BRPI0706360A8 - equipamentos e métodos de geração de downlink frame em sistema de comunicação sem fio e de busca de célula e meio legível em computador - Google Patents

equipamentos e métodos de geração de downlink frame em sistema de comunicação sem fio e de busca de célula e meio legível em computador

Info

Publication number
BRPI0706360A8
BRPI0706360A8 BRPI0706360A BRPI0706360A BRPI0706360A8 BR PI0706360 A8 BRPI0706360 A8 BR PI0706360A8 BR PI0706360 A BRPI0706360 A BR PI0706360A BR PI0706360 A BRPI0706360 A BR PI0706360A BR PI0706360 A8 BRPI0706360 A8 BR PI0706360A8
Authority
BR
Brazil
Prior art keywords
cell
wireless communication
computer readable
methods
communication system
Prior art date
Application number
BRPI0706360A
Other languages
English (en)
Inventor
Kim Il-Gyu
Chang Kap-Seok
Kim Nam-Il
Bang Seung-Chan
Kim Young-Hoon
Original Assignee
Electronics & Telecommunications Res Inst
Kt Freetel Co Ltd
Sk Telecom Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39136071&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0706360(A8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from KR1020060081763A external-priority patent/KR100755820B1/ko
Application filed by Electronics & Telecommunications Res Inst, Kt Freetel Co Ltd, Sk Telecom Co Ltd filed Critical Electronics & Telecommunications Res Inst
Publication of BRPI0706360A2 publication Critical patent/BRPI0706360A2/pt
Publication of BRPI0706360A8 publication Critical patent/BRPI0706360A8/pt
Publication of BRPI0706360B1 publication Critical patent/BRPI0706360B1/pt

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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0079—Acquisition of downlink reference signals, e.g. detection of cell-ID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

equipamentos e métodos de geração de downhink frame em sistema de comunicação sem fio e de busca de célula e meio legível em computador. a invenção proporciona um método de gerar um sinal de downlink e buscar uma célula na base do sinal de downlink num sistema celular baseado em ofdm. o sinal de downlink inclui uma pluralidade de blocos de sincronização tendo, cada um, uma pluralidade de subframes e um padrão de sincronização composto de uma combinação de um código de identificação de grupo de células para identificar um grupo de células e um código de identificação de sincronização de frame para indicar que é gerado um ponto de inicio do frame em cada um dos blocos de sincronização. códigos diferentes de identificação de sincronização de frame são alocados aos blocos de sincronização.
BRPI0706360-1A 2006-08-28 2007-05-25 equipamentos e métodos de geração de downlink frame em sistema de comunicação sem fio e de busca de célula e meio legível em computador BRPI0706360B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2006-0081763 2006-08-28
KR1020060081763A KR100755820B1 (ko) 2006-01-04 2006-08-28 셀룰러 시스템의 하향 링크 신호 생성 장치와 셀 탐색 방법및 장치
PCT/KR2007/002556 WO2008026819A1 (en) 2006-08-28 2007-05-25 Apparatus for generating down link signal, and method and apparatus for cell search in cellular system

Publications (3)

Publication Number Publication Date
BRPI0706360A2 BRPI0706360A2 (pt) 2011-03-22
BRPI0706360A8 true BRPI0706360A8 (pt) 2017-04-04
BRPI0706360B1 BRPI0706360B1 (pt) 2019-10-29

Family

ID=39136071

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0706360-1A BRPI0706360B1 (pt) 2006-08-28 2007-05-25 equipamentos e métodos de geração de downlink frame em sistema de comunicação sem fio e de busca de célula e meio legível em computador

Country Status (7)

