ATE320154T1 - Verfahren und vorrichtung zur schätzung einer signalcharakteristik - Google Patents

Verfahren und vorrichtung zur schätzung einer signalcharakteristik

Info

Publication number
ATE320154T1
ATE320154T1 AT00936744T AT00936744T ATE320154T1 AT E320154 T1 ATE320154 T1 AT E320154T1 AT 00936744 T AT00936744 T AT 00936744T AT 00936744 T AT00936744 T AT 00936744T AT E320154 T1 ATE320154 T1 AT E320154T1
Authority
AT
Austria
Prior art keywords
signal
assistance data
expected
estimating
derived
Prior art date
Application number
AT00936744T
Other languages
German (de)
English (en)
Inventor
Luis Lopes
Eric Villier
Brendan Ludden
Original Assignee
Motorola Ltd
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 Motorola Ltd filed Critical Motorola Ltd
Application granted granted Critical
Publication of ATE320154T1 publication Critical patent/ATE320154T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Networks Using Active Elements (AREA)
AT00936744T 1999-05-08 2000-05-05 Verfahren und vorrichtung zur schätzung einer signalcharakteristik ATE320154T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9910552A GB2350018B (en) 1999-05-08 1999-05-08 A method of and apparatus for estimating a characteristic of a signal

Publications (1)

Publication Number Publication Date
ATE320154T1 true ATE320154T1 (de) 2006-03-15

Family

ID=10852976

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00936744T ATE320154T1 (de) 1999-05-08 2000-05-05 Verfahren und vorrichtung zur schätzung einer signalcharakteristik

Country Status (10)

Country Link
US (1) US6256494B1 (enExample)
EP (1) EP1179282B1 (enExample)
JP (1) JP4583608B2 (enExample)
CN (1) CN1143589C (enExample)
AT (1) ATE320154T1 (enExample)
AU (1) AU5213100A (enExample)
CA (1) CA2371359C (enExample)
DE (1) DE60026521T2 (enExample)
GB (1) GB2350018B (enExample)
WO (1) WO2000069205A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3740953B2 (ja) * 2000-06-13 2006-02-01 株式会社日立製作所 無線位置測定端末および無線位置測定システム
WO2002031815A1 (en) * 2000-10-13 2002-04-18 Science Applications International Corporation System and method for linear prediction
US7149201B2 (en) * 2000-12-20 2006-12-12 Denso Corporation Enhanced bearer overhead monitoring for improved position location performance for wireless mobiles
SE523070C2 (sv) * 2001-05-21 2004-03-23 Ericsson Telefon Ab L M En metod och apparat för skattning av länkkvalitet i ett mobilt kommunikationsnätverk
GB2383215B (en) * 2001-12-12 2005-11-23 Samsung Electronics Co Ltd Mobile terminal
DE10259840A1 (de) * 2002-12-19 2004-07-22 Siemens Ag Verfahren zur Interferenzunterdrückung an einem Funkkommunikationsendgerät eines Funkkommunikationssystems
GB2398963B (en) * 2003-02-27 2007-02-28 Roke Manor Research Improved handset location accuracy
FR2857102B1 (fr) * 2003-07-04 2007-06-15 Nortel Networks Ltd Procede de mesure de l'instant d'arrivee d'un signal radio recu, dispositif de mesure et dispositif de localisation d'une station mobile pour la mise en oeuvre du procede
GB2406021A (en) * 2003-09-12 2005-03-16 Matsushita Electric Industrial Co Ltd Power efficient method for a mobile terminal to determine its location by processing only parts of the received signal
KR100896684B1 (ko) * 2004-01-27 2009-05-14 삼성전자주식회사 수신 성능이 향상된 디지털 방송 송수신 시스템 및 그의신호처리방법
KR100692596B1 (ko) * 2004-05-06 2007-03-13 삼성전자주식회사 수신 성능이 향상된 디지털 방송 송수신 시스템 및 그의신호처리방법
US7893873B2 (en) * 2005-12-20 2011-02-22 Qualcomm Incorporated Methods and systems for providing enhanced position location in wireless communications
RU2334244C1 (ru) * 2007-06-27 2008-09-20 Федеральное государственное учреждение "Федеральный государственный научно-исследовательский испытательный центр радиоэлектронной борьбы и оценки эффективности снижения заметности" Министерства обороны Российской Федерации Способ определения местоположения источника радиоизлучения
FR2936593B1 (fr) * 2008-09-26 2010-10-15 Guilbert Express Sa Generateur d'air chaud
US8073463B2 (en) 2008-10-06 2011-12-06 Andrew, Llc System and method of UMTS UE location using uplink dedicated physical control channel and downlink synchronization channel
US8634766B2 (en) 2010-02-16 2014-01-21 Andrew Llc Gain measurement and monitoring for wireless communication systems
US9146296B2 (en) * 2011-01-14 2015-09-29 Qualcomm Incorporated Methods and apparatuses for use in providing positioning assistance data to mobile stations via a self-organizing network
US8718017B2 (en) * 2012-09-12 2014-05-06 Qualcomm Incorporated Confirmation of base station identification to improve handover

