999-12-30 2002-04-12 Mitsubishi Electric Inf Tech Methode d'estimation d'un canal de transmission ou de telecommunications
EP1117185A1 (en) * 2000-01-14 2001-07-18 Lucent Technologies Inc. Method and rake receiver for code-tracking in CDMA communication systems
EP1117186A1 (en) * 2000-01-14 2001-07-18 Lucent Technologies Inc. Adaptive code-tracking RAKE receiver for direct-sequence code-division multiple access (cdma) communications
DE10001854A1 (de) * 2000-01-18 2001-08-02 Infineon Technologies Ag Verfahren und Vorrichtung zur Ermittlung der Trägerfrequenz von Basisstationen im mobilen Empfänger eines mit W-CDMA arbeitenden zellularen Mobilfunksystems
CN1419748A (zh) * 2000-02-16 2003-05-21 三星电子株式会社 在码分多址通信系统中指定公用分组信道的设备和方法
EP1130792A1 (en) * 2000-03-03 2001-09-05 Lucent Technologies Inc. A method and rake receiver for phasor estimation in communication systems
US6778835B2 (en) * 2000-03-18 2004-08-17 Lg Electronics Inc. Method for allocating physical channel of mobile communication system and communication method using the same
GB0007334D0 (en) * 2000-03-28 2000-05-17 Koninkl Philips Electronics Nv Radio communication system
ES2269908T3 (es) * 2000-05-10 2007-04-01 Mitsubishi Electric Information Technology Centre Europe B.V. Metodo para adjudicar codigos de sincronizacion secundarios a una estacion base de un sistema de telecomunicaciones moviles.
US7400654B2 (en) * 2000-05-23 2008-07-15 Siemens Aktiengesellschaft Method for synchronizing a receiver with a transmitter
ES2164613B1 (es) * 2000-08-16 2003-05-16 Fuente Vicente Diaz Metodo, transmisor y receptor para comunicacion digital de espectro ensanchado mediante modulacion de secuencias complementarias golay.
US8165246B1 (en) * 2000-08-28 2012-04-24 Alcatel Lucent Training sequence for low latency LMS implementation
US7173899B1 (en) * 2000-08-28 2007-02-06 Lucent Technologies Inc. Training and synchronization sequences for wireless systems with multiple transmit and receive antennas used in CDMA or TDMA systems
JP3729329B2 (ja) * 2000-09-19 2005-12-21 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおける移動局のセルサーチ方法および移動通信システムにおける移動局
US7154850B1 (en) * 2000-09-20 2006-12-26 Lucent Technologies Inc. Wireless data transmission using time out control
FR2814877B1 (fr) * 2000-10-02 2003-01-03 Mitsubishi Electric Inf Tech Sequence d'estimation de canal et procede d'estimation d'un canal de transmission qui utilise une telle sequence d'estimation de canal
FR2814885B1 (fr) * 2000-10-03 2003-05-30 Mitsubishi Electric Inf Tech Methode de synchronisation de stations de base
GB0024530D0 (en) * 2000-10-06 2000-11-22 Roke Manor Research Use of multiple offsets with concatenated periodically extended complementary sequences
US8670390B2 (en) 2000-11-22 2014-03-11 Genghiscomm Holdings, LLC Cooperative beam-forming in wireless networks
US20080095121A1 (en) * 2002-05-14 2008-04-24 Shattil Steve J Carrier interferometry networks
US20020097780A1 (en) * 2000-11-30 2002-07-25 Odenwalder Joseph P. Preamble generation
JP3510589B2 (ja) * 2000-12-15 2004-03-29 Ｎｅｃエレクトロニクス株式会社 セルサーチ方法およびセルサーチ装置
JP3857528B2 (ja) * 2001-01-12 2006-12-13 富士通株式会社 同期検出装置
JP3346415B2 (ja) * 2001-02-14 2002-11-18 日本電気株式会社 移動体通信システムと基地局ならびに通信制御方法
US10931338B2 (en) 2001-04-26 2021-02-23 Genghiscomm Holdings, LLC Coordinated multipoint systems
US10425135B2 (en) 2001-04-26 2019-09-24 Genghiscomm Holdings, LLC Coordinated multipoint systems
US9893774B2 (en) 2001-04-26 2018-02-13 Genghiscomm Holdings, LLC Cloud radio access network
