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BRPI0812328A2 - Mapeamento de sequências pseudo-aleatórias em comunicações sem fio. - Google Patents

Mapeamento de sequências pseudo-aleatórias em comunicações sem fio.

Info

Publication number
BRPI0812328A2
BRPI0812328A2 BRPI0812328-4A2A BRPI0812328A BRPI0812328A2 BR PI0812328 A2 BRPI0812328 A2 BR PI0812328A2 BR PI0812328 A BRPI0812328 A BR PI0812328A BR PI0812328 A2 BRPI0812328 A2 BR PI0812328A2
Authority
BR
Brazil
Prior art keywords
pseudo
mapping
wireless communications
random sequences
sequences
Prior art date
Application number
BRPI0812328-4A2A
Other languages
English (en)
Inventor
Durga Prasad Malladi
Juan Montojo
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI0812328A2 publication Critical patent/BRPI0812328A2/pt
Publication of BRPI0812328B1 publication Critical patent/BRPI0812328B1/pt

Links

Classifications

    • 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]
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • 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]
    • H04L27/2607—Cyclic extensions
    • 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
    • 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) or 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
BRPI0812328-4A 2007-06-05 2008-06-05 Método para interpretar um sinal de referência de downlink e método para transmitir um sinal de referência de downlink em uma rede de comunicação sem fio, aparelho decomunicação sem fio, aparelho de comunicação sem fio que recebe e interpreta sinais de referência de downlink, aparelho de comunicação sem fio para embaralhar sinais dereferência de downlink em uma rede de comunicação sem fio e memória legível por computador BRPI0812328B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US94220107P 2007-06-05 2007-06-05
US60/942,201 2007-06-05
US94507307P 2007-06-19 2007-06-19
US60/945,073 2007-06-19
US12/133,164 2008-06-04
US12/133,164 US8971305B2 (en) 2007-06-05 2008-06-04 Pseudo-random sequence mapping in wireless communications
PCT/US2008/065985 WO2008151302A1 (en) 2007-06-05 2008-06-05 Pseudo-random sequence mapping in wireless communications

Publications (2)

Publication Number Publication Date
BRPI0812328A2 true BRPI0812328A2 (pt) 2015-01-27
BRPI0812328B1 BRPI0812328B1 (pt) 2020-03-24

Family

ID=39717652

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0812328-4A BRPI0812328B1 (pt) 2007-06-05 2008-06-05 Método para interpretar um sinal de referência de downlink e método para transmitir um sinal de referência de downlink em uma rede de comunicação sem fio, aparelho decomunicação sem fio, aparelho de comunicação sem fio que recebe e interpreta sinais de referência de downlink, aparelho de comunicação sem fio para embaralhar sinais dereferência de downlink em uma rede de comunicação sem fio e memória legível por computador

Country Status (13)