Country Link
US (1) US8125976B2 (pt)
EP (3) EP2057811B1 (pt)
CN (1) CN101390358B (pt)
BR (1) BRPI0706360B1 (pt)
ES (2) ES2791294T3 (pt)
PL (1) PL2057811T3 (pt)
WO (1) WO2008026819A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007097597A2 (en) * 2006-02-24 2007-08-30 Lg Electronics Inc. Methods of searching code sequence in mobile communication system
KR100943619B1 (ko) * 2006-10-02 2010-02-24 삼성전자주식회사 확장성 대역폭을 지원하는 셀룰러 무선통신시스템을 위한 하향링크 동기채널의 송수신 방법 및 장치
US8054823B2 (en) 2007-06-18 2011-11-08 Texas Instruments Incorporated Mapping schemes for secondary synchronization signal scrambling
US9332515B2 (en) 2007-06-18 2016-05-03 Texas Instruments Incorporated Mapping schemes for secondary synchronization signal scrambling
KR100921769B1 (ko) 2007-07-12 2009-10-15 한국전자통신연구원 하향링크 프레임 생성 방법 및 셀 탐색 방법
KR20090009693A (ko) 2007-07-20 2009-01-23 한국전자통신연구원 하향링크 프레임 생성 방법 및 셀 탐색 방법
US9119132B2 (en) * 2007-10-10 2015-08-25 Qualcomm Incorporated Efficient system identification schemes for communication systems
KR101231512B1 (ko) * 2008-05-09 2013-02-07 한국전자통신연구원 무선통신시스템의 셀 탐색에서 주파수 오프셋에 강한 심볼 동기 획득 장치 및 방법
ES2431337T3 (es) 2008-06-04 2013-11-26 Sony Corporation Nueva estructura de trama para sistemas de múltiples portadoras
US8194529B2 (en) * 2008-09-08 2012-06-05 Sony Corporation Frame and data pattern structure for multi-carrier systems
US8315332B2 (en) * 2009-03-06 2012-11-20 Sony Corporation System and method for transmitting data using quantized channel rates
KR101626457B1 (ko) * 2013-12-20 2016-06-01 주식회사 쏠리드 Lte 프레임 동기 검출 방법 및 장치, 이를 적용한 중계 장치
CN109429567B (zh) 2017-06-16 2021-10-15 北京小米移动软件有限公司 信号传输方法和信号传输装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518085B2 (pt) * 1974-08-14 1980-05-16
US6363060B1 (en) * 1999-06-30 2002-03-26 Qualcomm Incorporated Method and apparatus for fast WCDMA acquisition
KR100701766B1 (ko) 1999-12-31 2007-03-29 주식회사 케이티 이동통신시스템에서의 프레임 동기 방법
US6912258B2 (en) 2000-07-07 2005-06-28 Koninklijke Philips Electtronics N.V. Frequency-domain equalizer for terrestrial digital TV reception
KR100358410B1 (ko) 2000-12-19 2002-10-25 (주)씨앤에스 테크놀로지 직교주파수분할다중화시스템 상에서 ａ／ｄ변환기의 직류옵셋 제어 방법 및 그 시스템
US7012881B2 (en) 2000-12-29 2006-03-14 Samsung Electronic Co., Ltd. Timing and frequency offset estimation scheme for OFDM systems by using an analytic tone
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
KR20050062636A (ko) 2002-10-30 2005-06-23 오페락스 아베 인터넷 프로토콜(아이피) 네트워크에서 자원을 예약하는방법 및 배당
US7738437B2 (en) * 2003-01-21 2010-06-15 Nortel Networks Limited Physical layer structures and initial access schemes in an unsynchronized communication network
KR100657506B1 (ko) 2003-10-30 2006-12-13 한국전자통신연구원 Ｏｆｄｍａ 방식을 사용하는 무선 통신 시스템의 하향링크 프레임 구성방법
KR100946913B1 (ko) * 2003-11-21 2010-03-09 삼성전자주식회사 직교 주파수 분할 다중 시스템에서 셀 식별을 위한 프리앰블 신호 생성 장치 및 방법
JP2005159973A (ja) 2003-11-28 2005-06-16 Advanced Telecommunication Research Institute International 受信機
KR20050066562A (ko) 2003-12-26 2005-06-30 삼성전자주식회사 직교 주파수 분할 다중화 방식의 무선 통신 시스템에서의프레임 프리앰블 구성 방법 및 그 프리앰블을 이용한프레임 동기 획득 및 셀 검색 방법
KR100643740B1 (ko) 2004-04-09 2006-11-10 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서기지국 구분을 위한 파일럿 코드 패턴 송수신 장치 및 방법
KR100754794B1 (ko) * 2004-05-29 2007-09-03 삼성전자주식회사 이동통신시스템에서 셀 식별 코드 송수신 장치 및 방법
KR100632292B1 (ko) 2004-08-13 2006-10-11 재단법인서울대학교산학협력재단 직교 주파수 분할 다중 통신 시스템에서 셀 탐색을 위한파일럿 신호 형성 방법과 셀 탐색 방법 및 그 장치
US8134996B2 (en) * 2005-07-21 2012-03-13 Texas Instruments Incorporated Downlink synchronization for a cellular OFDM communication system
US7675846B2 (en) * 2006-06-23 2010-03-09 Telefonaktiebolaget L M Ericsson (Publ) Method and system for using the synchronization channel to obtain measurements in a cellular communications system

Also Published As

Publication number Publication date
EP3672181A1 (en) 2020-06-24
PL2057811T3 (pl) 2020-09-21
EP3863251A1 (en) 2021-08-11
CN101390358B (zh) 2016-01-20
ES2791294T3 (es) 2020-11-03
WO2008026819A1 (en) 2008-03-06
BRPI0706360B1 (pt) 2019-10-29
US20090161652A1 (en) 2009-06-25
BRPI0706360A2 (pt) 2011-03-22
EP3672181B1 (en) 2021-07-07
EP2057811A4 (en) 2017-11-22
ES2891124T3 (es) 2022-01-26
US8125976B2 (en) 2012-02-28
EP2057811B1 (en) 2020-04-22
CN101390358A (zh) 2009-03-18
EP2057811A1 (en) 2009-05-13

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Legal Events

Date Code Title Description
B25F Entry of change of name and/or headquarter and transfer of application, patent and certif. of addition of invention: change of name on requirement

Owner name: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT

B25F Entry of change of name and/or headquarter and transfer of application, patent and certif. of addition of invention: change of name on requirement

Owner name: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT

B25A Requested transfer of rights approved

Owner name: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT

B25A Requested transfer of rights approved

Owner name: SK TELECOM CO. LTD. (KR)

B25L Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: publication cancelled

Owner name: SK TELECOM CO. LTD. (KR)

B25A Requested transfer of rights approved

Owner name: SK TELECOM CO. LTD. (KR)

B25E Requested change of name of applicant rejected

Owner name: SK TELECOM CO. LTD. (KR)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04L 27/26

Ipc: H04J 11/00 (1974.07), H04L 27/26 (1968.09)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 29/10/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 29/10/2019, OBSERVADAS AS CONDICOES LEGAIS