Novel Design of Two-tier Slotted-ALOHA OWC/RF IoT Networks with Adaptive Control

被引：0

作者：

Petkovic, Milica ^{[1
]}

Vegni, Anna Maria ^{[2
]}

Orano, Enrique Hernandez ^{[3
]}

Manzoni, Pietro ^{[3
]}

Vukobratovic, Dejan ^{[1
]}

机构：

[1] Univ Novi Sad, Fac Tech Sci, Novi Sad, Serbia

[2] Roma Tre Univ, Dept Ind Elect & Mech Engn, Rome, Italy

[3] Univ Politecn Valencia, Valencia, Spain

来源：

2024 14TH INTERNATIONAL SYMPOSIUM ON COMMUNICATION SYSTEMS, NETWORKS AND DIGITAL SIGNAL PROCESSING, CSNDSP 2024 | 2024年

基金：

欧盟地平线“2020”;

关键词：

Internet of Things; Low-Power Wide-Area Network; Optical Wireless Communications; Slotted ALOHA;

D O I：

10.1109/CSNDSP60683.2024.10636674

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, we present a novel design of a two-tier slotted-ALOHA system for massive Internet of Things (IoT) systems. Indoor IoT devices access the network via optical wireless communication (OWC), and relay data via a back-haul radio frequency low-power wide-area network (LPWAN). The main motivation of system under consideration is to reduce the connection density of LPWANs by offloading indoor devices to the OWC-based IoT. The first OWC tier employs slotted-ALOHA random access protocol with multi-packet reception and capture effect in the presence of interfering users, while the second LPWAN is based on slotted-ALOHA with different slot rates compared to the OWC tier. The aim of the presented analysis is to offer design insights for the two-tier OWC/RF system, while focusing on the adaptive selection of the data rates of OWC and LPWAN networks.

引用

页码：400 / 405

页数：6

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