FI954053A - Foerfarande foer estimering av kvaliteten pao en foerbindelse och mottagare - Google Patents

Foerfarande foer estimering av kvaliteten pao en foerbindelse och mottagare Download PDF

Info

Publication number
FI954053A
FI954053A FI954053A FI954053A FI954053A FI 954053 A FI954053 A FI 954053A FI 954053 A FI954053 A FI 954053A FI 954053 A FI954053 A FI 954053A FI 954053 A FI954053 A FI 954053A
Authority
FI
Finland
Prior art keywords
receiver
signal
noise ratio
estimating
procedure
Prior art date
Application number
FI954053A
Other languages
English (en)
Finnish (fi)
Other versions
FI954053A0 (fi
FI100017B (sv
Inventor
Olli Piirainen
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of FI954053A0 publication Critical patent/FI954053A0/fi
Priority to FI954053A priority Critical patent/FI100017B/sv
Priority to EP96927719A priority patent/EP0872018B1/en
Priority to CN96196598A priority patent/CN1094001C/zh
Priority to PCT/FI1996/000461 priority patent/WO1997008841A1/en
Priority to JP9509891A priority patent/JPH11511602A/ja
Priority to US09/029,649 priority patent/US6192238B1/en
Priority to ES96927719T priority patent/ES2176479T3/es
Priority to AU67435/96A priority patent/AU710798B2/en
Priority to AT96927719T priority patent/ATE217739T1/de
Priority to DE69621252T priority patent/DE69621252T2/de
Publication of FI954053A publication Critical patent/FI954053A/sv
Application granted granted Critical
Publication of FI100017B publication Critical patent/FI100017B/sv
Priority to NO980871A priority patent/NO980871L/no
Priority to JP2007337543A priority patent/JP2008136234A/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Communication Control (AREA)
FI954053A 1995-08-29 1995-08-29 Förfarande för estimering av kvaliteten på en förbindelse och mottagar e FI100017B (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FI954053A FI100017B (sv) 1995-08-29 1995-08-29 Förfarande för estimering av kvaliteten på en förbindelse och mottagar e
ES96927719T ES2176479T3 (es) 1995-08-29 1996-08-28 Metodo de recepcion y receptor.
AT96927719T ATE217739T1 (de) 1995-08-29 1996-08-28 Empfangsverfahren und empfänger
PCT/FI1996/000461 WO1997008841A1 (en) 1995-08-29 1996-08-28 Receiving method and receiver
JP9509891A JPH11511602A (ja) 1995-08-29 1996-08-28 受信方法及び受信器
US09/029,649 US6192238B1 (en) 1995-08-29 1996-08-28 Receiving method and receiver
EP96927719A EP0872018B1 (en) 1995-08-29 1996-08-28 Receiving method and receiver
AU67435/96A AU710798B2 (en) 1995-08-29 1996-08-28 Receiving method and receiver
CN96196598A CN1094001C (zh) 1995-08-29 1996-08-28 接收方法和接收机
DE69621252T DE69621252T2 (de) 1995-08-29 1996-08-28 Empfangsverfahren und empfänger
NO980871A NO980871L (no) 1995-08-29 1998-02-27 Fremgangsmåte for mottaking, samt mottaker
JP2007337543A JP2008136234A (ja) 1995-08-29 2007-12-27 受信方法及び受信器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI954053A FI100017B (sv) 1995-08-29 1995-08-29 Förfarande för estimering av kvaliteten på en förbindelse och mottagar e
FI954053 1995-08-29

Publications (3)

Publication Number Publication Date
FI954053A0 FI954053A0 (fi) 1995-08-29
FI954053A true FI954053A (sv) 1997-03-01
FI100017B FI100017B (sv) 1997-08-15

Family

ID=8543936

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954053A FI100017B (sv) 1995-08-29 1995-08-29 Förfarande för estimering av kvaliteten på en förbindelse och mottagar e

Country Status (11)

