BRPI0416666A - método e receptor para rastrear coerentemente um sinal de rádio, e, método para estimar variáncia de ruìdo de sìmbolos em um sinal de rádio - Google Patents

método e receptor para rastrear coerentemente um sinal de rádio, e, método para estimar variáncia de ruìdo de sìmbolos em um sinal de rádio

Info

Publication number
BRPI0416666A
BRPI0416666A BRPI0416666-3A BRPI0416666A BRPI0416666A BR PI0416666 A BRPI0416666 A BR PI0416666A BR PI0416666 A BRPI0416666 A BR PI0416666A BR PI0416666 A BRPI0416666 A BR PI0416666A
Authority
BR
Brazil
Prior art keywords
radio signal
receiver
samples
subcarriers
coherently
Prior art date
Application number
BRPI0416666-3A
Other languages
English (en)
Inventor
Brian William Kroeger
Paul James Peyla
Jeffrey S Baird
Original Assignee
Ibiquity Digital Corp
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 US10/715,582 external-priority patent/US7305056B2/en
Application filed by Ibiquity Digital Corp filed Critical Ibiquity Digital Corp
Priority to BR122018008727-7A priority Critical patent/BR122018008727B1/pt
Publication of BRPI0416666A publication Critical patent/BRPI0416666A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)

Abstract

"MéTODO E RECEPTOR PARA RASTREAR COERENTEMENTE UM SINAL DE RáDIO, E, MéTODO PARA ESTIMAR VARIáNCIA DE RUìDO DE SìMBOLOS EM UM SINAL DE RáDIO". Um método é provido para rastrear coerentemente um sinal de rádio incluindo uma pluralidade de sub-portadoras de referência moduladas digitalmente. O método inclui as etapas de receber símbolos transmitidos nas sub-portadoras de referência, combinar os símbolos de sub-portadora de referência com um conjugado de seqüência de referência conhecido para produzir uma pluralidade de amostras, filtrar em mediano as amostras para produzir amostras filtradas, e retificar as amostras para cada uma das subportadoras de referência através da pluralidade de sub-portadoras de referência para produzir uma estimativa de sinal de referência coerente para cada uma das sub-portadoras. Um receptor para rastrear coerentemente um sinal de rádio incluindo pelo menos uma portadora de referência modulada digitalmente também é provido.
BRPI0416666-3A 2003-11-18 2004-11-12 método e receptor para rastrear coerentemente um sinal de rádio, e, método para estimar variáncia de ruìdo de sìmbolos em um sinal de rádio BRPI0416666A (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122018008727-7A BR122018008727B1 (pt) 2003-11-18 2004-11-12 método para estimar variância de ruído de símbolos em um sinal de rádio

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/715,582 US7305056B2 (en) 2003-11-18 2003-11-18 Coherent tracking for FM in-band on-channel receivers
US10/874,681 US7724850B2 (en) 2003-11-18 2004-06-23 Coherent track for FM IBOC receiver using a switch diversity antenna system
PCT/US2004/037944 WO2005050865A2 (en) 2003-11-18 2004-11-12 Coherent tracking for fm iboc receiver using a switch diversity antenna system

Publications (1)

Publication Number Publication Date
BRPI0416666A true BRPI0416666A (pt) 2007-01-16

Family

ID=34623337

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416666-3A BRPI0416666A (pt) 2003-11-18 2004-11-12 método e receptor para rastrear coerentemente um sinal de rádio, e, método para estimar variáncia de ruìdo de sìmbolos em um sinal de rádio

Country Status (10)

Country Link
EP (1) EP1685688A2 (pt)
JP (1) JP2007511980A (pt)
KR (1) KR20060100422A (pt)
AR (1) AR046710A1 (pt)
AU (1) AU2004311099B2 (pt)
BR (1) BRPI0416666A (pt)
CA (1) CA2545546A1 (pt)
NZ (1) NZ547929A (pt)
RU (1) RU2373660C2 (pt)
WO (1) WO2005050865A2 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8675631B2 (en) 2005-03-10 2014-03-18 Qualcomm Incorporated Method and system for achieving faster device operation by logical separation of control information
US8175123B2 (en) 2005-03-10 2012-05-08 Qualcomm Incorporated Collection window positioning using time tracking information
JP4776311B2 (ja) 2005-09-09 2011-09-21 Ｏｋｉセミコンダクタ株式会社 尤度補正器及び尤度補正方法
JP4852724B2 (ja) * 2005-10-17 2012-01-11 エスティー‐エリクソン、ソシエテ、アノニム 信号対干渉＋雑音比推定器および方法、この推定器を有する移動体端末
US7623607B2 (en) 2005-10-31 2009-11-24 Qualcomm Incorporated Methods and apparatus for determining timing in a wireless communication system
US8948329B2 (en) 2005-12-15 2015-02-03 Qualcomm Incorporated Apparatus and methods for timing recovery in a wireless transceiver
JP5161243B2 (ja) * 2007-02-02 2013-03-13 エルジー エレクトロニクス インコーポレイティド アンテナスイッチング方法、信号送信方法及びアンテナ選択情報生成方法
JP5114315B2 (ja) * 2008-06-27 2013-01-09 京楽産業．株式会社 多重伝送装置及び多重伝送方法
JP5216440B2 (ja) * 2008-06-27 2013-06-19 京楽産業．株式会社 多重伝送装置及び多重伝送方法
CN101651469B (zh) * 2008-08-15 2013-07-24 三星电子株式会社 用于lte系统中发送上行监测参考符号的跳频方法
CN103141095B (zh) * 2010-07-26 2017-02-15 联合大学公司 串行化数据流中的统计字边界检测
JP5828215B2 (ja) * 2011-03-31 2015-12-02 ソニー株式会社 受信装置、受信方法、およびプログラム
EP2533453B1 (en) * 2011-06-10 2015-08-19 Sony Corporation Apparatus and method for transmitting and receiving in a multi carrier transmission system
RU2531387C2 (ru) * 2013-02-05 2014-10-20 Открытое акционерное общество "Омский научно-исследовательский институт приборостроения" (ОАО "ОНИИП") Способ обнаружения сигналов с линейной частотной модуляцией
JP6475946B2 (ja) * 2014-09-29 2019-02-27 日本放送協会 デジタルワイヤレスマイク用受信装置
RU2611987C1 (ru) * 2015-10-15 2017-03-01 Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет путей сообщения Императора Николая II", МГУПС (МИИТ) Детектор частотно-модулированных колебаний
EP3244550A1 (en) * 2016-05-13 2017-11-15 Nxp B.V. A receiver circuit for co-channel interference compensation in adjacent bands

