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公开(公告)号：EP3066494A2
公开(公告)日：2016-09-14
申请号：EP14799608.6
申请日：2014-10-29
IPC分类号： G01S19/34
摘要： Techniques for managing power consumption of a Global Navigation Satellite System (GNSS) receiver of a mobile device are provided. These techniques include a method that includes deriving a GNSS search window for the GNSS receiver based on a position uncertainty (PUNC) and a time uncertainty (TUNC), selecting a GNSS search mode based on the GNSS search window and resources available for searching for signals from GNSS satellite vehicles (SVs), wherein an estimated power consumption associated with execution of a GNSS search associated with the GNSS search mode does not exceed a power consumption limit specified for the GNSS receiver conducting the GNSS search using the GNSS search mode, and estimating a position of the mobile device.
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32.发明授权METHODS AND APPARATUSES FOR USE WITH MODE-SWITCHABLE NAVIGATION RADIO 有权方法和设备WITH A MODUSUMSCHALTBAREN无线电导航USE
公开(公告)号：EP2310868B1
公开(公告)日：2013-07-03
申请号：EP09771125.3
申请日：2009-06-26
发明人： FARMER, Dominic, Gerard , WU, Jie , DAITA, Lalitaprasad, V. , ROWITCH, Douglas, Neal , RILEY, Wyatt, Thomas
IPC分类号： G01S19/34
CPC分类号： G01S19/34
摘要： Methods and apparatuses are provided for use with mode switchable navigation radios and the like. The methods and apparatuses may be implemented to selectively switch between certain operating modes based, at least in part, a mode-switching test that takes into consideration one or more non-timed test conditions to determine if mode-switching may be enabled.
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公开(公告)号：EP2438458A2
公开(公告)日：2012-04-11
申请号：EP10730908.0
申请日：2010-06-04
发明人： ISCHE, Marc A. , HATAMI, Ahmad , HESHMATI, Ardalan , BIACS, Zoltan F. , ROWITCH, Douglas Neal , FARMER, Dominic Gerard , KAMARSU, SriGouri , WU, Jie
摘要： The subject matter disclosed herein relates to determining a location of a mobile device using more than one location-determining technology.
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公开(公告)号：EP2307901A1
公开(公告)日：2011-04-13
申请号：EP09789897.7
申请日：2009-06-23
发明人： PON, Rayman, Wai , ISCHE, Marc , RISTIC, Borislav , WU, Jie
CPC分类号： G01S19/252 , G01S19/06
摘要： A position location system, method, and apparatus are disclosed. A wireless device receives a first signal and obtains an identifier indicative of a first location from the first signal. The first signal can be received from a cellular base station and the first identifier can be a mobile country code. The wireless device uses the identifier to determine the availability of signals from a regional satellite system at the first location. If signals from the regional satellite system are available at the first location, the wireless device retrieves information associated with one or more satellite vehicles in the regional satellite system. The information can include pseudo-random number codes and a Doppler search range corresponding to the first location. The wireless device receives a second signal and processes the second signal to obtain first satellite signal information. The wireless device determines its position at least partially based on the first satellite signal information.
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公开(公告)号：EP3812796A1
公开(公告)日：2021-04-28
申请号：EP20212284.2
申请日：2011-12-15
发明人： RILEY, Wyatt Thomas , DAITA, Lalitaprasad V , MORRISON, William James , FARMER, Dominic Gerard , WU, Jie
摘要： A mobile device may use one or more outlier detectors to detect likelihoods that an outlier condition exists for a satellite positioning system (SPS) position fix. In some implementations, an outlier detector may compare a computed position fix to an element of assistance data to generate an outlier likelihood. A decision to perform a recovery operation may be made based, at least in part, on a generated outlier likelihood. In some implementations, a computed reliability of the position fix may also be considered in making a recovery decision.
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公开(公告)号：EP3391087B1
公开(公告)日：2019-11-13
申请号：EP16820535.9
申请日：2016-12-15
发明人： WU, Jie , HOANG, Duong , MOTAMED, Mariam
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公开(公告)号：EP3271751B1
公开(公告)日：2019-01-02
申请号：EP16707597.7
申请日：2016-02-17
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公开(公告)号：EP3047305A2
公开(公告)日：2016-07-27
申请号：EP14841397.4
申请日：2014-08-14
CPC分类号： H04B7/18513 , G01S19/243 , H04B7/18582
摘要： Method, computer program product, and apparatus for signal tracking and decoding in GNSS are disclosed. In one exemplary implementation, a satellite receiver may be configured to receive a first sub-frame of a satellite signal. It defers a determination of validity of the first sub-frame until a preamble of a second sub-frame is received. The satellite receiver receives the preamble of the second sub-frame, and then determines whether there is a data decoding error of the first sub-frame using the first sub-frame and the preamble of the second sub-frame.
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公开(公告)号：EP2867700A1
公开(公告)日：2015-05-06
申请号：EP13734636.7
申请日：2013-06-27
IPC分类号： G01S19/23
CPC分类号： H04W56/00 , G01S19/235 , H03L1/022
摘要： Systems and methods for temperature-calibration of an uncompensated XO in a mobile device during mobile device operation. The XO is temperature-calibrated based on assistance from wireless signals, such as from satellite source, and optionally from terrestrial sources such as WWAN, CDMA, etc. Based on one or more received wireless signals received at a receiver, corresponding frequency estimates of the XO are obtained and correlated with corresponding operating temperatures in a processor. Based on one or more samples of frequency estimates and associated temperatures, the XO is temperature-calibrated in the processor wherein a frequency-temperature (FT) model is formulated for the XO. The frequency of the temperature-calibrated XO can be determined from the FT model at any given temperature.
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40.发明公开ADAPTIVE POSITIONING SIGNAL SEARCH STRATEGY FOR A MOBILE DEVICE 审中-公开适应性SUCHSTRATEGIEFÜRPOSITIONIERUNGSSIGNALEFÜREINE MOBILE VORRICHTUNG
公开(公告)号：EP2652520A1
公开(公告)日：2013-10-23
申请号：EP11804881.8
申请日：2011-12-15
CPC分类号： G01S19/06 , G01S19/252
摘要： Various techniques are provided which may be implemented in a mobile device to acquire a first positioning signal transmitted by a first transmitter of a first satellite in geostationary orbit, associate the first positioning signal with a coverage region to determine a rough position of the mobile device, and affect a positioning signal search strategy based, at least in part, on the rough position of the mobile device. The search strategy may identify at least one transmitter of at least one satellite in non- geostationary orbit that is estimated to be located in a position to transmit a second positioning signal within at least a portion of the coverage region, and which may be searched for by the mobile device. Such techniques may, for example, reduce a first time to a position fix in certain instances.
摘要翻译： 提供了各种技术，其可以在移动设备中实现以获取由对地静止轨道中的第一卫星的第一发射机发送的第一定位信号，将第一定位信号与覆盖区域相关联，以确定移动设备的粗略位置， 并且至少部分地基于移动设备的粗略位置来影响定位信号搜索策略。 搜索策略可以标识估计位于在覆盖区域的至少一部分内发送第二定位信号的位置的非对地静止轨道中的至少一个卫星的至少一个发射机，并且可以搜索 由移动设备。 例如，在某些情况下，这样的技术可以将第一次减少到位置锁定。
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