US9819449B2 (en) 2002-05-14 2017-11-14 Genghiscomm Holdings, LLC Cooperative subspace demultiplexing in content delivery networks
US10355720B2 (en) 2001-04-26 2019-07-16 Genghiscomm Holdings, LLC Distributed software-defined radio
US6836666B2 (en) * 2001-05-08 2004-12-28 Lucent Technologies Inc. Method to control uplink transmissions in a wireless communication system
DE10124223A1 (de) * 2001-05-18 2002-11-21 Philips Corp Intellectual Pty Verfahren und Einrichtung zur Synchronisation eines Funksenders mit einem Funkempfänger
CN1138428C (zh) * 2001-06-11 2004-02-11 华为技术有限公司 移动通信同步系统的同步码选择方法
KR100461545B1 (ko) * 2001-10-20 2004-12-16 한국전자통신연구원 동기 채널의 동기코드 생성 및 검출 방법
US7729412B2 (en) 2001-10-29 2010-06-01 Qualcomm Incorporated Parameter estimator with dynamically variable integration time
US7308022B2 (en) 2001-11-01 2007-12-11 Rick Roland R Parameter estimator configured to distinguish between peaks and sidelobes of correlation function
US7558534B2 (en) 2001-11-02 2009-07-07 Qualcomm Incorporated Reliability metrics for parameter estimates which account for cumulative error
US7006587B1 (en) * 2001-11-20 2006-02-28 Cisco Technolgy, Inc. Preamble aided synchronization
US7274759B2 (en) * 2001-12-21 2007-09-25 Koninklijke Philips Electronics N.V. Antenna switching based on a preamble MSE metric
US7155229B2 (en) * 2002-01-08 2006-12-26 Ericsson Inc. Distributed wireless architecture using microcast
US7813311B2 (en) * 2002-02-05 2010-10-12 Interdigital Technology Corporation Method and apparatus for synchronizing base stations
DE60320956D1 (de) * 2002-03-07 2008-06-26 Alvarion Ltd Hierarchische präambelkonstruktionen für ofdma auf der basis komplementärer sequenzen
GB2386444B (en) * 2002-03-12 2004-05-26 Toshiba Res Europ Ltd Digital correlators
US9270421B2 (en) 2002-05-14 2016-02-23 Genghiscomm Holdings, LLC Cooperative subspace demultiplexing in communication networks
US10644916B1 (en) 2002-05-14 2020-05-05 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US10142082B1 (en) 2002-05-14 2018-11-27 Genghiscomm Holdings, LLC Pre-coding in OFDM
US9225471B2 (en) 2002-05-14 2015-12-29 Genghiscomm Holdings, LLC Cooperative subspace multiplexing in communication networks
US10200227B2 (en) 2002-05-14 2019-02-05 Genghiscomm Holdings, LLC Pre-coding in multi-user MIMO
US8942082B2 (en) 2002-05-14 2015-01-27 Genghiscomm Holdings, LLC Cooperative subspace multiplexing in content delivery networks
US9136931B2 (en) 2002-05-14 2015-09-15 Genghiscomm Holdings, LLC Cooperative wireless networks
US9628231B2 (en) 2002-05-14 2017-04-18 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
WO2004019510A1 (en) * 2002-08-21 2004-03-04 Koninklijke Philips Electronics N.V. Delay line for multiple propagation paths reception
KR100479864B1 (ko) * 2002-11-26 2005-03-31 학교법인 중앙대학교 이동 통신 시스템에서의 하향링크 신호의 구성 방법과동기화 방법 및 그 장치 그리고 이를 이용한 셀 탐색 방법
KR100905572B1 (ko) * 2002-12-03 2009-07-02 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신시스템에서 프리앰블 시퀀스 생성 장치 및 방법
EP1443669B1 (en) * 2003-01-31 2017-05-03 France Brevets Device for synchronization and codegroup identification
US7349461B2 (en) 2003-02-13 2008-03-25 Qualcomm Incorporated Efficient back-end channel matched filter (CMF)
US20040228424A1 (en) * 2003-02-27 2004-11-18 Baldwin Keith R. Receiver with analog barker detector
GB0307415D0 (en) 2003-03-31 2003-05-07 British Telecomm Matched filtering
KR100770912B1 (ko) * 2003-06-16 2007-10-26 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서프리앰블 시퀀스 생성 장치 및 방법
US7684472B2 (en) * 2003-07-02 2010-03-23 Thomson Licensing Method and apparatus for frequency-robust detection of a wideband code division multiple access secondary synchronization channel