Country Link
US (2) US8971305B2 (pt)
EP (3) EP3442130A1 (pt)
JP (1) JP5102353B2 (pt)
KR (1) KR101099195B1 (pt)
CN (1) CN101682362B (pt)
AU (1) AU2008261025A1 (pt)
BR (1) BRPI0812328B1 (pt)
CA (1) CA2687550C (pt)
ES (1) ES2702787T3 (pt)
IL (1) IL202031A0 (pt)
MX (1) MX2009012900A (pt)
TW (1) TWI380606B (pt)
WO (1) WO2008151302A1 (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8971305B2 (en) * 2007-06-05 2015-03-03 Qualcomm Incorporated Pseudo-random sequence mapping in wireless communications
CN104158617A (zh) * 2008-03-10 2014-11-19 蔚蓝公司 高效及一致的无线下行链路信道配置
US9419836B2 (en) 2008-04-25 2016-08-16 Nokia Solutions And Networks Oy Apparatus, methods, and computer program products providing an indication of cyclic prefix length
US8170592B2 (en) * 2008-09-12 2012-05-01 Broadcom Corporation Method and system for frame timing acquisition in evolved universal terrestrial radio access (EUTRA)
US20100172235A1 (en) 2009-01-06 2010-07-08 Samsung Electronics Co., Ltd. System and method for initialization of a scrambling sequence for a downlink reference signal
CN101938813B (zh) * 2009-06-30 2013-02-27 中兴通讯股份有限公司 联合辅同步信号检测与帧定时同步的方法
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
CN102006254B (zh) * 2009-09-03 2013-03-06 卓胜微电子（上海）有限公司 应用于中国移动多媒体广播系统捕获控制逻辑信道的方法
EP2575281B1 (en) * 2010-01-11 2015-04-29 Electronics and Telecommunications Research Institute Carrier aggregation in wireless communication system
US8290074B2 (en) * 2010-01-21 2012-10-16 Mitsubishi Electric Research Laboratories, Inc. OFDM networks with pseudo-random phase precoding
US9407409B2 (en) * 2010-02-23 2016-08-02 Qualcomm Incorporated Channel state information reference signals
CN102611486B (zh) * 2011-01-19 2018-03-16 中兴通讯股份有限公司 一种扰码标识信令组的通知方法及系统
EP2757720A1 (en) * 2013-01-16 2014-07-23 Alcatel Lucent Robust downlink control channel communication based on repetition of MIB over P-BCH
JP2016149583A (ja) * 2013-06-06 2016-08-18 シャープ株式会社 端末装置、基地局装置、無線通信システムおよび通信方法
US10080159B2 (en) * 2014-06-24 2018-09-18 Qualcomm Incorporated Dynamic bandwidth management for load-based equipment in unlicensed spectrum
US9716536B2 (en) 2015-03-19 2017-07-25 Mitsubishi Electric Research Laboratories, Inc. System and method for wireless communications over fading channels
US11190327B2 (en) * 2016-04-15 2021-11-30 Apple Inc. Frequency tracking for beamformed systems
US10531494B2 (en) * 2017-01-17 2020-01-07 Huawei Technologies Co., Ltd. Reference signal scrambling for random access
US10185415B2 (en) 2017-02-24 2019-01-22 Microsoft Technology Licensing, Llc Configurable communication protocol for communication between a stylus device and a host device
US10439753B2 (en) 2017-05-25 2019-10-08 Microsoft Technology Licensing, Llc Multi-protocol communications between host devices and stylus devices
CN110535586B (zh) * 2018-08-20 2022-07-15 中兴通讯股份有限公司 Prs的生成方法、相关装置及通信系统
CN111525981A (zh) * 2019-02-02 2020-08-11 索尼公司 接收设备、发送设备、通信方法以及介质
CN113892249B (zh) * 2019-05-22 2025-03-07 中兴通讯股份有限公司 用于数据调制中的伪序列插入的方法及装置

