BRPI0818651A2 - Método para detectar um símbolo em um canal de rádio, e, dispositivo de comunicação. - Google Patents

Método para detectar um símbolo em um canal de rádio, e, dispositivo de comunicação.

Info

Publication number
BRPI0818651A2
BRPI0818651A2 BRPI0818651A BRPI0818651A2 BR PI0818651 A2 BRPI0818651 A2 BR PI0818651A2 BR PI0818651 A BRPI0818651 A BR PI0818651A BR PI0818651 A2 BRPI0818651 A2 BR PI0818651A2
Authority
BR
Brazil
Prior art keywords
symbol
detecting
communication device
radio channel
radio
Prior art date
Application number
Other languages
English (en)
Inventor
Bengt Lindoff
Bo Bernhardsson
Johan Nilsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BRPI0818651A2 publication Critical patent/BRPI0818651A2/pt
Publication of BRPI0818651B1 publication Critical patent/BRPI0818651B1/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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1081—Reduction of multipath noise
    • 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
    • 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
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • 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
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
BRPI0818651-0A 2007-10-15 2008-08-27 método para detectar um símbolo em um canal de rádio, método para identificar um id de célula em um sistema de comunicação sem fio, e, dispositivo de comunicação BRPI0818651B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP07118434.5A EP2051395B1 (en) 2007-10-15 2007-10-15 Communication device and method
EP07118434.5 2007-10-15
US98020907P 2007-10-16 2007-10-16
US60/980209 2007-10-16
PCT/EP2008/061179 WO2009049950A1 (en) 2007-10-15 2008-08-27 Communication device and method

Publications (2)

Publication Number Publication Date
BRPI0818651A2 true BRPI0818651A2 (pt) 2015-04-07
BRPI0818651B1 BRPI0818651B1 (pt) 2020-10-20

Family

ID=39315093

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0818651-0A BRPI0818651B1 (pt) 2007-10-15 2008-08-27 método para detectar um símbolo em um canal de rádio, método para identificar um id de célula em um sistema de comunicação sem fio, e, dispositivo de comunicação

Country Status (7)

Country Link
US (1) US8798213B2 (pt)
EP (1) EP2051395B1 (pt)
JP (1) JP5368457B2 (pt)
BR (1) BRPI0818651B1 (pt)
ES (1) ES2579778T3 (pt)
TW (1) TW200935771A (pt)
WO (1) WO2009049950A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8705440B2 (en) * 2009-01-15 2014-04-22 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for cell searching
CN102347783A (zh) * 2010-07-30 2012-02-08 富士通株式会社 在时分双工系统中进行同步检测的装置、方法及终端设备
US9232478B2 (en) * 2012-03-02 2016-01-05 Qualcomm Incorporated Frequency scan method for determining the system center frequency for LTE TDD
CN102685878B (zh) 2012-05-21 2014-12-10 华为技术有限公司 Lte小区同步位置检测方法和装置
US9473229B2 (en) * 2012-10-05 2016-10-18 Samsung Electronics Co., Ltd. High-throughput beamforming MIMO receiver for millimeter wave communication and method
GB2512127A (en) * 2013-03-21 2014-09-24 Sony Corp Communications device and method
GB2512126A (en) * 2013-03-21 2014-09-24 Sony Corp Infrastructure equipment, Mobile communications network, system and method
KR102332471B1 (ko) 2015-05-08 2021-11-30 삼성전자주식회사 동기 신호 검출을 위한 장치 및 방법
KR102412286B1 (ko) 2015-09-02 2022-06-23 삼성전자 주식회사 무선 통신 시스템에서 셀 아이디 결정 방법 및 장치

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881102A (en) * 1996-02-07 1999-03-09 Intel Corporation Method and apparatus for minimizing modem power while maximizing modem throughput
JP4255601B2 (ja) * 2000-06-14 2009-04-15 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同期確立方法
AU2001279160A1 (en) 2000-08-04 2002-02-18 Interdigital Technology Corporation Periodic cell search
US7245893B1 (en) * 2001-09-25 2007-07-17 Atheros Communications, Inc. Method and system for noise floor calibration and receive signal strength detection
US7065064B2 (en) * 2001-12-20 2006-06-20 Interdigital Technology Corporation Cell search using peak quality factors
JP3588089B2 (ja) * 2002-05-22 2004-11-10 松下電器産業株式会社 Ｃｄｍａ受信装置、移動局装置及び基地局装置
CN1512681A (zh) 2002-12-30 2004-07-14 皇家飞利浦电子股份有限公司 Tdd/cdma系统中下行链路的训练序列检测方法及装置
US7738437B2 (en) * 2003-01-21 2010-06-15 Nortel Networks Limited Physical layer structures and initial access schemes in an unsynchronized communication network
EP1780920B8 (en) 2003-02-05 2017-08-16 Intel Corporation Initial cell search in wireless communication systems
AU2004202550A1 (en) 2003-06-18 2005-01-13 Nec Australia Pty Ltd Cell search process for wireless communication system
US20050047537A1 (en) * 2003-08-29 2005-03-03 Ting-Yuan Cheng Method and system of signal path tracking
JP2008505557A (ja) * 2004-07-01 2008-02-21 スタッカート・コミュニケーションズ・インコーポレーテッド マルチバンド受信機同期
US7620099B2 (en) * 2005-07-28 2009-11-17 Broadcom Corporation WCDMA terminal baseband processing module having multi-path scanner module
US7688878B2 (en) * 2006-03-16 2010-03-30 The Boeing Company Method and device of peak detection in preamble synchronization for direct sequence spread spectrum communication
EP2005609B1 (en) * 2006-03-24 2018-10-10 Telefonaktiebolaget LM Ericsson (publ) Method and arrangement for managing a reference signal for uplink channel estimation in a communications system
KR20080016159A (ko) * 2006-08-17 2008-02-21 삼성전자주식회사 통신 시스템에서의 셀 탐색 방법 및 장치
KR100796010B1 (ko) * 2006-10-26 2008-01-21 한국전자통신연구원 이중모드를 지원하는 무선 송수신 시스템

Also Published As

Publication number Publication date
JP2011501487A (ja) 2011-01-06
EP2051395A1 (en) 2009-04-22
WO2009049950A1 (en) 2009-04-23
TW200935771A (en) 2009-08-16
US8798213B2 (en) 2014-08-05
ES2579778T3 (es) 2016-08-16
JP5368457B2 (ja) 2013-12-18
EP2051395B1 (en) 2016-04-13
BRPI0818651B1 (pt) 2020-10-20
US20100311346A1 (en) 2010-12-09

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Legal Events

Date Code Title Description
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: H04L 25/02 (1968.09), H04L 25/06 (1968.09), 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]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 20/10/2020, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2846 DE 22-07-2025 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.