The dissertation is devoted to the implementation of new approaches to assessing the efficiency of modern multiservice telecommunication systems. For the first time, a unified concept for well-known and promising technologies related to fundamental knowledge (information theory, noise immunity theory, coding theory) is proposed, without losing the specific features of the relevant engineering techniques.
As the amount of information increases and the time of information transfer decreases, the problem of information transfer with modern technologies is to minimize the time of information processing, transportation and delivery.
Accordingly, in the information community, there is a conflict between the needs of users (service scenarios for transfering information) and the resources that can provide the delivery of services - telecommunications - to implement such scenarios.
The scientific substantiation problem of procedures for establishing the correspondence between sets of requirements (Scenarios) and ways of ensuring timely and reliable transmission of multiservice information arrays (Strategies) is solved.
The methodological basis of the Telecommunication Strategies at the Physical level is formed. It is built on the solution of the fundamental contradiction between performance and reliability: speeding up the transmission of information flows at given resources inevitably leads to loss of reliability. The use of tools to maintain the necessary reliability will inevitably result in a loss of productivity.
Criteria and indicators of evaluation of multiservice telecommunication systems according to the proposed concept are defined. The requirements for the reliability and maximum speed of signal transmission (to ensure conditions of timely delivery) are contradictory at the level of the basic argument h2 of the Р(h2).
Strategies for transmitting information on LAN, MAN, WAN networks are proposed. Experimental data, which were first obtained as a functional of the traditional analytical energy parameter h2, are presented, converting a heuristic algorithm to make decisions about changing the SCS type based on the operation of the error counter. This result is the basis for comparing channel resources using the algorithms implemented in IEEE 802.11n devices, as well as the recommendations obtained from analytical research.
The modified technique of telecommunication technologies efficiency estimation is offered, which complements the known estimation technique for efficiency of information transmission systems, proposed by prof. Zyuko A., without changing its physical essence, with the following new features:
- introduction of the generalized efficiency scale η to determine its numerical values in the range 0 <η ≤ 1;
- correct display of performance indicators {η; β; γ} on a uniform scale for discrete and continuous transmission systems in the area bounded by the Shannon boundary;
- the availability of a comprehensive assessment of the information efficiency of different systems based on three indicators of information efficiency: energy β, frequency γ, and generalized η, which make this assessment more objective.
- expanding the range of parameters that are displayed when changing the requirements for the reliability of P when evaluating the information efficiency of different systems of information transmission.
The results of organization of the transport component of a point-to-point network using means of information transmission based on IEEE 802.11xx standards, relaying of signal on the basis of several point-to-point lines, and distribution of information flows at relay points; development of construction principles for a multilevel adaptive wireless sensor network with mobile sensors are presented in the paper.
Keywords: construction of telecommunication systems, scenario, strategy, multiservice telecommunication system, information efficiency, LAN, MAN, WAN.
