JP5295788B2 - 受信機にてコードスペース探索を行う方法および装置 - Google Patents

受信機にてコードスペース探索を行う方法および装置 Download PDF

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Publication number
JP5295788B2
JP5295788B2 JP2008557521A JP2008557521A JP5295788B2 JP 5295788 B2 JP5295788 B2 JP 5295788B2 JP 2008557521 A JP2008557521 A JP 2008557521A JP 2008557521 A JP2008557521 A JP 2008557521A JP 5295788 B2 JP5295788 B2 JP 5295788B2
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Japan
Prior art keywords
coherent
search
searcher
memory
accelerator
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JP2008557521A
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English (en)
Japanese (ja)
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JP2009535605A (ja
Inventor
グローバー、ダグラス
パトリック、クリストファー
タン、カイ
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Qualcomm Inc
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Qualcomm Inc
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Publication of JP2009535605A publication Critical patent/JP2009535605A/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • H04B1/70775—Multi-dwell schemes, i.e. multiple accumulation times
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
JP2008557521A 2006-03-02 2007-03-02 受信機にてコードスペース探索を行う方法および装置 Active JP5295788B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US77917206P 2006-03-02 2006-03-02
US60/779,172 2006-03-02
US88532307P 2007-01-17 2007-01-17
US60/885,323 2007-01-17
PCT/US2007/063225 WO2007120995A1 (fr) 2006-03-02 2007-03-02 Procédé et appareil pour la recherche d'espaces de code dans un récepteur

Publications (2)

Publication Number Publication Date
JP2009535605A JP2009535605A (ja) 2009-10-01
JP5295788B2 true JP5295788B2 (ja) 2013-09-18

Family

ID=38609838

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008557521A Active JP5295788B2 (ja) 2006-03-02 2007-03-02 受信機にてコードスペース探索を行う方法および装置

Country Status (11)

Country Link
EP (1) EP1992080A1 (fr)
JP (1) JP5295788B2 (fr)
KR (1) KR101147942B1 (fr)
CN (1) CN101395814B (fr)
AU (1) AU2007238489A1 (fr)
BR (1) BRPI0708489A2 (fr)
CA (1) CA2640761C (fr)
IL (1) IL193093A0 (fr)
MX (1) MX2008010827A (fr)
TW (1) TWI370627B (fr)
WO (1) WO2007120995A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI426397B (zh) * 2009-06-29 2014-02-11 Lee Ming Inst Technology Can be used in a signal interval in the unequal spacing of the sample, the signal in this interval between a single and multiple numerical integration device.
EP2326022A1 (fr) * 2009-11-23 2011-05-25 Nxp B.V. Dispositif d'acquisition de signal de dispersion spectrale
JP5549471B2 (ja) * 2010-08-09 2014-07-16 株式会社デンソー 受信機
US8792438B2 (en) * 2010-10-07 2014-07-29 Futurewei Technologies, Inc. System and method for search space reconfiguration in a communications system
KR101440692B1 (ko) * 2012-05-31 2014-09-15 한국과학기술원 Ｇｎｒｓｓ 대역확산 신호의 신속한 신호 획득 및 강건한 추적을 위한 ２차원 압축 상관기
US10111248B2 (en) * 2012-06-29 2018-10-23 Blackberry Limited Method and system for cross-subframe scheduling during carrier aggregation
US9107159B2 (en) 2013-06-07 2015-08-11 Apple Inc. Enhancing jitter buffer performance through radio level feedback
DE102016109342B4 (de) 2016-05-20 2024-02-22 Infineon Technologies Ag Radarsensorsystem zur gestenerkennung und verfahren zur radarbasierten gestenerkennung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6603803B1 (en) * 1999-03-12 2003-08-05 Navcom Technology, Inc. Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath error on coded signals and carrier phase measurements
FI19992653A (fi) * 1999-12-09 2001-06-10 Nokia Mobile Phones Ltd Menetelmä vastaanottimen tahdistamiseksi ja vastaanotin
GB0126325D0 (en) * 2001-11-02 2002-01-02 Koninl Philips Electronics Nv Method and apparatus for spread spectrum signal acquisition
GB0130804D0 (en) * 2001-12-22 2002-02-06 Koninkl Philips Electronics Nv Method and apparatus for signal receipt and acquisition
US20040062298A1 (en) * 2002-10-01 2004-04-01 Mcdonough John G. System and method for detecting direct sequence spread spectrum signals using pipelined vector processing
EP1680686A1 (fr) * 2003-09-02 2006-07-19 Sirf Technology, Inc. Systeme de traitement de signaux de positionnement de satellites
US7702002B2 (en) * 2004-01-28 2010-04-20 Qualcomm Incorporated Rapid acquisition methods and apparatus for GPS signals
US7471717B2 (en) * 2004-05-17 2008-12-30 Yi Ping Huang Apparatus and method for acquiring spread-spectrum signals
EP1801991A3 (fr) * 2005-12-21 2008-08-20 Nemerix SA Utilisation optimale des ressources pour processeurs de signaux

Also Published As

Publication number Publication date
TWI370627B (en) 2012-08-11
CN101395814B (zh) 2013-02-06
MX2008010827A (es) 2008-09-05
TW200805908A (en) 2008-01-16
AU2007238489A1 (en) 2007-10-25
IL193093A0 (en) 2009-02-11
KR20080100840A (ko) 2008-11-19
CA2640761C (fr) 2014-09-30
CA2640761A1 (fr) 2007-10-25
WO2007120995A1 (fr) 2007-10-25
KR101147942B1 (ko) 2012-05-24
JP2009535605A (ja) 2009-10-01
EP1992080A1 (fr) 2008-11-19
BRPI0708489A2 (pt) 2011-05-31
CN101395814A (zh) 2009-03-25

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