BR9813306A - Avaliação de canal de transmissão em sistemas de telecomunicação com telecomunicação sem fio - Google Patents

Avaliação de canal de transmissão em sistemas de telecomunicação com telecomunicação sem fio

Info

Publication number
BR9813306A
BR9813306A BR9813306-3A BR9813306A BR9813306A BR 9813306 A BR9813306 A BR 9813306A BR 9813306 A BR9813306 A BR 9813306A BR 9813306 A BR9813306 A BR 9813306A
Authority
BR
Brazil
Prior art keywords
telecommunication
transmission channel
wireless
channel evaluation
systems
Prior art date
Application number
BR9813306-3A
Other languages
English (en)
Inventor
Anja Klein
Markus Nasshan
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BR9813306A publication Critical patent/BR9813306A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • 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
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

Patente de Invenção: <B>"AVALIAçãO DE CANAL DE TRANSMISSãO EM SISTEMAS DE TELECOMUNICAçãO COM TELECOMUNICAçãO SEM FIO"<D>. Para aperfeiçoar, simplificar e otimizar a avaliação de canais de transmissão sem fio em sistemas de telecomunicação, as correlações de distintas respostas de impulso de canal são aproveitadas de maneira distinta.
BR9813306-3A 1997-10-27 1998-09-30 Avaliação de canal de transmissão em sistemas de telecomunicação com telecomunicação sem fio BR9813306A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19747369A DE19747369A1 (de) 1997-10-27 1997-10-27 Übertragungskanalschätzung in Telekommunikationssystemen mit drahtloser Telekommunikation
PCT/DE1998/002894 WO1999022454A2 (de) 1997-10-27 1998-09-30 Übertragungskanalschätzung in telekommunikationssystemen mit drahtloser telekommunikation

Publications (1)

Publication Number Publication Date
BR9813306A true BR9813306A (pt) 2000-11-28

Family

ID=7846731

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9813306-3A BR9813306A (pt) 1997-10-27 1998-09-30 Avaliação de canal de transmissão em sistemas de telecomunicação com telecomunicação sem fio

Country Status (11)

