DE60022750D1 - Verfahren zur amplituden- und phasen-schätzung in einem drahtlosen kommunikationssystem - Google Patents

Verfahren zur amplituden- und phasen-schätzung in einem drahtlosen kommunikationssystem

Info

Publication number
DE60022750D1
DE60022750D1 DE60022750T DE60022750T DE60022750D1 DE 60022750 D1 DE60022750 D1 DE 60022750D1 DE 60022750 T DE60022750 T DE 60022750T DE 60022750 T DE60022750 T DE 60022750T DE 60022750 D1 DE60022750 D1 DE 60022750D1
Authority
DE
Germany
Prior art keywords
amplitude
enhance
channel
wireless communication
communication system
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60022750T
Other languages
English (en)
Other versions
DE60022750T2 (de
Inventor
Fuyun Ling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60022750D1 publication Critical patent/DE60022750D1/de
Publication of DE60022750T2 publication Critical patent/DE60022750T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7085Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0212Channel estimation of impulse response
    • H04L25/0214Channel estimation of impulse response of a single coefficient
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
DE60022750T 1999-05-12 2000-05-10 Verfahren zur amplituden- und phasen-schätzung in einem drahtlosen kommunikationssystem Expired - Lifetime DE60022750T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US310232 1999-05-12
US09/310,232 US6414988B1 (en) 1999-05-12 1999-05-12 Amplitude and phase estimation method in a wireless communication system
PCT/US2000/012792 WO2000070773A2 (en) 1999-05-12 2000-05-10 Amplitude and phase estimation method in a wireless communication system

Publications (2)

Publication Number Publication Date
DE60022750D1 true DE60022750D1 (de) 2006-02-02
DE60022750T2 DE60022750T2 (de) 2006-07-06

Family

ID=23201550

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60022750T Expired - Lifetime DE60022750T2 (de) 1999-05-12 2000-05-10 Verfahren zur amplituden- und phasen-schätzung in einem drahtlosen kommunikationssystem

Country Status (17)

