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    • 1. 发明申请
    • METHODS AND APPARATUS FOR COMMUNICATING INFORMATION USING BEACON SIGNALS
    • 使用信标信号传播信息的方法和装置
    • WO2008031057A2
    • 2008-03-13
    • PCT/US2007/077919
    • 2007-09-07
    • QUALCOMM IncorporatedLEONIDOV, AlexanderRICHARDSON, Thomas
    • LEONIDOV, AlexanderRICHARDSON, Thomas
    • H04W48/12
    • H04W48/12H04L5/0053
    • Methods and apparatus related to efficiently communicating information, such as base station identification information and/or timing information, via beacon signals are described. Base station identification information and/or timing information is communicated via beacon signals. A beacon coding scheme is utilized in which different base station sectors in the communications system are associated with different sub-sets of beacon tones, e.g., a sub-set of 4 beacon tones. Different beacon tone sub-sets have at most 1 tone in common. A base station sector transmitter transmits a sequence of beacon signals, in accordance with a predetermined beacon tone hopping pattern, in a recurring timing structure, each beacon signal including one of the tones from its associated beacon tone subset. The structure of the beacon tone subsets and the hopping pattern facilitates efficient communication of information, efficient recovery of information being communicated and/or a simple implementation decoder by a wireless terminal.
    • 描述了通过信标信号有效地传送诸如基站识别信息和/或定时信息的信息的方法和装置。 通过信标信号来传送基站识别信息和/或定时信息。 使用信标编码方案,其中通信系统中的不同基站扇区与信标音调的不同子集(例如,4个信标音调的子集)相关联。 不同的信标音子集最多有1个共同点。 基站扇区发射机以循环定时结构根据预定的信标音跳频图案传输信标信号序列,每个信标信号包括来自其相关信标音子集的一个音调。 信标音频子集和跳频模式的结构有助于信息的有效通信,正在通信的信息的有效恢复和/或无线终端的简单的实现解码器。
    • 3. 发明申请
    • METHODS AND APPARATUS FOR DISTRIBUTED LEARNING OF PARAMETERS OF A FINGERPRINT PREDICTION MAP MODEL
    • 指纹预测地图模型参数分布学习的方法与装置
    • WO2012099997A1
    • 2012-07-26
    • PCT/US2012/021772
    • 2012-01-18
    • QUALCOMM INCORPORATEDRICHARDSON, ThomasJOVICIC, AleksandarMEASSON, Cyril
    • RICHARDSON, ThomasJOVICIC, AleksandarMEASSON, Cyril
    • G01S5/02G01S5/00
    • G01S5/0252G01S5/0018G01S5/021H04W4/029H04W4/80
    • In accordance with various embodiments, mobile wireless devices which use prediction maps, e.g., RF prediction maps, to determine their location also contribute to the updating and distribution of parameters relating to prediction map generation. After a device determines its location, it uses the signal measurements used in determining the device's location to determine updated parameters which can be used in generating signal prediction maps in the future. The generated parameters are then transmitted to another device for use in generating prediction maps and/or distribution to other devices. In this manner parameters corresponding to a particular location can be updated and distributed without the need for a survey team and/or dedicated equipment. The devices using the prediction map become the devices which also aid in the updating of the parameters used to facilitate generation of a prediction map at some future time. In some embodiments, statistical information corresponding to the updated parameters is also generated and communicated.
    • 根据各种实施例,使用预测图(例如RF预测图)来确定它们的位置的移动无线设备还有助于与预测图生成有关的参数的更新和分布。 在设备确定其位置之后,它使用用于确定设备位置的信号测量来确定将来可用于生成信号预测图的更新参数。 所产生的参数然后被发送到另一个设备,以用于生成预测图和/或分发给其他设备。 以这种方式,可以更新和分发对应于特定位置的参数,而不需要调查团队和/或专用设备。 使用预测图的装置成为也有助于更新用于在将来某个时间产生预测图的参数的装置。 在一些实施例中,还生成并传达与更新的参数对应的统计信息。