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817142A (en) * 1985-05-21 1989-03-28 Scientific Atlanta, Inc. Restoring framing in a communications system
US5282249A (en) * 1989-11-14 1994-01-25 Michael Cohen System for controlling access to broadcast transmissions
US6373858B1 (en) * 1997-04-21 2002-04-16 Hughes Electronics Corporation Burst format and associated signal processing to improve frequency and timing estimation for random access channels
KR100234330B1 (ko) * 1997-09-30 1999-12-15 윤종용 Ofdm 시스템 수신기의 보호 구간 종류 검출장치 및 그 방법
US6185265B1 (en) * 1998-04-07 2001-02-06 Worldspace Management Corp. System for time division multiplexing broadcast channels with R-1/2 or R-3/4 convolutional coding for satellite transmission via on-board baseband processing payload or transparent payload
JPH11298878A (ja) * 1998-04-08 1999-10-29 Nec Corp 画像スクランブル方法およびそれを実施する装置
US6535550B1 (en) * 1999-03-02 2003-03-18 Legerity, Inc. Transceiver with variable width cyclic prefix
US6831929B1 (en) * 1999-03-22 2004-12-14 Texas Instruments Incorporated Multistage PN code aquisition circuit and method
DE60045171D1 (de) * 1999-04-29 2010-12-09 Samsung Electronics Co Ltd Gerät und Verfahren zur Kanalsynchronisation in einem W-CDMA Kommunikationssystem
EP1429485B1 (en) * 1999-07-07 2007-09-05 Samsung Electronics Co., Ltd. Apparatus and method for generating scrambling code in an UMTS mobile communication system
US6822999B1 (en) * 1999-11-13 2004-11-23 Lg Electronics Inc. High-speed cell searching apparatus and method for communication system
CN1249935C (zh) * 2000-08-04 2006-04-05 交互数字技术公司 周期性小区搜索
US6956891B2 (en) * 2000-11-15 2005-10-18 Go-Cdma Limited Method and apparatus for non-linear code-division multiple access technology
US20020090024A1 (en) * 2000-11-15 2002-07-11 Tan Keng Tiong Method and apparatus for non-linear code-division multiple access technology
US6804220B2 (en) * 2001-05-07 2004-10-12 Qualcomm Incorporated Method and apparatus for generating control information for packet data
KR100479169B1 (ko) * 2001-10-26 2005-03-25 삼성전자주식회사 이동 통신 시스템의 셀 탐색 장치 및 방법
US6847630B2 (en) * 2001-11-09 2005-01-25 Qualcomm, Incorporated Communications in an asynchronous cellular wireless network
JP4195386B2 (ja) * 2001-11-20 2008-12-10 メディアテック インコーポレーテッド 再構成可能型コプロセッサを使用するスペクトル拡散信号処理の方法および装置
FR2840147B1 (fr) * 2002-05-24 2004-08-27 France Telecom Procedes de brouillage et de debrouillage de signal video, systeme, decodeur, serveur de diffusion, support de donnees pour la mise en oeuvre de ces procedes
US7593367B2 (en) * 2002-06-14 2009-09-22 Qualcomm Incorporated Frequency scan for CDMA acquisition
US7738437B2 (en) * 2003-01-21 2010-06-15 Nortel Networks Limited Physical layer structures and initial access schemes in an unsynchronized communication network
US20040223472A1 (en) * 2003-03-06 2004-11-11 Sankaran Sundar G. Data randomization in a wireless communication system
KR100856227B1 (ko) * 2003-12-15 2008-09-03 삼성전자주식회사 이동통신시스템에서의 송/수신장치 및 방법
KR100663489B1 (ko) * 2004-04-16 2007-01-02 삼성전자주식회사 직교 분할 다중 접속 시스템에서 셀 검출 방법 및 장치
US7386069B2 (en) * 2004-04-26 2008-06-10 Skyworks Solutions, Inc. Multiple simultaneous frequency and code acquisition for a code division multiple access (CDMA) communication system
US7269403B1 (en) * 2004-06-03 2007-09-11 Miao George J Dual-mode wireless and wired power line communications
US20060045169A1 (en) 2004-08-27 2006-03-02 Qualcomm Incorporated Coded-bit scrambling for multi-stream communication in a mimo channel
US8149685B2 (en) * 2004-09-03 2012-04-03 University Of South Florida Covert OFDM transmission using cyclic prefix
US8059776B2 (en) 2005-01-14 2011-11-15 Thomson Licensing Method and system for sub-chip resolution for secondary cell search
JP4555707B2 (ja) 2005-03-10 2010-10-06 富士通株式会社 拡散コード配置パターン特定方法、受信ユニット及び移動局
TWI280003B (en) * 2005-04-14 2007-04-21 Ind Tech Res Inst System and method for transmission diversity status detection
JP2006319765A (ja) 2005-05-13 2006-11-24 Mitsubishi Electric Corp Ｃｄｍａ用受信装置およびセルサーチ方法
US7769112B2 (en) * 2005-09-29 2010-08-03 Freescale Semiconductor, Inc. Method and system for generating wavelets
US7656850B2 (en) * 2005-10-11 2010-02-02 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for accelerated super 3G cell search
US7965759B2 (en) 2005-10-28 2011-06-21 Qualcomm Incorporated Synchronization codes for wireless communication
KR20070108316A (ko) * 2005-12-22 2007-11-09 한국전자통신연구원 Ｏｆｄｍ 셀룰라 시스템에서 동기채널 및 ｂｃｈ 를 위한송신 다이버시티 방법
US7859988B2 (en) * 2006-06-22 2010-12-28 Futurewei Technologies, Inc. System for flexible cyclic prefix length for preamble symbols in an OFDM based communication system
US7729315B2 (en) * 2006-06-23 2010-06-01 Telefonaktiebolaget L M Ericsson (Publ) System and method of performing cell measurements in a telecommunications system
US7558191B2 (en) * 2006-09-07 2009-07-07 Alcatel-Lucent Usa Inc. Method of OFDM communication using superposition coding
JP4444259B2 (ja) * 2006-10-03 2010-03-31 株式会社エヌ・ティ・ティ・ドコモ 下りリンクスクランブル方法および基地局装置
US8345713B2 (en) * 2006-10-25 2013-01-01 Verizon Patent And Licensing Inc. Methods and apparatus for content scrambling in a communications system
US7929624B2 (en) * 2006-10-26 2011-04-19 Telefonaktiebolaget L M Ericsson (Publ) Cell ID detection in cellular communication systems
US8649291B2 (en) * 2006-10-30 2014-02-11 Interdigital Technology Corporation Method and apparatus for implementing tracking area update and cell reselection in a long term evolution system
US8320360B2 (en) * 2006-11-06 2012-11-27 Motorola Mobility Llc Method and apparatus for fast cell search
US7693031B2 (en) * 2007-01-09 2010-04-06 Futurewei Technologies, Inc. Method and apparatus for achieving system acquisition and other signaling purposes using the preamble in an OFDM based communications system
US7965689B2 (en) * 2007-05-14 2011-06-21 Motorola Mobility, Inc. Reference sequence construction for fast cell search
KR101516017B1 (ko) * 2007-05-16 2015-05-04 삼성전자주식회사 무선통신시스템을 위한 파일럿 신호 송수신 방법 및 장치
US8971305B2 (en) * 2007-06-05 2015-03-03 Qualcomm Incorporated Pseudo-random sequence mapping in wireless communications
US8169992B2 (en) * 2007-08-08 2012-05-01 Telefonaktiebolaget Lm Ericsson (Publ) Uplink scrambling during random access
US20130165052A1 (en) * 2011-12-23 2013-06-27 Yao-Lung Chuang Method for adaptively performing radio link control within a network, and associated apparatus