Country Link
US (2) US6414988B1 (de)
EP (1) EP1177661B1 (de)
JP (3) JP4777517B2 (de)
KR (1) KR100780579B1 (de)
CN (1) CN1233136C (de)
AT (1) ATE305198T1 (de)
AU (1) AU769552B2 (de)
BR (1) BR0010421B1 (de)
CA (2) CA2374282C (de)
DE (1) DE60022750T2 (de)
HK (1) HK1060669A1 (de)
IL (1) IL146266A0 (de)
MX (1) MXPA01011492A (de)
NO (1) NO326935B1 (de)
RU (1) RU2271068C2 (de)
UA (1) UA64029C2 (de)
WO (1) WO2000070773A2 (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6173007B1 (en) * 1997-01-15 2001-01-09 Qualcomm Inc. High-data-rate supplemental channel for CDMA telecommunications system
JPH11261958A (ja) * 1998-03-09 1999-09-24 Sony Corp 映像編集装置及び映像編集方法
US6414988B1 (en) * 1999-05-12 2002-07-02 Qualcomm Incorporated Amplitude and phase estimation method in a wireless communication system
KR100450791B1 (ko) * 1999-07-13 2004-10-01 삼성전자주식회사 씨디엠에이 복조방법 및 복조기
ATE270796T1 (de) * 1999-07-15 2004-07-15 Infineon Technologies Ag Verfahren zur schätzung der kanalimpulsantwort eines mobilfunkkanals
US6785554B1 (en) * 1999-09-15 2004-08-31 Qualcomm Incorporated Modified finger assignment algorithm for high data rate calls
US6829290B1 (en) * 1999-09-28 2004-12-07 Texas Instruments Incorporated Wireless communications system with combining of multiple paths selected from correlation to the primary synchronization channel
US6831956B1 (en) 1999-09-28 2004-12-14 Texas Instruments Incorporated Wireless communications system with combining of multiple paths selected from sub-windows in response to the primary synchronization channel
JP4813723B2 (ja) * 1999-12-01 2011-11-09 テレフオンアクチーボラゲット エル エム エリクソン(パブル) パイロットシンボルからのビット誤り率の推定
US6975670B1 (en) * 2000-10-02 2005-12-13 Koninklijke Philips Electronics N.V. Managing assigned fingers in wireless telecommunication using a finger lock mechanism
JP3286289B2 (ja) * 1999-12-28 2002-05-27 松下電器産業株式会社 Cdma受信装置及び誤り訂正方法
US7010061B2 (en) * 1999-12-30 2006-03-07 Infineon Technologies Ag Configurable all-digital coherent demodulator system for spread spectrum applications
US20090262700A1 (en) * 2000-03-09 2009-10-22 Franceschini Michael R Frequency domain direct sequence spread spectrum with flexible time frequency code
WO2001067665A2 (en) * 2000-03-09 2001-09-13 Raytheon Company Frequency domain direct sequence spread spectrum with flexible time frequency code
US20040105382A1 (en) * 2000-05-25 2004-06-03 Kenichi Miyoshi Radio reception apparatus
US6628702B1 (en) 2000-06-14 2003-09-30 Qualcomm, Incorporated Method and apparatus for demodulating signals processed in a transmit diversity mode
US7190683B2 (en) 2000-10-27 2007-03-13 L-3 Communications Corporation Two-dimensional channel bonding in a hybrid CDMA/FDMA fixed wireless access system to provide finely variable rate channels
WO2002069533A2 (en) * 2000-10-27 2002-09-06 L-3 Communications Corporation Two-dimensional channel bonding in a hybrid cdma/fdma fixed wireless access system to provide finely variable rate channels
US6990153B1 (en) * 2001-02-06 2006-01-24 Agency For Science, Technology And Research Method and apparatus for semi-blind communication channel estimation
ATE344548T1 (de) * 2001-03-26 2006-11-15 Ecole Polytech Verfahren und gerät zur abtastung und rekonstruktion von signalen
JP3676986B2 (ja) * 2001-03-29 2005-07-27 松下電器産業株式会社 無線受信装置及び無線受信方法