Country Link
US (1) US6192238B1 (sv)
EP (1) EP0872018B1 (sv)
JP (2) JPH11511602A (sv)
CN (1) CN1094001C (sv)
AT (1) ATE217739T1 (sv)
AU (1) AU710798B2 (sv)
DE (1) DE69621252T2 (sv)
ES (1) ES2176479T3 (sv)
FI (1) FI100017B (sv)
NO (1) NO980871L (sv)
WO (1) WO1997008841A1 (sv)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI101917B (sv) * 1996-08-15 1998-09-15 Nokia Telecommunications Oy Förfarande för utförande av en diversitetssammansättning och mottagare
FI101919B1 (sv) * 1996-11-21 1998-09-15 Nokia Telecommunications Oy Förfarande för beräkning av ett impulssvar och mottagare
DE69728659T2 (de) 1997-02-04 2005-04-14 Nokia Corp. Adaptive kompensation der dopplerverschiebung in einem mobilkommunikationssystem
US5991273A (en) * 1997-05-01 1999-11-23 Nortel Networks Corporation Determining SINR in a communications system
FI107666B (sv) * 1997-08-14 2001-09-14 Nokia Networks Oy Förfarande för att optimera en sändning och sändare
US6731622B1 (en) * 1998-05-01 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Multipath propagation delay determining means using periodically inserted pilot symbols
US6370397B1 (en) * 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
US6320920B1 (en) * 1998-10-08 2001-11-20 Gregory Lee Beyke Phase coherence filter
JP2003500897A (ja) * 1999-05-17 2003-01-07 ノキア コーポレイション Ｔｄｍａシステムにおけるノイズエネルギー推定方法
US6532258B1 (en) * 1999-06-24 2003-03-11 Ibiquity Digital Corporation Method for estimating signal-to-noise ratio of digital carriers in an AM compatible digital audio broadcasting system
US6449320B1 (en) * 1999-07-02 2002-09-10 Telefonaktiebolaget Lm Ericsson (Publ) Equalization with DC-offset compensation
EP1071203A1 (en) * 1999-07-21 2001-01-24 Sony International (Europe) GmbH Stereo demultiplexer
EP1128575B1 (en) * 2000-02-22 2006-04-26 Telefonaktiebolaget LM Ericsson (publ) Channel estimation in a diversity receiver by using concurrently transmitted training sequences
FI20000820A (sv) * 2000-04-06 2001-10-07 Nokia Networks Oy Optimering av kanalekvalisator
DE10027610A1 (de) * 2000-06-06 2001-12-13 Fuba Automotive Gmbh Verfahren zum Diversityempfang von digitalen Fernsehsignalen
GB2364210A (en) * 2000-06-30 2002-01-16 Nokia Oy Ab Diversity receiver and method of receiving a multi carrier signal
US7315576B1 (en) * 2002-02-05 2008-01-01 Qualcomm Incorporated System for soft symbol decoding with MIMO log-map detection
CN1774874B (zh) * 2002-03-14 2010-04-28 高通股份有限公司 无线通信系统内减少信道间干扰的方法和装置
US7292552B2 (en) * 2002-03-14 2007-11-06 Qualcomm Incorporated Method and apparatus for reducing interference in a wireless communication system
US7406065B2 (en) * 2002-03-14 2008-07-29 Qualcomm, Incorporated Method and apparatus for reducing inter-channel interference in a wireless communication system
US7127008B2 (en) 2003-02-24 2006-10-24 Ibiquity Digital Corporation Coherent AM demodulator using a weighted LSB/USB sum for interference mitigation
US7342956B2 (en) * 2003-06-16 2008-03-11 Broadcom Corporation System and method to extract uplink status flag bits in a cellular wireless network
US9164679B2 (en) 2011-04-06 2015-10-20 Patents1, Llc System, method and computer program product for multi-thread operation involving first memory of a first memory class and second memory of a second memory class
US9176671B1 (en) 2011-04-06 2015-11-03 P4tents1, LLC Fetching data between thread execution in a flash/DRAM/embedded DRAM-equipped system
US8930647B1 (en) 2011-04-06 2015-01-06 P4tents1, LLC Multiple class memory systems
US9170744B1 (en) 2011-04-06 2015-10-27 P4tents1, LLC Computer program product for controlling a flash/DRAM/embedded DRAM-equipped system
US9158546B1 (en) 2011-04-06 2015-10-13 P4tents1, LLC Computer program product for fetching from a first physical memory between an execution of a plurality of threads associated with a second physical memory
US9417754B2 (en) 2011-08-05 2016-08-16 P4tents1, LLC User interface system, method, and computer program product
CN103095630B (zh) * 2011-11-01 2016-03-09 联芯科技有限公司 无线通信系统中噪声估计的方法和装置
CN103684567A (zh) * 2012-09-21 2014-03-26 中兴通讯股份有限公司 无线通信系统接收机分集合并方法及其装置
EP2940915A1 (en) * 2014-05-02 2015-11-04 University Of Cyprus Digital communication system using real-time capacity achieving encoder design for channels with memory and feedback
US9794008B2 (en) * 2015-12-04 2017-10-17 Montage Technology (Shanghai) Co., Ltd. Noise power estimator, receiver and method for noise power estimation
US10635068B2 (en) 2016-03-16 2020-04-28 Charalambos D. Charalambous Information transfer in stochastic optimal control theory with information theoretic criterial and application
US11770473B2 (en) * 2020-05-01 2023-09-26 Qualcomm Incorporated Avoid and react to sudden possibility of damage to receiver in self-interference measurement
EP4020853A1 (en) * 2020-12-24 2022-06-29 INTEL Corporation A distributed radiohead system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001592A1 (de) * 1989-10-25 1991-05-02 Philips Patentverwaltung Empfaenger fuer digitales uebertragungssystem
DE4039245A1 (de) * 1990-12-08 1992-06-11 Philips Patentverwaltung Empfaenger mit mindestens zwei empfangszweigen
FR2696604B1 (fr) 1992-10-07 1994-11-04 Alcatel Radiotelephone Dispositif d'estimation d'un canal de transmission.
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
FR2708162B1 (fr) 1993-07-20 1995-09-01 Alcatel Mobile Comm France Procédé pour déterminer la longueur optimale d'un bloc de données dans un système de communication à accès multiple à répartition dans le temps (AMRT).
FI98018C (sv) 1994-08-18 1997-03-25 Nokia Mobile Phones Ltd Förfarande och anordning för mätning av impulsresponsen av en radiokanal
US5563746A (en) * 1994-11-17 1996-10-08 Cirrus Logic, Inc. Real time media defect scanning in a sampled amplitude read channel
US5796535A (en) * 1995-05-12 1998-08-18 Cirrus Logic, Inc. Sampled amplitude read channel employing a user data frequency synthesizer and a servo data frequency synthesizer