Country Link
US (1) US6795427B1 (pt)
EP (1) EP1038359A2 (pt)
JP (1) JP2001522157A (pt)
KR (1) KR20010031509A (pt)
CN (1) CN1153370C (pt)
AU (1) AU1223899A (pt)
BR (1) BR9813306A (pt)
CA (1) CA2308026A1 (pt)
DE (1) DE19747369A1 (pt)
RU (1) RU2235430C2 (pt)
WO (1) WO1999022454A2 (pt)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19917334A1 (de) * 1999-04-16 2000-10-26 Siemens Ag Mittambelstruktur für TD-CDMA-Mobilfunksysteme
DK1091533T3 (da) * 1999-10-07 2007-02-12 Bosch Gmbh Robert Fremgangsmåde og apparat til kanalestimering i et mobilt kommunikationssystem, især i en mobiltelefon
US8831130B1 (en) 1999-10-16 2014-09-09 Ipcom Gmbh & Co. Kg Channel estimate predicted from several previous channel estimates, for pre-equalization
AUPQ883200A0 (en) * 2000-07-18 2000-08-10 Telefonaktiebolaget Lm Ericsson (Publ) Telecommunication system and method of communicating protocol information
DE10115583B4 (de) * 2001-03-29 2012-07-12 Siemens Ag Verfahren und Vorrichtung zur Bildung eines Ähnlichkeitsmaßesund Kanalschätzung mittels Ähnlichkeitsmaß
US20020183010A1 (en) * 2001-06-05 2002-12-05 Catreux Severine E. Wireless communication systems with adaptive channelization and link adaptation
US7068631B2 (en) * 2001-08-06 2006-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Training sequence hopping in a radio communication system
US7346126B2 (en) 2001-11-28 2008-03-18 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for channel estimation using plural channels
US7039001B2 (en) 2002-10-29 2006-05-02 Qualcomm, Incorporated Channel estimation for OFDM communication systems
US7042857B2 (en) 2002-10-29 2006-05-09 Qualcom, Incorporated Uplink pilot and signaling transmission in wireless communication systems
US20040114681A1 (en) * 2002-12-17 2004-06-17 Ron Rotstein Method for improving performance of wireless systems at high speeds
CN100521667C (zh) * 2003-03-03 2009-07-29 三菱电机株式会社 获取接收到的脉冲无线电信号的方法、系统和装置
US7177297B2 (en) 2003-05-12 2007-02-13 Qualcomm Incorporated Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
JP2005135032A (ja) * 2003-10-28 2005-05-26 Toshiba Corp ネットワーク情報設定方法、ネットワークシステム、ならびに通信端末装置
US8611283B2 (en) 2004-01-28 2013-12-17 Qualcomm Incorporated Method and apparatus of using a single channel to provide acknowledgement and assignment messages
US8891349B2 (en) 2004-07-23 2014-11-18 Qualcomm Incorporated Method of optimizing portions of a frame
US8238923B2 (en) 2004-12-22 2012-08-07 Qualcomm Incorporated Method of using shared resources in a communication system
US8831115B2 (en) 2004-12-22 2014-09-09 Qualcomm Incorporated MC-CDMA multiplexing in an orthogonal uplink
US8175123B2 (en) * 2005-03-10 2012-05-08 Qualcomm Incorporated Collection window positioning using time tracking information
RU2286025C1 (ru) * 2005-06-15 2006-10-20 Игорь Борисович Дунаев Способ передачи и приема сигналов квадратурной амплитудной модуляции, система для его осуществления, машиночитаемый носитель и применение способа для синхронизации приема сигналов квадратурной амплитудной модуляции
US8619884B2 (en) 2005-09-02 2013-12-31 Qualcomm Incorporated Communication channel estimation
CN1980103B (zh) * 2005-12-08 2012-02-29 中兴通讯股份有限公司 一种收发信机指标的测试装置及系统
EP1816813A1 (en) * 2006-01-23 2007-08-08 Koninklijke Philips Electronics N.V. Estimation of length of channel impulse response
US8681810B2 (en) 2006-04-13 2014-03-25 Qualcomm Incorporated Dynamic carrier sensing thresholds
WO2007121451A2 (en) 2006-04-17 2007-10-25 Qualcomm Incorporated Noise estimation for wireless communication
US7974360B2 (en) 2006-05-24 2011-07-05 Qualcomm Incorporated Multi input multi output (MIMO) orthogonal frequency division multiple access (OFDMA) communication system
US8428197B2 (en) 2006-06-01 2013-04-23 Qualcomm Incorporated Enhanced channel estimation for communication system receiver
US8477593B2 (en) 2006-07-28 2013-07-02 Qualcomm Incorporated Method and apparatus for sending signaling for data transmission in a wireless communication system
US8085873B2 (en) 2007-01-02 2011-12-27 Qualcomm, Incorporated Systems and methods for enhanced channel estimation in wireless communication systems
US8913695B2 (en) 2007-03-12 2014-12-16 Qualcomm Incorporated Hybrid pilot configuration
US9071414B2 (en) 2007-03-23 2015-06-30 Qualcomm Incorporated Method and apparatus for distinguishing broadcast messages in wireless signals
CN101222274B (zh) 2008-01-25 2013-02-27 中兴通讯股份有限公司 时分双工系统中同步信号的发送方法和装置
CN101795491A (zh) * 2010-02-01 2010-08-04 中兴通讯股份有限公司 一种估计终端速度的方法及装置、终端和基站
CN101808070A (zh) * 2010-04-13 2010-08-18 北京大学 一种ofdm系统接收机及其移动速度估计方法
CN102238569B (zh) * 2010-04-22 2014-08-27 中兴通讯股份有限公司 估计终端移动速度的方法和装置
CN102025680A (zh) * 2010-12-15 2011-04-20 华为技术有限公司 速度估计方法和装置
US9078205B2 (en) 2012-03-09 2015-07-07 Qualcomm Incorporated Methods and apparatus for enabling non-destaggered channel estimation
US9274912B2 (en) * 2014-05-16 2016-03-01 Verizon Patent And Licensing Inc. Simulating burst errors in mobile data communication network system level simulations
DE102014226141B4 (de) 2014-12-16 2016-08-25 Continental Automotive Gmbh Verfahren zum Empfang von Rundfunksignalen in einem Empfangsgerät und Empfangsgerät
AU2019356099B2 (en) * 2018-10-12 2022-05-12 Inventio Ag System and method for position determination in a building

