How to avoid congestion of mobile network

- We are all faced with situations in the New Year or other holidays when we cannot get on the telephone because the system is overloaded. Mathematical calculations, particularly the methods of queuing theory, allow solving such problems -- says Svetlana Moiseeva, Professor of the Tomsk State University (TSU). -- Creating and studying the mathematical models of real telecommunication streams, information systems, and computer networks is very relevant today.

The team, led by Professor Anatoly Nazarov, for several years has been developing models and methods to choose a rational structure for the service system. Such problems are usually solved by creating a program for each specific case. TSU mathematicians managed to invent a universal method, which is suitable for solving a very broad class of problems associated with queuing.

- We have derived the general formula for the calculation: it is enough to substitute for the variables specific parameters, such as the number of servers, towers, communication channels, and others and you can find out under what conditions the system will run smoothly, -- says Anatoly Nazarov. -- Using this method will enable significant savings on upgrading, for example, and the risk of buying equipment that will stand idle is significantly reduced.

Scientists say this method is so universal that it is suitable for calculating the efficiency of different service systems -- in retail, insurance companies, banks, ports, and others. In addition, with its help it will be possible to predict the functioning of such systems to make effective management decisions.

The research results were published in the European Journal of Operational Research, ranked 6th among journals on mathematical and simulation modeling, and they interested scientists from different countries. Also, the report on the subject was read at the International Symposium on Systems with Repeated Calls, held in Amsterdam. It made such an impression that the symposium organizing committee proposed to hold the next meeting in 2018 at Tomsk State University.