Also Published As

Publication number Publication date
US9438397B2 (en) 2016-09-06
CN101682362B (zh) 2014-06-11
MX2009012900A (es) 2010-01-14
CA2687550A1 (en) 2008-12-11
WO2008151302A1 (en) 2008-12-11
CA2687550C (en) 2018-06-26
EP3591850A1 (en) 2020-01-08
KR20100028622A (ko) 2010-03-12
EP2168250A1 (en) 2010-03-31
EP3442130A1 (en) 2019-02-13
CN101682362A (zh) 2010-03-24
EP2168250B1 (en) 2018-09-26
ES2702787T3 (es) 2019-03-05
TW200908578A (en) 2009-02-16
US20080305788A1 (en) 2008-12-11
US8971305B2 (en) 2015-03-03
KR101099195B1 (ko) 2011-12-27
EP3591850B1 (en) 2025-08-06
JP2010530667A (ja) 2010-09-09
AU2008261025A1 (en) 2008-12-11
US20150172020A1 (en) 2015-06-18
IL202031A0 (en) 2010-06-16
BRPI0812328B1 (pt) 2020-03-24
EP3591850C0 (en) 2025-08-06
TWI380606B (en) 2012-12-21
JP5102353B2 (ja) 2012-12-19

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04B 1/707 , H04L 27/26

Ipc: H04J 11/00 (1974.07), H04L 25/03 (1974.07), H04L 2

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

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