Results 81 to 90 of about 20,840 (245)
M‐SADR: Mobile Self Adaptive Data Rate for Enhanced LoRa End‐Device Connectivity on the Move
International Journal of Communication Systems, Volume 38, Issue 15, October 2025.The proposed M‐SADR method targets mobile LoRa end‐devices and achieves better performance, with a 2.4% improvement in packet delivery ratio and a 5.7% reduction in power consumption per successfully delivered packet. ABSTRACT Mobility is a critical aspect of the Internet of Things, reflecting the diverse and dynamic nature of potential applications ...
Vasileios Moysiadis +6 more
wiley +1 more source
«Potok» – distributed platform for modeling digital twins of the GLONASS [PDF]
Космические аппараты и технологииThe GLONASS global navigation satellite system (GNSS) is currently at the stage of modernisation. In order to consider and select the best option for the development of the system, it is necessary to create a modelling tool that can ensure the correct ...
R. S. Kulikov +4 more
doaj
Fast Computerized Ionospheric Tomography Using GNSS‐TEC in Densely Observed Regions
Journal of Geophysical Research: Space Physics, Volume 130, Issue 10, October 2025.Abstract In recent years, the range of technologies affected by the ionosphere has been steadily expanding. Technologies such as Global Positioning System, which have become indispensable in modern society, can suffer from degraded accuracy due to ionospheric structures.
Satoru Yoneyama, Ken Umeno
wiley +1 more source
TriG - A GNSS Precise Orbit and Radio Occultation Space Receiver [PDF]
, 2009 The GPS radio occultation (RO) technique [1] produces measurements in the ionosphere and neutral atmosphere [2] that contribute to monitoring space weather and climate change; and improving operational weather prediction.
Esterhuizen, Stephan +6 more
core
Russian and Chinese Responses to U.S. Military Plans in Space [PDF]
, 2008 Explores what countermeasures China and Russia are likely to take if the United States continues to pursue the weaponization of space, and what the broader implications for international security will ...
Hui Zhang, Pavel Podvig
core
Space Weather, Volume 23, Issue 10, October 2025.Abstract Based on the total electron content (TEC) observation in the Asian‐Australian and American sectors, this paper investigates the characteristics and hemispheric asymmetry of large‐scale traveling ionospheric disturbances (LSTIDs) during the 10 May 2024 superstorm. We found that the amplitudes and meridional phase velocities of LSTIDs in the two
Tingwei Han +11 more
wiley +1 more source
Remote Sensing, 2020 Because of the frequency division multiple access (FDMA) technique, Russian global navigation satellite system (GLONASS) observations suffer from pseudo-range inter-channel biases (ICBs), which adversely affect satellite clock offset estimation.
Qingsong Ai +4 more
doaj +1 more source
Combined GPS/GLONASS data processing [PDF]
Geo-spatial Information Science, 2002 To obtain the GLONASS satellite position at an epoch other than reference time, the satellite's equation of motion has to be integrated with broadcasting ephemerides. The iterative detecting and repairing method of cycle slips based on triple difference residuals for combined GPS/GLONASS positioning and the iterative ambiguity resolution approach ...
openaire +1 more source
GEOmedia, 2010 Evolution of GNSS systems With this article GEOmedia is starting a review on the latest updates concerning GNSS technology. Since the first GPS satellites, the evolution of GNSS sector witnessed the grow of other constellations: GLONASS, Beidou (Compass)
Gianluca Pititto, Fabrizio Bernardini
doaj
Baltic Journal of Health and Physical Activity, 2019 Satellite navigation systems have been used in professional navigation and geodesy for many years. The past decade has been a time of extending their application to devices also accessible to non-professional users.
CEZARY SPECHT +3 more
doaj +1 more source