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BR9913041B1 - processo e aparelho para determinar um grupo de càdigos de embaralhamento de sinais em um sistema de comunicaÇço digital. - Google Patents

processo e aparelho para determinar um grupo de càdigos de embaralhamento de sinais em um sistema de comunicaÇço digital.

Info

Publication number
BR9913041B1
BR9913041B1 BRPI9913041-6A BR9913041A BR9913041B1 BR 9913041 B1 BR9913041 B1 BR 9913041B1 BR 9913041 A BR9913041 A BR 9913041A BR 9913041 B1 BR9913041 B1 BR 9913041B1
Authority
BR
Brazil
Prior art keywords
determining
group
communication system
digital communication
scrambling codes
Prior art date
Application number
BRPI9913041-6A
Other languages
English (en)
Other versions
BR9913041A (pt
Inventor
Johan Nystroem
Branislav Popovic
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=22467212&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9913041(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of BR9913041A publication Critical patent/BR9913041A/pt
Publication of BR9913041B1 publication Critical patent/BR9913041B1/pt

Links

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
BRPI9913041-6A 1998-08-17 1999-07-30 processo e aparelho para determinar um grupo de càdigos de embaralhamento de sinais em um sistema de comunicaÇço digital. BR9913041B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/135,247 US6526091B1 (en) 1998-08-17 1998-08-17 Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties
PCT/SE1999/001331 WO2000010277A1 (en) 1998-08-17 1999-07-30 Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties

Publications (2)

Publication Number Publication Date
BR9913041A BR9913041A (pt) 2001-05-08
BR9913041B1 true BR9913041B1 (pt) 2013-05-28

Family

ID=22467212

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9913041-6A BR9913041B1 (pt) 1998-08-17 1999-07-30 processo e aparelho para determinar um grupo de càdigos de embaralhamento de sinais em um sistema de comunicaÇço digital.

Country Status (15)