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH077464A (ja) * 1993-06-16 1995-01-10 Saakit Design:Kk ダイバーシティー受信機
JP3768006B2 (ja) * 1998-05-26 2006-04-19 日本放送協会 ダイバーシチ受信機
EP1047236A1 (de) * 1999-04-22 2000-10-25 Abb Research Ltd. Synchronisation in einem Datenübertragungssystem mittels Fast Fourier Transformation
US7133474B2 (en) * 2001-07-31 2006-11-07 Motorola, Inc. Method and system for timing recovery and delay spread estimation in a communication system

Also Published As

Publication number Publication date
WO2005050865A2 (en) 2005-06-02
EP1685688A2 (en) 2006-08-02
RU2006121497A (ru) 2007-12-27
AU2004311099A1 (en) 2005-06-02
KR20060100422A (ko) 2006-09-20
NZ547929A (en) 2008-03-28
AU2004311099B2 (en) 2009-10-01
RU2373660C2 (ru) 2009-11-20
AR046710A1 (es) 2005-12-21
JP2007511980A (ja) 2007-05-10
CA2545546A1 (en) 2005-06-02
WO2005050865A3 (en) 2005-09-15

Similar Documents

Publication Publication Date Title
BRPI0416666A (pt) método e receptor para rastrear coerentemente um sinal de rádio, e, método para estimar variáncia de ruìdo de sìmbolos em um sinal de rádio
BR9810839A (pt) Processador de banda base para um receptor, métodos para processamento em um receptor e para recepção de sinais de rádio, radiorreceptor e estimador de canal de junção
TW200507507A (en) Phase locked loop for an OFDM system
CA2294216A1 (en) Receiving a spread spectrum signal
BR9713933A (pt) Processador de faixa base, receptor em um sistema de comunicação digital, receptor de rake, e, processos para processar sìmbolos de informação, para receber os mencionados sìmbolos de informação em um sistema de comunicação digital, para processar sìmbolos de informação e para processar amostras desespalhadas
BR9506390A (pt) Processador de pesquisa integrado e processo para receber um sinal compreendido de um grupo de sinais de chamada de espectro de propagação
EP1220505A3 (en) Use of a pilot tone for clock and carrier recovery in mutlicarrier transmission
EP1069725A3 (en) Spread spectrum, multicarrier transmission
EP1531592A3 (en) OFDM receiver
DE69128252D1 (de) Empfang von orthogonalen frequenzmultiplexsignalen
ATE522056T1 (de) Kanalverfolgung mit verstreuten pilotsignalen unter verwendung eines kalman-filters
WO2004102841A3 (en) Method and system for optical performance monitoring
EA200001064A1 (ru) Структура кадра и синхронизация частоты для систем с множеством несущих
IN2014DN04803A (pt)
DE69918945D1 (de) Empfänger für diskrete Mehrträger-modulierte Signale mit Fensterfunktion
RU2007129147A (ru) Сигналы, система и способ модуляции
CN106803818A (zh) 一种TD‑AltBOC信号的接收方法和装置
DE60035367D1 (de) Sucher mit programmierbarem signalangepasstem filter zum suchen nach mehreren pilotsignalen
JP6511676B2 (ja) スペクトラム拡散信号生成方法、生成装置、受信方法、および受信装置
ATE250305T1 (de) Ofdm-system mit sender-antennendiversity und vorentzerrung
MX2010002706A (es) Simbolos de radiobaliza multiplexados para un sistema de comunicacion inalambrica.
KR20120083250A (ko) 무선통신시스템의 셀 탐색에서 주파수 오프셋에 강한 심볼 동기 획득 장치 및 방법
NO20040937D0 (no) Demodulasjon av multiple baerefasemodulerte signaler.
WO2001026318A3 (en) Demodulator circuit for demapping a multi-carrier signal using channel state information
EP0871297A3 (en) Communication system, transmitter and receiver

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: H04L 27/26 (2006.01), H04B 7/08 (2006.01), H04L 25

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 18A 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 2696 DE 06-09-2022 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.