CN1135802C - 数字通信系统中相邻频道信号的联合解调方法及装置 - Google Patents

数字通信系统中相邻频道信号的联合解调方法及装置 Download PDF

Info

Publication number
CN1135802C
CN1135802C CNB988077035A CN98807703A CN1135802C CN 1135802 C CN1135802 C CN 1135802C CN B988077035 A CNB988077035 A CN B988077035A CN 98807703 A CN98807703 A CN 98807703A CN 1135802 C CN1135802 C CN 1135802C
Authority
CN
China
Prior art keywords
channel
base band
signal
estimation
band sampling
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
CNB988077035A
Other languages
English (en)
Chinese (zh)
Other versions
CN1265797A (zh
Inventor
H
H·阿斯兰
S·C·古普塔
G·E·博顿利
���ɿ������޹�˾
S·岑纳克舒
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.)
Ericsson Inc
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Publication of CN1265797A publication Critical patent/CN1265797A/zh
Application granted granted Critical
Publication of CN1135802C publication Critical patent/CN1135802C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03331—Arrangements for the joint estimation of multiple sequences
    • 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
    • H04L25/0204—Channel estimation of multiple channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
CNB988077035A 1997-07-28 1998-07-27 数字通信系统中相邻频道信号的联合解调方法及装置 Expired - Lifetime CN1135802C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/901,694 1997-07-28
US08/901,694 US6108517A (en) 1997-07-28 1997-07-28 Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems

Publications (2)

Publication Number Publication Date
CN1265797A CN1265797A (zh) 2000-09-06
CN1135802C true CN1135802C (zh) 2004-01-21

Family

ID=25414652

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB988077035A Expired - Lifetime CN1135802C (zh) 1997-07-28 1998-07-27 数字通信系统中相邻频道信号的联合解调方法及装置

Country Status (9)

Country Link
US (1) US6108517A (enExample)
EP (1) EP1000490B1 (enExample)
JP (1) JP4153161B2 (enExample)
CN (1) CN1135802C (enExample)
AU (1) AU8585398A (enExample)
BR (1) BR9810839B1 (enExample)
CA (1) CA2297662A1 (enExample)
DE (1) DE69825055T2 (enExample)
WO (1) WO1999005833A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100375396C (zh) * 2004-02-03 2008-03-12 株式会社Ntt都科摩 信号分离装置

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5889827A (en) * 1996-12-12 1999-03-30 Ericsson Inc. Method and apparatus for digital symbol detection using medium response estimates
JP3180761B2 (ja) * 1997-07-23 2001-06-25 三菱電機株式会社 系列推定方法及び系列推定装置
DE19815701A1 (de) * 1998-04-08 1999-10-14 Bosch Gmbh Robert Verfahren zum Demodulieren einer mit einer digitalen Symbolfolge modulierten Trägerwelle
US7099410B1 (en) * 1999-01-26 2006-08-29 Ericsson Inc. Reduced complexity MLSE equalizer for M-ary modulated signals
US6674815B2 (en) * 1999-06-16 2004-01-06 Ericsson, Inc Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel
US6278726B1 (en) * 1999-09-10 2001-08-21 Interdigital Technology Corporation Interference cancellation in a spread spectrum communication system
US6115406A (en) * 1999-09-10 2000-09-05 Interdigital Technology Corporation Transmission using an antenna array in a CDMA communication system
US6832080B1 (en) * 2000-09-12 2004-12-14 Ericsson, Inc. Apparatus for and method of adapting a radio receiver using control functions
US6792052B1 (en) 2000-11-22 2004-09-14 Telefonaktiebolaget Lm Ericsson Joint least-square synchronization, channel estimation and noise estimation
US7394864B2 (en) 2001-07-06 2008-07-01 Conexant, Inc. Mixed waveform configuration for wireless communications
EP1282245A1 (en) * 2001-07-30 2003-02-05 Telefonaktiebolaget L M Ericsson (Publ) Channel estimation in a multi carrier transmit diversity system
US7349469B1 (en) * 2001-08-17 2008-03-25 Ati Research, Inc. DC offset correction for constant modulus equalization
US7346126B2 (en) 2001-11-28 2008-03-18 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for channel estimation using plural channels
US6714607B2 (en) 2001-12-20 2004-03-30 Sbc Technology Resources, Inc. Joint demodulation using a viterbi equalizer having an adaptive total number of states
EP1395008A1 (de) * 2002-09-02 2004-03-03 Siemens Aktiengesellschaft Gemeinsame Detektion zweier Signale
US7295517B2 (en) * 2002-11-27 2007-11-13 Texas Instruments Incorporated Method and apparatus for channel quality metric generation within a packet-based multicarrier modulation communication system
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7321646B2 (en) * 2003-11-18 2008-01-22 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for pre-filtering a signal to increase signal-to-noise ratio and decorrelate noise
US7400692B2 (en) 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
IL160832A (en) * 2004-03-11 2009-02-11 Alvarion Ltd Spectrum sharing between wireless systems
IL161419A (en) * 2004-04-15 2010-02-17 Alvarion Ltd Handling communication interferences in wireless systems
CN101163316B (zh) * 2007-11-14 2012-01-25 中兴通讯股份有限公司 基带资源分配中处理系统消息的方法、系统及基带单元
EP2228916A1 (en) * 2009-03-12 2010-09-15 Astrim Limited Interference removal
CN109756257B (zh) * 2017-11-07 2023-07-07 珠海市魅族科技有限公司 用于接收端或发射端的数据传输方法及装置
US10944377B2 (en) * 2017-12-31 2021-03-09 Skyworks Solutions, Inc. Broadband power splitter
WO2020125935A1 (en) * 2018-12-17 2020-06-25 U-Blox Ag Estimating one or more characteristics of a communications channel
CN117715206B (zh) * 2023-05-10 2024-10-18 荣耀终端有限公司 通信方法、介质及电子设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE465597B (sv) * 1990-02-16 1991-09-30 Ericsson Telefon Ab L M Foerfarande att reducera inverkan av faedning hos en viterbimottagare med minst tvaa antenner
US5126682A (en) * 1990-10-16 1992-06-30 Stanford Telecommunications, Inc. Demodulation method and apparatus incorporating charge coupled devices
US5218619A (en) * 1990-12-17 1993-06-08 Ericsson Ge Mobile Communications Holding, Inc. CDMA subtractive demodulation
AU4653393A (en) * 1992-06-26 1994-01-24 POSNER, Sylvia Method and apparatus for interference cancellation in a multiple access communication receiver
US5537443A (en) * 1993-01-19 1996-07-16 Ntt Mobile Communications Network Inc. Interference signal cancelling method, receiver and communication system using the same
US5506861A (en) * 1993-11-22 1996-04-09 Ericsson Ge Mobile Comminications Inc. System and method for joint demodulation of CDMA signals
US5937015A (en) * 1994-01-11 1999-08-10 Dent; Paul W. Interference mitigation by joint decoding of overlapped signals
US5790606A (en) * 1994-01-11 1998-08-04 Ericsson Inc. Joint demodulation using spatial maximum likelihood
US5680419A (en) * 1994-08-02 1997-10-21 Ericsson Inc. Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
JP3325735B2 (ja) * 1995-01-31 2002-09-17 松下電器産業株式会社 データ受信装置
FR2738095B1 (fr) * 1995-08-21 1997-11-07 France Telecom Procede et dispositif de demodulation d'un signal multiporteuse tenant compte d'une estimation de la reponse du canal de transmission et d'une estimaton d'une distorsion blanche en frequence
US5912931A (en) * 1996-08-01 1999-06-15 Nextel Communications Method for multicarrier signal detection and parameter estimation in mobile radio communication channels
US5822380A (en) * 1996-08-12 1998-10-13 Ericsson Inc. Apparatus and method for joint channel estimation
US5724001A (en) * 1996-12-02 1998-03-03 Motorola, Inc. Method and apparatus for demodulating a frequency shift keyed signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100375396C (zh) * 2004-02-03 2008-03-12 株式会社Ntt都科摩 信号分离装置

