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    • 3. 发明授权
    • System and method for detecting location using data communication network
    • 使用数据通信网络检测位置的系统和方法
    • US07973708B2
    • 2011-07-05
    • US12651786
    • 2010-01-04
    • Hun LeeJin Hee HanJeong Goo LeeNo Hyoung Lee
    • Hun LeeJin Hee HanJeong Goo LeeNo Hyoung Lee
    • G01S19/05G01S19/10G01S19/25
    • G01S5/0036G01S5/0054G01S19/09G01S19/40
    • The present invention provides a global navigation satellite system (GNSS) based positioning system and tracking method using a data communication network. When a GNSS-based positioning device is connected to a data communication network, the positioning device transfers the GNSS digital data and supplementary information used for additional performance improvement to a location tracking server through the data communication network, the location tracking server calculates a position of the positioning device with improved receiver sensitivity based on plentiful computational resources available at the location tracking server. Thus, the positioning device may find its location of even in very poor signal condition. Further, the present invention provides a positioning system and method using a data communication network, which may achieve time synchronization when there is a need to extract not only position information but also absolute timing information.
    • 本发明提供一种使用数据通信网络的基于全球导航卫星系统(GNSS)的定位系统和跟踪方法。 当基于GNSS的定位设备连接到数据通信网络时,定位设备通过数据通信网络将用于额外性能改进的GNSS数字数据和补充信息传送到位置跟踪服务器,位置跟踪服务器计算位置跟踪服务器的位置 基于在位置跟踪服务器可用的丰富的计算资源,定位装置具有改善的接收机灵敏度。 因此,定位装置可能发现其位置甚至处于非常差的信号状态。 此外,本发明提供了一种使用数据通信网络的定位系统和方法,当需要不仅提取位置信息而且需要提取绝对定时信息时,可以实现时间同步。
    • 9. 发明申请
    • METHOD AND ATTESTATION SYSTEM FOR PREVENTING ATTESTATION REPLAY ATTACK
    • 防止突击重击攻击的方法与防御系统
    • US20090013181A1
    • 2009-01-08
    • US12120154
    • 2008-05-13
    • Su Gil ChoiSung Ik JunJin Hee Han
    • Su Gil ChoiSung Ik JunJin Hee Han
    • H04L9/00
    • H04L63/123
    • Provided are a method and an attestation system for preventing an attestation replay attack. The method for preventing an attestation replay attack in an attestation system including an attestation target system and an attestation request system, the method including: measuring associated components when an event that affects the integrity of the attestation target system occurs; perceiving own identity information and verifying the perceived identity information; extending the measured component and the identity information into a register and logging the measured component and the identity information; generating an attestation response message including values of the log and the register when an attestation request message is received from the attestation request system; and transmitting the generated attestation response message to the attestation request system. Therefore, the method and an attestation system may be useful to provide an additional simple mathematical operation in verifying an attestation message by preventing an attestation replay attack, and thus to minimize performance degradation in the attestation system, compared to the conventional attestation processing mechanisms.
    • 提供了一种用于防止认证重放攻击的方法和证明系统。 一种防止认证重放攻击的方法,包括认证目标系统和证明请求系统,该方法包括:当发生影响认证目标系统完整性的事件时,对相关组件进行测量; 感知自己的身份信息和验证感知的身份信息; 将测量的组件和身份信息扩展到寄存器并记录测量的组件和身份信息; 当从所述认证请求系统接收到认证请求消息时,生成包括所述日志和所述寄存器的值的证明响应消息; 以及将所生成的认证响应消息发送到认证请求系统。 因此,与常规认证处理机制相比,该方法和证明系统可能有助于通过防止认证重放攻击来验证证明消息,从而最小化认证系统中的性能下降来提供额外的简单数学运算。