Also Published As

Publication number Publication date
EP0872018B1 (en) 2002-05-15
ES2176479T3 (es) 2002-12-01
FI954053A0 (fi) 1995-08-29
ATE217739T1 (de) 2002-06-15
DE69621252D1 (de) 2002-06-20
CN1094001C (zh) 2002-11-06
AU6743596A (en) 1997-03-19
WO1997008841A1 (en) 1997-03-06
DE69621252T2 (de) 2002-10-02
JP2008136234A (ja) 2008-06-12
NO980871D0 (no) 1998-02-27
JPH11511602A (ja) 1999-10-05
NO980871L (no) 1998-02-27
FI100017B (sv) 1997-08-15
EP0872018A1 (en) 1998-10-21
AU710798B2 (en) 1999-09-30
US6192238B1 (en) 2001-02-20
CN1194738A (zh) 1998-09-30

Similar Documents

Publication Publication Date Title
FI954053A (sv) Foerfarande foer estimering av kvaliteten pao en foerbindelse och mottagare
HUP0004241A2 (hu) Helymeghatározó rendszer digitális telefonhálózatokhoz, helymeghatározó rendszert tartalmazó digitális telefonhálózat, kézibeszélő ilyen digitális telefonhálózathoz és eljárás mobil vevőkészülék helyének meghatározására
EP0823796A3 (en) Multiuser receiving device for use in a CDMA communications system
FI944736A (sv) Ett signaldetekteringsförfarande i en mottagare för ett TDMA-mobilradiosystem samt en mottagare för utföring av förfarandet
MXPA03003259A (es) Metodo y aparato para mejorar la recepcion en sistemas de comunicacion de acceso multiple.
CA2311890A1 (en) Method and system for determining position of mobile radio terminals
EP0763888A3 (en) Method and circuit arrangement for processing audio signal
MXPA02001465A (es) Metodo de cancelacion de interferencia con base en una antena inteligente.
TW326114B (en) Method and apparatus for interference rejection with different beams, polarizations and phase references the invention relates to a method and apparatus for mitigating the deleterious effects of fading, time dispersion and interference in a radio communication system.
YU84801A (sh) Poboljšanje sistema za radio pozicioniranje
EP0892504A3 (en) Method of and apparatus for digital radio signal reception
KR20010108314A (ko) 데이터 전송 장치와 전송 방법
EP1067699A3 (en) Spread spectrum communication system
KR950035142A (ko) 수신장치, 기지국 수신 시스템 및 이동국 수신시스템
EP0711044A3 (en) Channel estimation in a CDMA receiver using multiple access interference cancellation
NO990064D0 (no) FremgangsmÕte og apparat for kompensering av d.c. forskyvninger i et samplet signal
EP1158695A3 (en) Space multiplex radio communication method and apparatus
EP0667683A3 (en) Multi-user interference cancellation for cellular mobile radio systems
MY124366A (en) A method and an apparatus for estimating residual noise in a signal and an apparatus utilizing the method
TW355892B (en) An apparatus and a method for a telecommunication system
AU1066601A (en) Receiver, transceiver, radio unit and method for telecommunication
AU5213100A (en) A method of and apparatus for estimating a characteristic of a signal
ATE340442T1 (de) Parameterschätzung für adaptives antennensystem
SE9202406D0 (sv) Foerfarande foer bildande av kvalitetsmaatt foer signalskurar
US3997844A (en) Signal selection in diversity transmission systems