FI960365A - Epävarmuuden ratkaiseminen suorasekvenssi hajaspektrimodulaatiojärjestelmissä - Google Patents

Epävarmuuden ratkaiseminen suorasekvenssi hajaspektrimodulaatiojärjestelmissä Download PDF

Info

Publication number
FI960365A
FI960365A FI960365A FI960365A FI960365A FI 960365 A FI960365 A FI 960365A FI 960365 A FI960365 A FI 960365A FI 960365 A FI960365 A FI 960365A FI 960365 A FI960365 A FI 960365A
Authority
FI
Finland
Prior art keywords
direct sequence
spectrum modulation
modulation systems
sequence spectrum
uncertainty
Prior art date
Application number
FI960365A
Other languages
English (en)
Swedish (sv)
Other versions
FI960365A0 (fi
Inventor
Anthony Peter Hulbert
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
Application filed by Roke Manor Research filed Critical Roke Manor Research
Publication of FI960365A publication Critical patent/FI960365A/fi
Publication of FI960365A0 publication Critical patent/FI960365A0/fi

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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FI960365A 1994-05-28 1996-01-26 Epävarmuuden ratkaiseminen suorasekvenssi hajaspektrimodulaatiojärjestelmissä FI960365A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9410812A GB2290010B (en) 1994-05-28 1994-05-28 Ambiguity resolution in direct sequence spread spectrum modulation systems
PCT/GB1995/001201 WO1995033311A1 (en) 1994-05-28 1995-05-25 Ambiguity resolution in direct sequence spread spectrum modulation systems

Publications (2)

Publication Number Publication Date
FI960365A true FI960365A (fi) 1996-01-26
FI960365A0 FI960365A0 (fi) 1996-01-26

Family

ID=10755918

Family Applications (1)

Application Number Title Priority Date Filing Date
FI960365A FI960365A0 (fi) 1994-05-28 1996-01-26 Epävarmuuden ratkaiseminen suorasekvenssi hajaspektrimodulaatiojärjestelmissä

Country Status (6)

Country Link
US (1) US5809062A (fi)
EP (1) EP0711473B1 (fi)
DE (1) DE69518131T2 (fi)
FI (1) FI960365A0 (fi)
GB (1) GB2290010B (fi)
WO (1) WO1995033311A1 (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5812542A (en) * 1996-03-18 1998-09-22 Motorola, Inc. Method for determining weighting coefficients in a CDMA radio receiver
US5809020A (en) * 1996-03-18 1998-09-15 Motorola, Inc. Method for adaptively adjusting weighting coefficients in a cDMA radio receiver
JPH10190626A (ja) * 1996-12-27 1998-07-21 Matsushita Electric Ind Co Ltd Ｃｄｍａ受信装置
JP3159378B2 (ja) * 1997-08-13 2001-04-23 日本電気株式会社 スペクトル拡散通信方式
US6185258B1 (en) 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
WO1999023766A2 (en) 1997-10-31 1999-05-14 At & T Wireless Services, Inc. Maximum likelihood detection of concatenated space-time codes for wireless applications with transmitter diversity
US6188736B1 (en) 1997-12-23 2001-02-13 At&T Wireless Svcs. Inc. Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
CN1114282C (zh) * 1998-05-12 2003-07-09 三星电子株式会社 减小移动台发射功率的蜂值与平均值功率比的装置和方法
US6459740B1 (en) 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
US6041073A (en) * 1998-09-18 2000-03-21 Golden Bridge Technology, Inc. Multi-clock matched filter for receiving signals with multipath
JP3292161B2 (ja) * 1998-12-24 2002-06-17 日本電気株式会社 Ｃｄｍａ方式における受信装置
US6594303B1 (en) * 1999-01-11 2003-07-15 Qualcomm Incorporated Coherent demodulator for use in the presence of phase discontinuities
JP3440048B2 (ja) * 2000-02-14 2003-08-25 松下電器産業株式会社 受信装置およびパイロット信号の受信方法
KR100438447B1 (ko) * 2000-10-20 2004-07-03 삼성전자주식회사 이동통신시스템에서 버스트 파일롯 송신장치 및 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435822A (en) * 1982-05-19 1984-03-06 Sperry Corporation Coherent spread spectrum receiving apparatus
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5519730A (en) * 1990-06-12 1996-05-21 Jasper; Steven C. Communication signal having a time domain pilot component
JP2831122B2 (ja) * 1990-11-29 1998-12-02 クラリオン株式会社 スペクトラム拡散通信方式
GB2268371B (en) * 1992-04-10 1995-09-20 Roke Manor Research Radio communication systems
JP2771757B2 (ja) * 1992-06-29 1998-07-02 三菱電機株式会社 スペクトル拡散通信用受信装置のデータ復調回路

Also Published As

Publication number Publication date
GB2290010B (en) 1998-09-09
GB2290010A (en) 1995-12-06
US5809062A (en) 1998-09-15
DE69518131D1 (de) 2000-08-31
EP0711473B1 (en) 2000-07-26
EP0711473A1 (en) 1996-05-15
DE69518131T2 (de) 2001-03-22
GB9410812D0 (en) 1994-07-27
WO1995033311A1 (en) 1995-12-07
FI960365A0 (fi) 1996-01-26

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