SE0302233D0 (sv) * 2003-08-18 2003-08-18 Infineon Technologies Ag Sliding window
US20050078598A1 (en) * 2003-08-21 2005-04-14 Anuj Batra Enhancement to the multi-band OFDM physical layer
FR2859025B1 (fr) * 2003-08-22 2006-04-21 Cit Alcatel Procede de validation de la detection d'un pic de correlation par un recepteur de systeme de positionnement par satellite
US7508806B1 (en) * 2003-08-29 2009-03-24 National Semiconductor Corporation Communication signal processor architecture
US7308286B2 (en) * 2003-11-20 2007-12-11 Telefonaktiebolaget Lm Ericsson (Publ) Multi-dimensional joint searcher and channel estimators
US20050113142A1 (en) * 2003-11-20 2005-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Temporal joint searcher and channel estimators
US20050113141A1 (en) * 2003-11-20 2005-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Spatial joint searcher and channel estimators
ES2244304B1 (es) * 2003-12-17 2007-07-01 Vicente Diaz Fuente Dispositivo y metodo para la sincronizacion de un sistema de comunicacion de datos mediante secuencias complementarias.
US7453920B2 (en) * 2004-03-09 2008-11-18 Atc Technologies, Llc Code synchronization in CDMA satellite wireless communications system using uplink channel detection
WO2005088853A1 (en) 2004-03-09 2005-09-22 Neocific Inc. Methods and apparatus for random access in multi-carrier communication systems
US7627054B2 (en) * 2004-04-26 2009-12-01 Vicente Diaz Fuente Device and method for improving the signal to noise ratio by means of complementary sequences
KR100754794B1 (ko) * 2004-05-29 2007-09-03 삼성전자주식회사 이동통신시스템에서 셀 식별 코드 송수신 장치 및 방법
US11552737B1 (en) 2004-08-02 2023-01-10 Genghiscomm Holdings, LLC Cooperative MIMO
US11431386B1 (en) 2004-08-02 2022-08-30 Genghiscomm Holdings, LLC Transmit pre-coding
US11184037B1 (en) 2004-08-02 2021-11-23 Genghiscomm Holdings, LLC Demodulating and decoding carrier interferometry signals
KR100702456B1 (ko) * 2004-12-10 2007-04-03 한국전자통신연구원 심벌 동기 검출 방법 및 그 장치
EP1705825A1 (de) * 2005-03-23 2006-09-27 Dr. Reinhart Rudershausen Binärer Code-Adaptivfilter für Sende-Empfangsgeräte
CN101273524A (zh) * 2005-08-16 2008-09-24 伟俄内克斯研究公司 帧同步
US20070064665A1 (en) * 2005-08-23 2007-03-22 Interdigital Technology Corporation Method and apparatus for accessing an uplink random access channel in a single carrier frequency division multiple access system
US8910027B2 (en) * 2005-11-16 2014-12-09 Qualcomm Incorporated Golay-code generation
US8724676B2 (en) * 2005-11-16 2014-05-13 Qualcomm Incorporated Method and apparatus for single carrier spreading
US8583995B2 (en) * 2005-11-16 2013-11-12 Qualcomm Incorporated Multi-mode processor
US8429502B2 (en) * 2005-11-16 2013-04-23 Qualcomm Incorporated Frame format for millimeter-wave systems
WO2007066292A2 (en) * 2005-12-08 2007-06-14 Koninklijke Philips Electronics N.V. System, apparatus, and method for a robust synchronization scheme for digital communication systems
US8064414B2 (en) * 2005-12-13 2011-11-22 Qualcomm, Incorporated Range extension techniques for a wireless local area network
ES2376284T3 (es) 2005-12-22 2012-03-12 Electronics And Telecommunications Research Institute Procedimiento para operación de transmisión/recepción discontinua para reducir el consumo de energ�?a en un sistema celular.
US8000305B2 (en) * 2006-01-17 2011-08-16 Motorola Mobility, Inc. Preamble sequencing for random access channel in a communication system
CN102325116B (zh) * 2006-01-18 2014-06-25 华为技术有限公司 通信系统中的同步方法和系统
