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    • 3. 发明申请
    • Mobile communication apparatus and position detection method thereof
    • 移动通信装置及其位置检测方法
    • US20020175854A1
    • 2002-11-28
    • US10125526
    • 2002-04-19
    • PIONEER CORPORATION
    • Takehiko ShiodaManabu Nohara
    • G01S005/14G01S003/02
    • G01S19/48G01S5/0263G01S5/0268G01S5/14
    • When position measurement accuracy of the present position which the base station distance and position measurement part measures from radio waves coming from base stations is not good, a GPS distance and position measurement part measures the present position from radio waves coming from GPS satellites. When position measurement accuracy of the present position obtained by the GPS distance and position measurement part is not good, a position measurement accuracy analysis part compounds the present position obtained by the base station distance and position measurement part with the present position obtained by the GPS distance and position measurement part, and calculates a new position within a range of overlap between a position measurement error of the present position obtained by the base station distance and position measurement part and a position measurement error of the present position obtained by the GPS distance and position measurement part.
    • 当基站距离和位置测量部分对来自基站的无线电波测量的当前位置的位置测量精度不好时,GPS距离和位置测量部分从GPS卫星的无线电波测量当前位置。 当通过GPS距离和位置测量部分获得的当前位置的位置测量精度不好时,位置测量精度分析部分将通过基站距离获得的当前位置和位置测量部分与通过GPS距离获得的当前位置 和位置测量部分,并且计算由基站距离获得的当前位置的位置测量误差与位置测量部分之间的重叠范围内的新位置与由GPS距离和位置获得的当前位置的位置测量误差 测量部分。
    • 4. 发明申请
    • Mobile communication system
    • 移动通信系统
    • US20020049063A1
    • 2002-04-25
    • US09907503
    • 2001-07-18
    • PIONEER CORPORATION
    • Manabu NoharaTakehiko ShiodaYasuteru KodamaMasami SuzukiHiroto InoueKatsunori ArakawaSatoshi OdagawaOsamu YamazakiMasahiro OkamuraTakayuki Akimoto
    • H04Q007/20
    • H04W64/00
    • A mobile communication system including a plurality of base stations arranged in a communication area each for emitting a radio wave inherent thereto and a mobile station moving in the communication area and communicating with respectives of the base stations via the transmitted radio waves. There is previously stored a location correlation data group including correlation data representing correlation situations of a plurality of arriving radio waves produced by the transmitted radio waves at respectives ones of a plurality of sampling locations within the communication area as location correlation data in correspondence with the respective locations. Upon reception of the arriving radio waves at a current location of the mobile station, there is calculated current correlation data representing correlation situations among the received arriving radio waves for the respective mobile station. There are compared the location correlation data in the location correlation data group and the current correlation data, and then the current position of the mobile station is determined in accordance with a result of the comparison and the determined current position data is generated.
    • 一种移动通信系统,包括布置在通信区域中的多个基站,每个基站用于发射固有的无线电波,以及在通信区域中移动的移动站,并且经由发射的无线电波与基站的相关性进行通信。 预先存储位置相关数据组,其中包括相关数据,该相关数据表示在通信区域内的多个采样位置中的与发射的无线电波相关的多个到达的无线电波的相关状况,作为相应于相应的位置相关数据的位置相关数据 位置。 在移动站的当前位置接收到达的无线电波时,计算出表示相应移动台的所接收到的无线电波之间的相关状况的当前相关数据。 比较位置相关数据组中的位置相关数据和当前相关数据,然后根据比较结果确定移动台的当前位置,并生成确定的当前位置数据。
    • 7. 发明申请
    • Information providing system
    • 信息提供系统
    • US20020052847A1
    • 2002-05-02
    • US09892787
    • 2001-06-28
    • PIONEER CORPORATION
    • Takehiko ShiodaTakuya TanakaYukitaka SaitoHiroyuki Takahashi
    • G06F017/60
    • H04L29/06H04L67/02H04L67/12H04L67/18H04L69/329
    • An information providing system that can provide information in a shorter downloading period. The information providing system includes a terminal device capable of reading information data recorded in a storage medium that has recorded incomplete information data. The incomplete information data from prepared by omitting some data in complete information data which provide complete information. The information providing system also includes an information administration device for storing complementary information data which is transmittable between the terminal device and the information administration device to complement the incomplete information data thereby reconstructing an original information data. The terminal device includes a reception module for receiving the complementary information data by way of data transmission from the information administration device, a readout module for reading the incomplete information data from the storage medium, and a combine module for combining the received complementary information data with the read incomplete information data.
    • 信息提供系统,能够在较短的下载时间内提供信息。 信息提供系统包括能够读取记录在记录了不完整信息数据的存储介质中的信息数据的终端设备。 通过省略完整信息数据中的一些数据准备的不完整的信息数据,提供完整的信息。 信息提供系统还包括信息管理装置,用于存储可在终端装置和信息管理装置之间传输的互补信息数据,以补充不完整信息数据,从而重构原始信息数据。 终端装置包括:接收模块,用于通过从信息管理装置的数据发送接收补充信息数据;读出模块,用于从存储介质读取不完整的信息数据;以及组合模块,用于将接收的补充信息数据与 读取不完整的信息数据。