US20050063487A1 (en) * 2001-05-08 2005-03-24 Soheil Sayegh Method and apparatus for parameter estimation, modulation classification and interference characterization in satellite communication systems
DE60129111T2 (de) * 2001-05-29 2008-02-28 Lucent Technologies Inc. Kanalschätzung in einem CDMA-System mit codierten Steuersymbolen als zusätzlichen Pilotsymbolen
JP3573745B2 (ja) * 2001-07-13 2004-10-06 川崎マイクロエレクトロニクス株式会社 Cdma受信装置およびcdma受信方法
JP4448633B2 (ja) * 2001-08-31 2010-04-14 富士通株式会社 移動体通信端末
JP3831229B2 (ja) * 2001-10-31 2006-10-11 富士通株式会社 伝搬路特性推定装置
US6940894B2 (en) * 2001-11-08 2005-09-06 Qualcomm Incorporated Power estimation using weighted sum of pilot and non-pilot symbols
US7133437B2 (en) 2002-01-31 2006-11-07 Qualcomm Incorporated Pilot interpolation for a gated pilot with compensation for induced phase changes
US7221699B1 (en) * 2002-06-28 2007-05-22 Arraycomm Llc External correction of errors between traffic and training in a wireless communications system
US7085582B2 (en) * 2002-07-31 2006-08-01 Motorola, Inc. Pilot information gain control method and apparatus
US7239672B2 (en) * 2002-09-05 2007-07-03 Silicon Integrated Systems Corp. Channel estimator for WLAN
US7254170B2 (en) * 2002-11-06 2007-08-07 Qualcomm Incorporated Noise and channel estimation using low spreading factors
DE10306171B4 (de) * 2003-02-13 2007-02-08 Siemens Ag Verfahren zum Einstellen der Sendeleistungen zweier Kanäle einer Verbindung, Station und Kommunikationssystem
US8150407B2 (en) 2003-02-18 2012-04-03 Qualcomm Incorporated System and method for scheduling transmissions in a wireless communication system
US7660282B2 (en) 2003-02-18 2010-02-09 Qualcomm Incorporated Congestion control in a wireless data network
US8081598B2 (en) 2003-02-18 2011-12-20 Qualcomm Incorporated Outer-loop power control for wireless communication systems
US8391249B2 (en) 2003-02-18 2013-03-05 Qualcomm Incorporated Code division multiplexing commands on a code division multiplexed channel
US8023950B2 (en) 2003-02-18 2011-09-20 Qualcomm Incorporated Systems and methods for using selectable frame durations in a wireless communication system
US20040160922A1 (en) 2003-02-18 2004-08-19 Sanjiv Nanda Method and apparatus for controlling data rate of a reverse link in a communication system
US7155236B2 (en) 2003-02-18 2006-12-26 Qualcomm Incorporated Scheduled and autonomous transmission and acknowledgement
US7418064B2 (en) * 2003-02-18 2008-08-26 Qualcomm, Incorporated Systems and methods for hierarchically demodulating and decoding a data signal using a pilot signal and an additional signal
US7216282B2 (en) * 2003-02-19 2007-05-08 Harris Corporation Mobile ad-hoc network (MANET) including forward error correction (FEC), interleaving, and multi-route communication features and related methods
US7215930B2 (en) 2003-03-06 2007-05-08 Qualcomm, Incorporated Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication
US8705588B2 (en) 2003-03-06 2014-04-22 Qualcomm Incorporated Systems and methods for using code space in spread-spectrum communications
US8477592B2 (en) 2003-05-14 2013-07-02 Qualcomm Incorporated Interference and noise estimation in an OFDM system
DE10328341B4 (de) * 2003-06-24 2005-07-21 Infineon Technologies Ag Verfahren und Vorrichtung zur Berechnung von Korrekturfaktoren für Pfadgewichte in einem RAKE-Empfänger