CN102316067B (zh) * 2006-01-18 2013-12-04 华为技术有限公司 通信系统中的同步方法和系统
ES2428388T5 (es) * 2006-01-18 2017-06-21 Huawei Technologies Co., Ltd. Método y sistema para sincronización en un sistema de comunicación
US7821991B2 (en) * 2006-02-10 2010-10-26 Panasonic Corporation Radio transmission device, and radio transmission method
US20070213067A1 (en) * 2006-03-09 2007-09-13 Patrick Li Wireless communication handoffs within a macrocell
US8009637B2 (en) * 2006-03-10 2011-08-30 Motorola Solutions, Inc. Method and apparatus for spreading channel code selection
DE602006015606D1 (de) * 2006-04-04 2010-09-02 Mitsubishi Electric Corp Verfahren zur Synchronisierung eines Signalrahmens in einem Telekommunikationssystem
US7653156B2 (en) 2006-04-20 2010-01-26 The Boeing Company Method for fine timing acquisition
JP4240072B2 (ja) * 2006-07-07 2009-03-18 ヤマハ株式会社 スペクトラム拡散回路
ES2324688B2 (es) * 2006-07-20 2011-01-17 Semiconductores Investigacion Y Diseño Sa Metodo y sistema de estimacion de canales de multiple entrada y multiple salida.
CN100389552C (zh) * 2006-07-26 2008-05-21 北京大学 直接序列扩频通信系统中的定时估计装置及方法
KR100896206B1 (ko) * 2006-08-08 2009-05-12 삼성전자주식회사 광대역 무선통신시스템에서 자원 할당 장치 및 방법
US8369860B2 (en) 2006-08-18 2013-02-05 Interdigital Technology Corporation Sending and reducing uplink feedback signaling for transmission of MBMS data
KR101043833B1 (ko) * 2006-08-18 2011-06-22 후지쯔 가부시끼가이샤 신규 및 레거시 무선 통신 디바이스가 공존하는 앰블 시퀀스
CN101136677B (zh) * 2006-08-28 2013-01-30 北京信威通信技术股份有限公司 一种tdd系统基站干扰零陷的方法及系统
JP4866690B2 (ja) * 2006-09-11 2012-02-01 富士通株式会社 プリアンブル受信装置
US8265025B2 (en) * 2006-09-26 2012-09-11 Panasonic Corporation Radio transmission device and radio transmission method
AU2006348829B8 (en) * 2006-09-28 2011-06-30 Fujitsu Limited Wireless communication device
WO2008042874A2 (en) * 2006-10-03 2008-04-10 Qualcomm Incorporated Method and apparatus for processing primary and secondary synchronization signals for wireless communication
US7839817B2 (en) * 2006-10-24 2010-11-23 Cisco Technology, Inc. Apparatus for detecting uplink ranging codes in a wireless communication system
US20080101301A1 (en) * 2006-10-27 2008-05-01 Motorola, Inc. Handover in a cellular communication system
ES2302638B1 (es) * 2006-12-21 2009-06-04 Vicente Diaz Fuente Metodo mejorado de codificacion y decodificacion con al menos dos pares de secuencias ortogonales.
MX2009008273A (es) 2007-02-12 2009-08-12 Lg Electronics Inc Metodos y procedimientos para acceso de alta velocidad de equipo de usuario.
US20080212463A1 (en) * 2007-03-02 2008-09-04 Fujitsu Limited Amble modulation series
EP2122861B1 (en) * 2007-03-12 2011-11-16 Electronics and Telecommunications Research Institute Synchronization in a packet based mobile communication system
JP4936027B2 (ja) * 2007-04-05 2012-05-23 日本電気株式会社 時間リファレンス識別方法
CN101296022B (zh) * 2007-04-24 2012-09-26 展讯通信（上海）有限公司 E-hich信道的特征码分配方法
US8391232B2 (en) * 2007-06-21 2013-03-05 Electronics And Telecommunications Research Institute Method for transmitting control information in wireless communication systems
US8169992B2 (en) * 2007-08-08 2012-05-01 Telefonaktiebolaget Lm Ericsson (Publ) Uplink scrambling during random access
RU2010116893A (ru) * 2007-09-29 2011-11-10 Конинклейке Филипс Электроникс Н.В. (Nl) Способ и устройство для приема и передачи сигнала
US8073082B2 (en) * 2007-10-05 2011-12-06 Panasonic Corporation Mirror sub-carrier demodulation circuit, receiving device with the same, and mirror sub-carrier demodulating method
US8472497B2 (en) * 2007-10-10 2013-06-25 Qualcomm Incorporated Millimeter wave beaconing with directional antennas
