TW200625840A - System and method for reducing rake finger processing - Google Patents

System and method for reducing rake finger processing

Info

Publication number
TW200625840A
TW200625840A TW094125885A TW94125885A TW200625840A TW 200625840 A TW200625840 A TW 200625840A TW 094125885 A TW094125885 A TW 094125885A TW 94125885 A TW94125885 A TW 94125885A TW 200625840 A TW200625840 A TW 200625840A
Authority
TW
Taiwan
Prior art keywords
fingers
determining
transmit power
rake finger
finger processing
Prior art date
Application number
TW094125885A
Other languages
English (en)
Inventor
Ranganathan Krishnan
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
Publication of TW200625840A publication Critical patent/TW200625840A/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/362—Aspects of the step size
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Radio Transmission System (AREA)
  • Transceivers (AREA)
TW094125885A 2004-07-29 2005-07-29 System and method for reducing rake finger processing TW200625840A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/903,814 US7292826B2 (en) 2004-07-29 2004-07-29 System and method for reducing rake finger processing

Publications (1)

Publication Number Publication Date
TW200625840A true TW200625840A (en) 2006-07-16

Family

ID=35079410

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094125885A TW200625840A (en) 2004-07-29 2005-07-29 System and method for reducing rake finger processing

Country Status (7)

Country Link
US (2) US7292826B2 (zh)
EP (1) EP1771951A2 (zh)
JP (2) JP4554682B2 (zh)
CN (1) CN101032091A (zh)
CA (1) CA2575315A1 (zh)
TW (1) TW200625840A (zh)
WO (1) WO2006015228A2 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7769115B2 (en) * 2004-10-01 2010-08-03 Regents Of The University Of Minnesota Noncoherent ultra-wideband (UWB) demodulation
US7873125B2 (en) * 2006-11-30 2011-01-18 Broadcom Corporation Method and system for sliding window phase estimator for WCDMA automatic frequency correction
US8429475B2 (en) * 2009-02-27 2013-04-23 Research In Motion Limited State dependent advanced receiver processing in a wireless mobile device
US10474462B2 (en) * 2016-02-29 2019-11-12 Qualcomm Incorporated Dynamic pipeline throttling using confidence-based weighting of in-flight branch instructions

Family Cites Families (28)

* 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
DE3734528A1 (de) * 1987-10-13 1989-05-03 Hoechst Ag Verwendung von farbmitteln fuer aufzeichnungsfluessigkeiten
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
ZA938324B (en) * 1992-11-24 1994-06-07 Qualcomm Inc Pilot carrier dot product circuit
JPH07231278A (ja) * 1994-02-18 1995-08-29 Fujitsu Ltd 直接拡散スペクトル拡散通信方式によるレイク受信機
US6205190B1 (en) * 1996-04-29 2001-03-20 Qualcomm Inc. System and method for reducing interference generated by a CDMA communications device
JP2924864B2 (ja) * 1997-06-16 1999-07-26 日本電気株式会社 適応レイク受信方式
US6574211B2 (en) * 1997-11-03 2003-06-03 Qualcomm Incorporated Method and apparatus for high rate packet data transmission
US6292519B1 (en) * 1998-03-11 2001-09-18 Telefonaktiebolaget Lm Ericsson (Publ) Correction of signal-to-interference ratio measurements
JP3251242B2 (ja) * 1998-09-16 2002-01-28 沖電気工業株式会社 拡散符号同期回路及び拡散符号同期方法
US6625197B1 (en) * 1998-10-27 2003-09-23 Qualcomm Incorporated Method and apparatus for multipath demodulation in a code division multiple access communication system
US6717976B1 (en) * 1998-12-21 2004-04-06 Nortel Networks Ltd. Method and apparatus for signal to noise power ratio estimation in a multi sub-channel CDMA receiver
FI991448A (fi) 1999-06-24 2000-12-25 Nokia Networks Oy Lähetystehon säätömenetelmä
JP2001244859A (ja) * 2000-02-29 2001-09-07 Toshiba Corp 移動無線通信端末
DE10012875B4 (de) * 2000-03-16 2004-04-01 Infineon Technologies Ag Mobilfunkempfänger
JP2001358614A (ja) * 2000-06-15 2001-12-26 Sanyo Electric Co Ltd Ｃｄｍａ信号受信装置及び電話機
JP2002171202A (ja) * 2000-11-30 2002-06-14 Oki Electric Ind Co Ltd 同期制御装置
DE10123333A1 (de) * 2001-05-14 2002-11-28 Infineon Technologies Ag Mehrteilnehmer-Detektion mittels RAKE-Empfänger-Struktur
DE10123334A1 (de) * 2001-05-14 2002-12-05 Infineon Technologies Ag RAKE-Empfänger für FDD und TDD Mode
US6754254B2 (en) * 2001-11-09 2004-06-22 Qualcomm Incorporated Control of transit power during out-of-lock condition
US7058116B2 (en) * 2002-01-25 2006-06-06 Intel Corporation Receiver architecture for CDMA receiver downlink
MXPA04007880A (es) * 2002-02-12 2004-10-15 Interdigital Tech Corp Receptor para estaciones de telecomunicacion inalambrica y metodo.
US6748009B2 (en) * 2002-02-12 2004-06-08 Interdigital Technology Corporation Receiver for wireless telecommunication stations and method
WO2004017534A1 (en) * 2002-08-19 2004-02-26 Nokia Corporation Rake receiver
GB2395625B (en) * 2002-11-20 2005-01-12 Toshiba Res Europ Ltd Reduced power consumption signal processing methods and apparatus
US20060274819A1 (en) * 2003-01-30 2006-12-07 Magnus Bengtsson Truncation and level adjustment of rake output symbols
DE10345959B4 (de) * 2003-10-02 2005-12-15 Infineon Technologies Ag Betriebssituationsabhängige Ermittlung und Selektion der Übertragungspfade für die Einrichtung von Rake-Fingern von Rake-Empfängereinheiten in Mobilkommunikations-Endgeräten
US7359728B2 (en) * 2004-06-01 2008-04-15 Qualcomm, Incorporated Modified power control for reduction of system power consumption