Country Link
US (1) US6526091B1 (pt)
EP (1) EP1105991B1 (pt)
JP (1) JP4230111B2 (pt)
KR (1) KR100691603B1 (pt)
CN (1) CN1143467C (pt)
AR (1) AR025263A1 (pt)
AU (1) AU772280B2 (pt)
BR (1) BR9913041B1 (pt)
CA (1) CA2338560C (pt)
DE (1) DE69936455C5 (pt)
MY (1) MY125162A (pt)
RU (1) RU2234196C2 (pt)
TW (1) TW435012B (pt)
WO (1) WO2000010277A1 (pt)
ZA (1) ZA200100769B (pt)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19840232C1 (de) * 1998-09-03 1999-10-28 Siemens Ag Verfahren und Funk-Kommunikationssystem zur Synchronisation von Teilnehmerstationen
US6973057B1 (en) * 1999-01-29 2005-12-06 Telefonaktiebolaget L M Ericsson (Publ) Public mobile data communications network
KR100287896B1 (ko) * 1999-02-06 2001-04-16 서평원 이동 통신 시스템에서 셀 탐색 방법
US7643540B2 (en) * 1999-03-15 2010-01-05 Lg Electronics Inc. Pilot signals for synchronization and/or channel estimation
US6987746B1 (en) * 1999-03-15 2006-01-17 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US6721299B1 (en) * 1999-03-15 2004-04-13 Lg Information & Communications, Ltd. 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
US6891815B1 (en) * 1999-03-15 2005-05-10 Young-Joon Song Pilot signals for synchronization and/or channel estimation
KR100290678B1 (ko) * 1999-04-24 2001-05-15 윤종용 씨디엠에이 이동통신시스템의 셀탐색 장치 및 방법
KR100421142B1 (ko) * 1999-04-28 2004-03-04 삼성전자주식회사 이동통신시스템의 셀탐색 장치 및 방법
US6958989B1 (en) * 1999-05-19 2005-10-25 Interdigital Technology Corporation Uplink scrambling code assignment for a random access channel
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
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
AU752300B2 (en) * 1999-07-07 2002-09-12 Samsung Electronics Co., Ltd. Apparatus and method for generating scrambling code in UMTS mobile communication system
CN1132391C (zh) * 1999-08-09 2003-12-24 华为技术有限公司 一种实现移动通信系统的导频同步信道的方法
KR100429545B1 (ko) * 1999-08-17 2004-04-28 삼성전자주식회사 이동통신 시스템의 스크램블링 부호의 식별자 통신방법
US6891882B1 (en) * 1999-08-27 2005-05-10 Texas Instruments Incorporated Receiver algorithm for the length 4 CFC
JP3438669B2 (ja) * 1999-09-14 2003-08-18 日本電気株式会社 移動通信端末装置及びその制御方法並びにその制御プログラムを記録した記録媒体
US6996162B1 (en) * 1999-10-05 2006-02-07 Texas Instruments Incorporated Correlation using only selected chip position samples in a wireless communication system
FR2803467B1 (fr) 1999-12-30 2002-02-08 Mitsubishi Electric Inf Tech Methode d'estimation d'un canal de transmission ou de telecommunication
JP3581072B2 (ja) * 2000-01-24 2004-10-27 株式会社エヌ・ティ・ティ・ドコモ チャネル構成方法及びその方法を利用する基地局
US7069590B1 (en) * 2000-02-17 2006-06-27 Microsoft Corporation System and method for protecting data streams in hardware components
US6674818B1 (en) * 2000-04-17 2004-01-06 Rf Micro Devices, Inc. Reduced complexity decision circuitry
US6661834B1 (en) 2000-04-17 2003-12-09 Rf Micro Devices, Inc. Carrier recovery for spread spectrum communications
US6693954B1 (en) 2000-04-17 2004-02-17 Rf Micro Devices, Inc. Apparatus and method of early-late symbol tracking for a complementary code keying receiver
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
US8576754B2 (en) 2000-05-22 2013-11-05 Interdigital Technology Corporation TDD base station for code group synchronization
US7400654B2 (en) * 2000-05-23 2008-07-15 Siemens Aktiengesellschaft Method for synchronizing a receiver with a transmitter
US7103061B1 (en) * 2000-06-26 2006-09-05 Koninklijke Philips Electronics N.V. Synchronization codeword for interference reduction in a CDMA system
US8165246B1 (en) * 2000-08-28 2012-04-24 Alcatel Lucent Training sequence for low latency LMS implementation
US8374218B2 (en) 2000-12-05 2013-02-12 Google Inc. Combining signals with a shuffled-hadamard function
US8385470B2 (en) * 2000-12-05 2013-02-26 Google Inc. Coding a signal with a shuffled-Hadamard function
US7236508B2 (en) * 2001-02-05 2007-06-26 The Directv Group, Inc. Application of complex codes to maximize feeder link utilization
US20030053622A1 (en) * 2001-09-20 2003-03-20 Aiden Bruen Method for the construction of hash functions based on sylvester matrices, balanced incomplete block designs and error-correcting codes
US7075885B2 (en) * 2001-12-03 2006-07-11 Motorola, Inc. Method for assigning variable-length walsh codes for code division multiple access communications systems
US7065064B2 (en) * 2001-12-20 2006-06-20 Interdigital Technology Corporation Cell search using peak quality factors