EP2063545B1 (en) * 2007-11-23 2012-08-01 Saab Ab Synchronization for FH communication
US20090135804A1 (en) * 2007-11-26 2009-05-28 Francis Swarts Method And System For Ordering Sequences For Synchronization Signaling In A Wireless System
CN101447962B (zh) * 2007-11-27 2011-06-08 华为技术有限公司 同步信息的发送与接收方法及装置、同步系统
US8400905B2 (en) 2007-12-21 2013-03-19 Telefonaktiebolaget Lm Ericsson (Publ) Generation of MBSFN-DOB synchronization codes
CN101471685B (zh) * 2007-12-27 2013-06-05 Tcl集团股份有限公司 窄带cdma反向链路及其调制扩频电路和解扩解调电路
US8385390B2 (en) * 2008-05-15 2013-02-26 Marvell World Trade Ltd. PHY preamble format for wireless communication system
US8228971B2 (en) 2008-07-29 2012-07-24 Agere Systems Inc. Technique for searching for a preamble signal in a spread spectrum signal using a fast Hadamard transform
JP4915476B2 (ja) * 2008-08-21 2012-04-11 富士通株式会社 周波数偏差推定装置および方法
US8855222B2 (en) * 2008-10-07 2014-10-07 Qualcomm Incorporated Codes and preambles for single carrier and OFDM transmissions
US9787371B2 (en) 2008-11-12 2017-10-10 Qualcomm, Incorporated Method and apparatus for directional channel access in a wireless communications system
DE102009014480B4 (de) 2009-03-23 2012-03-29 Reinhart Rudershausen Verfahren und Dekodierer zum verbesserten Entspreizen gespreizter Datensignale und eine Vorrichtung zur digitalen Kommunikation mit Spreizmodulation
US8804790B2 (en) * 2009-04-26 2014-08-12 Adeptence, Llc Spread spectrum encoding and decoding
US9094108B2 (en) * 2009-04-26 2015-07-28 Nant Holdings Ip, Llc Spread-spectrum modulation and demodulation
US8537878B2 (en) * 2009-04-26 2013-09-17 Adeptence, Llc Spread-spectrum codes generation
US8401056B2 (en) * 2009-05-06 2013-03-19 Adeptence Llc Method and apparatus for packet acquisition
US8836601B2 (en) 2013-02-04 2014-09-16 Ubiquiti Networks, Inc. Dual receiver/transmitter radio devices with choke
US9496620B2 (en) 2013-02-04 2016-11-15 Ubiquiti Networks, Inc. Radio system for long-range high-speed wireless communication
US8908792B2 (en) * 2009-06-23 2014-12-09 Intel Corporation Apparatus and methods using an efficient Golay correlator running at 1.5 the sampling rate in wireless communication systems
US8189541B2 (en) * 2009-07-13 2012-05-29 Broadcom Corporation Method and system for generating timed events in a radio frame in an E-UTRA/LTE UE receiver
EP2574221A2 (en) 2010-05-05 2013-04-03 GCM Communications Technology Method and system for accurate synchronization of frequency, phase and symbol timing
RU2428785C1 (ru) * 2010-06-11 2011-09-10 Государственное Образовательное Учреждение Высшего Профессионального Образования "Омский Государственный Технический Университет" Частотно-фазовый дискриминатор
CN102111227B (zh) * 2011-02-25 2015-06-24 北京航空航天大学 基于直接序列cdma/uwb的认知无线电软件仿真平台及其设计方法
US9014305B2 (en) * 2011-06-23 2015-04-21 Texas Instruments Incorporated Bi-phase communication demodulation techniques
US9247512B2 (en) * 2011-08-25 2016-01-26 Ubiquiti Networks Adaptive synchronous protocol for minimizing latency in TDD systems
US8928507B2 (en) * 2012-07-06 2015-01-06 Maxlinear, Inc. Method and system for time interleaved analog-to-digital converter timing mismatch estimation and compensation
US9397820B2 (en) 2013-02-04 2016-07-19 Ubiquiti Networks, Inc. Agile duplexing wireless radio devices
US9543635B2 (en) 2013-02-04 2017-01-10 Ubiquiti Networks, Inc. Operation of radio devices for long-range high-speed wireless communication
US9373885B2 (en) 2013-02-08 2016-06-21 Ubiquiti Networks, Inc. Radio system for high-speed wireless communication
