FI946184A0 - Anordning att använda i utrustning för att åstadkomma en digital radioförbindelse mellan en fast radioenhet och en mobilenhet - Google Patents

Anordning att använda i utrustning för att åstadkomma en digital radioförbindelse mellan en fast radioenhet och en mobilenhet

Info

Publication number
FI946184A0
FI946184A0 FI946184A FI946184A FI946184A0 FI 946184 A0 FI946184 A0 FI 946184A0 FI 946184 A FI946184 A FI 946184A FI 946184 A FI946184 A FI 946184A FI 946184 A0 FI946184 A0 FI 946184A0
Authority
FI
Finland
Prior art keywords
unit
equipment
providing
mobile unit
digital radio
Prior art date
Application number
FI946184A
Other languages
English (en)
Finnish (fi)
Other versions
FI946184A (sv
Inventor
Anthony Peter Hulbert
David Peter Chandler
Original Assignee
Roke Manor Research
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
Priority claimed from GB939311373A external-priority patent/GB9311373D0/en
Application filed by Roke Manor Research filed Critical Roke Manor Research
Publication of FI946184A0 publication Critical patent/FI946184A0/sv
Publication of FI946184A publication Critical patent/FI946184A/sv

Links

Classifications

    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FI946184A 1993-06-02 1994-12-30 Anordning att använda i utrustning för att åstadkomma en digital radioförbindelse mellan en fast radioenhet och en mobilenhet FI946184A (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB939311373A GB9311373D0 (en) 1993-06-02 1993-06-02 Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
GB9316489A GB2278983B (en) 1993-06-02 1993-08-09 Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
PCT/GB1994/000585 WO1994028640A1 (en) 1993-06-02 1994-03-22 Rake receiver combining all the useful multipath components of a spread spectrum signal

Publications (2)

Publication Number Publication Date
FI946184A0 true FI946184A0 (sv) 1994-12-30
FI946184A FI946184A (sv) 1994-12-30

Family

ID=26302989

Family Applications (1)

Application Number Title Priority Date Filing Date
FI946184A FI946184A (sv) 1993-06-02 1994-12-30 Anordning att använda i utrustning för att åstadkomma en digital radioförbindelse mellan en fast radioenhet och en mobilenhet

Country Status (6)

Country Link
US (1) US5793796A (sv)
EP (1) EP0653127A1 (sv)
JP (1) JPH07509831A (sv)
CN (1) CN1064494C (sv)
FI (1) FI946184A (sv)
WO (1) WO1994028640A1 (sv)

Families Citing this family (32)

