Other indoor positioning systems try to find a user's position using radio, ultrasound or infrared signals.

其他的室内定位系统尝试通过使用无线电，超声波或者红外信号来给用户定位。

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This new technology can eliminate "no-fix" scenarios, enables indoor-positioning, and overcomes GPS jamming scenarios resulting in highly robust systems.

此项新技术可消除“无法定位”的情形可实现室内定位，并能克服GPS受阻的情况，从而实现更加稳健的系统。

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