NO326935B1 - Estimering av amplitude og fase i et stoybeheftet kommunikasjonssystem - Google Patents

Estimering av amplitude og fase i et stoybeheftet kommunikasjonssystem Download PDF

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Publication number
NO326935B1
NO326935B1 NO20015489A NO20015489A NO326935B1 NO 326935 B1 NO326935 B1 NO 326935B1 NO 20015489 A NO20015489 A NO 20015489A NO 20015489 A NO20015489 A NO 20015489A NO 326935 B1 NO326935 B1 NO 326935B1
Authority
NO
Norway
Prior art keywords
signal
pilot
channel estimate
channel
error correction
Prior art date
Application number
NO20015489A
Other languages
English (en)
Norwegian (no)
Other versions
NO20015489L (no
NO20015489D0 (no
Inventor
Fuyun Ling
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
Publication of NO20015489D0 publication Critical patent/NO20015489D0/no
Publication of NO20015489L publication Critical patent/NO20015489L/no
Publication of NO326935B1 publication Critical patent/NO326935B1/no

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Classifications

    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0214—Channel estimation of impulse response of a single coefficient
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Optical Communication System (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Noise Elimination (AREA)
  • Error Detection And Correction (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
NO20015489A 1999-05-12 2001-11-09 Estimering av amplitude og fase i et stoybeheftet kommunikasjonssystem NO326935B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (3)

Publication Number Publication Date
NO20015489D0 NO20015489D0 (no) 2001-11-09
NO20015489L NO20015489L (no) 2002-01-10
NO326935B1 true NO326935B1 (no) 2009-03-16

Family

ID=23201550

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20015489A NO326935B1 (no) 1999-05-12 2001-11-09 Estimering av amplitude og fase i et stoybeheftet kommunikasjonssystem

Country Status (16)

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

Families Citing this family (73)

* 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
JP3487842B2 (ja) * 1999-07-15 2004-01-19 インフィネオン テクノロジーズ アクチェンゲゼルシャフト モバイル無線チャネルのチャネルインパルス応答を推定する方法
US6785554B1 (en) * 1999-09-15 2004-08-31 Qualcomm Incorporated Modified finger assignment algorithm for high data rate calls
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
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
US6892053B2 (en) * 1999-12-01 2005-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Bit error estimates from pilot signals
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
AU2466001A (en) 1999-12-30 2001-07-16 Morphics Technology, Inc. A configurable all-digital coherent demodulator system for spread spectrum applications
AU2001252897A1 (en) * 2000-03-09 2001-09-17 Raytheon Company Frequency domain direct sequence spread spectrum with flexible time frequency code
US20090262700A1 (en) * 2000-03-09 2009-10-22 Franceschini Michael R 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
AU2001297747A1 (en) * 2000-10-27 2002-09-12 L-3 Communications Corporation Two-dimensional channel bonding in a hybrid cdma/fdma fixed wireless access system to provide finely variable rate channels
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
US6990153B1 (en) * 2001-02-06 2006-01-24 Agency For Science, Technology And Research Method and apparatus for semi-blind communication channel estimation
JP4081526B2 (ja) * 2001-03-26 2008-04-30 クアルコム・インコーポレイテッド 信号をサンプリングおよび／または再構成するためのサンプリング方法、再構成方法および機器
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
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
US8023950B2 (en) 2003-02-18 2011-09-20 Qualcomm Incorporated Systems and methods for using selectable frame durations in a wireless communication system
US8391249B2 (en) 2003-02-18 2013-03-05 Qualcomm Incorporated Code division multiplexing commands on a code division multiplexed channel
US7660282B2 (en) 2003-02-18 2010-02-09 Qualcomm Incorporated Congestion control in a wireless data network
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
US8150407B2 (en) 2003-02-18 2012-04-03 Qualcomm Incorporated System and method for scheduling transmissions in a wireless communication system
US8081598B2 (en) 2003-02-18 2011-12-20 Qualcomm Incorporated Outer-loop power control for wireless communication systems
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
US8705588B2 (en) * 2003-03-06 2014-04-22 Qualcomm Incorporated Systems and methods for using code space in spread-spectrum communications
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
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
EP1668853B1 (en) * 2003-09-30 2017-07-05 Telecom Italia S.p.A. Channel estimation using different types of 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
ES2340393T3 (es) 2005-04-29 2010-06-02 Sony Deutschland Gmbh Dispositivo de recepcion y metodo de comunicacion para un sistema de comunicacion ofdm con una nueva estructura de preambulo.
US7797615B2 (en) 2005-07-07 2010-09-14 Acer Incorporated Utilizing variable-length inputs in an inter-sequence permutation turbo code system
US20070011557A1 (en) * 2005-07-07 2007-01-11 Highdimension Ltd. Inter-sequence permutation turbo code system and operation methods thereof
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
EP2149219A2 (en) 2007-04-19 2010-02-03 InterDigital Technology Corporation Method and apparatus for performing jrnso in fdd, tdd and mimo communications
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
CN102308501B (zh) * 2009-02-04 2014-04-16 瑞典爱立信有限公司 移动无线电通信系统中的方法和装置
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
WO2015154274A1 (zh) * 2014-04-10 2015-10-15 华为技术有限公司 信道估计装置和方法
CN109416537B (zh) * 2016-04-18 2023-02-28 荣布斯系统集团公司 使用两个频带与无人驾驶飞行器通信的系统
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
US20230217383A1 (en) * 2022-01-06 2023-07-06 Mediatek Singapore Pte. Ltd. Data-aided ssb signal processing