US8489949B2 (en) 2003-08-05 2013-07-16 Qualcomm Incorporated Combining grant, acknowledgement, and rate control commands
AU2003276006A1 (en) * 2003-09-30 2005-05-11 Telecom Italia S.P.A. Channel estimation using pilot symbols
US20060059411A1 (en) * 2004-09-16 2006-03-16 Sony Corporation And Sony Electronics, Inc. Method and system for increasing channel coding gain
US8144806B2 (en) * 2004-09-27 2012-03-27 Marvell International Ltd. Device, system and method of I/Q mismatch correction
US7660568B2 (en) * 2004-09-27 2010-02-09 Alcatel-Lucent Usa Inc. Method and apparatus for generating a channel estimate using a non-pilot portion of a signal
ES2420987T3 (es) 2005-04-29 2013-08-28 Sony Deutschland Gmbh Dispositivo de transmisión, dispositivo de recepción y método de comunicación para un sistema de comunicaciones OFDM con nueva estructura del preámbulo
US20070011557A1 (en) * 2005-07-07 2007-01-11 Highdimension Ltd. Inter-sequence permutation turbo code system and operation methods thereof
US7797615B2 (en) 2005-07-07 2010-09-14 Acer Incorporated Utilizing variable-length inputs in an inter-sequence permutation turbo code system
US8493942B2 (en) * 2005-08-01 2013-07-23 Qualcomm Incorporated Interference cancellation in wireless communication
US8165186B2 (en) * 2005-08-12 2012-04-24 Qualcomm Incorporated Channel estimation for wireless communication
US7729433B2 (en) * 2006-03-07 2010-06-01 Motorola, Inc. Method and apparatus for hybrid CDM OFDMA wireless transmission
CN101170531B (zh) * 2006-10-24 2012-01-18 北京大学 一种信道估计方法及相应的通信方法和系统
KR101123556B1 (ko) * 2007-04-19 2012-03-15 인터디지탈 테크날러지 코포레이션 Fdd, tdd 및 mimo 통신에서 jrnso를 수행하는 방법 및 장치
US8000382B2 (en) * 2008-01-04 2011-08-16 Qualcomm Incorporated I/Q imbalance estimation and correction in a communication system
US8094701B2 (en) * 2008-01-31 2012-01-10 Telefonaktiebolaget Lm Ericsson (Publ) Channel estimation for high data rate transmission using multiple control channels
US20090310707A1 (en) * 2008-06-17 2009-12-17 Jung-Fu Cheng Transmitter and method for transmitting soft pilot symbols in a digital communication system
WO2010090560A1 (en) * 2009-02-04 2010-08-12 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for receive power estimation in a mobile radio communications system
US8565352B2 (en) * 2010-05-03 2013-10-22 Telefonaktiebolaget L M Ericsson (Publ) Digital IQ imbalance compensation for dual-carrier double conversion receiver
US8804881B2 (en) * 2010-07-13 2014-08-12 Qualcomm Incorporated Data communication devices, methods, and systems
CN103379059B (zh) * 2012-04-23 2018-09-14 马维尔国际有限公司 Mmse的信道估计方法和装置
US9142003B2 (en) * 2012-06-10 2015-09-22 Apple Inc. Adaptive frame rate control
EP3101857B1 (de) 2014-04-10 2020-07-15 Huawei Technologies Co., Ltd. Kanalschätzungsvorrichtung und verfahren
US11137753B2 (en) 2016-04-18 2021-10-05 Rhombus Systems Group, Inc. System for communications with unmanned aerial vehicles using two frequency bands
US10797836B2 (en) * 2017-12-31 2020-10-06 Qualcomm Incorporated Measurement of data streams comprising data and pilot channels
US10367595B1 (en) * 2018-04-18 2019-07-30 Huawei Technologies Co., Ltd. Apparatus and receiver for receiving RF analog signals
CN113472712B (zh) * 2021-06-30 2023-05-19 中铁二院工程集团有限责任公司 一种相位噪声抑制方法