Also Published As

Publication number Publication date
JP4554682B2 (ja) 2010-09-29
US7447481B2 (en) 2008-11-04
EP1771951A2 (en) 2007-04-11
US20080020713A1 (en) 2008-01-24
US7292826B2 (en) 2007-11-06
JP2008508811A (ja) 2008-03-21
CN101032091A (zh) 2007-09-05
US20060025082A1 (en) 2006-02-02
CA2575315A1 (en) 2006-02-09
WO2006015228A2 (en) 2006-02-09
WO2006015228A3 (en) 2006-03-30
JP2010148117A (ja) 2010-07-01

Similar Documents

Publication Publication Date Title
WO2008131443A3 (en) Method and apparatus for controlling data transmission in a wireless communication system
WO2007050894A3 (en) A method and apparatus for processing binduati state in wireless communication systems
WO2005117356A3 (en) Quarantine networking
WO2011028951A3 (en) Output power control for advanced wlan and bluetooth-amp systems
WO2009158163A3 (en) A method for using an adaptive waiting time threshold estimation for power saving in sleep mode of an electronic device
EP1811684A3 (en) Transmission power control technique and wireless communications system using the same
WO2007002958A3 (en) Enhancements to universal serial bus (usb) suspend and resume operations
TW200742307A (en) Power control in communication systems
EP1958344A4 (en) SYSTEM FOR CONTROLLING AGREED RATE COMMUNICATION SERVICES RATE CONTROL
TW200723808A (en) Systems and methods for arbitrating multiple communications
WO2005040959A3 (en) Packet scheduling system and method in mobile communication system
WO2009038312A3 (en) A method for handling correctly received but header compression failed packets
EP2122957A4 (en) METHOD FOR RETRIEVING DATA IN A WIRELESS COMMUNICATION SYSTEM AND DEVICE FOR IMPLEMENTING IT
TW200625840A (en) System and method for reducing rake finger processing
TW200719611A (en) Power consumption control methods applied to commuincation systems, and related devices
BRPI0407540A (pt) receptor de comunicação com um equalizador adaptativo baseado em rake
NO20012134L (no) Fremgangsmåte for prosessering av CDMA signalkomponenter
WO2008136079A1 (ja) イコライザの制御装置及び制御方法並びに前記制御装置をそなえた無線端末
AU2003260498A1 (en) Advanced rake delay control
WO2010080284A3 (en) Search engine design and computational cost analysis
EP4020749A4 (en) CONTROL SYSTEM AND METHOD FOR IMPROVING BATTERY PERFORMANCE ENERGY EFFICIENCY, AND ELECTRONIC DEVICE
TW200723720A (en) Improved CDMA TDD receiver
WO2011009272A8 (zh) 上行链路功率控制中统一调度的方法和装置
EP4044694A4 (en) METHOD OF CONTROLLING POWER CONSUMPTION, CHIP SYSTEM AND TERMINAL
AU2003275272A1 (en) A composite waveform for ultra-wideband system