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1.发明申请GNSS RECEIVER WITH AN IMPROVED CAPABILITY TO RESOLVE SUB-CARRIER TRACKING AMBIGUITIES 审中-公开具有改进的能力的GNSS接收机来解决副载波跟踪特性公开(公告)号：US20160377729A1
公开(公告)日：2016-12-29
申请号：US15192067
申请日：2016-06-24
Applicant: CENTRE NATIONAL D'ETUDES SPATIALES , M3 SYSTEMS
Inventor： Nabil JARDAK , Willy VIGNEAU , François-Xavier MARMET , Lionel RIES
Abstract: A GNSS receiver and the associated method, for calculating an unbiased position and time measurement from a plurality of satellite positioning signals, the receiver comprising: a plurality of circuits configured to receive positioning signals from a plurality of satellites in GNSS constellations, a plurality of first and second signal processing channels configured for processing a first selection of said positioning signals and determining associated first pseudo ranges, a computer logic, wherein: the computer logic is configured to calculate the unbiased position and time measurement from pseudo ranges being determined from positioning signals originating from distinct satellites. A GNSS receiver further comprising a second computer logic configured to calculate a second unbiased position and time from the first position and time, and the second signal processing signals.
Abstract translation: GNSS接收机还包括被配置为从第一位置和时间计算第二无偏位置和时间的第二计算机逻辑和第二信号处理信号。
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Patent Agency Ranking
2.发明申请DEVICE FOR TRACKING A SATELLITE RADIONAVIGATION SIGNAL IN A MULTIPATH ENVIRONMENT 审中-公开用于跟踪多个环境中的卫星无线电导航信号的设备公开(公告)号：US20160377727A1
公开(公告)日：2016-12-29
申请号：US15191825
申请日：2016-06-24
Applicant: CENTRE NATIONAL D'ETUDES SPATIALES , M3 SYSTEMS
Inventor： Nabil JARDAK , Willy VIGNEAU , François-Xavier MARMET , Lionel RIES
Abstract: A GNSS receiver comprising a circuit configured to receive a positioning signal comprising a carrier modulated by a subcarrier and a PRN code; a subcarrier and code tracking loop, comprising a first discrimination circuit, configured to calculate a first pseudo range from said received positioning signal and a first reference signal; a code tracking loop, comprising a second discrimination circuit, configured to calculate a second pseudo range from said received positioning signal and a second reference signal; and a calculation circuit configured to evaluate a difference between said first pseudo range and said second pseudo range, and to modify the output of the first discrimination circuit accordingly.The invention further addresses a method for calculating a pseudo-range in such a GNSS receiver.
Abstract translation: 本发明还涉及一种用于在这种GNSS接收机中计算伪距的方法。
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3.发明申请GNSS RECEIVER CALCULATING A NON-AMBIGUOUS DISCRIMINATOR TO RESOLVE SUBCARRIER TRACKING AMBIGUITIES 审中-公开全球导航卫星系统接收机计算一个非常规的解决方案来解决太阳能追踪系统公开(公告)号：US20170003399A1
公开(公告)日：2017-01-05
申请号：US15200186
申请日：2016-07-01
Applicant: CENTRE NATIONAL D'ETUDES SPATIALES , M3 SYSTEMS
Inventor： Nabil JARDAK , Willy VIGNEAU , François-Xavier MARMET , Lionel RIES
Abstract: A receiver, and associated process, for tracking a GNSS positioning signal comprising a carrier modulated by a subcarrier and a spreading code, the receiver comprising:at least one tracking loop configured to calculate a first pseudo range from said GNSS positioning signal,a first discrimination circuit (521) configured to calculate an ambiguous discriminator value from the subcarrier and the spreading code of said GNSS positioning signal,a calculation circuit (522) configured to calculate a value representative of a tracking error of said tracking loop,a second discrimination circuit (530) configured to select one of said ambiguous discriminator value and said value calculated by the calculation circuit, and to generate a first non-ambiguous discriminator value, an amplitude of which is based on an amplitude of the selected value, and a sign of which is a sign of said value calculated by the calculation circuit.
Abstract translation: 第二鉴别电路（530），被配置为选择所述模糊鉴别器值和由所述计算电路计算的所述值之一，并且生成其幅度基于所选值的幅度的第一非歧义鉴别器值， 其符号是由计算电路计算的所述值的符号。
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4.发明授权公开(公告)号：US10191158B2
公开(公告)日：2019-01-29
申请号：US15200186
申请日：2016-07-01
Applicant: CENTRE NATIONAL D'ETUDES SPATIALES , M3 SYSTEMS
Inventor： Nabil Jardak , Willy Vigneau , François-Xavier Marmet , Lionel Ries
Abstract: A receiver, and associated process, for tracking a GNSS positioning signal comprising a carrier modulated by a subcarrier and a spreading code, the receiver comprising: at least one tracking loop configured to calculate a first pseudo range from said GNSS positioning signal, a first discrimination circuit (521) configured to calculate an ambiguous discriminator value from the subcarrier and the spreading code of said GNSS positioning signal, a calculation circuit (522) configured to calculate a value representative of a tracking error of said tracking loop, a second discrimination circuit (530) configured to select one of said ambiguous discriminator value and said value calculated by the calculation circuit, and to generate a first non-ambiguous discriminator value, an amplitude of which is based on an amplitude of the selected value, and a sign of which is a sign of said value calculated by the calculation circuit.
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公开(公告)号：US20230043214A1
公开(公告)日：2023-02-09
申请号：US17792956
申请日：2021-01-26
Applicant: SAFRAN ELECTRONICS & DEFENSE , M3 SYSTEMS
Inventor： Philippe ELIE , Vincent BISGAMBIGLIA , Elie AMANI , Marc POLLINA
Abstract: Navigation device including an inertial navigation system coupled with a satellite navigation system, the information supplied by the satellite positioning system being used for adjusting the inertial navigation system, characterised in that the device further comprises means for measuring signals coming from base stations of a wireless cellular network, the satellite navigation system and the means for measuring signals coming from base stations of the wireless cellular network are coupled with each other by a tight coupling to form a satellite navigator and/or base-station navigator implementing an estimator with simultaneous localisation and mapping, and in that the satellite navigation system and the means for measuring signals coming from base stations of the wireless cellular network are coupled to the inertial navigation system by a loose coupling for adjusting the inertial navigation system.
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公开(公告)号：US10324193B2
公开(公告)日：2019-06-18
申请号：US15191825
申请日：2016-06-24
Applicant: CENTRE NATIONAL D'ETUDES SPATIALES , M3 SYSTEMS
Inventor： Nabil Jardak , Willy Vigneau , François-Xavier Marmet , Lionel Ries
Abstract: A GNSS receiver comprising a circuit configured to receive a positioning signal comprising a carrier modulated by a subcarrier and a PRN code; a subcarrier and code tracking loop, comprising a first discrimination circuit, configured to calculate a first pseudo range from said received positioning signal and a first reference signal; a code tracking loop, comprising a second discrimination circuit, configured to calculate a second pseudo range from said received positioning signal and a second reference signal; and a calculation circuit configured to evaluate a difference between said first pseudo range and said second pseudo range, and to modify the output of the first discrimination circuit accordingly.The invention further addresses a method for calculating a pseudo-range in such a GNSS receiver.
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