BRPI0915769A2 - método e sistema para a detecção de uma interferência de canal adjacente para acesso sem fio de banda larga baseado em ofdm/ofma - Google Patents

método e sistema para a detecção de uma interferência de canal adjacente para acesso sem fio de banda larga baseado em ofdm/ofma

Info

Publication number
BRPI0915769A2
BRPI0915769A2 BRPI0915769A BRPI0915769A BRPI0915769A2 BR PI0915769 A2 BRPI0915769 A2 BR PI0915769A2 BR PI0915769 A BRPI0915769 A BR PI0915769A BR PI0915769 A BRPI0915769 A BR PI0915769A BR PI0915769 A2 BRPI0915769 A2 BR PI0915769A2
Authority
BR
Brazil
Prior art keywords
ofma
ofdm
wireless access
adjacent channel
channel interference
Prior art date
Application number
BRPI0915769A
Other languages
English (en)
Inventor
Peilu Ding
Ravindra P Moorut
Xiang Chen
Xiaowei Jin
Ying Cai
Original Assignee
Motorola Mobility 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 Motorola Mobility Inc filed Critical Motorola Mobility Inc
Publication of BRPI0915769A2 publication Critical patent/BRPI0915769A2/pt
Publication of BRPI0915769B1 publication Critical patent/BRPI0915769B1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
    • 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
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
BRPI0915769-7A 2008-07-14 2009-07-10 método em um sistema de comunicação e receptor sem fio BRPI0915769B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/172,462 US7848221B2 (en) 2008-07-14 2008-07-14 Method and system for detecting adjacent channel interference from OFDM/OFDMA based broadband wireless access
US12/172,462 2008-07-14
PCT/US2009/050182 WO2010009004A2 (en) 2008-07-14 2009-07-10 Method and system for detecting adjacent channel interference for ofdm/ofdma based broadband wireless access

Publications (2)

Publication Number Publication Date
BRPI0915769A2 true BRPI0915769A2 (pt) 2015-11-03
BRPI0915769B1 BRPI0915769B1 (pt) 2020-10-13

Family

ID=41505057

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0915769-7A BRPI0915769B1 (pt) 2008-07-14 2009-07-10 método em um sistema de comunicação e receptor sem fio

Country Status (8)

Country Link
US (1) US7848221B2 (pt)
EP (1) EP2301215B1 (pt)
KR (1) KR101238494B1 (pt)
CN (1) CN102100047B (pt)
BR (1) BRPI0915769B1 (pt)
MX (1) MX2011000547A (pt)
RU (1) RU2491743C2 (pt)
WO (1) WO2010009004A2 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8285322B2 (en) * 2008-08-08 2012-10-09 Motorola Mobility Llc Minimizing inter-femtocell downlink interference
US8401479B2 (en) * 2008-08-08 2013-03-19 Motorola Mobility Llc Managing interference from femtocells
US9143286B2 (en) * 2010-01-19 2015-09-22 Nitero Pty Limited Estimation of signal to noise ratio in receivers
CN102238111A (zh) * 2010-04-23 2011-11-09 中兴通讯股份有限公司 一种信号干扰检测方法及装置
US20130142177A1 (en) * 2010-06-02 2013-06-06 Nokia Corporation Method and apparatus for adjacent-channel emission limit depending on synchronization of interfered receiver
KR101418995B1 (ko) 2010-09-08 2014-07-11 한국전자통신연구원 다중대역 직교 주파수분할 다중방식 초광대역 통신 시스템에서의 피 간섭 신호 검출 시스템 및 방법
EP2630760B1 (en) 2010-10-20 2019-07-24 Nokia Technologies Oy Method and apparatus for adjacent channel emission limit
WO2012165751A1 (ko) * 2011-06-03 2012-12-06 엘지전자 주식회사 전력 검출을 이용한 데이터 송신 방법 및 그 장치
US8995918B2 (en) 2011-11-14 2015-03-31 Motorola Solutions, Inc. Mitigating transmission interference between digital radio and broadband communication devices
US10264587B2 (en) 2012-01-17 2019-04-16 Motorola Solutions, Inc. Collaborative interference mitigation between physically-proximate narrowband and broadband communication devices
CN103458415B (zh) * 2012-05-28 2016-12-28 华为技术有限公司 虚子载波动态设置方法、接收方法和装置及系统
CN103795427B (zh) * 2012-10-31 2016-11-09 国际商业机器公司 无线通信系统的抗干扰方法和装置
BR112015019626B1 (pt) * 2013-02-22 2022-08-16 Sony Corporation Aparelhos de controle de comunicação, e, método de controle de comunicação
CN105453628B (zh) * 2013-08-21 2020-09-04 索尼公司 通信控制装置和无线通信装置
FR3026541A1 (fr) * 2014-09-29 2016-04-01 Parrot Systeme de restitution sonore avec casques audio dotes de processeurs sonores, composants d'un tel systeme et procede associe
US9407300B2 (en) * 2014-10-15 2016-08-02 Qualcomm Incorporated Adjacent-channel interference and spur handling in wireless communications
SG10201506538RA (en) * 2015-08-19 2017-03-30 Huawei Internat Pte Ltd Method and device for reducing adjacent channel interference in wlan system
US10247436B2 (en) * 2016-09-07 2019-04-02 Solarcity Corporation Systems and methods for controlling operations of a heating and cooling system
TWI646797B (zh) * 2017-09-01 2019-01-01 晨星半導體股份有限公司 符號率估計裝置、符號率估計方法與鄰近通道干擾偵測裝置
TWI650999B (zh) * 2017-09-13 2019-02-11 晨星半導體股份有限公司 應用於顯示裝置的電路及相關的訊號處理方法
US10873951B1 (en) 2019-06-04 2020-12-22 Motorola Solutions, Inc. Method and device to minimize interference in a converged LMR/LTE communication device
US12308896B2 (en) * 2021-10-15 2025-05-20 Cypress Semiconductor Corporation Systems, methods, and devices for channel interference detection in wireless devices
US20230252865A1 (en) * 2022-02-09 2023-08-10 Cirrus Logic International Semiconductor Ltd. Interference mitigation in an impedance sensing system
WO2025195592A1 (en) 2024-03-20 2025-09-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and node for adjacent channel interference protection

