HK85494A - A method of effecting channel estimation for a fading channel when transmitting symbol sequences - Google Patents

A method of effecting channel estimation for a fading channel when transmitting symbol sequences

Info

Publication number
HK85494A
HK85494A HK85494A HK85494A HK85494A HK 85494 A HK85494 A HK 85494A HK 85494 A HK85494 A HK 85494A HK 85494 A HK85494 A HK 85494A HK 85494 A HK85494 A HK 85494A
Authority
HK
Hong Kong
Prior art keywords
channel
effecting
symbol sequences
transmitting symbol
channel estimation
Prior art date
Application number
HK85494A
Other languages
English (en)
Inventor
Lars Gustav Larsson
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of HK85494A publication Critical patent/HK85494A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Error Detection And Correction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Filters That Use Time-Delay Elements (AREA)
HK85494A 1989-12-22 1994-08-18 A method of effecting channel estimation for a fading channel when transmitting symbol sequences HK85494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8904327A SE465245B (sv) 1989-12-22 1989-12-22 Foerfarande att utfoera kanalestimering foer en faedande kanal vid oeverfoering av symbolsekvenser

Publications (1)

Publication Number Publication Date
HK85494A true HK85494A (en) 1994-08-26

Family

ID=20377842

Family Applications (1)

Application Number Title Priority Date Filing Date
HK85494A HK85494A (en) 1989-12-22 1994-08-18 A method of effecting channel estimation for a fading channel when transmitting symbol sequences

Country Status (12)

Country Link
US (1) US5204878A (de)
EP (1) EP0434651B1 (de)
JP (1) JP3165437B2 (de)
KR (1) KR970007616B1 (de)
AU (1) AU630537B2 (de)
CA (1) CA2046316C (de)
DE (1) DE69006586T2 (de)
HK (1) HK85494A (de)
MY (1) MY107752A (de)
NZ (1) NZ236235A (de)
SE (1) SE465245B (de)
WO (1) WO1991010296A1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1236977B (it) * 1989-12-22 1993-05-12 Italtel Spa Ricevitore per un sistema radiomobile digitale con cancellazione di segnali interferenti isofrequenziali aventi lo stesso tipo di modulazione,e relativo metodo
US5263026A (en) * 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
US5214675A (en) * 1991-07-02 1993-05-25 Motorola, Inc. System and method for calculating channel gain and noise variance of a communication channel
SE469052B (sv) * 1991-09-10 1993-05-03 Ericsson Telefon Ab L M Foerfarande att bilda ett kanalestimat foer en tidsvarierande radiokanal
DE4139567A1 (de) * 1991-11-30 1993-06-03 Aeg Mobile Communication Digitales funk-nachrichtenuebertragungsverfahren
SE470371B (sv) * 1992-06-23 1994-01-31 Ericsson Telefon Ab L M Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symboler
US5335250A (en) * 1992-10-22 1994-08-02 Ericsson Ge Mobile Communications Inc. Method and apparatus for bidirectional demodulation of digitally modulated signals
JPH06140951A (ja) * 1992-10-27 1994-05-20 Sony Corp ビタビ等化器
US5581580A (en) * 1993-05-20 1996-12-03 Telefonaktiebolaget Lm Ericsson Low complexity model based channel estimation algorithm for fading channels
SE513657C2 (sv) * 1993-06-24 2000-10-16 Ericsson Telefon Ab L M Sätt och anordning att vid digital signalöverföring estimera överförda symboler hos en mottagare
JP3560991B2 (ja) * 1993-09-20 2004-09-02 株式会社東芝 適応型最尤系列推定装置
KR0124597B1 (ko) * 1994-04-12 1997-12-01 구자홍 에이치디티브이(hdtv)용 채널등화기
SE502755C2 (sv) * 1994-09-27 1996-01-08 Telia Ab Metod och anordning avseende fädningsrelaterad accesskontroll vid digitalt radiokommunikationssystem
SE503522C2 (sv) * 1994-10-31 1996-07-01 Ericsson Telefon Ab L M Förfarande och anordning för kanalestimering
US5586128A (en) * 1994-11-17 1996-12-17 Ericsson Ge Mobile Communications Inc. System for decoding digital data using a variable decision depth
US5568520A (en) * 1995-03-09 1996-10-22 Ericsson Inc. Slope drift and offset compensation in zero-IF receivers
US5712877A (en) * 1995-05-26 1998-01-27 Simon Fraser University Pilot-symbol aided continuous phase modulation system
EP0846383B1 (de) * 1995-08-23 2000-07-26 Nortel Networks Corporation Taktrueckgewinnung und rahmensynchronisierung in einem zellularen uebertragungssystem
FI100564B (fi) * 1995-12-04 1997-12-31 Nokia Telecommunications Oy Menetelmä transitiometriikan muodostamiseksi ja solukkoradiojärjestelm än vastaanotin
US5838739A (en) * 1996-03-29 1998-11-17 Ericsson Inc. Channel estimator circuitry, and associated method, for a digital communication system
FI962140A (fi) 1996-05-21 1997-11-22 Nokia Telecommunications Oy Menetelmä impulssivasteen estimoimiseksi sekä vastaanotin
US6006075A (en) * 1996-06-18 1999-12-21 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for transmitting communication signals using transmission space diversity and frequency diversity
US6026130A (en) * 1997-03-04 2000-02-15 Advanced Micro Devices, Inc. System and method for estimating a set of parameters for a transmission channel in a communication system
US6151484A (en) 1997-08-08 2000-11-21 Ericsson Inc. Communications apparatus and methods for adaptive signal processing based on mobility characteristics
FI106681B (fi) * 1997-08-29 2001-03-15 Nokia Networks Oy Parametrin estimointimenetelmä ja vastaanotin
US6208617B1 (en) * 1998-02-27 2001-03-27 Lucent Technologies, Inc. Channel tracking in a mobile receiver
US6404826B1 (en) * 1998-07-02 2002-06-11 Texas Instruments Incorporated Iterative signal-to-interference ratio estimation for WCDMA
US7391350B2 (en) * 2000-07-13 2008-06-24 The Regents Of The University Of California Adaptive multi-bit delta and sigma-delta modulation
US7415285B2 (en) 2001-09-27 2008-08-19 The Regents Of The University Of California Reducing power control errors in wireless communication system
DE60032906T2 (de) * 2000-11-07 2007-10-25 Stmicroelectronics N.V. Verfahren und Vorrichtung zur Kanalschätzung, insbesondere für ein Mobiltelefon
DE60118920T2 (de) * 2001-09-25 2006-12-28 Stmicroelectronics N.V. Verfahren und Vorrichtung zur Bestimmung der Signalschwundkoeffizienten in einem Mehrwegübertragungskanal, der insbesondere eine Basisstation und ein Mobiltelefon verbindet
DE10232702B4 (de) * 2002-07-18 2005-06-16 Infineon Technologies Ag Adaptiver Entzerrer mit integrierter Anpassung des Ausgangspegels
US7218693B2 (en) * 2003-05-08 2007-05-15 Texas Instruments Incorporated Method and apparatus for channel estimation in a packet based transmission system having reduced complexity
US7889822B2 (en) * 2006-09-21 2011-02-15 Broadcom Corporation Frequency domain equalizer with one dominant interference cancellation for dual antenna radio
US8265133B2 (en) * 2009-09-30 2012-09-11 Silicon Laboratories Inc. Radio receiver having a multipath equalizer
US8130882B2 (en) * 2009-09-30 2012-03-06 Silicon Laboratories Inc. Radio receiver having a multipath equalizer
US20120281145A1 (en) * 2011-05-06 2012-11-08 Casas Raul Alejandro Least squares matrix compression and decompression in a digital television receiver

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3116266A1 (de) * 1981-04-24 1982-11-11 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zum entzerren eines datensignales
US4475211A (en) * 1982-09-13 1984-10-02 Communications Satellite Corporation Digitally controlled transversal equalizer
US4564952A (en) * 1983-12-08 1986-01-14 At&T Bell Laboratories Compensation of filter symbol interference by adaptive estimation of received symbol sequences
US4935183A (en) * 1984-04-23 1990-06-19 Wenger Manufacturing, Inc. Method of extruding material through a twin-screw extruder having respective conical nose screw sections
JPS6211326A (ja) * 1985-07-09 1987-01-20 Hitachi Ltd 自動等化器再設定方式
US4635276A (en) * 1985-07-25 1987-01-06 At&T Bell Laboratories Asynchronous and non-data decision directed equalizer adjustment
US4811360A (en) * 1988-01-14 1989-03-07 General Datacomm, Inc. Apparatus and method for adaptively optimizing equalization delay of data communication equipment
SE462943B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer frekvensstyrning av en koherent radiomottagare
SE462942B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare
US5031193A (en) * 1989-11-13 1991-07-09 Motorola, Inc. Method and apparatus for diversity reception of time-dispersed signals

Also Published As

Publication number Publication date
JP3165437B2 (ja) 2001-05-14
AU630537B2 (en) 1992-10-29
KR970007616B1 (en) 1997-05-13
NZ236235A (en) 1993-04-28
DE69006586D1 (de) 1994-03-24
KR920702106A (ko) 1992-08-12
AU6972891A (en) 1991-07-24
MY107752A (en) 1996-06-15
CA2046316C (en) 2000-05-23
CA2046316A1 (en) 1991-06-23
WO1991010296A1 (en) 1991-07-11
JPH04504943A (ja) 1992-08-27
DE69006586T2 (de) 1994-05-26
EP0434651B1 (de) 1994-02-09
EP0434651A1 (de) 1991-06-26
US5204878A (en) 1993-04-20
SE8904327L (sv) 1991-06-23
SE8904327D0 (sv) 1989-12-22
SE465245B (sv) 1991-08-12

Similar Documents

Publication Publication Date Title
KR970007616B1 (en) Method of effecting channel estimation for a fading channel when transmitting symbol sequences
US5398326B1 (en) Method for data communication
EP0428199A3 (en) Receiver for digital communication system with channel estimator
GB8912174D0 (en) Data transmission over a time division duplex channel
GB8813167D0 (en) Apparatus & method for transmitting digital data over radio communications channel
GB8912175D0 (en) A communications systems for data transmission over a time division duplex frequency channel
AU618169B2 (en) Bit synchronizer for short duration burst communications
GB8708877D0 (en) Channel estimation & detection
EP0419243A3 (en) Channel assigning method
IL95920A0 (en) Distributed synchronization method for a wireless fast packet communication system
AU6676690A (en) Maximum-likelihood sequence estimation apparatus
EP0488173A3 (en) Wireless communication channel selecting method
EP0567211A3 (en) Adaptive receiver for multipath fading channels
GB2275591B (en) Method for channel estimation using individual adaptation
GB8813952D0 (en) Method & apparatus for transmitting data over channel
WO1999065168A3 (en) Data carrier including a circuit with time slot determination means and time slot fixation means
EP0413934A3 (en) Transmission line frequency equalizer
GB2233193B (en) Baseband signal communication apparatus
SG92594G (en) A method of effecting channel estimation for a fading channel when transmitting symbol sequences
EP0545159A3 (en) Digital radio transmission method with channel impulse response estimation
MY120113A (en) Channel estimation arrangement.
PL264410A2 (en) Method of obtaining blue copper hydroxide
EP0410270A3 (en) Method for operating a secure signal transmission interface
EP0330916A3 (en) Method for making silicone-poly(arylcarbonate) block copolymers
GB8926053D0 (en) Method & apparatus for radio transmission

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)