TW201434287A (zh) * 2013-02-26 2014-09-01 Novatek Microelectronics Corp 時脈內嵌資料的產生裝置及傳輸方法
US9641303B2 (en) 2013-09-09 2017-05-02 Huawei Technologies Co., Ltd. System and method for increasing low density signature space
EP3055930B1 (en) 2013-10-11 2019-11-20 Ubiquiti Inc. Wireless radio system optimization by persistent spectrum analysis
US12224860B1 (en) 2014-01-30 2025-02-11 Genghiscomm Holdings, LLC Linear coding in decentralized networks
EP3114884B1 (en) 2014-03-07 2019-10-23 Ubiquiti Inc. Cloud device identification and authentication
US20150256355A1 (en) 2014-03-07 2015-09-10 Robert J. Pera Wall-mounted interactive sensing and audio-visual node devices for networked living and work spaces
US9912053B2 (en) 2014-03-17 2018-03-06 Ubiquiti Networks, Inc. Array antennas having a plurality of directional beams
EP3780261B1 (en) 2014-04-01 2022-11-23 Ubiquiti Inc. Antenna assembly
JP6340689B2 (ja) * 2014-05-23 2018-06-13 パナソニックＩｐマネジメント株式会社 パルスレーダ装置、およびパルスレーダ装置の制御方法
PL3266119T3 (pl) 2015-03-06 2018-11-30 Telefonaktiebolaget Lm Ericsson (Publ) Kształtowanie wiązki przy zastosowaniu układu antenowego
JP6513877B2 (ja) * 2015-07-24 2019-05-15 インテル コーポレイション 狭帯域ｌｔｅ配置のための同期信号及びチャネル構造
CN107294894B (zh) * 2016-03-31 2020-06-09 中国科学院上海高等研究院 一种前导信号的生成、发送、接收方法和系统
US10356823B2 (en) 2016-04-01 2019-07-16 Qualcomm Incorporated Random access message transmission using multiple symbols
CN108781472B (zh) * 2016-04-01 2022-03-15 高通股份有限公司 使用多个符号的随机接入消息传输
US10700762B2 (en) 2016-05-04 2020-06-30 Telefonaktiebolaget Lm Ericsson (Publ) Beam forming using an antenna arrangement
US11252002B2 (en) * 2016-12-19 2022-02-15 Telefonaktiebolaget Lm Ericsson (Publ) Reference signal construction
US10637705B1 (en) 2017-05-25 2020-04-28 Genghiscomm Holdings, LLC Peak-to-average-power reduction for OFDM multiple access
US10243773B1 (en) 2017-06-30 2019-03-26 Genghiscomm Holdings, LLC Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
CN107677999B (zh) * 2017-09-25 2020-09-08 西北工业大学 一种精确控制相关性旁瓣的序列集设计方法
US12206535B1 (en) 2018-06-17 2025-01-21 Tybalt, Llc Artificial neural networks in wireless communication systems
US11343823B2 (en) 2020-08-16 2022-05-24 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
US11917604B2 (en) 2019-01-25 2024-02-27 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
RU2695986C1 (ru) * 2018-11-27 2019-07-29 Федеральное государственное бюджетное образовательное учреждение высшего образования "Омский государственный технический университет" (ОмГТУ) Частотно-фазовый дискриминатор
EP3915236A4 (en) 2019-01-25 2023-05-24 Genghiscomm Holdings, LLC ORTHOGONAL MULTI-ACCESS AND NON-ORTHOGONAL MULTI-ACCESS
WO2020242898A1 (en) 2019-05-26 2020-12-03 Genghiscomm Holdings, LLC Non-orthogonal multiple access
CN112035521B (zh) * 2019-06-03 2025-03-18 吕纪竹 一种实时判断流数据自身给定延迟重复性的方法
JP7450367B2 (ja) * 2019-11-11 2024-03-15 三菱電機株式会社 同期捕捉回路
JP7748978B2 (ja) * 2021-02-15 2025-10-03 古野電気株式会社 タイミング検出装置、および、タイミング検出方法
CN113543298B (zh) * 2021-06-07 2022-09-02 中国联合网络通信集团有限公司 定时同步方法及基站
CN116112115A (zh) * 2023-01-12 2023-05-12 燕山大学 基于克罗内克积生成三相互补三联体的构造方法及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0789467A2 (en) * 1996-02-08 1997-08-13 Nokia Mobile Phones Ltd. Method and apparatus for correlation
EP0940761A2 (en) * 1998-03-02 1999-09-08 Sony Corporation Detection of a unique pattern
US6009125A (en) * 1994-09-13 1999-12-28 U.S. Philips Corporation Digital transmission system that can be synchronized with initialization sequences
JP2000091954A (ja) * 1998-09-16 2000-03-31 Oki Electric Ind Co Ltd 相関演算回路

