WO2000041327A3 - Reception method and receiver - Google Patents

Reception method and receiver Download PDF

Info

Publication number
WO2000041327A3
WO2000041327A3 PCT/FI1999/001084 FI9901084W WO0041327A3 WO 2000041327 A3 WO2000041327 A3 WO 2000041327A3 FI 9901084 W FI9901084 W FI 9901084W WO 0041327 A3 WO0041327 A3 WO 0041327A3
Authority
WO
WIPO (PCT)
Prior art keywords
receiver
delay
signals
distribution device
signal
Prior art date
Application number
PCT/FI1999/001084
Other languages
French (fr)
Other versions
WO2000041327A2 (en
Inventor
Marko Heinilae
Original Assignee
Nokia Networks Oy
Marko Heinilae
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 Networks Oy, Marko Heinilae filed Critical Nokia Networks Oy
Priority to DE69940054T priority Critical patent/DE69940054D1/en
Priority to AU30483/00A priority patent/AU3048300A/en
Priority to EP99964719A priority patent/EP1066689B1/en
Priority to US09/623,041 priority patent/US6757345B1/en
Publication of WO2000041327A2 publication Critical patent/WO2000041327A2/en
Priority to NO20004314A priority patent/NO20004314L/en
Publication of WO2000041327A3 publication Critical patent/WO2000041327A3/en

Links

Classifications

    • 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
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • 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
    • H04B1/7113—Determination of path profile
    • 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
    • H04B7/0891—Space-time 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
    • H04B1/69—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
    • 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]

Landscapes

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • External Artificial Organs (AREA)
  • Prostheses (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

The invention relates to a reception method and a receiver to receive signals supplied from a radio path, and the signals comprise information and each signal which arrives at the receiver is delayed by a unique delay value. The receiver comprises a device (30) and a distribution device (50) to determine the strengh of a part of a signal delayed by a certain propagation delay by several values of the propagation delay. The distribution device (50) compares the delay differences of the received signals with each other and forms sums of the strengths of the signal parts determined by different values of the propagation delay. The distribution device (50) selects from among the received signals those signals whose delay values deviate at least by a predetermined delay difference and whose sum of the strenghs of the signal parts obtains the highest possible value. The receiver indicates the received information by using the signals selected above.
PCT/FI1999/001084 1998-12-31 1999-12-28 Reception method and receiver WO2000041327A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE69940054T DE69940054D1 (en) 1998-12-31 1999-12-28 Receiving procedure and receiver
AU30483/00A AU3048300A (en) 1998-12-31 1999-12-28 Reception method and receiver
EP99964719A EP1066689B1 (en) 1998-12-31 1999-12-28 Reception method and receiver
US09/623,041 US6757345B1 (en) 1998-12-31 1999-12-28 Reception method and receiver
NO20004314A NO20004314L (en) 1998-12-31 2000-08-30 Reception procedure as well as recipient

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI982856A FI982856A (en) 1998-12-31 1998-12-31 Reception procedure and recipients
FI982856 1998-12-31

Publications (2)

Publication Number Publication Date
WO2000041327A2 WO2000041327A2 (en) 2000-07-13
WO2000041327A3 true WO2000041327A3 (en) 2000-09-21

Family

ID=8553246

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1999/001084 WO2000041327A2 (en) 1998-12-31 1999-12-28 Reception method and receiver

Country Status (9)

