Cornell University Researchers Demonstrated GPS Vulnerability with Spoofing Activities康奈尔大学的研究人员证明全球定位系统的脆弱性与欺骗性活动
Nowadays GPS (Global Positioning System) usage is so common with almost all high end cellular phones are embedded with GPS receiver module.如今GPS （全球定位系统）的使用是如此普遍，几乎所有的高端手机都嵌入了GPS接收机模块。 While it brings convenience to daily life, but too much relying on it may potentially cause serious issue in certain scenario.虽然它带来的便利生活，但过于依赖它可能会导致严重的问题，在某些情况。 Just recently, a team of researchers from Cornell University have demonstrated a way on how to fool the GPS units by sending out false signal that imitate actual satellite signal patterns.就在最近，一个研究小组由美国康乃尔大学已经证明的方式就如何愚弄的GPS单位发出了错误的信号，即模仿实际的卫星信号模式。 Those signals will be interpreted by the GPS receivers as a genuine signal which causes the wrong position information being retrieved by end users.这些信号将被解释的GPS接收机作为一个真正的信号导致错误的位置信息检索的最终用户。 For normal consumers, it may be still alright but the consequence could be very serious especially when such a scenario happens in military applications.对于一般的消费者，它可能仍然不错，但其后果可能是非常严重的尤其是当这种情况发生在军事上的应用。
GPS receiver is capable to lock to at least four satellites orbiting around the earth to obtain accurate positioning information through specific pattern signals. GPS接收机能锁定到至少4颗卫星轨道环绕地球，以获得准确的定位信息通过特定模式的信号。 But somehow these signals can be duplicated by this programmable transmitter, putting the whole system reliability questionable.但不知这些信号可以重复这一可编程发射机，使整个系统的可靠性值得怀疑。 Although existing transmitter is quite large in size, about the size of a suitcase, but it is foresee that the size can be shrunk down as small as a cigarette pack, making the proximity attack possible anywhere without the users’ acknowledgment.虽然现有的发射机是相当大的规模，大小相当于一个手提箱，但它是预见到的规模可缩小下跌的一小部分卷烟包装，使尽可能接近攻击没有任何用户的认可。 Just imagine how dangerous would it be if this tiny device can jeopardize the whole rescue effort when a rescue team has been dispatched but unable to identify the right location due to wrong GPS data.试想一下，如何将它的危险，如果这个小装置可以危及整个救援工作时，救援队已被派往但无法确定正确的位置由于错误的GPS数据。
Hopefully the demonstration and study results will trigger the way how GPS designers defining their next generation GPS products with a more thorough and full proof GPS release to the market in short future.希望的示范和研究成果将引发全球定位系统的方式如何确定其设计下一代GPS产品更透彻，充分证明全球定位系统释放到市场在短期的未来。
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