SE9703827L - Kanalsimulator för mobila system - Google Patents

Kanalsimulator för mobila system

Info

Publication number
SE9703827L
SE9703827L SE9703827A SE9703827A SE9703827L SE 9703827 L SE9703827 L SE 9703827L SE 9703827 A SE9703827 A SE 9703827A SE 9703827 A SE9703827 A SE 9703827A SE 9703827 L SE9703827 L SE 9703827L
Authority
SE
Sweden
Prior art keywords
mobile systems
radio channel
channel simulator
tap
continuously varying
Prior art date
Application number
SE9703827A
Other languages
Unknown language ( )
English (en)
Other versions
SE9703827D0 (sv
SE521039C2 (sv
Inventor
Svante Widell
Mats Olof Winroth
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
Priority to SE9703827A priority Critical patent/SE521039C2/sv
Publication of SE9703827D0 publication Critical patent/SE9703827D0/sv
Priority to EP98949285A priority patent/EP1025662B1/en
Priority to PCT/SE1998/001856 priority patent/WO1999021305A2/en
Priority to DE69833498T priority patent/DE69833498T2/de
Priority to EEP200000174A priority patent/EE03892B1/xx
Priority to US11/193,994 priority patent/USRE40986E1/en
Priority to DK98949285T priority patent/DK1025662T3/da
Priority to US09/509,570 priority patent/US6600926B1/en
Publication of SE9703827L publication Critical patent/SE9703827L/sv
Priority to NO20001991A priority patent/NO320583B1/no
Publication of SE521039C2 publication Critical patent/SE521039C2/sv

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)
SE9703827A 1997-10-21 1997-10-21 Kanalsimulator för mobila system SE521039C2 (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE9703827A SE521039C2 (sv) 1997-10-21 1997-10-21 Kanalsimulator för mobila system
US09/509,570 US6600926B1 (en) 1997-10-21 1998-10-16 Channel simulator for mobile systems
EEP200000174A EE03892B1 (et) 1997-10-21 1998-10-16 Kanalisimulaator mobiilsidesüsteemide jaoks
PCT/SE1998/001856 WO1999021305A2 (en) 1997-10-21 1998-10-16 Channel simulator for mobile systems
DE69833498T DE69833498T2 (de) 1997-10-21 1998-10-16 Kanalsimulator für mobile systeme
EP98949285A EP1025662B1 (en) 1997-10-21 1998-10-16 Channel simulator for mobile systems
US11/193,994 USRE40986E1 (en) 1997-10-21 1998-10-16 Channel simulator for mobile systems
DK98949285T DK1025662T3 (da) 1997-10-21 1998-10-16 Kanalsimulator til mobilsystemer
NO20001991A NO320583B1 (no) 1997-10-21 2000-04-17 Anordning og fremgangsmate for simulering av en radiokanal i et mobilt kommunikasjonssystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703827A SE521039C2 (sv) 1997-10-21 1997-10-21 Kanalsimulator för mobila system

Publications (3)

Publication Number Publication Date
SE9703827D0 SE9703827D0 (sv) 1997-10-21
SE9703827L true SE9703827L (sv) 1999-04-22
SE521039C2 SE521039C2 (sv) 2003-09-23

Family

ID=20408681

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703827A SE521039C2 (sv) 1997-10-21 1997-10-21 Kanalsimulator för mobila system

Country Status (8)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI113313B (sv) 2001-11-27 2004-03-31 Elektrobit Oy Förfarande och anordning för simulering av en radiokanal
EP1983780B1 (en) * 2002-12-16 2011-07-20 Research In Motion Limited Methods and apparatus for reducing power consumption in CDMA communication device
FI116432B (sv) 2003-05-15 2005-11-15 Elektrobit Testing Oy Förfarande och arrangemang för att utföra kanalsimulering
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 (sv) * 1992-04-01 1995-10-25 Ne Products Oy Fädningssimulator för en radiokanal och ett förfarande för simulering av fädning
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
SE521039C2 (sv) 2003-09-23
EP1025662A2 (en) 2000-08-09
WO1999021305A2 (en) 1999-04-29
DK1025662T3 (da) 2006-06-06
EE03892B1 (et) 2002-10-15
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

Similar Documents

Publication Publication Date Title
SE9703827L (sv) Kanalsimulator för mobila system
US5959982A (en) Method and apparatus for adapting a time division duplex timing device for propagation delay
FI971270A (sv) Dataöverföringsförfarande i ett TDMA-mobilradiosystem
SE0004403D0 (sv) Methods and arrangements in a telecommunications system
EP1768284B1 (en) MIMO channel emulator
DK0550540T3 (da) Variabel højttalerdæmpning baseret på modtagne data
FI20012178A0 (sv) Förfarande och anordning för simulering av en radiokanal
AU2871000A (en) Method and system using transmit diversity techniques
ATE555624T1 (de) Einrichtung und verfahren zur sprachdatenpaketübertragung in einem mobilübertragungssystem
ATE306764T1 (de) Lehrverfahren und system, das drahtlose kommunikation anwendet
WO2006060441A3 (en) Isolation of transmit and receive signals
FI981902A0 (sv) Säkerhetsmodul, säkerhetssystem och mobilteleapparat
HK1051452A1 (en) Method for emulating a constant delay network and performing constant delay communication over heterogeneous networks
NO20001072D0 (no) Fremgangsmõte for sending av data, samt mobiltelefonsystem
AU2003257390A1 (en) Method, subscriber terminal and radio communication system for transmitting user data messages
EP1175120A4 (en) MOBILE STATION APPARATUS, BASE STATION APPARATUS, AND COMMUNICATION CHANNEL ASSIGNMENT METHOD
AU7056500A (en) Apparatus and methods for receiving information using variable length accumulation searchers
CA2308425A1 (en) Device and method for communicating reverse pilot signal in mobile communication system
WO2000016437A3 (en) Device and method for performing frame sync using sync channel in mobile communication system
ES2194019T3 (es) Comunicacion a traves de un canal que tiene un retardo de propagacion variable.
ATE225099T1 (de) System zur sendeleistungsregelung in einem basistation in verbindung mit verschiedenen mobilestationen
EP0111411A3 (en) Communications systems
ATE368966T1 (de) Übertragungszeitsteuerungsverfahren in einem mobilen funkkommunikationssystem
KR950022211A (ko) 이동통신용 페이더(Fader) 내장형 무선 채널 시뮬레이터 장치
KR960007658B1 (ko) 탄성표면파 소자를 이용한 무선 채널 시뮬레이터 장치

Legal Events

Date Code Title Description
NUG Patent has lapsed