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2748743B2 (ja) * 1991-10-01 1998-05-13 日本電気株式会社 データ受信方式
WO1993021719A1 (de) 1992-04-09 1993-10-28 Siemens Aktiengesellschaft Verfahren zur strukturierung eines b-feld formates im dect-standard
DE4233222C2 (de) 1992-10-02 1995-07-20 Siemens Ag Meßsystem (Channel Sounder) zur Untersuchung von Mobilfunkkanälen
FR2700086B1 (fr) * 1992-12-30 1995-04-28 Alcatel Radiotelephone Procédé de transmission d'informations à débit élevé par allocation multiple de blocs, procédé de réception associé et dispositif de réception pour sa mise en Óoeuvre.
FI108975B (fi) 1993-03-09 2002-04-30 Nokia Corp Opetusjakso digitaalisessa solukkopuhelinjärjestelmässä
FR2724084B1 (fr) * 1994-08-31 1997-01-03 Alcatel Mobile Comm France Systeme de transmission d'informations par un canal de transmission variant dans le temps, et equipements d'emission et de reception correspondants
DE19506109C1 (de) * 1995-02-22 1996-06-05 Siemens Ag Verfahren und Anordnung zur Schätzung der Impulsantwort eines Übertragungskanals
DE19506117C1 (de) * 1995-02-22 1996-08-08 Siemens Ag Verfahren und Anordnung zur Schätzung der Impulsantwort eines Übertragungskanals
CN1085019C (zh) * 1995-05-31 2002-05-15 西门子公司 蜂窝式无线电信系统的移动无线电接收设备
JPH10506775A (ja) * 1995-05-31 1998-06-30 ジーメンス アクティエンゲゼルシャフト セル方式の無線通信システム
DE19523327C2 (de) * 1995-06-27 2000-08-24 Siemens Ag Verfahren zur verbesserten Schätzung der Impulsantwort eines Übertragungskanals
EP0767543A3 (de) * 1995-10-06 2000-07-26 Siemens Aktiengesellschaft Kodemultiplexnachrichtenübertragung mit Interferenzunterdrückung
DE19616829C1 (de) * 1996-04-26 1997-04-24 Siemens Ag System zur Funkübertragung digitaler Signale zwischen mehreren Teilnehmerstationen und einer Basisstation
WO2001011797A1 (en) * 1999-08-10 2001-02-15 Airnet Communications Corporation Translating repeater system with improved backhaul efficiency

Also Published As

Publication number Publication date
WO1999022454A2 (de) 1999-05-06
CA2308026A1 (en) 1999-05-06
CN1153370C (zh) 2004-06-09
WO1999022454A3 (de) 1999-10-07
EP1038359A2 (de) 2000-09-27
KR20010031509A (ko) 2001-04-16
US6795427B1 (en) 2004-09-21
DE19747369A1 (de) 1999-05-06
JP2001522157A (ja) 2001-11-13
AU1223899A (en) 1999-05-17
CN1278376A (zh) 2000-12-27
RU2235430C2 (ru) 2004-08-27

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 8A E 9A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1954 DE 17/06/2008.