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    • 55. 发明公开
    • Positioning for WLANS and other wireless networks
    • Netzwerken的位置
    • EP2891896A1
    • 2015-07-08
    • EP14200157.7
    • 2006-11-07
    • Qualcomm Incorporated
    • Edge, Stephen W.
    • G01S5/02H04L12/28
    • G01S5/0242G01S5/0236G01S5/0257G01S5/0278H04W64/00H04W84/12H04W88/08
    • Techniques for positioning access points and terminals in WLANs and other wireless networks are described. For access point positioning, measurements are obtained for at least one access point in a WLAN. The measurements may be based on transmission sequences (e.g., beacon frames) transmitted periodically by each access point. The measurements may be made by multiple terminals at different locations or a single mobile terminal at different locations. The location of each access point is determined based on the measurements and known locations of the terminal(s). For terminal positioning, measurements for at least one access point in a WLAN are obtained. The location of the terminal is determined based on the measurements and known location of each access point.; The measurements may be round trip time (RTT) measurements, observed time difference (OTD) measurements, time of arrival (TOA) measurements, signal strength measurements, signal quality measurements, etc.
    • 描述了在WLAN和其他无线网络中定位接入点和终端的技术。 对于接入点定位,获得WLAN中至少一个接入点的测量结果。 测量可以基于由每个接入点周期性地传输的传输序列(例如,信标帧)。 可以在不同位置的多个终端或不同位置处的单个移动终端进行测量。 每个接入点的位置基于终端的测量和已知位置来确定。 对于终端定位,获得WLAN中至少一个接入点的测量。 基于每个接入点的测量和已知位置来确定终端的位置; 测量可以是往返时间(RTT)测量,观察时间差(OTD)测量,到达时间(TOA)测量,信号强度测量,信号质量测量等。
    • 57. 发明公开
    • MOBILE TERMINAL AND METHOD
    • 移动终端和方法
    • EP2793049A1
    • 2014-10-22
    • EP12857176.7
    • 2012-11-20
    • NTT DOCOMO, INC.
    • TAKAHASHI, Makoto
    • G01S19/34G01C21/28G01S19/48H04M1/00H04M1/725H04W64/00
    • G01S19/13G01C21/28G01S5/0242G01S19/48
    • One aspect of the present invention relates to a mobile terminal having a positioning function, comprising: a GPS positioning unit configured to perform GPS based positioning to obtain a positioning result including a position of the mobile terminal and a measurement status regarding the GPS based positioning; a base station based positioning unit configured to perform base station based positioning to obtain a positioning result including a position of the mobile terminal and a measurement status regarding the base station based positioning; a historical positional information storage unit configured to store historical positional information including the positioning results obtained by the GPS based positioning unit and the base station based positioning unit; and a positioning determination unit configured to determine whether a valid positioning result regarding a camped base station of the mobile terminal is in the historical positional information, wherein when positioning is performed for the mobile terminal in response to activation of the positioning function, prior to activation of the GPS based positioning and the base station based positioning, the positioning determination unit identifies the camped base station of the mobile terminal, identifies positioning results regarding the identified base station in the historical positional information, detects a valid positioning result from the identified positioning results based on the measurement status of the identified positioning results and provides the detected positioning result as the positioning result for the mobile terminal.
    • 本发明的一个方面涉及一种具有定位功能的移动终端,包括:GPS定位单元,被配置为执行基于GPS的定位以获得包括移动终端的位置和关于基于GPS的定位的测量状态的定位结果; 基于基站的定位单元,被配置为执行基于基站的定位以获得包括所述移动终端的位置和关于基于基站的定位的测量状态的定位结果; 历史位置信息存储单元,被配置为存储历史位置信息,所述历史位置信息包括由基于GPS的定位单元和基于基站的定位单元获得的定位结果; 以及定位确定单元,其被配置为确定关于所述移动终端的驻留基站的有效定位结果是否处于所述历史位置信息中,其中,当响应于所述定位功能的激活而对所述移动终端执行定位时,在激活之前 基于GPS的定位和基于基站的定位,定位确定单元识别移动终端的驻留基站,在历史位置信息中识别关于所识别的基站的定位结果,从所识别的定位结果中检测有效的定位结果 基于识别出的定位结果的测量状态,并将检测到的定位结果作为移动终端的定位结果。