BRPI0923726A2 - recuperação de banda base em redes sem fio, estações base transceptoras, e dispositivos de rede sem fio - Google Patents

recuperação de banda base em redes sem fio, estações base transceptoras, e dispositivos de rede sem fio

Info

Publication number
BRPI0923726A2
BRPI0923726A2 BRPI0923726A BRPI0923726A BRPI0923726A2 BR PI0923726 A2 BRPI0923726 A2 BR PI0923726A2 BR PI0923726 A BRPI0923726 A BR PI0923726A BR PI0923726 A BRPI0923726 A BR PI0923726A BR PI0923726 A2 BRPI0923726 A2 BR PI0923726A2
Authority
BR
Brazil
Prior art keywords
base stations
network devices
transceiver base
wireless network
wireless
Prior art date
Application number
BRPI0923726A
Other languages
English (en)
Inventor
Tim Kuechler
Original Assignee
Nortel Networks Ltd
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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of BRPI0923726A2 publication Critical patent/BRPI0923726A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • 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
    • H04L1/205—Arrangements for detecting or preventing errors in the information received using signal quality detector jitter monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • 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
    • H04L25/067—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H04L7/007—Detection of the synchronisation error by features other than the received signal transition detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H04L7/0062—Detection of the synchronisation error by features other than the received signal transition detection of error based on data decision error, e.g. Mueller type detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BRPI0923726A 2008-12-26 2009-11-19 recuperação de banda base em redes sem fio, estações base transceptoras, e dispositivos de rede sem fio BRPI0923726A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/344,398 US8199702B2 (en) 2008-12-26 2008-12-26 Baseband recovery in wireless networks, base transceiver stations, and wireless networking devices
PCT/CA2009/001673 WO2010071977A1 (en) 2008-12-26 2009-11-19 Baseband recovery in wireless networks, base transceiver stations, and wireless networking devices

Publications (1)

Publication Number Publication Date
BRPI0923726A2 true BRPI0923726A2 (pt) 2016-01-19

Family

ID=42284869

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0923726A BRPI0923726A2 (pt) 2008-12-26 2009-11-19 recuperação de banda base em redes sem fio, estações base transceptoras, e dispositivos de rede sem fio

Country Status (9)

Country Link
US (2) US8199702B2 (pt)
EP (1) EP2371160A4 (pt)
JP (1) JP5421389B2 (pt)
KR (1) KR101585285B1 (pt)
CN (1) CN102265667B (pt)
BR (1) BRPI0923726A2 (pt)
CA (1) CA2746828C (pt)
RU (1) RU2518204C2 (pt)
WO (1) WO2010071977A1 (pt)

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US8761325B2 (en) 2010-06-28 2014-06-24 Ben WILLCOCKS Digital receivers
US8750444B2 (en) * 2011-05-06 2014-06-10 Northrop Grumman Systems Corporation Snapshot processing of timing data
CN104106229A (zh) * 2012-02-10 2014-10-15 中兴通讯(美国)公司 用于结合相干检测和数字信号处理的系统和方法
CN102917279B (zh) * 2012-09-27 2016-05-25 大唐微电子技术有限公司 一种亚音频匹配方法和终端
KR102139721B1 (ko) * 2013-08-29 2020-07-30 삼성전자주식회사 다중 경로 프로토콜에서 이중으로 네트워크 코딩을 적용하는 방법 및 그 장치
US9450848B1 (en) * 2014-08-27 2016-09-20 Marvell International Ltd. Methods and apparatus for adjusting a phase of a transmitted signal based on an evaluation of an eye opening in an eye diagram
KR102408468B1 (ko) * 2017-02-21 2022-06-14 메이븐 와이어리스 스웨덴 에이비 멀티-오퍼레이터 네트워크를 위한 분산형 안테나 시스템
US10367594B2 (en) 2017-06-07 2019-07-30 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Method and apparatus for fine timing offset estimation
US10447509B1 (en) * 2018-08-23 2019-10-15 Credo Technology Group Limited Precompensator-based quantization for clock recovery
KR20200032807A (ko) * 2018-09-18 2020-03-27 삼성디스플레이 주식회사 수신기 및 이를 포함하는 송수신기
US10805023B2 (en) * 2019-03-06 2020-10-13 Pc-Tel, Inc. Systems and methods for measuring wireless signal quality
US10796555B1 (en) * 2019-04-01 2020-10-06 The Boeing Company Proximity detection in assembly environments having machinery
CN111194077B (zh) * 2019-12-17 2021-09-14 北京航空航天大学杭州创新研究院 一种低采样率下的定时同步方法

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US5566213A (en) 1995-03-09 1996-10-15 Motorola, Inc. Selective call receiving device with improved symbol decoding and automatic frequency control
IL134287A0 (en) * 1997-07-31 2001-04-30 Stanford Syncom Inc Means and method for a synchronous network communications system
KR100265735B1 (ko) 1997-11-25 2000-09-15 윤종용 Fft윈도우위치복원과샘플링클럭제어가연동되는ofdm수신장치및그방법
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US6347127B1 (en) 1999-05-10 2002-02-12 Motorola, Inc. Method and apparatus for multi-symbol matched filter estimation of an evaluation symbol in a received signal having a predictable inter-symbol interference
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US7103115B2 (en) * 2001-05-21 2006-09-05 At&T Corp. Optimum training sequences for wireless systems
US6912244B2 (en) * 2002-01-31 2005-06-28 Qualcomm Inc. Pilot frequency acquisition based on a window of data samples
US6795510B2 (en) 2002-04-12 2004-09-21 Thomson Licensing S.A. Apparatus and method for symbol timing recovery
US7403584B2 (en) * 2003-12-31 2008-07-22 Intel Corporation Programmable phase interpolator adjustment for ideal data eye sampling
US7038602B1 (en) * 2004-10-30 2006-05-02 Agilent Technologies, Inc. Method for correcting periodic sampling errors
KR100787568B1 (ko) 2005-01-07 2007-12-21 포스데이타 주식회사 높은 대역 효율의 고차 변조 시스템을 위한 심볼 타이밍동기 검출 장치 및 검출 방법
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Also Published As

Publication number Publication date
EP2371160A4 (en) 2012-11-14
KR101585285B1 (ko) 2016-01-13
US20100165915A1 (en) 2010-07-01
US8199702B2 (en) 2012-06-12
WO2010071977A1 (en) 2010-07-01
US20120213257A1 (en) 2012-08-23
US8576782B2 (en) 2013-11-05
EP2371160A1 (en) 2011-10-05
CN102265667B (zh) 2014-04-16
JP2012514352A (ja) 2012-06-21
KR20110108335A (ko) 2011-10-05
JP5421389B2 (ja) 2014-02-19
CA2746828C (en) 2018-08-28
RU2011120056A (ru) 2013-02-10
RU2518204C2 (ru) 2014-06-10
CN102265667A (zh) 2011-11-30
CA2746828A1 (en) 2010-07-01

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B25B Requested transfer of rights rejected

Owner name: NORTEL NETWORKS LIMITED (CA)