Also Published As

Publication number Publication date
WO1999005833A1 (en) 1999-02-04
DE69825055T2 (de) 2005-07-28
US6108517A (en) 2000-08-22
CA2297662A1 (en) 1999-02-04
BR9810839B1 (pt) 2013-03-19
EP1000490A1 (en) 2000-05-17
BR9810839A (pt) 2000-07-25
EP1000490B1 (en) 2004-07-14
CN1265797A (zh) 2000-09-06
JP4153161B2 (ja) 2008-09-17
JP2001511623A (ja) 2001-08-14
AU8585398A (en) 1999-02-16
DE69825055D1 (de) 2004-08-19

Similar Documents

Publication Publication Date Title
CN1135802C (zh) 数字通信系统中相邻频道信号的联合解调方法及装置
US6137843A (en) Methods and apparatus for canceling adjacent channel signals in digital communications systems
US6608874B1 (en) Method and apparatus for quadrature multi-pulse modulation of data for spectrally efficient communication
CN1868130A (zh) Gsm通信系统中的多通路干扰减小
CN103299591B (zh) 用于使用具有线性量化输入的格子数字地解调msk信号的方法及设备
WO2017203534A1 (en) Simultaneous mimo communication system
US7440524B2 (en) Channel estimation in a wireless transmission system
CN115776313B (zh) 弱化宽带短波数字基带信号载波相移的处理方法及装置
CN101997799A (zh) 基于滤波器组的ofdm信道估计方法
CN1260914A (zh) 数字蜂窝接收机中的信号检测方法
US8369459B2 (en) Diversity receivers and methods for relatively-delayed signals
CN118785422B (zh) 宽带码分多址无线通信系统上行信号接收端矢量信号分析处理方法、系统及存储介质
CN112753177A (zh) 收发方法及收发系统
CN107276926B (zh) 信道估计方法和装置
CN107294881B (zh) 信道估计方法和装置
Sergienko Reception of QAM Signals with Pilots in Fast Fading Channels Using Partial GLRT
MXPA00000535A (en) Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems
CN107276956B (zh) 载波同步方法和装置
CN107294882B (zh) 信道估计方法和装置
CN107276927B (zh) 信道估计方法和装置
CN107276955B (zh) 信号处理方法和系统
CN115549859B (zh) 一种支持gmsk和qpsk的通信方法和装置
CN107276928B (zh) 信道估计方法和装置
Hsiao et al. A DSSS receiver for dual-mode DSSS/OFDM wireless LAN systems
CN107276930B (zh) 信道估计方法和装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20040121

CX01 Expiry of patent term