US7308258B2 (en) * 2003-01-23 2007-12-11 Interdigital Technology Corporation Unsuitable cell exclusion in wireless communication systems
US8682386B2 (en) * 2003-04-07 2014-03-25 Fujitsu Limited Dual-mode system and dual-mode wireless terminal
KR101022066B1 (ko) 2003-05-17 2011-03-17 엘지전자 주식회사 이동통신 시스템에서의 하향링크 제어채널 구조 및 이를이용한 시간-코드 할당방법
US7394801B2 (en) * 2003-06-17 2008-07-01 Qisda Corporation Cell search method suitable for initial cell search and target cell search
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
US7463618B2 (en) * 2003-08-04 2008-12-09 Thomson Licensing Frame synchronization in a universal mobile telephone system receiver
TWM246707U (en) * 2003-08-26 2004-10-11 Behavior Tech Computer Corp Wireless man machine interface device
US7587660B2 (en) * 2005-04-22 2009-09-08 Kansas State University Research Foundation Multiple-access code generation
US8064424B2 (en) 2005-07-22 2011-11-22 Qualcomm Incorporated SDMA for WCDMA
CN101218845B (zh) * 2005-07-29 2013-02-27 松下电器产业株式会社 多载波通信中的无线通信基站装置、无线通信移动台装置和导频信号序列分配方法
US7599444B2 (en) 2005-09-02 2009-10-06 Alcatel-Lucent Usa Inc. Coding in a MIMO communication system
US8102900B2 (en) * 2006-04-07 2012-01-24 Broadcom Corporation Method and apparatus for efficient gold code generation and management in WCDMA systems
WO2008037114A1 (en) 2006-09-25 2008-04-03 Huawei Technologies Co., Ltd. Information carrying synchronization code and method for frame timing synchronization
CN102932088B (zh) * 2006-09-29 2016-06-01 松下电器（美国）知识产权公司 基站装置和基站装置执行的通信方法
JP5038427B2 (ja) * 2006-10-03 2012-10-03 クゥアルコム・インコーポレイテッド 無線通信のための一次同期信号および二次同期信号を処理するための方法および装置
US8144731B2 (en) * 2006-10-24 2012-03-27 Qualcomm Incorporated Control channel signaling in wireless communications
DE102007018032B4 (de) * 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
KR101103605B1 (ko) * 2007-04-30 2012-01-09 노키아 지멘스 네트웍스 오와이 자도프-추, 수정된 자도프-추, 및 블록-방식 확산 시퀀스들에 대한 조정된 순환 시프트 및 시퀀스 호핑
ES2533346T3 (es) 2007-06-15 2015-04-09 Optis Wireless Technology, Llc Aparato de comunicación inalámbrica y procedimiento de difusión de señal de respuesta
US7801231B2 (en) * 2007-09-27 2010-09-21 Intel Corporation Preamble techniques for communications networks
EP2156748B1 (de) * 2008-07-30 2011-09-21 Symrise AG Zusammensetzung zur Reduzierung des NaCl-Gehaltes in Lebensmitteln
JP2010041652A (ja) * 2008-08-08 2010-02-18 Fujitsu Ltd 端末装置、基地局装置検出方法、無線通信システム、及び基地局装置
US8867382B2 (en) 2008-08-20 2014-10-21 Qualcomm Incorporated Power control method for a GERAN system to increase GERAN network capacity
HUE030863T2 (en) 2008-08-20 2017-06-28 Qualcomm Inc MUROS modulation using linear baseband combinations using linear Gaussian pulse shaping for two users of time slots used by non-DARP and DARP remote stations
US7948332B2 (en) * 2008-09-30 2011-05-24 Raytheon Company N-channel multiplexer
US8705507B2 (en) * 2008-10-30 2014-04-22 Panasonic Corporation Radio communication device and radio communication method
MX2011008926A (es) * 2009-02-27 2011-09-21 Nokia Siemens Networks Oy Aparato y metodo para comunicacion de multiples entradas multiples salidas de unico usuario empleando desplazamientos ciclicos.
JP5300073B2 (ja) * 2009-08-28 2013-09-25 国立大学法人山口大学 近似同期ｃｄｍａ通信方式
CN102025390B (zh) * 2010-12-16 2013-03-20 大唐移动通信设备有限公司 一种扩频通信控制方法、装置及系统
RU2485592C1 (ru) * 2012-03-07 2013-06-20 Федеральное государственное унитарное предприятие "Государственный научно-исследовательский институт авиационных систем" Способ формирования целочисленных неортогональных декоррелирующих матриц заданных размеров и устройство для его осуществления
RU2509437C1 (ru) * 2012-07-17 2014-03-10 Федеральное государственное унитарное предприятие "Государственный научно-исследовательский институт авиационных систем" Способ формирования целочисленных ортогональных декоррелирующих матриц заданных размеров для прямого и обратного декоррелирующего преобразования видеоизображений и устройство для его осуществления
DK178764B1 (en) * 2015-06-19 2017-01-09 Itu Business Dev As A computer-implemented method for carrying out a search without the use of signatures
CN107947892B (zh) * 2017-12-27 2019-08-06 西安科锐盛创新科技有限公司 一种基于semi-bent函数的正交序列集构造方法
US11728918B2 (en) * 2020-04-10 2023-08-15 Qualcomm Incorporated Multi-bit payload transmission with orthogonal sequences

