ATE547878T1 - Sequenzerzeugungsverfahren zur detektion sowie verfahren zum senden und empfangen von signalen damit - Google Patents

Sequenzerzeugungsverfahren zur detektion sowie verfahren zum senden und empfangen von signalen damit

Info

Publication number
ATE547878T1
ATE547878T1 AT07024640T AT07024640T ATE547878T1 AT E547878 T1 ATE547878 T1 AT E547878T1 AT 07024640 T AT07024640 T AT 07024640T AT 07024640 T AT07024640 T AT 07024640T AT E547878 T1 ATE547878 T1 AT E547878T1
Authority
AT
Austria
Prior art keywords
index
sequence
zadoff
signal
sending
Prior art date
Application number
AT07024640T
Other languages
English (en)
Inventor
Seung Hee Han
Min Seok Noh
Yeong Hyeon Kwon
Dong Cheol Kim
Jin Sam Kwak
Hyun Woo Lee
Original Assignee
Lg Electronics 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
Priority claimed from KR1020070025175A external-priority patent/KR100964691B1/ko
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Application granted granted Critical
Publication of ATE547878T1 publication Critical patent/ATE547878T1/de

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0073—Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • 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
    • H04L27/2614—Peak power aspects
    • 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
    • H04L27/2614—Peak power aspects
    • H04L27/2615—Reduction thereof using coding
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0066—Requirements on out-of-channel emissions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0087—Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • H04J13/0062—Zadoff-Chu
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J2011/0096—Network 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
    • 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
    • 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
AT07024640T 2006-12-19 2007-12-19 Sequenzerzeugungsverfahren zur detektion sowie verfahren zum senden und empfangen von signalen damit ATE547878T1 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US87078606P 2006-12-19 2006-12-19
US88439907P 2007-01-10 2007-01-10
US88538707P 2007-01-17 2007-01-17
US88830407P 2007-02-05 2007-02-05
KR1020070025175A KR100964691B1 (ko) 2006-12-19 2007-03-14 다수의 반송파를 이용하여 데이터를 전송하는 장치 및 방법
KR20070048353 2007-05-17
KR20070057531 2007-06-12
US96855607P 2007-08-28 2007-08-28

Publications (1)

Publication Number Publication Date
ATE547878T1 true ATE547878T1 (de) 2012-03-15

Family

ID=41050839

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07024640T ATE547878T1 (de) 2006-12-19 2007-12-19 Sequenzerzeugungsverfahren zur detektion sowie verfahren zum senden und empfangen von signalen damit

Country Status (11)

Country Link
US (11) US8130863B2 (de)
EP (3) EP2117194B1 (de)
AT (1) ATE547878T1 (de)
DK (1) DK1936902T3 (de)
ES (2) ES2380698T3 (de)
GB (1) GB2458418B (de)
HK (1) HK1117313A1 (de)
HU (1) HUE035832T2 (de)
PL (1) PL1936902T3 (de)
PT (1) PT1936902E (de)
TW (1) TWI439161B (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101517945B (zh) 2006-09-29 2013-01-16 松下电器产业株式会社 序列分配方法和序列分配装置
EP2360849B1 (de) 2006-09-30 2014-12-03 Huawei Technologies Co., Ltd. Verfahren und Vorrichtung zur Sequenzverteilung und -Verarbeitung in einem Kommunikationssystem
GB2458418B (en) 2006-12-19 2011-08-03 Lg Electronics Inc Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
US8223700B2 (en) * 2007-01-08 2012-07-17 Samsung Electronics Co., Ltd. Filtering and guard band for non-synchronized transmission
US20080172393A1 (en) * 2007-01-15 2008-07-17 Baird Glen L System and Method for Public Access and Control of MLS Data
US8189557B2 (en) * 2007-02-23 2012-05-29 Texas Instruments Incorporated Secondary synchronization channel design for OFDMA systems
ATE498249T1 (de) * 2007-03-07 2011-02-15 Huawei Tech Co Ltd Sequenzverteilung, verarbeitungsverfahren sowie entsprechende vorrichtung in einem kommunikationssystem
US9332515B2 (en) 2007-06-18 2016-05-03 Texas Instruments Incorporated Mapping schemes for secondary synchronization signal scrambling
US8054823B2 (en) 2007-06-18 2011-11-08 Texas Instruments Incorporated Mapping schemes for secondary synchronization signal scrambling
KR100938756B1 (ko) 2007-07-06 2010-01-26 엘지전자 주식회사 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법
US8773968B2 (en) 2007-08-06 2014-07-08 Texas Instruments Incorporated Signaling of random access preamble sequences in wireless networks
KR101457685B1 (ko) * 2007-08-10 2014-11-03 삼성전자주식회사 셀룰러 무선 통신 시스템에서 애크/내크의 송수신 방법 및 장치
JP4994168B2 (ja) * 2007-09-25 2012-08-08 株式会社日立国際電気 通信機
US7965797B2 (en) * 2007-11-01 2011-06-21 Texas Instruments Incorporated Method, system and apparatus for generating constant amplitude zero autocorrelation sequences
US8189455B1 (en) * 2007-11-07 2012-05-29 Research In Motion Limited Coding information for communication over an orthogonal frequency division multiple access (OFDMA)-based wireless link
ES2353087B1 (es) * 2008-07-18 2011-12-30 Fundacion Robotiker Método y dispositivo de transmisión y de recepción de señales digitales.
