ATE391360T1 - Verfahren und gerät zur energieschätzung in einem drahtlosen empfänger der mehrere teile eines gemeinsamen signals empfangen kann - Google Patents

Verfahren und gerät zur energieschätzung in einem drahtlosen empfänger der mehrere teile eines gemeinsamen signals empfangen kann

Info

Publication number
ATE391360T1
ATE391360T1 AT00914732T AT00914732T ATE391360T1 AT E391360 T1 ATE391360 T1 AT E391360T1 AT 00914732 T AT00914732 T AT 00914732T AT 00914732 T AT00914732 T AT 00914732T AT E391360 T1 ATE391360 T1 AT E391360T1
Authority
AT
Austria
Prior art keywords
signal
energy
energy values
wireless receiver
common signal
Prior art date
Application number
AT00914732T
Other languages
English (en)
Inventor
Jeffrey Levin
Christopher Riddle
Thomas Sherman
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE391360T1 publication Critical patent/ATE391360T1/de

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
    • 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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Radio Transmission System (AREA)
  • Lock And Its Accessories (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
AT00914732T 1999-02-25 2000-02-24 Verfahren und gerät zur energieschätzung in einem drahtlosen empfänger der mehrere teile eines gemeinsamen signals empfangen kann ATE391360T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/258,086 US6229841B1 (en) 1998-12-11 1999-02-25 Method and apparatus for energy estimation in a wireless receiver capable of receiving multiple instances of a common signal

Publications (1)

Publication Number Publication Date
ATE391360T1 true ATE391360T1 (de) 2008-04-15

Family

ID=22979050

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00914732T ATE391360T1 (de) 1999-02-25 2000-02-24 Verfahren und gerät zur energieschätzung in einem drahtlosen empfänger der mehrere teile eines gemeinsamen signals empfangen kann

Country Status (9)

Country Link
US (1) US6229841B1 (de)
EP (1) EP1155510B1 (de)
JP (2) JP5021118B2 (de)
KR (1) KR100837132B1 (de)
AT (1) ATE391360T1 (de)
AU (1) AU769479B2 (de)
CA (1) CA2361911C (de)
DE (1) DE60038484T2 (de)
WO (1) WO2000051261A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6487236B1 (en) * 1998-09-30 2002-11-26 Fujitsu Limited Method and apparatus for achieving demodulation in radio communications system using M-sequence orthogonal modulation
US6229841B1 (en) * 1998-12-11 2001-05-08 Qualcomm Incorporated Method and apparatus for energy estimation in a wireless receiver capable of receiving multiple instances of a common signal
KR100773794B1 (ko) * 2000-02-23 2007-11-07 아이피알 라이센싱, 인코포레이티드 충돌 검출 기능을 갖는 액세스 프로브 응답
AU2001283124A1 (en) * 2000-07-31 2002-02-13 Morphics Technology, Inc. Generic finger architecture for spread spectrum applications
US20030060878A1 (en) * 2001-08-31 2003-03-27 Shadduck John H. Intraocular lens system and method for power adjustment
US7236515B1 (en) * 2001-11-19 2007-06-26 Sprint Spectrum L.P. Forward link time delay for distributed antenna system
EP1446893B1 (de) 2001-11-20 2009-01-07 MediaTek Inc. Verfahren und vorrichtungen zur spreizspektrum-signalverarbeitung unter verwendung eines unkonfigurierbaren koprozessors
US6967989B2 (en) * 2002-05-17 2005-11-22 Motorola, Inc. Method and apparatus for time-sharing a rake receiver structure
CN1890890A (zh) * 2003-12-04 2007-01-03 皇家飞利浦电子股份有限公司 包括瑞克接收机的站

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US4894842A (en) 1987-10-15 1990-01-16 The Charles Stark Draper Laboratory, Inc. Precorrelation digital spread spectrum receiver
US5101501A (en) 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5109390A (en) 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5056109A (en) 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5150384A (en) * 1990-09-28 1992-09-22 Motorola, Inc. Carrier recovery method and apparatus having an adjustable response time determined by carrier signal parameters
ZA938324B (en) 1992-11-24 1994-06-07 Qualcomm Inc Pilot carrier dot product circuit
US5442627A (en) 1993-06-24 1995-08-15 Qualcomm Incorporated Noncoherent receiver employing a dual-maxima metric generation process
US5361276A (en) 1993-09-13 1994-11-01 At&T Bell Laboratories All digital maximum likelihood based spread spectrum receiver
US5490165A (en) 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
US5479475A (en) 1993-11-15 1995-12-26 Qualcomm Incorporated Method and system for providing communication between standard terminal equipment using a remote communication unit
US5561618A (en) 1993-12-22 1996-10-01 Qualcomm Incorporated Method and apparatus for performing a fast Hadamard transform
JP3010227B2 (ja) * 1994-03-29 2000-02-21 松下電器産業株式会社 スペクトル拡散方式受信装置
AU687228B2 (en) 1994-07-29 1998-02-19 Qualcomm Incorporated Method and apparatus for performing code acquisition in a CDMA communications system
US5654979A (en) 1995-01-13 1997-08-05 Qualcomm Incorporated Cell site demodulation architecture for a spread spectrum multiple access communication systems
US5703902A (en) 1995-06-16 1997-12-30 Qualcomm Incorporated Method and apparatus for determining signal strength in a variable data rate system
US5764687A (en) 1995-06-20 1998-06-09 Qualcomm Incorporated Mobile demodulator architecture for a spread spectrum multiple access communication system
US5629934A (en) * 1995-06-30 1997-05-13 Motorola, Inc. Power control for CDMA communication systems
US5805648A (en) 1995-07-31 1998-09-08 Qualcomm Incorporated Method and apparatus for performing search acquisition in a CDMA communication system
US6026115A (en) * 1996-08-23 2000-02-15 Ntt Mobile Communications Network, Inc. Rake receiver
JP3001040B2 (ja) * 1996-09-20 2000-01-17 日本電気株式会社 Ｃｄｍａセルラーシステム用閉ループ送信機電力制御ユニット
US6097972A (en) * 1997-08-29 2000-08-01 Qualcomm Incorporated Method and apparatus for processing power control signals in CDMA mobile telephone system
US6067315A (en) * 1997-12-04 2000-05-23 Telefonaktiebolaget Lm Ericsson Method and apparatus for coherently-averaged power estimation
US6229841B1 (en) * 1998-12-11 2001-05-08 Qualcomm Incorporated Method and apparatus for energy estimation in a wireless receiver capable of receiving multiple instances of a common signal
US6184829B1 (en) * 1999-01-08 2001-02-06 Trueposition, Inc. Calibration for wireless location system

Also Published As

Publication number Publication date
JP2010252364A (ja) 2010-11-04
EP1155510B1 (de) 2008-04-02
KR20010102397A (ko) 2001-11-15
DE60038484T2 (de) 2009-05-07
DE60038484D1 (de) 2008-05-15
JP2002538660A (ja) 2002-11-12
EP1155510A1 (de) 2001-11-21
JP5021118B2 (ja) 2012-09-05
CA2361911C (en) 2009-11-10
WO2000051261A1 (en) 2000-08-31
KR100837132B1 (ko) 2008-06-11
AU3608300A (en) 2000-09-14
CA2361911A1 (en) 2000-08-31
AU769479B2 (en) 2004-01-29
US6229841B1 (en) 2001-05-08

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