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5357454A (en) 1991-07-25 1994-10-18 Ericsson Ge Mobile Communications Holding, Inc. Fast walsh transform processor
US5353352A (en) 1992-04-10 1994-10-04 Ericsson Ge Mobile Communications Inc. Multiple access coding for radio communications
US5550809A (en) 1992-04-10 1996-08-27 Ericsson Ge Mobile Communications, Inc. Multiple access coding using bent sequences for mobile radio communications
US5353332A (en) 1992-09-16 1994-10-04 Ericsson Ge Mobile Communications Inc. Method and apparatus for communication control in a radiotelephone system
US5631929A (en) 1995-05-09 1997-05-20 Unisys Corporation Electronic transmitter having a digital combiner circuit for transmitting multiple digital input signals simultaneously
FI955113L (fi) 1995-10-26 1997-04-27 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin ja vastaanotin
JP3409628B2 (ja) 1996-06-19 2003-05-26 株式会社エヌ・ティ・ティ・ドコモ Ｃｄｍａ通信方法およびグループ拡散変調器
US5768307A (en) 1996-09-13 1998-06-16 Telefonaktiebolaget Lm Ericsson Coherent demodulation with decision-directed channel estimation for digital communication
WO1998020639A1 (fr) 1996-11-07 1998-05-14 Matsushita Electric Industrial Co., Ltd. Procede de generation de code et procede de selection de code
SE9700212L (sv) * 1997-01-24 1998-07-25 Ericsson Telefon Ab L M Förfarande och arrangemang i ett kommunikationssystem
FI970772L (fi) 1997-02-24 1998-08-25 Nokia Telecommunications Oy Kanava-allokointi radiokaistalla
US6215762B1 (en) * 1997-07-22 2001-04-10 Ericsson Inc. Communication system and method with orthogonal block encoding

Also Published As

Publication number Publication date
RU2234196C2 (ru) 2004-08-10
JP2002523922A (ja) 2002-07-30
TW435012B (en) 2001-05-16
CN1143467C (zh) 2004-03-24
CN1323474A (zh) 2001-11-21
AR025263A1 (es) 2002-11-20
EP1105991A1 (en) 2001-06-13
DE69936455T2 (de) 2008-03-06
DE69936455C5 (de) 2021-07-29
US6526091B1 (en) 2003-02-25
AU5662399A (en) 2000-03-06
BR9913041A (pt) 2001-05-08
KR20010072762A (ko) 2001-07-31
KR100691603B1 (ko) 2007-03-09
MY125162A (en) 2006-07-31
EP1105991B1 (en) 2007-07-04
CA2338560C (en) 2008-03-25
AU772280B2 (en) 2004-04-22
JP4230111B2 (ja) 2009-02-25
ZA200100769B (en) 2001-08-08
WO2000010277A1 (en) 2000-02-24
CA2338560A1 (en) 2000-02-24
DE69936455D1 (de) 2007-08-16

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Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
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 28/05/2013, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved
B25A Requested transfer of rights approved