EP2317659A4 (de) * 2008-08-21 2014-03-26 Fujitsu Ltd Einrichtung und verfahren zur schätzung der frequenzabweichung
JP5308528B2 (ja) * 2008-08-22 2013-10-09 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 効率的なＺａｄｏｆｆ−Ｃｈｕシーケンス生成
US8249193B2 (en) * 2008-09-05 2012-08-21 Motorola Mobility Llc Reference signal sequence representation in wireless communication device
US9608780B2 (en) * 2008-09-23 2017-03-28 Qualcomm Incorporated Transmit diversity for SC-FDMA
CN101437005B (zh) * 2008-12-12 2012-11-14 中国人民解放军理工大学通信工程学院 通信同步过程中存在定时误差的整数倍频偏估计方法
WO2010079953A2 (en) * 2009-01-06 2010-07-15 Samsung Electronics Co., Ltd. Apparatus and method for generating synchronization channel in a wireless communication system
KR101559794B1 (ko) * 2009-02-17 2015-10-13 엘지전자 주식회사 시퀀스 생성 방법 및 이를 위한 장치
TWI401923B (zh) * 2009-06-06 2013-07-11 Generalplus Technology Inc 適應性時脈重建方法與裝置以及進行音頻解碼方法
CN102687476B (zh) 2009-06-26 2017-06-30 普拉斯N有限责任公司 用于控制组合无线信号的系统和方法
US8265625B2 (en) * 2009-08-20 2012-09-11 Acer Incorporated Systems and methods for network entry management
EP2635078B1 (de) 2009-09-15 2018-11-07 Huawei Technologies Co., Ltd. Uplink-Synchronisationsverarbeitungsverfahren, Benutzergerät und Basisstation
KR101316682B1 (ko) * 2009-12-15 2013-10-10 한국전자통신연구원 다운링크 수신기를 이용한 기지국의 ｔｎｌ 연결 설정 방법 및 장치
CN102111366B (zh) * 2009-12-28 2014-11-05 世意法（北京）半导体研发有限责任公司 基于活跃集频音预留的峰均功率比(par)削减
US8405393B2 (en) * 2010-03-01 2013-03-26 Colorado Seminary, Which Owns And Operates The University Of Denver EPR using Frank sequence
CN102271108B (zh) * 2010-06-07 2014-04-30 中兴通讯股份有限公司 恒模序列的离散傅立叶变换的快速计算方法和装置
KR20120069174A (ko) * 2010-12-20 2012-06-28 삼성전자주식회사 무선통신시스템에서 임의 접근 신호 수신 장치 및 방법
CN102014101B (zh) * 2011-01-06 2013-04-24 北京交通大学 基于多发送天线技术的ofdm同步方法
US9615326B2 (en) * 2011-06-30 2017-04-04 Intel Corporation System and method of improving power efficiency in wireless communication system
US10509091B2 (en) * 2012-03-07 2019-12-17 Colorado Seminary, Which Owns And Operates The University Of Denver EPR methods and systems
WO2014015219A2 (en) 2012-07-19 2014-01-23 Colorado Seminary, Which Owns And Operates The University Of Denver Crossed-loop resonators
CN202721697U (zh) * 2012-07-27 2013-02-06 上海晨思电子科技有限公司 一种无偏估计装置
US10334569B2 (en) 2013-06-05 2019-06-25 Texas Instruments Incorporated NLOS wireless backhaul downlink communication
WO2015010337A1 (zh) * 2013-07-26 2015-01-29 华为终端有限公司 同步信号的承载方法和用户设备