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6035000A (en) * 1996-04-19 2000-03-07 Amati Communications Corporation Mitigating radio frequency interference in multi-carrier transmission systems
US7082113B1 (en) * 1998-09-18 2006-07-25 Lucent Technologies, Inc. TDMA communication system and method including discontinuous modulation for reducing adjacent and co-channel interference
RU2149512C1 (ru) * 1999-02-04 2000-05-20 Военный университет связи Способ радиоподавления каналов связи
DE50013268D1 (de) * 1999-05-21 2006-09-14 Benq Corp Verfahren zum filtern eines mobilfunksignals und entsprechender mobilfunk-empfänger
US6456653B1 (en) * 1999-08-25 2002-09-24 Lucent Technologies Inc. Fast and accurate signal-to-noise ratio estimation technique for OFDM systems
US6671340B1 (en) * 2000-06-15 2003-12-30 Ibiquity Digital Corporation Method and apparatus for reduction of interference in FM in-band on-channel digital audio broadcasting receivers
US6901243B2 (en) 2001-11-08 2005-05-31 Qualcomm, Incorporated Method and apparatus for mitigating adjacent channel interference in a wireless communication system
US7151755B2 (en) * 2002-08-23 2006-12-19 Navini Networks, Inc. Method and system for multi-cell interference reduction in a wireless communication system
US7221722B2 (en) * 2003-02-27 2007-05-22 Motorola, Inc. Method and apparatus for reducing interference within a communication system
US20040218519A1 (en) * 2003-05-01 2004-11-04 Rong-Liang Chiou Apparatus and method for estimation of channel state information in OFDM receivers
US8477592B2 (en) * 2003-05-14 2013-07-02 Qualcomm Incorporated Interference and noise estimation in an OFDM system
US6934246B2 (en) * 2003-06-16 2005-08-23 Motorola, Inc. System and method for reducing adjacent channel interference (ACI) in a multicarrier modulation system
US7103106B2 (en) * 2003-06-16 2006-09-05 Motorola, Inc. System and method for generating a modified IOTA pulse for reducing adjacent channel interference (ACI) in an isotropic orthogonal transfer algorithm (IOTA) orthogonal frequency division multiplexing (OFDM) system
KR100713436B1 (ko) * 2004-10-28 2007-05-07 삼성전자주식회사 통신 시스템에서 ｃｉｎｒ 추정 장치 및 방법
US20070036064A1 (en) * 2005-08-09 2007-02-15 Samsung Electronics Co., Ltd. Apparatus and method for estimating CINR in an OFDM communication system
WO2007021159A2 (en) * 2005-08-19 2007-02-22 Samsung Electronics Co., Ltd. Cinr estimating method and device using preamble in ofdm
KR20070059483A (ko) * 2005-12-06 2007-06-12 삼성전자주식회사 간섭제거 직교 주파수 분할 다중접속 수신기의 디지털 이득조정기 및 그 방법
TWI392253B (zh) * 2007-03-13 2013-04-01 Ite Tech Inc 於頻域中估測雜訊功率的裝置與方法
US8295418B2 (en) * 2007-03-15 2012-10-23 Qualcomm Incorporated Adjacent channel interference detection for wireless communication
US20090190641A1 (en) * 2008-01-28 2009-07-30 Yen-Wen Yang Methods and devices for processing signals transmitted via communication system