Family Cites Families (36)

* 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
US5471497A (en) * 1993-11-01 1995-11-28 Zehavi; Ephraim Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
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
EP0715440B1 (en) * 1994-06-22 2004-06-16 NTT DoCoMo, Inc. Synchronous detector and synchronizing method for digital communication receiver
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
FI962140A7 (fi) * 1996-05-21 1997-11-22 Nokia Corp 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
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
US6067292A (en) * 1996-08-20 2000-05-23 Lucent Technologies Inc Pilot interference cancellation for a coherent wireless code division multiple access receiver
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 (en) 1997-01-29 2000-09-06 YRP Mobile Telecommunications Key Technology Research Laboratories Co., Ltd. CDMA power control 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
WO2000070773A2 (en) 2000-11-23
EP1177661B1 (en) 2005-09-21
US6414988B1 (en) 2002-07-02
KR20020023218A (ko) 2002-03-28
MXPA01011492A (es) 2002-07-30
NO20015489L (no) 2002-01-10
IL146266A0 (en) 2002-07-25
JP5698307B2 (ja) 2015-04-08
RU2271068C2 (ru) 2006-02-27
BR0010421A (pt) 2003-07-08
CA2638972C (en) 2010-07-27
JP4777517B2 (ja) 2011-09-21
CA2374282C (en) 2008-11-18
CN1471778A (zh) 2004-01-28
US6683907B2 (en) 2004-01-27
WO2000070773A3 (en) 2001-05-17
KR100780579B1 (ko) 2007-11-29
NO20015489D0 (no) 2001-11-09
AU4835400A (en) 2000-12-05
CA2638972A1 (en) 2000-11-23
ATE305198T1 (de) 2005-10-15
AU769552B2 (en) 2004-01-29
CA2374282A1 (en) 2000-11-23
JP2013211885A (ja) 2013-10-10
EP1177661A2 (en) 2002-02-06
JP2003521840A (ja) 2003-07-15
JP2011176837A (ja) 2011-09-08
DE60022750T2 (de) 2006-07-06
UA64029C2 (uk) 2004-02-16
DE60022750D1 (de) 2006-02-02
HK1060669A1 (en) 2004-08-13
US20020122471A1 (en) 2002-09-05
BR0010421B1 (pt) 2014-11-25
JP5313282B2 (ja) 2013-10-09
CN1233136C (zh) 2005-12-21

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