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513288A (en) * 1982-03-29 1985-04-23 The United States Of America As Represented By The Secretary Of The Army Group-complementary code sets for implementing pulse-compression processing with optimum aperiodic autocorrelation and optimum cross-correlation properties
US5263026A (en) * 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
JP2672769B2 (ja) * 1992-06-29 1997-11-05 三菱電機株式会社 スペクトル拡散受信機
US5311544A (en) * 1992-11-19 1994-05-10 Samsung Electronics Co., Ltd. Receiver of a direct sequence spread spectrum system
JPH06338873A (ja) * 1993-05-28 1994-12-06 Canon Inc 符号分割多重通信装置
FI94819C (fi) * 1993-06-10 1995-10-25 Nokia Telecommunications Oy Tiedonsiirtomenetelmä ja CDMA/FDMA-radiojärjestelmä
JPH07231286A (ja) * 1994-02-18 1995-08-29 Oki Electric Ind Co Ltd 伝搬路推定器及び移動通信受信装置
JPH09307951A (ja) * 1996-03-15 1997-11-28 Matsushita Electric Ind Co Ltd スペクトル拡散通信装置
US6259724B1 (en) * 1996-10-18 2001-07-10 Telefonaktiebolaget L M Ericsson (Publ) Random access in a mobile telecommunications system
US6163533A (en) * 1997-04-30 2000-12-19 Telefonaktiebolaget Lm Ericsson (Publ) Random access in a mobile telecommunications system
US5991330A (en) * 1997-06-27 1999-11-23 Telefonaktiebolaget L M Ericsson (Pub1) Mobile Station synchronization within a spread spectrum communication systems
JP3797510B2 (ja) * 1997-07-16 2006-07-19 ソニー株式会社 通信方法、送信装置、受信装置及びセルラー無線通信システム
US6181729B1 (en) * 1997-12-19 2001-01-30 Supergold Communication Limited Spread spectrum communication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6009125A (en) * 1994-09-13 1999-12-28 U.S. Philips Corporation Digital transmission system that can be synchronized with initialization sequences
EP0789467A2 (en) * 1996-02-08 1997-08-13 Nokia Mobile Phones Ltd. Method and apparatus for correlation
EP0940761A2 (en) * 1998-03-02 1999-09-08 Sony Corporation Detection of a unique pattern
JP2000091954A (ja) * 1998-09-16 2000-03-31 Oki Electric Ind Co Ltd 相関演算回路