Country Link
US (1) US6757345B1 (en)
EP (1) EP1066689B1 (en)
CN (1) CN1134906C (en)
AT (1) ATE417411T1 (en)
AU (1) AU3048300A (en)
DE (1) DE69940054D1 (en)
FI (1) FI982856A (en)
NO (1) NO20004314L (en)
WO (1) WO2000041327A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI113921B (en) 2000-10-30 2004-06-30 Nokia Corp Receiver, Receiving Method, Computer Program, and Computer Memory
DE60032906T2 (en) * 2000-11-07 2007-10-25 Stmicroelectronics N.V. Method and device for channel estimation, in particular for a mobile telephone
US7778312B2 (en) * 2000-12-22 2010-08-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for selecting demodulation processing delays in a receiver
FI20012475A0 (en) * 2001-12-14 2001-12-14 Nokia Corp Communication method and receiver
GB0219213D0 (en) * 2002-08-16 2002-09-25 Koninkl Philips Electronics Nv Improvements in or relating to wireless radio receivers
DE60218757T2 (en) * 2002-08-19 2007-12-06 Nokia Corp. RAKE RECEIVER
US7460583B2 (en) * 2003-12-15 2008-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Method for path searching and verification
US9542642B2 (en) * 2006-04-06 2017-01-10 Samuel F. Wood Packet data neural network system and method
US8391335B2 (en) * 2006-10-13 2013-03-05 Rpx Corporation Apparatus and method for correlation in a GPS receiver
IN2012DN00990A (en) * 2009-08-13 2015-04-10 Sony Corp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0690588A2 (en) * 1994-07-01 1996-01-03 Roke Manor Research Limited RAKE receiver combining all the useful multipath components of a spread spectrum signal
WO1996010873A1 (en) * 1994-09-30 1996-04-11 Qualcomm Incorporated Multipath search processor for a spread spectrum multiple access communication system
EP0790711A1 (en) * 1995-09-04 1997-08-20 Matsushita Electric Industrial Co., Ltd. Spread spectrum radio transmission digital mobile communication device
US5757853A (en) * 1995-03-22 1998-05-26 Nec Corporation Spread spectrum time diversity communications system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1064494C (en) 1993-06-02 2001-04-11 罗克马诺尔研究有限公司 Rake receiver combining all the useful multipath components of a spread spectrum signal
US5627856A (en) 1994-09-09 1997-05-06 Omnipoint Corporation Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
FR2737362B1 (en) 1995-07-25 1997-10-10 Matra Communication PROCESS FOR SELECTING THE PROPAGATION DELAYS RETAINED TO RECEIVE MESSAGES TRANSMITTED BY RADIOCOMMUNICATION WITH A SPREAD OF SPECTRUM
JP2820918B2 (en) * 1996-03-08 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 Spread spectrum communication equipment
JP3310160B2 (en) * 1996-03-29 2002-07-29 松下電器産業株式会社 Spread spectrum receiver
JPH10173630A (en) * 1996-12-13 1998-06-26 Nec Corp Cdma chip-synchronizing circuit
JPH10190528A (en) 1996-12-25 1998-07-21 Matsushita Electric Ind Co Ltd Spread spectrum receiver
US5917851A (en) * 1996-12-30 1999-06-29 Nokia Telecommunications Oy Method for allocating rake branches and rake receiver
JP2853705B2 (en) * 1997-05-07 1999-02-03 日本電気株式会社 Spread spectrum communication receiver
JP2856198B2 (en) * 1997-06-11 1999-02-10 日本電気株式会社 Spread spectrum receiver
JP3159378B2 (en) * 1997-08-13 2001-04-23 日本電気株式会社 Spread spectrum communication system
US6373882B1 (en) * 1998-11-06 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Motion estimator for a CDMA mobile station

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0690588A2 (en) * 1994-07-01 1996-01-03 Roke Manor Research Limited RAKE receiver combining all the useful multipath components of a spread spectrum signal
WO1996010873A1 (en) * 1994-09-30 1996-04-11 Qualcomm Incorporated Multipath search processor for a spread spectrum multiple access communication system
US5757853A (en) * 1995-03-22 1998-05-26 Nec Corporation Spread spectrum time diversity communications system
EP0790711A1 (en) * 1995-09-04 1997-08-20 Matsushita Electric Industrial Co., Ltd. Spread spectrum radio transmission digital mobile communication device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FURIO I. ET AL.: "I-QTCM QPSK synchronous DS/CDMA over frequency-selective multipath Rayleigh fading channels with selection diversity", THE 8TH IEEE INTERNATIONAL SYMPOSIUM ON WAVES OF THE YEAR 2000, PIMCR '97,, vol. 1, 1997, pages 216 - 220 *
KISHI M. ET AL.: "Application of the short time DFT correlator to the RAKE receiver for DS/SScommunication system and its BER improvement effect", SIXT IEEE INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, 1995, PIMRC'95, WIRELESS: MERGING ONTO THE INFORMATION SUPERHIGHWAY,, vol. 1, 1995, pages 208 - 212 *

Also Published As

Publication number Publication date
DE69940054D1 (en) 2009-01-22
NO20004314D0 (en) 2000-08-30
CN1292173A (en) 2001-04-18
FI982856A (en) 2000-07-01
US6757345B1 (en) 2004-06-29
EP1066689B1 (en) 2008-12-10
AU3048300A (en) 2000-07-24
NO20004314L (en) 2000-08-30
ATE417411T1 (en) 2008-12-15
CN1134906C (en) 2004-01-14
FI982856A0 (en) 1998-12-31
WO2000041327A2 (en) 2000-07-13
EP1066689A2 (en) 2001-01-10

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