CN105532054B (zh) * 2013-09-16 2019-07-02 Lg电子株式会社 网络同步的方法和装置
US9338034B2 (en) 2013-10-09 2016-05-10 Qualcomm Incorporated Ternary sequences with power of two exponent dimensionalities suitable for channel estimation
WO2015062747A1 (en) * 2013-11-01 2015-05-07 Huawei Technologies Co.,Ltd Transmitter, receiver and method for generating synchronisation signals
US9615341B2 (en) 2013-11-01 2017-04-04 Futurewei Technologies, Inc. System and method for transmitting a synchronization signal
CN104202712B (zh) * 2014-01-24 2019-07-23 中兴通讯股份有限公司 设备到设备同步信号的发送方法及装置、用户设备
EP3780475A1 (de) 2014-04-14 2021-02-17 Innovative Technology Lab Co., Ltd. Vorrichtung und system zum senden eines synchronisationssignals für direkte d2d-kommunikation in einem drahtloskommunikationssystem
US9596668B2 (en) 2014-04-14 2017-03-14 Innovative Technology Lab Co., Ltd. Method and apparatus for transmitting synchronization signal for device to device communication in wireless communication system
CN103929825A (zh) * 2014-04-30 2014-07-16 电子科技大学 基于zc序列的多用户检测方法
US9762347B2 (en) * 2014-08-25 2017-09-12 ONE Media, LLC Dynamic configuration of a flexible orthogonal frequency division multiplexing PHY transport data frame preamble
US9474014B2 (en) 2014-12-23 2016-10-18 Intel Corporation Method of processing received digitized signals and mobile radio communication terminal device
US10257325B2 (en) * 2015-02-05 2019-04-09 Samsung Electronics Co., Ltd. System, apparatus, and method for configuring preamble and synchronizing frame
CN110661590B (zh) 2015-03-09 2021-04-20 第一媒体有限责任公司 系统发现与信令
US10623227B2 (en) * 2015-10-21 2020-04-14 Lg Electronics Inc. Method for transmitting or receiving signal using long sequence and apparatus therefor
US10498563B2 (en) * 2015-11-06 2019-12-03 Telefonaktiebolaget Lm Ericsson (Publ) Processing a constant amplitude sequence for transmission
US10973055B2 (en) * 2016-10-20 2021-04-06 Alcatel Lucent System and method for preamble sequence transmission and reception to control network traffic
US10764798B2 (en) * 2016-11-16 2020-09-01 Corning Optical Communications LLC Discovery of neighbor radio access systems by a user mobile communications device serviced by a radio access network (RAN) for reporting discovered systems to a serving system in the RAN
MX2019007827A (es) * 2016-12-28 2019-08-16 Guangdong Oppo Mobile Telecommunications Corp Ltd Metodo de envio de informacion, metodo de recepcion de informacion, aparato y sistema.