Also Published As

Publication number Publication date
JP2010081629A (ja) 2010-04-08
JP2011234389A (ja) 2011-11-17
CA2364349C (en) 2012-10-23
CN1367965A (zh) 2002-09-04
AR025824A1 (es) 2002-12-18
JP4505040B2 (ja) 2010-07-14
CA2364349A1 (en) 2000-09-14
TW463477B (en) 2001-11-11
EP1159796A2 (en) 2001-12-05
MY123539A (en) 2006-05-31
AU3688400A (en) 2000-09-28
AU770399B2 (en) 2004-02-19
CN1367965B (zh) 2013-05-01
KR20010102513A (ko) 2001-11-15
JP2002539667A (ja) 2002-11-19
WO2000054424A3 (en) 2001-02-01
US6567482B1 (en) 2003-05-20
WO2000054424A2 (en) 2000-09-14
JP5114585B2 (ja) 2013-01-09

Similar Documents

Publication Publication Date Title
KR100726050B1 (ko) 스프레드 스펙트럼 통신에서 효율적인 동기화 방법 및 장치
US7010071B1 (en) Method of generating and/or detecting synchronization sequences, synchronization method, transmitter unit and receiver unit
KR100691603B1 (ko) 선택된 상관성을 가지는 직교 하다마드-베이스드 시퀀스에기초한 통신 방법 및 장치
US8086228B2 (en) Method for identifying a code group representative of a number of base stations
KR100689562B1 (ko) 코드 분할 다중 접속 통신에서 4 위상 확산 코드
JP3472773B2 (ja) スペクトラム拡散通信システムにおける移動局の同期
EP1176730A1 (en) Interference estimation in a communications system
CN100380835C (zh) 处理cdma搜索器中的导频和非导频信道
KR100337388B1 (ko) 디지털 통신 시스템에서 다중채널신호을 이용한 확산신호의 동기획득장치 및 방법
CN1148452A (zh) 使用多个天线进行信号捕获和信道估算的方法和设备
Mishra Performance Enhancements to the WCDMA Cell Search Algorithms

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

R17-X000 Change to representative recorded

St.27 status event code: A-5-5-R10-R17-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

FPAY Annual fee payment

Payment date: 20130509

Year of fee payment: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

FPAY Annual fee payment

Payment date: 20140514

Year of fee payment: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

FPAY Annual fee payment

Payment date: 20150512

Year of fee payment: 9

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20160601

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20160601