Also Published As

Publication number Publication date
RU2011105149A (ru) 2012-08-20
KR20110030581A (ko) 2011-03-23
CN102100047A (zh) 2011-06-15
RU2491743C2 (ru) 2013-08-27
WO2010009004A2 (en) 2010-01-21
MX2011000547A (es) 2011-02-24
EP2301215B1 (en) 2016-09-07
KR101238494B1 (ko) 2013-03-04
US7848221B2 (en) 2010-12-07
EP2301215A2 (en) 2011-03-30
EP2301215A4 (en) 2014-08-20
WO2010009004A3 (en) 2010-03-11
CN102100047B (zh) 2015-11-25
US20100008217A1 (en) 2010-01-14
BRPI0915769B1 (pt) 2020-10-13

Similar Documents

Publication Publication Date Title
BRPI0915769A2 (pt) método e sistema para a detecção de uma interferência de canal adjacente para acesso sem fio de banda larga baseado em ofdm/ofma
BRPI1014414A2 (pt) calibragem de canal sem fio
BRPI1009895A2 (pt) sistemas, aparelho e métodos para gerenciamento interferência em redes sem fio
BRPI1013575A2 (pt) sistema de localização sem fio independente de rede
BR112012002552A2 (pt) método e sistema para emparelhamento de dispositivo sem fio de campo proximo
BRPI0822523A2 (pt) método e sistema para adaptar correção antecipada de erro multicast através de redes sem fio
BRPI0815159A2 (pt) Método de transmissão dados em sistema de acesso sem fio
EP2455317A4 (en) ADMINISTRATIVE SYSTEM FOR A FIRM WELDING MACHINE AND FIRED WIRE DEVELOPER
BR112012018094A2 (pt) método e aparelho para assegurar nós de retransmissão sem fio
BRPI0909743A2 (pt) método para atribuição do canal físico indicador de solicitação de retransmissão (arq) híbrida em sistemas de banda larga sem fio
BRPI0906215A2 (pt) método e sistema para inserção de conteúdo segmentado
BRPI1009353A2 (pt) métodos e aparelho para mitigação de interferência de canal adjacente em estações base de ponto de acesso
EP2289244A4 (en) CHANNEL STACKING SYSTEM AND METHOD OF OPERATING
BR112012016755A2 (pt) método para sinalizar a configuração de um canal campartilhado de uplink físico e sistema para sinalizar a configuração de um canal campartilhado de uplink físico
BRPI0822587A2 (pt) Sistema de canal
BR112012025799A2 (pt) método para a transmissão de dados de canal em uma rede sem fiosm sistema para a transmissão de dados de canal em uma rede sem fios e estação de transmissão
BRPI0906756A2 (pt) Método e equipamento para identificação de canal em um sistema de comunicação sem fio
BR112012032963A2 (pt) método e aparelho para detectar bloqueio de dispositivo de ventilação
BRPI0924662B8 (pt) método e aparelho de sincronização de uplink
IL216410A (en) Method and device for poultry rearing
PT2456123T (pt) Método e sistema para a abertura/bloqueio de serviço
BR112012003568A2 (pt) método e sistema para enviar sinais de referência de medição de canal
BR112013012496A2 (pt) sistema de fundo de poço tendo uma unidade sem fio
BRPI0812008A2 (pt) Técnicas para gerenciar dispositivos sem fio de canal dual
BR112013004073A2 (pt) método e sistema de reserva de canais

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: MOTOROLA MOBILITY LLC (US)

B25G Requested change of headquarter approved

Owner name: MOTOROLA MOBILITY LLC (US)

B25A Requested transfer of rights approved

Owner name: GOOGLE TECHNOLOGY HOLDINGS LLC (US)

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: H04L 27/26 , H04J 11/00

Ipc: H04B 1/10 (1968.09), H04J 11/00 (1974.07), H04L 1/

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 13/10/2020, 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 13A 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 2678 DE 03-05-2022 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.