Linear predictor based method for estimating Doppler in mobile radio communication systems

2000 ◽  
Vol 36 (12) ◽  
pp. 1066 ◽  
Author(s):  
C.C. Tsimenidis ◽  
O.R. Hinton ◽  
B.S. Sharif ◽  
A.E. Adams
Keyword(s):  
Communication Systems ◽  
Mobile Radio ◽  
Radio Communication ◽  
Linear Predictor

scholarly journals A New Hybrid Diversity Combining Scheme for Mobile Radio Communication Systems over Nakagami Fading Chanel

2020 ◽  
Vol 12 (3) ◽  
pp. 1-15
Author(s):  
Akinyinka Olukunle Akande ◽  
Onyebuchi Chikezie Nosiri ◽  
Nnaemeka Chiemezie Onuekwusi ◽  
Emmanuel Uchenna Ekwueme
Keyword(s):  
Communication Systems ◽  
Mobile Radio ◽  
Nakagami Fading ◽  
Diversity Combining ◽  
Radio Communication ◽  
Hybrid Diversity

scholarly journals Analysis of mathematical models of mobility of communication systems of special purpose radio communication systems

2021 ◽  
Vol 4 (2(60)) ◽  
pp. 39-44
Author(s):  
Oleksii Nalapko ◽  
Oleg Sova ◽  
Andrii Shyshatskyi ◽  
Anatolii Hasan ◽  
Vira Velychko ◽  
...  
Keyword(s):  
Wireless Networks ◽  
Mathematical Models ◽  
Communication Systems ◽  
Radio Networks ◽  
Mobile Radio ◽  
Mobility Models ◽  
Radio Communication ◽  
Deterministic Models ◽  
Advantages And Disadvantages ◽  
Individual Nodes

The object of research is the military radio communication system. One of the problems in improving the effectiveness of military radio communication systems is the correct description of the movement process in them. Efficient routing protocols are only possible if reliable information on network topology for network nodes is available. Thus, with this information, packets can be forwarded correctly between the sender and the recipient. Given that the mobility of individual nodes is insignificant in special wireless networks, nodes in the network show the mobility properties of a group of nodes. This observation is directly related to the very existence of military wireless networks with the ability to organize themselves, that is, to support group cooperation and group activities. In this work the problem of analysis (decomposition) of the mobility models of military radio communication networks with the possibility of self-organization is solved. The classification of mobility patterns, the description of individual mobility models and the analysis of various aspects currently available, as well as those properties lacking in the attempt to simulate the movement of individual nodes, have been carried out. During the research, the analysis of random, semi-deterministic and deterministic models was carried out. The advantages and disadvantages of the above models have been identified. In the course of the research, the authors of the work used the main principles of the theory of mass service, the theory of automation, the theory of complex technical systems, as well as general scientific methods of knowledge, namely analysis and synthesis. The research results will be useful in: ‒ synthesis of mathematical models of node mobility; ‒ evaluation of the effectiveness of the science-based tool for assessing the mobility of nodes; ‒ validation of recommendations to improve the efficiency of mobile radio networks; ‒ analysis of the radio-electronic situation during the conduct of military operations (operations); ‒ creating advanced technologies to improve the efficiency of mobile radio networks.

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