An assessment of standalone GLONASS RTK performance is provided using its FDMA and CDMA signals. The new integer-estimable GLONASS FDMA model (Teunissen 2019), which guarantees the integer-estimability of its ambiguities, is employed. We introduce the combined integer-estimable GLONASS FDMA+CDMA model and compare its strength against the FDMA model for instantaneous integer ambiguity resolution and positioning. Various combinations of GLONASS signals are considered including FDMA L1, FDMA+CDMA L1+L3, FDMA L1+L2 and FDMA+CDMA L1+L2+L3. To provide insight into the current RTK performance of GLONASS, we used observations of a short baseline to analyze the integer ambiguity resolution success rate and positioning precision, formally and empirically. To provide insight into the future RTK performance of GLONASS, we present a formal analysis of the integer ambiguity resolution success rate and ADOP, assuming that all the GLONASS satellites transmit FDMA L1, L2 and CDMA L3 signals. A formal analysis of standalone GLONASS ambiguity resolution based on current and future GLONASS constellation is then presented for different locations around the world.

使用其FDMA和CDMA信号可以评估独立的GLONASS RTK性能。采用了新的整数可估计GLONASS FDMA模型（Teunissen 2019），该模型保证了其模棱两可的整数可估计性。我们介绍了组合的整数可估计GLONASS FDMA + CDMA模型，并将其强度与FDMA模型进行比较，以进行瞬时整数歧义分辨率和定位。考虑了GLONASS信号的各种组合，包括FDMA L1，FDMA + CDMA L1 + L3，FDMA L1 + L2和FDMA + CDMA L1 + L2 + L3。为了提供对GLONASS当前RTK性能的见解，我们使用了对短基线的观察，从形式上和经验上分析了整数歧义分辨率的成功率和定位精度。为了深入了解GLONASS的RTK未来性能，我们假设所有GLONASS卫星都发送FDMA L1，L2和CDMA L3信号，对整数歧义分辨率成功率和ADOP进行形式分析。然后，针对全球和不同地点，提供了基于当前和未来GLONASS星座图的独立GLONASS模糊度解决方案的形式分析。