koz"Вестник Северо-Казахстанского университета имени Манаша Козыбаева"Bulletin of Manash Kozybayev North Kazakhstan University2958-003X2958-0048М. Қозыбаев атындағы СҚУ10.54596/2958-0048-2026-3-296-308koz-2938Research ArticleИНФОРМАЦИОННО-КОММУНИКАЦИОННЫЕ ТЕХНОЛОГИИINFORMATION AND COMMUNICATION TECHNOLOGIESИМИТАЦИОННАЯ МОДЕЛЬ ДЛЯ ОЦЕНКИ ПРОИЗВОДИТЕЛЬНОСТИ IoT-СИСТЕМ С УЧЕТОМ СЕТЕВЫХ ХАРАКТЕРИСТИКA SIMULATION-DRIVEN FRAMEWORK FOR NETWORK-AWARE PERFORMANCE EVALUATION OF IOT SYSTEMShttps://orcid.org/0000-0002-7985-8696BayraktarA. S.BayraktarA. S.

Сакарья

PhD Candidate, Department of Software Engineering

asbayraktar@sakarya.edu.trhttps://orcid.org/0000-0002-6912-0057CekenC.CekenC.

Сакарья

corresponding author, PhD, Sakarya University, Department of Computer Engineering

celalceken@sakarya.edu.trУниверситет Сакарья, кафедра программной инженерииТурцияSakarya University, Department of Computer Engineering, Sakarya, TürkiyeTurkeyУниверситет Сакарья, кафедра компьютерной инженерииТурцияSakarya University, Department of Software Engineering, Sakarya, TürkiyeTurkey20263009202603 (71)296308Copyright © Bayraktar A.S., Ceken C., 20262026Bayraktar A.S., Ceken C.Bayraktar A., Ceken C.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.ku.edu.kz/jour/article/view/2938

Выбор и развертывание подходящей беспроводной сенсорной сети (WSN) является важной задачей при проектировании IoT-систем. Оценка различных конфигураций WSN посредством физического развертывания может требовать значительных затрат времени и ресурсов. В данной работе предлагается структура, основанная на моделировании, которая интегрирует моделируемую WSN с коммуникационной инфраструктурой IoT на базе MQTT для оценки производительности системы с учетом характеристик сети до физического развертывания. WSN на основе SDN-WISE была реализована с использованием симулятора Cooja, а генерируемый сенсорный трафик передавался в MQTT-кластер на базе Mosquitto посредством механизма интеграции через сокетное соединение. В отличие от традиционных подходов, использующих независимые генераторы трафика, MQTT-нагрузка в предлагаемой структуре формируется непосредственно моделируемой WSN. Эксперименты со сценариями, содержащими 24, 36 и 48 узлов, показали, что средняя сквозная задержка увеличилась с 37,51 мс до 138,01 мс, тогда как общая пропускная способность на уровне приложений увеличилась с 142,51 бит/с до 281,12 бит/с. Во всех сценариях коэффициент доставки пакетов сохранялся практически на уровне 100%. Предлагаемый подход обеспечивает контролируемую и воспроизводимую среду для оценки различных конфигураций WSN и позволяет сократить необходимость многократного физического развертывания на ранних этапах проектирования IoT -систем.

Selecting and deploying an appropriate wireless sensor network (WSN) is an important challenge in IoT system design. Evaluating different WSN configurations through physical deployment can be costly and time-consuming. This study proposes a simulation-driven framework that integrates a simulated WSN with an MQTT-based IoT communication infrastructure to enable network-aware performance evaluation prior to physical deployment. An SDN-WISE-based WSN was implemented using the Cooja simulator, and the generated sensor traffic was forwarded to a Mosquitto-based MQTT cluster via a socket-based integration mechanism. Unlike conventional approaches that use independent traffic generators, the MQTT workload in the proposed framework originates directly from the simulated WSN. Experiments with 24-, 36-, and 48-node scenarios showed that average end-to- end delay increased from 37.51 ms to 138.01 ms, while total application throughput increased from 142.51 bps to 281.12 bps. Packet delivery remained effectively near 100% across all scenarios. The proposed approach provides a controlled, repeatable environment for evaluating various WSN configurations and can reduce the need for multiple physical deployments in the early stages of IoT system design.

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The authors declare that there are no conflicts of interest present.