EE03892B1 - Kanalisimulaator mobiilsidesüsteemide jaoks - Google Patents

Kanalisimulaator mobiilsidesüsteemide jaoks

Info

Publication number
EE03892B1
EE03892B1 EEP200000174A EEP200000174A EE03892B1 EE 03892 B1 EE03892 B1 EE 03892B1 EE P200000174 A EEP200000174 A EE P200000174A EE P200000174 A EEP200000174 A EE P200000174A EE 03892 B1 EE03892 B1 EE 03892B1
Authority
EE
Estonia
Prior art keywords
mobile communication
communication systems
channel simulator
simulator
channel
Prior art date
Application number
EEP200000174A
Other languages
English (en)
Estonian (et)
Inventor
Olof Winroth Mats
Widell Svante
Original Assignee
Telia Ab
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 Telia Ab filed Critical Telia Ab
Publication of EE200000174A publication Critical patent/EE200000174A/xx
Publication of EE03892B1 publication Critical patent/EE03892B1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
EEP200000174A 1997-10-21 1998-10-16 Kanalisimulaator mobiilsidesüsteemide jaoks EE03892B1 (et)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9703827A SE521039C2 (sv) 1997-10-21 1997-10-21 Kanalsimulator för mobila system
PCT/SE1998/001856 WO1999021305A2 (en) 1997-10-21 1998-10-16 Channel simulator for mobile systems

Publications (2)

Publication Number Publication Date
EE200000174A EE200000174A (et) 2001-04-16
EE03892B1 true EE03892B1 (et) 2002-10-15

Family

ID=20408681

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP200000174A EE03892B1 (et) 1997-10-21 1998-10-16 Kanalisimulaator mobiilsidesüsteemide jaoks

Country Status (8)

Country Link
US (2) US6600926B1 (xx)
EP (1) EP1025662B1 (xx)
DE (1) DE69833498T2 (xx)
DK (1) DK1025662T3 (xx)
EE (1) EE03892B1 (xx)
NO (1) NO320583B1 (xx)
SE (1) SE521039C2 (xx)
WO (1) WO1999021305A2 (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI113313B (fi) 2001-11-27 2004-03-31 Elektrobit Oy Menetelmä ja laitteisto radiokanavan simuloimiseksi
EP1983780B1 (en) * 2002-12-16 2011-07-20 Research In Motion Limited Methods and apparatus for reducing power consumption in CDMA communication device
FI116432B (fi) 2003-05-15 2005-11-15 Elektrobit Testing Oy Menetelmä ja järjestely kanavasimulaation suorittamiseksi
US7054781B2 (en) * 2004-05-25 2006-05-30 Elektrobit Oy Radio channel simulation
US7698121B2 (en) 2004-11-16 2010-04-13 Carnegie Mellon University Device and method for programmable wideband network emulation
US20060264231A1 (en) * 2005-01-20 2006-11-23 Hong Zhang System and/or method for speed estimation in communication systems
ES2283194B2 (es) * 2005-09-22 2008-07-16 Telefonica, S.A. Emulador de canal mimo.
DE602006017061D1 (de) * 2006-07-21 2010-11-04 Motorola Inc Verfahren und Vorrichtung mit niedriger Komplexität zur Leistungsprüfung der Frequenzsprungsysteme
US20120100813A1 (en) * 2010-10-20 2012-04-26 Mow Matt A System for testing multi-antenna devices using bidirectional faded channels
US9935724B1 (en) 2017-05-23 2018-04-03 The United States Of America As Represented By The Secretary Of The Air Force Product distribution modeling system and associated methods
CN111372273A (zh) * 2018-12-26 2020-07-03 是德科技股份有限公司 用于测试被测装置的天线的测试系统以及测试用户设备的方法
US11563644B2 (en) 2019-01-04 2023-01-24 GoTenna, Inc. Method and apparatus for modeling mobility and dynamic connectivity on a stationary wireless testbed
CN113259018B (zh) * 2021-05-21 2022-04-15 成都坤恒顺维科技股份有限公司 一种应用于无线信道仿真系统中的码多普勒仿真实现方法
CN114614926B (zh) * 2022-03-10 2024-01-30 中国电子科技集团公司第五十四研究所 通信系统的模拟测试方法、装置及电子设备