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555268A (en) 1994-01-24 1996-09-10 Fattouche; Michel Multicode direct sequence spread spectrum
JP3018840B2 (ja) * 1993-07-27 2000-03-13 三菱電機株式会社 フェージング補償装置
US5418813A (en) * 1993-12-06 1995-05-23 Motorola, Inc. Method and apparatus for creating a composite waveform
ZA95797B (en) * 1994-02-14 1996-06-20 Qualcomm Inc Dynamic sectorization in a spread spectrum communication system
US5671218A (en) 1994-04-28 1997-09-23 Lucent Technologies Inc. Controlling power and access of wireless devices to base stations which use code division multiple access
WO1995035615A1 (fr) * 1994-06-22 1995-12-28 Ntt Mobile Communications Network Inc. Detecteur synchrone et procede de synchronisation pour un recepteur numerique de telecommunications
US6137840A (en) * 1995-03-31 2000-10-24 Qualcomm Incorporated Method and apparatus for performing fast power control in a mobile communication system
US5978413A (en) * 1995-08-28 1999-11-02 Bender; Paul E. Method and system for processing a plurality of multiple access transmissions
KR0159201B1 (ko) * 1995-12-06 1998-12-01 양승택 Cdma 시스템에서의 동기식 이중 채널 qpsk 변복조 장치 및 그 변복조방법
FI962140A (fi) * 1996-05-21 1997-11-22 Nokia Telecommunications Oy Menetelmä impulssivasteen estimoimiseksi sekä vastaanotin
US5930230A (en) * 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
US5912931A (en) * 1996-08-01 1999-06-15 Nextel Communications Method for multicarrier signal detection and parameter estimation in mobile radio communication channels
KR100201250B1 (ko) * 1996-08-14 1999-06-15 하나로통신주식회사 동기 복조 방법
JP3715382B2 (ja) * 1996-08-16 2005-11-09 株式会社東芝 受信装置
US6067292A (en) * 1996-08-20 2000-05-23 Lucent Technologies Inc Pilot interference cancellation for a coherent wireless code division multiple access receiver
US5881056A (en) * 1996-08-20 1999-03-09 Lucent Technologies Inc. Method and apparatus of a multi-code code division multiple access receiver having shared accumulator circuits
JP3001040B2 (ja) * 1996-09-20 2000-01-17 日本電気株式会社 Cdmaセルラーシステム用閉ループ送信機電力制御ユニット
US5889827A (en) 1996-12-12 1999-03-30 Ericsson Inc. Method and apparatus for digital symbol detection using medium response estimates
JP3795984B2 (ja) * 1996-12-20 2006-07-12 富士通株式会社 無線受信機
JP3006679B2 (ja) * 1997-01-16 2000-02-07 日本電気株式会社 セルラー移動電話システム
EP0856955A3 (de) 1997-01-29 2000-09-06 YRP Mobile Telecommunications Key Technology Research Laboratories Co., Ltd. Leistungsregelung in einem CDMA System
US5991284A (en) * 1997-02-13 1999-11-23 Qualcomm Inc. Subchannel control loop
US6480521B1 (en) * 1997-03-26 2002-11-12 Qualcomm Incorporated Method and apparatus for transmitting high speed data in a spread spectrum communications system
JP3459866B2 (ja) * 1997-04-22 2003-10-27 埼玉日本電気株式会社 符号分割多元接続方式の送信電力制御方法
JP3628145B2 (ja) * 1997-05-21 2005-03-09 松下電器産業株式会社 送信電力制御装置及び送信電力制御方法
US6173162B1 (en) 1997-06-16 2001-01-09 Telefonaktiebolaget Lm Ericsson (Publ) Multiple code channel power control in a radio communication system
US6393005B1 (en) 1997-06-27 2002-05-21 Nec Corporation Method of controlling transmitting power of a base station in a CDMA mobile communication system
JPH11127208A (ja) * 1997-10-24 1999-05-11 Fujitsu Ltd パイロットシンボル及び仮判定データシンボルを用いた同期検波方法及び移動体通信用受信装置及び干渉除去装置
US6134260A (en) * 1997-12-16 2000-10-17 Ericsson Inc. Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers
JP4147438B2 (ja) * 1998-09-04 2008-09-10 富士通株式会社 復調器
US6931050B1 (en) * 1998-12-03 2005-08-16 Ericsson Inc. Digital receivers and receiving methods that scale for relative strengths of traffic and pilot channels during soft handoff
KR100433910B1 (ko) * 1999-02-13 2004-06-04 삼성전자주식회사 부호분할다중접속 통신시스템의 주파수간핸드오프를 위한 전력
US6363102B1 (en) * 1999-04-23 2002-03-26 Qualcomm Incorporated Method and apparatus for frequency offset correction
US6414988B1 (en) * 1999-05-12 2002-07-02 Qualcomm Incorporated Amplitude and phase estimation method in a wireless communication system
US6493329B1 (en) * 1999-08-23 2002-12-10 Qualcomm Incorporated Adaptive channel estimation in a wireless communication system

Also Published As

Publication number Publication date
CN1233136C (zh) 2005-12-21
CA2374282A1 (en) 2000-11-23
MXPA01011492A (es) 2002-07-30
DE60022750T2 (de) 2006-07-06
EP1177661A2 (de) 2002-02-06
HK1060669A1 (en) 2004-08-13
KR100780579B1 (ko) 2007-11-29
WO2000070773A3 (en) 2001-05-17
CN1471778A (zh) 2004-01-28
BR0010421A (pt) 2003-07-08
CA2638972C (en) 2010-07-27
JP5313282B2 (ja) 2013-10-09
NO326935B1 (no) 2009-03-16
US20020122471A1 (en) 2002-09-05
AU4835400A (en) 2000-12-05
NO20015489D0 (no) 2001-11-09
RU2271068C2 (ru) 2006-02-27
JP2011176837A (ja) 2011-09-08
AU769552B2 (en) 2004-01-29
BR0010421B1 (pt) 2014-11-25
EP1177661B1 (de) 2005-09-21
JP4777517B2 (ja) 2011-09-21
ATE305198T1 (de) 2005-10-15
IL146266A0 (en) 2002-07-25
US6414988B1 (en) 2002-07-02
WO2000070773A2 (en) 2000-11-23
UA64029C2 (uk) 2004-02-16
CA2374282C (en) 2008-11-18
KR20020023218A (ko) 2002-03-28
JP5698307B2 (ja) 2015-04-08
JP2003521840A (ja) 2003-07-15
NO20015489L (no) 2002-01-10
CA2638972A1 (en) 2000-11-23
US6683907B2 (en) 2004-01-27
JP2013211885A (ja) 2013-10-10

Similar Documents

Publication Publication Date Title
DE60022750D1 (de) Verfahren zur amplituden- und phasen-schätzung in einem drahtlosen kommunikationssystem
ATE465583T1 (de) Verfahren und vorrichtung zur signaldemodulation
ATE367702T1 (de) Mehrträgerempfänger mit kanalschätzer
AU2001260851A1 (en) Time of arrival estimation for edge/gsm
UA86752C2 (ru) Выявление и демодуляция данных в системах беспроводной связи
ATE525838T1 (de) Gerät und verfahren zur kanalschätzung, und drahtloser empfänger
EP2257017A3 (de) Inkrementale Pilotsignaleinfügung für Kanal und Störungsschätzung
ATE375667T1 (de) Schnellerer fein-timing-betrieb in einem mehrträgersystem
EP1548974A3 (de) Funkkommunikationssystem, Sender, Empfänger und Funkkommunikationsverfahren
AU2842301A (en) Method and apparatus for estimating a frequency offset by combining pilot symbols and data symbols
SE9700308L (sv) Förfarande och anordning för initial synkronisering i ett kommunikationssystem
WO2008087590A3 (en) Single carrier modulation system with pilots at the beginning of each data block to improve frequency / phase error tracking
DE60332170D1 (de) Verbesserung der leistungen eines empfängers in interferenz-bedingungen
TW200501656A (en) Data detection and demodulation for wireless communication systems
ATE524908T1 (de) Kommunikationsempfänger mit einer veränderlichen entzerrerlänge
DE60220449D1 (de) Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung
ATE368998T1 (de) Reduzierung des overheads zur kanalzuteilung im abwärtskanal eines mehrträgersystems
ATE268083T1 (de) Verfahren zur adaptiven schätzung der kanalimpulsantworten eines mobilfunkkanals
CN110149289B (zh) 大频偏下载波频偏估计的帧结构设计方法
DE50105257D1 (de) Verfahren und System zur Frequenzoffsetschätzung für Trägermodulierte digitale Kommunikationssysteme
CN102104433B (zh) 符号检测方法和符号检测设备
CN101552622B (zh) 时分码分多址接入系统中的频偏估计方法及装置
AU3154901A (en) Data rate estimation in a communication system
DE50301325D1 (de) Verfahren zur entzerrung und demodulation eines über einen zeitveränderlichen kanal übertragenen datensignals
NO20083335L (no) Estimering av amplitude og fase i et stoybeheftet kommunikasjonssystem

Legal Events

Date Code Title Description
8364 No opposition during term of opposition