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首页> 外文会议>International Association of Institutes of Navigation 15th World Congress 2015 >Real-time multi-constellation Precise Point Positioning with integer ambiguity resolution
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Real-time multi-constellation Precise Point Positioning with integer ambiguity resolution

机译：具有整数歧义分辨率的实时多星座精确点定位

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摘要

The Precise Point Positioning (PPP) technique has been intensively developed in the GNSS community for the last decade. The technique makes use of precise orbit and clock corrections to perform precise positioning for a single receiver. However, the traditional PPP technique does not fix carrier-phase ambiguities to their integers because satellite hardware biases are not eliminated when using data from a single receiver. Additional corrections are needed to form and fix integer ambiguities, and consequently improve the accuracy of positioning. In March 2015 Fugro introduced the G2+ (or G2 Plus) service that provides hardware-bias-like corrections together with orbit and clock corrections for GPS and GLONASS systems. All these corrections are computed in real-time and broadcasted globally to our clients in the field via L-band communication satellites. This paper describes the technology that Fugro has developed and presents some results obtained using the service.
机译：在过去的十年中，GNSS社区已经大力开发了精确点定位（PPP）技术。该技术利用精确的轨道和时钟校正对单个接收器进行精确定位。但是，传统的PPP技术无法将载波相位模糊度固定为其整数，因为在使用来自单个接收器的数据时不会消除卫星硬件偏差。需要进行其他更正以形成并修复整数模糊度，从而提高定位的准确性。 2015年3月，Fugro推出了G2 +（或G2 Plus）服务，该服务为GPS和GLONASS系统提供类似于硬件偏置的校正以及轨道和时钟校正。所有这些校正都是实时计算的，并通过L波段通信卫星在全球范围内广播给我们的客户。本文介绍了Fugro开发的技术，并介绍了使用该服务获得的一些结果。

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