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US6448926B1 (en) 1993-11-19 2002-09-10 Itt Manufacturing Enterprises, Inc. Multi-band, multi-function integrated transceiver
US5623511A (en) * 1994-08-30 1997-04-22 Lucent Technologies Inc. Spread spectrum code pulse position modulated receiver having delay spread compensation
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
USRE38523E1 (en) 1995-06-30 2004-06-01 Interdigital Technology Corporation Spreading code sequence acquisition system and method that allows fast acquisition in code division multiple access (CDMA) systems
US6510687B1 (en) 1996-06-14 2003-01-28 Sharav Sluices Ltd. Renewable resource hydro/aero-power generation plant and method of generating hydro/aero-power
US6026115A (en) * 1996-08-23 2000-02-15 Ntt Mobile Communications Network, Inc. Rake receiver
US6201799B1 (en) * 1997-05-01 2001-03-13 Lucent Technologies, Inc Partial decorrelation for a coherent multicode code division multiple access receiver
US6067315A (en) * 1997-12-04 2000-05-23 Telefonaktiebolaget Lm Ericsson Method and apparatus for coherently-averaged power estimation
US6421334B1 (en) * 1998-05-13 2002-07-16 Nortel Networks Limited Technique for time alignment of uplink CDMA signals
US6157820A (en) * 1998-06-12 2000-12-05 Ericsson Inc. Pilot strength measurement and multipath delay searcher for CDMA receiver
DE19832851C1 (de) * 1998-07-21 2000-03-30 Siemens Ag Akquisitionsverfahren und Anordnung zur Durchführung des Verfahrens
FI106897B (sv) 1998-09-14 2001-04-30 Nokia Networks Oy RAKE-mottagare
US6130923A (en) * 1998-12-11 2000-10-10 Qualcomm Incorporated Lock detection for multipath wireless receiver
US6278725B1 (en) 1998-12-18 2001-08-21 Philips Electronics North America Corporation Automatic frequency control loop multipath combiner for a rake receiver
FI982856A (sv) 1998-12-31 2000-07-01 Nokia Networks Oy Mottagningsförfarande och mottagare
US6404758B1 (en) * 1999-04-19 2002-06-11 Ericsson, Inc. System and method for achieving slot synchronization in a wideband CDMA system in the presence of large initial frequency errors
US6314130B1 (en) 1999-04-28 2001-11-06 Dspc Technologies, Ltd. System and method for joint time tracking of multiple paths
JP3367475B2 (ja) * 1999-07-06 2003-01-14 日本電気株式会社 無線通信機および無線通信機の消費電力制御方法
US6421372B1 (en) 1999-11-10 2002-07-16 Itt Manufacturing Enterprises, Inc. Sequential-acquisition, multi-band, multi-channel, matched filter
ES2264586T3 (es) 1999-11-26 2007-01-01 Nokia Corporation Receptor rake.
EP1161111B1 (en) * 2000-01-12 2004-09-29 Mitsubishi Denki Kabushiki Kaisha Accelerated cell search in a mobile communication system
US6831942B2 (en) * 2000-01-14 2004-12-14 University Of Hong Kong MPSK spread spectrum communications receiver with carrier recovery and tracking using weighted correlation techniques
US6370182B2 (en) 2000-02-10 2002-04-09 Itt Manufacturing Enterprises, Inc. Integrated beamforming/rake/mud CDMA receiver architecture
DE10012875B4 (de) * 2000-03-16 2004-04-01 Infineon Technologies Ag Mobilfunkempfänger
SE0003289D0 (sv) * 2000-05-18 2000-09-15 Ericsson Telefon Ab L M Radio receiver and channel estimator
US7120134B2 (en) * 2001-02-15 2006-10-10 Qualcomm, Incorporated Reverse link channel architecture for a wireless communication system
DE10133898C1 (de) * 2001-07-12 2002-10-17 Infineon Technologies Ag Empfänger mit einem integrierten Taktphasendetektor
US7292624B2 (en) * 2002-08-27 2007-11-06 Itt Manufacturing, Inc. Method and apparatus for robust acquisition of spread spectrum signals
US20050013390A1 (en) * 2003-07-14 2005-01-20 Tufvesson Anders Fredrik Hybrid UWB receiver with matched filters and pulse correlator
JP4009672B2 (ja) * 2003-10-30 2007-11-21 テクトロニクス・インターナショナル・セールス・ゲーエムベーハー デジタル変調信号伝送回路の測定方法
US8195001B2 (en) 2008-04-09 2012-06-05 Intel Corporation In-loop adaptive wiener filter for video coding and decoding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665404A (en) * 1983-10-24 1987-05-12 Offshore Navigation, Inc. High frequency spread spectrum positioning system and method therefor
GB9023605D0 (en) * 1990-10-30 1990-12-12 British Telecomm Digital radio
US5224122A (en) * 1992-06-29 1993-06-29 Motorola, Inc. Method and apparatus for canceling spread-spectrum noise
US5329547A (en) * 1993-03-11 1994-07-12 Motorola, Inc. Method and apparatus for coherent communication in a spread-spectrum communication system
FR2709028B1 (fr) * 1993-08-13 1995-10-20 Matra Communication Procédé de sélection des trajets de propagation retenus pour recevoir des messages transmis par radiocommunication AMRC.
US5361276A (en) * 1993-09-13 1994-11-01 At&T Bell Laboratories All digital maximum likelihood based spread spectrum receiver
US5404377A (en) * 1994-04-08 1995-04-04 Moses; Donald W. Simultaneous transmission of data and audio signals by means of perceptual coding

Also Published As

Publication number Publication date
WO1994028640A1 (en) 1994-12-08
CN1064494C (zh) 2001-04-11
US5793796A (en) 1998-08-11
CN1109266A (zh) 1995-09-27
JPH07509831A (ja) 1995-10-26
EP0653127A1 (en) 1995-05-17
FI946184A (sv) 1994-12-30

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