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714573A (en) * 1970-05-06 1973-01-30 Hazeltine Corp Spread-spectrum position monitoring system
US4058713A (en) * 1976-09-20 1977-11-15 General Signal Corporation Equalization by adaptive processing operating in the frequency domain
JP3100447B2 (ja) * 1992-01-10 2000-10-16 三菱電機株式会社 適応等化器および受信機
US5276706A (en) * 1992-05-20 1994-01-04 Hughes Aircraft Company System and method for minimizing frequency offsets between digital communication stations
EP0637139B1 (en) * 1993-01-19 2003-04-09 Ntt Mobile Communications Network Inc. Method for removing interference wave, receiver and communication system which use the method
US5515062A (en) * 1993-08-11 1996-05-07 Motorola, Inc. Location system and method with acquisition of accurate location parameters
US5802105A (en) * 1994-11-30 1998-09-01 Qualcomm Incorporated Method and apparatus for testing a digital communication channel
IL112233A (en) * 1995-01-03 1998-02-22 State Rafaelel Ministry Of Def Adaptive polarization diversity system
US5703902A (en) * 1995-06-16 1997-12-30 Qualcomm Incorporated Method and apparatus for determining signal strength in a variable data rate system
FI101256B (fi) * 1995-10-03 1998-05-15 Nokia Mobile Phones Ltd Menetelmä vastaanotetun signaalin ajoituksen mittaamiseksi tiedonsiirt ojärjestelmässä ja menetelmän toteuttava matkaviestin
US6034635A (en) * 1996-06-06 2000-03-07 Gilhousen; Klein S. Method for using only two base stations for determining the position of a mobile subscriber in a CDMA cellular telephone system
US5675344A (en) * 1996-06-28 1997-10-07 Motorola, Inc. Method and apparatus for locating a mobile station in a spread spectrum communication system
US5872820A (en) * 1996-09-30 1999-02-16 Intel Corporation Synchronization in TDMA systems in a non-realtime fashion
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
US6040800A (en) * 1997-04-22 2000-03-21 Ericsson Inc. Systems and methods for locating remote terminals in radiocommunication systems
US5970414A (en) 1997-05-30 1999-10-19 Lucent Technologies, Inc. Method for estimating a mobile-telephone's location
US5991330A (en) * 1997-06-27 1999-11-23 Telefonaktiebolaget L M Ericsson (Pub1) Mobile Station synchronization within a spread spectrum communication systems
US6021330A (en) * 1997-07-22 2000-02-01 Lucent Technologies Inc. Mobile location estimation in a wireless system using designated time intervals of suspended communication
US6246884B1 (en) * 1998-08-19 2001-06-12 Sigmaone Communications Corporation System and method for measuring and locating a mobile station signal in a wireless communication system

Also Published As

Publication number Publication date
EP1179282B1 (en) 2006-03-08
CA2371359A1 (en) 2000-11-16
JP4583608B2 (ja) 2010-11-17
GB9910552D0 (en) 1999-07-07
WO2000069205A1 (en) 2000-11-16
CA2371359C (en) 2009-07-14
JP2002544734A (ja) 2002-12-24
CN1349724A (zh) 2002-05-15
AU5213100A (en) 2000-11-21
GB2350018B (en) 2003-07-30
GB2350018A (en) 2000-11-15
DE60026521T2 (de) 2006-08-10
DE60026521D1 (de) 2006-05-04
EP1179282A1 (en) 2002-02-13
US6256494B1 (en) 2001-07-03
CN1143589C (zh) 2004-03-24

Similar Documents

Publication Publication Date Title
ATE320154T1 (de) Verfahren und vorrichtung zur schätzung einer signalcharakteristik
CA2269925A1 (en) Iterative channel estimation
NZ509688A (en) Maximum likelihood sychronisation (estimating time delay) for wireless digital communications system using a pilot symbol
DE69900646D1 (de) Verfahren und vorrichtung zur bestimmung der empfangsrichtung eines signals
BR0013506A (pt) Estimativa adaptativa de canal em um sistema de comunicação sem fio
KR960705223A (ko) 셀룰러 전화 및 그와 유사한 송신기를 위치시키는 장치 및 방법(Apparatus and method for locating cellular telephones and similar transmitters)
ATE223122T1 (de) Verfahren zur verbesserten schätzung der kanalimpulsantwort in tdma-systemen
MXPA05010351A (es) Reloj virtual de tiempo real tomando como base informacion de tiempo proveniente de sistemas de comunicacion multiples.
DE69926008D1 (de) Kanalschätzer mit variabler anzahl von abgriffen
ATE315312T1 (de) Verfahren zur übertragung von kurznachrichten
US8005369B2 (en) Apparatus for synchronizing clock in real-time locating system and method therefor
IL161680A (en) Parameter estimator configured to distinguish between peaks and sidelobes of correlation function
DE69728143D1 (de) Verfahren zur schätzung der impulsantwort und empfänger
DE60029339D1 (de) Verfahren zur übermittlung einer gebietsspezifischen information in einem telekommunikationsnetz
FI101919B (fi) Menetelmä impulssivasteen laskemiseksi ja vastaanotin
EP1265389A3 (en) Method of impairment mitigation in a communication system
SE9602999L (sv) Anordning och förfarande för estimering av symboler i ett bredbandigt radiosystem
DE60123589D1 (de) Verfahren zur schätzung einer korrelationsmatrix von durch ein sensornetz empfangenen, interferierenden signalen
MXPA05003922A (es) Procedimiento para calcular un parametro de maximos o minimos locales de una funcion de correlacion derivada de una senal recibida.
WO2002005447A3 (en) Method and apparatus for partial interference cancellation in a communication system
ATE445303T1 (de) Schätzung einer signalverzögerung
SE9603829L (sv) Metod och anordning att bestämma sändtidpunkten för en första överföring i förhållande till en andra överföring i ett radiomedium
WO2004077684A3 (en) Communication method, system, and apparatus that combines aspects of cyclic prefix and zero padding techniques
AU2003246589A1 (en) Method and system for concurrent estimation of frequency offset and modulation index
EP0609436B1 (en) A method for forming a quality measure for signal bursts

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties