ATE489641T1 - Unterdrückung von mehrwege-effekten für ein empfangenes sps-signal - Google Patents

Unterdrückung von mehrwege-effekten für ein empfangenes sps-signal

Info

Publication number
ATE489641T1
ATE489641T1 AT08005494T AT08005494T ATE489641T1 AT E489641 T1 ATE489641 T1 AT E489641T1 AT 08005494 T AT08005494 T AT 08005494T AT 08005494 T AT08005494 T AT 08005494T AT E489641 T1 ATE489641 T1 AT E489641T1
Authority
AT
Austria
Prior art keywords
signal
chips
suppression
received
plc signal
Prior art date
Application number
AT08005494T
Other languages
English (en)
Inventor
Rayman Wai Pon
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 ATE489641T1 publication Critical patent/ATE489641T1/de

Links

Classifications

    • 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
    • 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
    • G01S19/22—Multipath-related issues

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
AT08005494T 2007-11-12 2008-03-25 Unterdrückung von mehrwege-effekten für ein empfangenes sps-signal ATE489641T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/938,743 US8571088B2 (en) 2007-11-12 2007-11-12 Suppression of multipath effects for received SPS signals

Publications (1)

Publication Number Publication Date
ATE489641T1 true ATE489641T1 (de) 2010-12-15

Family

ID=39670682

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08005494T ATE489641T1 (de) 2007-11-12 2008-03-25 Unterdrückung von mehrwege-effekten für ein empfangenes sps-signal

Country Status (9)

Country Link
US (1) US8571088B2 (de)
EP (1) EP2058670B1 (de)
JP (1) JP5290311B2 (de)
KR (1) KR101260039B1 (de)
CN (1) CN101903794B (de)
AT (1) ATE489641T1 (de)
DE (1) DE602008003646D1 (de)
TW (1) TW200928414A (de)
WO (1) WO2009064812A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
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US9285478B2 (en) * 2008-02-20 2016-03-15 Qualcomm Incorporated Multipath detection for received SPS signal
JP2011220740A (ja) * 2010-04-06 2011-11-04 Toyota Motor Corp Ｇｎｓｓ受信装置及び測位方法
JP5765902B2 (ja) * 2010-09-07 2015-08-19 日本無線株式会社 衛星信号のコード追尾装置
KR101139139B1 (ko) * 2010-11-05 2012-04-30 목포대학교산학협력단 다중경로 채널 환경에 적합한 ｂｏｃ 신호 획득 방법
KR102065666B1 (ko) 2012-12-12 2020-02-11 삼성전자 주식회사 위성 항법 시스템의 신호 추적 방법, 신호 추적 장치 및 이를 포함하는 위성신호 수신기
CN104181553A (zh) * 2013-05-24 2014-12-03 凹凸电子（武汉）有限公司 伪距误差估算方法和系统
US9784845B2 (en) 2013-12-23 2017-10-10 Samsung Electronics Co., Ltd Method and apparatus for implementing reduced bandwidth processing of navigation satellites
CN104199067A (zh) * 2014-09-23 2014-12-10 南京大学 多径环境下全球卫星导航系统接收机无模糊处理方法
CN104316937B (zh) * 2014-10-13 2017-10-03 中国电子科技集团公司第二十研究所 一种数字波束天线gps多径抑制方法
JP2016148594A (ja) * 2015-02-12 2016-08-18 セイコーエプソン株式会社 相関処理方法、相関処理回路及びプログラム
CN105068091B (zh) * 2015-07-31 2017-04-19 宁波成电泰克电子信息技术发展有限公司 一种北斗接收机的多路径误差消除方法
WO2017062306A1 (en) * 2015-10-05 2017-04-13 Nextnav, Llc Systems and methods for generating signals from terrestrial transmitters, and for processing the signals using gnss receiver hardware
US10203022B2 (en) * 2015-11-04 2019-02-12 The Boeing Company Elliptically interfacing wobble motion gearing system and method
US9743293B1 (en) * 2016-07-25 2017-08-22 Samsung Electronics Co., Ltd. System and method for local spreading code manipulation for interference mitigation
CN107682073B (zh) * 2017-09-30 2020-01-14 北京空间技术研制试验中心 航天器与舱外目标设备的通信方法
US10768310B2 (en) * 2018-01-03 2020-09-08 Samsung Electronics Co., Ltd System and method for providing code modification for multipath improvement in GNSS receivers
CN109541647B (zh) * 2018-12-13 2019-12-10 武汉大学 基于半天球格网点模型的gnss多路径效应修正方法
CN110458103B (zh) * 2019-08-12 2022-03-18 四川九洲电器集团有限责任公司 塔康信号检测方法、设备及存储介质
CN111880200B (zh) 2020-08-18 2022-06-17 南京航空航天大学 一种基于最陡下降法的多路径抑制方法

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US5903597A (en) 1996-05-20 1999-05-11 Trimble Navigation Limited Suppression on multipath signal effects
US5901183A (en) 1996-09-25 1999-05-04 Magellan Corporation Signal correlation technique for a receiver of a spread spectrum signal including a pseudo-random noise code that reduces errors when a multipath signal is present
US5999561A (en) * 1997-05-20 1999-12-07 Sanconix, Inc. Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset
US6243409B1 (en) 1997-07-15 2001-06-05 Novatel, Inc. Global navigation satellite system receiver with blanked-PRN code correlation
US7130332B1 (en) * 1999-04-20 2006-10-31 Symmetricom, Inc. Pilot tracking for synchronization using correlation between digital signal and locally generated version of PN signal
US6760366B1 (en) * 1999-11-29 2004-07-06 Qualcomm Incorporated Method and apparatus for pilot search using a matched filter
US6775252B1 (en) * 2000-03-31 2004-08-10 Qualcomm, Inc. Dynamic adjustment of search window size in response to signal strength
US7113538B1 (en) * 2000-11-01 2006-09-26 Nortel Networks Limited Time diversity searcher and scheduling method
US6788663B2 (en) * 2002-05-03 2004-09-07 Qualcomm Inc System, method, and apparatus for generating a timing signal
US7224721B2 (en) 2002-10-11 2007-05-29 The Mitre Corporation System for direct acquisition of received signals
US7738536B2 (en) 2003-04-15 2010-06-15 Novatel Inc. Apparatus for and method of making pulse-shape measurements
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Also Published As

Publication number Publication date
EP2058670A1 (de) 2009-05-13
US20090121928A1 (en) 2009-05-14
KR20100074329A (ko) 2010-07-01
TW200928414A (en) 2009-07-01
JP2011504052A (ja) 2011-01-27
JP5290311B2 (ja) 2013-09-18
US8571088B2 (en) 2013-10-29
KR101260039B1 (ko) 2013-04-30
WO2009064812A1 (en) 2009-05-22
EP2058670B1 (de) 2010-11-24
CN101903794B (zh) 2013-02-20
DE602008003646D1 (de) 2011-01-05
CN101903794A (zh) 2010-12-01

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