The GPS multipath signal model is given and analyzed. The all phase DFT (apDFT) is
proposed as a new spectral analysis way, which makes full use of (2N-1) samples to do …

This article introduces chirp spread spectrum technology (CSS for short), and location
algorithm is optimized. Symmetric double-sided two way ranging technique (SDS–TWR for …

In recent years, due to the open access to raw GNSS measurements, it is possible to study
other PVT algorithms to improve the positioning accuracy on smartphones. In this paper, we …

Compass is the first satellite navigation system which provides triple-frequency signals.
Comparing to the single-frequency and dual-frequency measurements, the success rate and …

Abstract Code Shift Keying (CSK) modulation type can obtain a high information
transmission rate while maintaining the correlation characteristics of the spread spectrum …

Abstract The Global Positioning System (GPS) carrier-phase technique is a widely used
spatial tool for remote precise time and frequency transfer. However, the performance of …

Multipath on carrier phase measurements is among the major error sources for short
baseline positioning. A new method is proposed to improve the accuracy of the positioning …

It is well known that some global navigation satellite system (GNSS) signals operate on the
aeronautical radionavigation services (ARNS) frequency band, which is also utilized by …

The non-ideal components in the navigation signal generation chain of a GNSS satellite
payload can induce various signal distortions, which lead to ranging error and impact …

Objectives Under the background of the nanosecond or even sub-nanosecond requirements
for timing accuracy proposed by the new generation of communication technology, precise …