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105958A (en) * 1976-02-02 1978-08-08 Signatron, Inc. Large delay spread channel simulator
US4658436A (en) 1982-10-28 1987-04-14 Cincinnati Electronics Corporation Disguised transmission system and method
US4737928A (en) * 1985-07-10 1988-04-12 Signatron, Inc. High accuracy random channel reproducing simulator
US4947073A (en) 1988-02-04 1990-08-07 Trw Inc. Saw channelized filters
US5231648A (en) * 1991-03-21 1993-07-27 Northern Telecom Limited Adaptive equalizer for digital cellular radio
US5191594A (en) * 1991-11-27 1993-03-02 The United States Of America As Represented By The United States Department Of Energy Fading channel simulator
FI94809C (fi) * 1992-04-01 1995-10-25 Ne Products Oy Radiokanavan häipymissimulaattori ja menetelmä häipymisen simuloimiseksi
DE69416404T2 (de) * 1993-06-07 1999-06-10 Martin Communications Pty. Ltd., Mount Waverley, Victoria Fadingsimulator
US5614905A (en) 1994-01-25 1997-03-25 Crane; Ronald C. High speed serial digital data to analog signal converter
JP3305877B2 (ja) 1994-06-23 2002-07-24 株式会社東芝 スペクトラム拡散無線通信システムおよびこのシステムで使用される無線通信装置
EP0767544A3 (en) * 1995-10-04 2002-02-27 Interuniversitair Micro-Elektronica Centrum Vzw Programmable modem using spread spectrum communication
US5872810A (en) * 1996-01-26 1999-02-16 Imec Co. Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem
JP3145295B2 (ja) 1995-12-27 2001-03-12 松下電器産業株式会社 データ受信装置
EP2280494A3 (en) 1996-04-26 2011-12-07 AT & T Corp. Method and apparatus for data transmission using multiple transmit antennas
US6047023A (en) 1997-05-14 2000-04-04 Hughes Electronics Corporation Swept frequency modulation and demodulation technique
US6055277A (en) * 1997-05-29 2000-04-25 Trw Docket No. Communication system for broadcasting to mobile users
JP3275779B2 (ja) 1997-06-16 2002-04-22 日本電気株式会社 遅延判定帰還型系列推定受信装置
JP4020458B2 (ja) * 1997-06-19 2007-12-12 三菱電機株式会社 無線通信システム、データ送信機及びデータ受信機
US6560273B1 (en) * 1998-10-07 2003-05-06 Ericsson Inc. Delay searcher and delay trackers interaction for new delays assignment to rake fingers
US6151487A (en) * 1999-08-31 2000-11-21 Hughes Electronics Corporation Demodulation structure for fast fading cellular channels

Also Published As

Publication number Publication date
WO1999021305A3 (en) 1999-07-01
USRE40986E1 (en) 2009-11-17
EP1025662B1 (en) 2006-02-15
SE9703827D0 (sv) 1997-10-21
DE69833498T2 (de) 2006-09-28
SE9703827L (sv) 1999-04-22
SE521039C2 (sv) 2003-09-23
EP1025662A2 (en) 2000-08-09
WO1999021305A2 (en) 1999-04-29
DK1025662T3 (da) 2006-06-06
DE69833498D1 (de) 2006-04-20
NO20001991L (no) 2000-06-20
NO20001991D0 (no) 2000-04-17
US6600926B1 (en) 2003-07-29
EE200000174A (et) 2001-04-16
NO320583B1 (no) 2005-12-27

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Effective date: 20021231

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KB4A Valid patent at the end of a year

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KB4A Valid patent at the end of a year

Effective date: 20091231

KB4A Valid patent at the end of a year

Effective date: 20101231

HC1A Change of owner name
MM4A Lapsed by not paying the annual fees

Effective date: 20151016