US10326556B2 (en) 2016-12-30 2019-06-18 Waviot Integrated Systems, Llc Method and system of frequency correction in LPWAN networks
WO2018126204A1 (en) 2016-12-30 2018-07-05 Waviot Integrated Systems, Llc Simultaneous confirmation of many messages in lpwan & frequency correction for data transmission
US10257009B2 (en) * 2016-12-30 2019-04-09 Waviot Integrated Systems, Llc Method for multichannel signal search and demodulation and technique to demodulate and detect DBPSK FDMA ultra-narrow band signal
US10419063B2 (en) 2016-12-30 2019-09-17 Waviot Integrated Systems, Llc Method and system for receiving telemetry messages over RF channel
CN108282305B (zh) * 2017-01-06 2021-09-14 华为技术有限公司 参考信号的传输方法和设备
CN108738375A (zh) * 2017-02-24 2018-11-02 联发科技股份有限公司 无线通信系统中用于同步和装置标识的偶数长度序列
WO2018158926A1 (ja) * 2017-03-02 2018-09-07 株式会社Ｎｔｔドコモ ユーザ端末及び無線通信方法
WO2018164420A1 (ko) * 2017-03-04 2018-09-13 엘지전자 주식회사 무선 통신 시스템에서, 동기 신호를 전송하는 방법 및 이를 위한 장치
KR102138759B1 (ko) * 2017-03-29 2020-07-28 엘지전자 주식회사 무선랜 시스템에서의 신호 송수신 방법 및 이를 위한 장치
CN109587092B (zh) * 2017-09-29 2021-12-03 华为技术有限公司 基于序列的信号处理方法及装置
CN108055222B (zh) * 2017-10-30 2020-09-11 捷开通讯(深圳)有限公司 基于ofdm系统的数据处理方法及智能终端
CN111193681B (zh) * 2019-02-28 2020-10-16 成都坤恒顺维科技股份有限公司 基于高速数传中的快速时间同步方法
EP3723332A1 (de) * 2019-04-08 2020-10-14 Mitsubishi Electric R&D Centre Europe B.V. Kreisförmige pilotsequenzen zur gemeinsamen kanal- und phasenrauschschätzung
CN111092703A (zh) * 2019-07-26 2020-05-01 中兴通讯股份有限公司 一种信号发送方法、装置、通讯节点及存储介质
US11368236B2 (en) 2019-09-06 2022-06-21 Cisco Technology, Inc. Detection and decoding of wireless synchronization signals
CN110557818B (zh) * 2019-09-12 2021-12-28 北京维普无限智能技术有限公司 一种无线信号接收设备控制功耗的方法

Family Cites Families (117)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550809A (en) 1992-04-10 1996-08-27 Ericsson Ge Mobile Communications, Inc. Multiple access coding using bent sequences for mobile radio communications
US5245968A (en) 1992-08-04 1993-09-21 Ford Motor Company System to determine cam phase and cylinder identification for a variable cam timing engine
JP3373746B2 (ja) 1997-01-07 2003-02-04 株式会社鷹山 Ｄｓ−ｃｄｍａ基地局間非同期セルラ方式における初期同期方法および受信機
US6185244B1 (en) * 1997-08-29 2001-02-06 Telefonaktiebolaget Lm Ericsson Cell searching in a CDMA communications system
US6054823A (en) 1998-05-19 2000-04-25 Telcom Semiconductor, Inc. Verification of fan operation
KR100532328B1 (ko) 1998-08-29 2006-03-23 삼성전자주식회사 부호분할다중접속통신시스템의피.엔시퀀스식별장치
US6731673B1 (en) * 1999-02-19 2004-05-04 Nortel Networks Limited Synchronization channel with cyclic hierarchical sequences and method for cell site search with low detector complexity
US6480558B1 (en) 1999-03-17 2002-11-12 Ericsson Inc. Synchronization and cell search methods and apparatus for wireless communications
KR100669570B1 (ko) * 1999-04-29 2007-01-15 지멘스 악티엔게젤샤프트 기지국을 이동국과 동기화시키는 방법, 기지국, 및 이동국
KR100369791B1 (ko) 1999-04-29 2003-01-29 삼성전자 주식회사 비동기 방식의 부호분할다중접속 통신시스템의 동기장치및 방법
US6611494B1 (en) 1999-05-19 2003-08-26 Agere Systems Inc. Orthogonal sequence generator
US6717930B1 (en) * 2000-05-22 2004-04-06 Interdigital Technology Corporation Cell search procedure for time division duplex communication systems using code division multiple access
ATE371309T1 (de) 1999-05-28 2007-09-15 Interdigital Tech Corp Verfahren zur zellensuche in tdd/cdma- nachrichtenübertragungssystemen
US6363060B1 (en) 1999-06-30 2002-03-26 Qualcomm Incorporated Method and apparatus for fast WCDMA acquisition
US6483824B1 (en) 1999-07-29 2002-11-19 Qualcomm, Inc. Method and apparatus for acquiring service in a “border area”
US6922388B1 (en) * 2000-02-11 2005-07-26 Lucent Technologies Inc. Signal construction, detection and estimation for uplink timing synchronization and access control in a multi-access wireless communication system
DE60008703T2 (de) 2000-05-10 2004-07-29 Mitsubishi Electric Information Technology Centre Europe B.V. Verfahren zur Zuweisung von Sekundärsynchronisationskodes zu einer Basisstation eines Mobilkommunikationssystems
EP1463216A3 (de) 2000-08-04 2008-12-31 Interdigital Technology Corporation Periodische Zellensuche
KR100342483B1 (ko) 2000-09-09 2002-06-28 윤종용 비동기방식 이동 통신 시스템에서의 기지국 탐색 장치 및방법
CA2361247C (en) 2000-11-06 2008-10-07 Ntt Docomo, Inc. Transmitter, transmitting method, receiver, and receiving method for mc-cdma communication system
WO2002101939A2 (en) 2001-06-08 2002-12-19 Broadcom Corporation Robust burst detection and acquisition system and method
US6894995B2 (en) 2001-06-22 2005-05-17 Interdigital Technology Corporation Apparatus and method for performing initial cell search in wireless communication systems
KR100800885B1 (ko) 2001-08-13 2008-02-04 삼성전자주식회사 다중레벨변조를 사용하는 통신시스템의 복조장치 및 방법
US6744747B2 (en) 2001-08-22 2004-06-01 Qualcomm, Incorporated Method & apparatus for W-CDMA handoff searching
US7206298B2 (en) 2001-09-06 2007-04-17 Qualcomm, Incorporated Conducting searches amidst asynchronous cells of a communication system
US20030081538A1 (en) 2001-10-18 2003-05-01 Walton Jay R. Multiple-access hybrid OFDM-CDMA system
KR100479169B1 (ko) * 2001-10-26 2005-03-25 삼성전자주식회사 이동 통신 시스템의 셀 탐색 장치 및 방법
US7110782B2 (en) 2001-10-30 2006-09-19 Texas Instruments Incorporated Cell search synchronization
US6847630B2 (en) * 2001-11-09 2005-01-25 Qualcomm, Incorporated Communications in an asynchronous cellular wireless network
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
US7065064B2 (en) * 2001-12-20 2006-06-20 Interdigital Technology Corporation Cell search using peak quality factors
US7453863B2 (en) 2002-04-04 2008-11-18 Lg Electronics Inc. Cell searching apparatus and method in asynchronous mobile communication system
KR20040005175A (ko) * 2002-07-08 2004-01-16 삼성전자주식회사 직교주파수분할다중화 통신시스템에서 선택적매핑의부가정보 송수신 장치 및 방법
WO2004030235A1 (en) * 2002-09-27 2004-04-08 Telefonaktiebolaget Lm Ericsson (Publ) Evaluating orthogonal codes transmitted in a wireless communications network
KR100576010B1 (ko) 2002-10-08 2006-05-02 삼성전자주식회사 직교주파수분할다중 통신시스템의 보호구간 삽입/제거장치 및 방법
US7738437B2 (en) * 2003-01-21 2010-06-15 Nortel Networks Limited Physical layer structures and initial access schemes in an unsynchronized communication network
KR100758190B1 (ko) * 2003-02-05 2007-09-13 인터디지탈 테크날러지 코포레이션 무선 통신 시스템의 초기 셀 검색 방법
US7016319B2 (en) * 2003-03-24 2006-03-21 Motorola, Inc. Method and apparatus for reducing co-channel interference in a communication system
DE60306894T2 (de) 2003-05-07 2007-02-15 Stmicroelectronics S.R.L., Agrate Brianza Verfahren und Vorrichtung zur Zellensuche in zellularen Kommunikationssystemen
AU2004202550A1 (en) 2003-06-18 2005-01-13 Nec Australia Pty Ltd Cell search process for wireless communication system
KR20050011292A (ko) 2003-07-22 2005-01-29 삼성전자주식회사 다수개의 송신 안테나들을 사용하는 직교 주파수 분할다중 통신시스템에서 프리앰블 시퀀스 생성 장치 및 방법
KR20050018333A (ko) 2003-08-13 2005-02-23 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신시스템에서프리앰블 시퀀스 생성 장치 및 방법
US7620029B2 (en) 2003-10-09 2009-11-17 Qualcomm Incorporated Parallel cell ID acquisition in frequency division multiple access systems
KR100946913B1 (ko) * 2003-11-21 2010-03-09 삼성전자주식회사 직교 주파수 분할 다중 시스템에서 셀 식별을 위한 프리앰블 신호 생성 장치 및 방법
KR100547723B1 (ko) 2004-01-14 2006-01-31 삼성전자주식회사 이동통신시스템에서 인접 셀 경계 인식장치 및 방법
KR100713528B1 (ko) 2004-03-12 2007-05-02 삼성전자주식회사 직교 주파수 분할 다중 접속 방식을 사용하는 통신시스템에서 서브 채널 신호 송신 장치 및 방법
JP4434202B2 (ja) 2004-03-16 2010-03-17 日本電気株式会社 無線通信システム用のセル・サーチ方法
JP4591973B2 (ja) * 2004-07-27 2010-12-01 ゼットティーイー（ユーエスエー）インコーポレーテッド Ｏｆｄｍａまたはｏｆｄｍ通信システムにおける基準プリアンブル信号の送信及び受信
GB2418104B (en) * 2004-09-09 2007-03-28 Toshiba Res Europ Ltd An uplink interference cancelling CDMA base station uses the transmission timing of a new mobile station compared with that of other mobile stations
KR100594156B1 (ko) 2004-09-10 2006-06-28 삼성전자주식회사 다중 입력 다중 출력 방식을 사용하는 직교 주파수 분할다중 통신시스템에서 프리앰블 시퀀스 송/수신 방법
KR100715910B1 (ko) * 2004-09-20 2007-05-08 삼성전자주식회사 다중 접속 방식을 사용하는 이동 통신 시스템의 셀 탐색장치 및 방법
CN1756248B (zh) * 2004-09-29 2010-06-02 上海贝尔阿尔卡特股份有限公司 多入多出正交频分复用移动通信系统及信道估计方法
JPWO2006035876A1 (ja) 2004-09-29 2008-05-15 興和株式会社 関節リウマチの予防及び／又は治療薬
FR2876406B1 (fr) 2004-10-12 2008-05-02 Sensitive Object Installation de controle d'acces a commande acoustique et dispositif de controle d'acces pour une telle installation
CN100483977C (zh) 2004-10-29 2009-04-29 清华大学 多媒体信息传输中时频矩阵二维信道动态分配方法
US7876806B2 (en) * 2005-03-24 2011-01-25 Interdigital Technology Corporation Orthogonal frequency division multiplexing-code division multiple access system
US7929509B2 (en) 2005-05-10 2011-04-19 Qualcomm Incorporated Reduced cell acquisition time
WO2006129166A1 (en) * 2005-05-31 2006-12-07 Nokia Corporation Method and apparatus for generating pilot sequences to reduce peak-to-average power ratio
KR100693728B1 (ko) 2005-07-14 2007-03-12 엘지전자 주식회사 폭이 다른 칸막이벽 구조를 갖는 전자종이 표시소자
KR101085671B1 (ko) * 2005-07-19 2011-11-22 삼성전자주식회사 방송 시스템에서의 방송 수신 장치 및 방법
ATE460060T1 (de) 2005-07-28 2010-03-15 Telecom Italia Spa Verfahren zum vergeben von verwürfelten codes an zellen eines zellularen cdma- mobilkommunikationsnetzes
US20070183386A1 (en) * 2005-08-03 2007-08-09 Texas Instruments Incorporated Reference Signal Sequences and Multi-User Reference Signal Sequence Allocation
US7965759B2 (en) * 2005-10-28 2011-06-21 Qualcomm Incorporated Synchronization codes for wireless communication
US20070099561A1 (en) 2005-11-02 2007-05-03 Juergen Voss System and method for tracking UMTS cell traffic
KR101306696B1 (ko) 2005-11-10 2013-09-10 엘지전자 주식회사 다수의 반송파를 이용하여 데이터를 전송하는 장치 및 방법
JP2007136961A (ja) 2005-11-21 2007-06-07 Sumitomo Heavy Ind Ltd 射出装置及び射出装置に備えられた複数の軸の軸力差調整方法
TWI378690B (en) * 2005-11-28 2012-12-01 Lg Electronics Inc Method and apparatus for generatin and transmitting code sequence in a wireless communication system
TW200838194A (en) * 2005-12-21 2008-09-16 Interdigital Tech Corp Synchronization channel for OFDMA based evolved UTRA downlink
US20090135802A1 (en) * 2006-01-11 2009-05-28 Matsushita Electric Industrial Co., Ltd. Scalable bandwidth system, radio base station apparatus, synchronous channel transmitting method and transmission method
EP1980030B2 (de) 2006-01-18 2017-08-09 Huawei Technologies Co., Ltd. Verfahren zur verbesserten synchronisation und informationsübertragung in einem kommunikationssystem
KR100827064B1 (ko) * 2006-01-18 2008-05-02 삼성전자주식회사 Ｏｆｄｍ 기반 셀룰러 무선통신시스템의 동기 신호 송신 방법 및 장치
US7808886B2 (en) * 2006-01-18 2010-10-05 Freescale Semiconductor, Inc. Pilot signal in an FDMA communication system
KR20070080129A (ko) 2006-02-06 2007-08-09 삼성전자주식회사 광학 필름 어셈블리와 이를 포함하는 액정 표시 장치
US7706249B2 (en) * 2006-02-08 2010-04-27 Motorola, Inc. Method and apparatus for a synchronization channel in an OFDMA system
US8098745B2 (en) * 2006-03-27 2012-01-17 Texas Instruments Incorporated Random access structure for wireless networks
US9313064B2 (en) 2006-04-18 2016-04-12 Interdigital Technology Corporation Method and apparatus for synchronization in an OFDMA evolved UTRA wireless communication system
EP2016683A4 (de) * 2006-04-27 2014-07-16 Texas Instruments Inc Verfahren und vorrichtung für die zuweisung von referenzsignalen in einem drahtlosen kommunikationssystem
US7701919B2 (en) * 2006-05-01 2010-04-20 Alcatel-Lucent Usa Inc. Method of assigning uplink reference signals, and transmitter and receiver thereof
EP2624488B8 (de) 2006-06-16 2017-11-01 Sharp Kabushiki Kaisha Datenerzeugungsvorrichtung, Datenerzeugungsverfahren, Basisstation, mobile Station, Synchronisierungserkennungsverfahren, Sektoridentifizierungsverfahren, Informationserkennungsverfahren und mobiles Kommunikationssystem
WO2007149290A2 (en) * 2006-06-19 2007-12-27 Interdigital Technology Corporation Method and apparatus for performing random access in a wireless communication system
WO2008000069A1 (en) 2006-06-26 2008-01-03 Nortel Networks Limited Methods and systems for transmit diversity
US7948866B2 (en) * 2006-08-07 2011-05-24 Texas Instruments Incorporated Low complexity design of primary synchronization sequence for OFDMA
US8223625B2 (en) 2006-08-23 2012-07-17 Qualcomm, Incorporated Acquisition in frequency division multiple access systems
US8184609B2 (en) * 2006-08-25 2012-05-22 Samsung Electronics Co., Ltd. System and method for random access in a wireless communication system
ATE451811T1 (de) * 2006-08-29 2009-12-15 Ericsson Telefon Ab L M Detektion von zugangsbursts in einem direktzugriffskanal
US8665799B2 (en) 2006-09-14 2014-03-04 Qualcomm Incorporated Beacon assisted cell search in a wireless communication system
CN101517945B (zh) 2006-09-29 2013-01-16 松下电器产业株式会社 序列分配方法和序列分配装置
US8228887B2 (en) * 2006-09-29 2012-07-24 Apple Inc. Cell identifier encoding and decoding methods and apparatus
US20080080463A1 (en) * 2006-10-02 2008-04-03 Stewart Kenneth A Synchronization for a wireless communication device using multiple synchronization channels
US7778151B2 (en) * 2006-10-03 2010-08-17 Texas Instruments Incorporated Efficient scheduling request channel for wireless networks
US8199706B2 (en) * 2006-10-27 2012-06-12 Texas Instruments Incorporated Random access design for high doppler in wireless networks
US8320360B2 (en) * 2006-11-06 2012-11-27 Motorola Mobility Llc Method and apparatus for fast cell search
JP4968956B2 (ja) 2006-11-10 2012-07-04 シャープ株式会社 無線通信方法、受信方法および無線通信装置
GB2458418B (en) * 2006-12-19 2011-08-03 Lg Electronics Inc Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
US8681750B2 (en) * 2006-12-29 2014-03-25 Nokia Corporation Apparatus, methods, and computer program products providing limited use of Zadoff-Chu sequences in pilot or preamble signals
ATE488917T1 (de) * 2007-01-10 2010-12-15 Nokia Corp Vorrichtung, verfahren und computerprogrammprodukt zur detektion einer nichtsynchronisierten direktzugriffskanal- präambel
DE102007014284B4 (de) 2007-03-19 2009-02-26 Alfred Kärcher Gmbh & Co. Kg Vorrichtung zum Zerkleinern von Trockeneisgranulat und Trockeneisabgabeanordnung mit einer derartigen Vorrichtung
EP2153572B1 (de) * 2007-04-30 2019-10-23 Texas Instruments Incorporated Primärsynchronisationssequenzen mit geringer komplexität
US8649401B2 (en) * 2007-05-01 2014-02-11 Qualcomm Incorporated Generation and detection of synchronization signal in a wireless communication system
JP5280376B2 (ja) 2007-05-02 2013-09-04 ファーウェイ テクノロジーズ カンパニー リミテッド 通信システムにおける同期信号を確立する方法および装置
US8223908B2 (en) 2007-05-02 2012-07-17 Qualcomm Incorporated Selection of acquisition sequences for optimal frequency offset estimation
US7965689B2 (en) * 2007-05-14 2011-06-21 Motorola Mobility, Inc. Reference sequence construction for fast cell search
US8345804B2 (en) * 2007-06-14 2013-01-01 Alcatel Lucent Simplified RACH preamble detection receiver
US8054823B2 (en) 2007-06-18 2011-11-08 Texas Instruments Incorporated Mapping schemes for secondary synchronization signal scrambling
JP4465370B2 (ja) * 2007-06-19 2010-05-19 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、送信方法、及び無線通信システム
KR100938756B1 (ko) * 2007-07-06 2010-01-26 엘지전자 주식회사 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법
KR101495886B1 (ko) 2007-07-19 2015-02-26 한국전자통신연구원 하향링크 프레임 생성 방법 및 셀 탐색 방법
WO2009014355A1 (en) 2007-07-20 2009-01-29 Electronics And Telecommunications Research Institute Method for generating downlink frame, and method for searching cell
US8009701B2 (en) * 2007-08-13 2011-08-30 Qualcomm Incorporated Secondary synchronization codebook for E-utran
US20090073944A1 (en) * 2007-09-17 2009-03-19 Jing Jiang Restricted Cyclic Shift Configuration for Random Access Preambles in Wireless Networks
US8503547B2 (en) 2007-10-11 2013-08-06 Qualcomm Incorporated Scrambling codes for secondary synchronization codes in wireless communication systems
EP2209242A1 (de) * 2007-11-06 2010-07-21 Sharp Kabushiki Kaisha Basisstationsvorrichtung, mobilstationsvorrichtung, kommunikationssystem und mobilgerätesuchverfahren dafür
US8059765B2 (en) * 2008-02-21 2011-11-15 Nokia Siemens Networks Oy Method and apparatus to detect random access channel preamble
US8018950B2 (en) 2008-03-17 2011-09-13 Wi-Lan, Inc. Systems and methods for distributing GPS clock to communications devices
US8805362B2 (en) * 2008-09-11 2014-08-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for satisfying performance requirements by tuning parameters for accessing a network with random access channels
US8565765B2 (en) 2008-10-17 2013-10-22 Qualcomm Incorporated Method and apparatus for determining the country where a mobile device has acquired service
US8982759B2 (en) * 2009-01-15 2015-03-17 Lg Electronics Inc. System information transmitting and receiving device

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