Title: Wireless channel allocation in smart buildings using cross-interference model

Authors: Gabriel Galdino da Silva; Francisco José Cardoso Da Conceição; Rafael Lopes Gomes

Addresses: Center of Science and Technology – State University of Ceará (UECE), Av. Silas Munguba 1700, 60714903, Fortaleza, CE, Brazil ' Center of Science and Technology – State University of Ceará (UECE), Av. Silas Munguba 1700, 60714903, Fortaleza, CE, Brazil ' Center of Science and Technology – State University of Ceará (UECE), Av. Silas Munguba 1700, 60714903, Fortaleza, CE, Brazil

Abstract: The IoT paradigm has enabled the proliferation of connected wireless devices that utilise various technologies such as Bluetooth, Zigbee, and Wi-Fi, all operating within the common 2.4 GHz frequency band. However, sharing the same frequency poses challenges due to significant interference among these devices, making their coexistence in the same environment quite daunting, mainly in smart buildings. Calculating interference between devices on different floors necessitates factoring in signal loss as it passes through ceilings or floors, along with distance-related signal attenuation between the devices. Within this context, this article proposes an interference model that is applied in an algorithm to allocate the channels of the devices in a smart building environment. The model proposed aims to minimise the total interference of the environment between devices using different access technologies, improving the performance of the network and the applications that rely on it, leading to a suitable expectation of the network capabilities.

Keywords: wireless channel; smart building; cross-interference; internet of things.

DOI: 10.1504/IJAHUC.2026.154338

International Journal of Ad Hoc and Ubiquitous Computing, 2026 Vol.52 No.2, pp.124 - 134

Received: 16 Jan 2025
Accepted: 27 Jul 2025
Published online: 23 Jun 2026 *

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