Optimal optical camera communication-ALOHA random access algorithm aided visible light communication system

Li, Te-yu; Chi, Xuefen; Ji, Fenglei; Shi, Hanyang; Wang, Shuang

doi:10.1117/1.oe.59.7.076111

Cited by 5 publications

(2 citation statements)

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“…The OWC systems have been studied in the recent literature as a potential indoor IoT solution in current and upcoming generation of the communication technologies [15]- [21]. Moreover, the OWC-based IoT systems with different uplink RA approaches with sporadic and varying device activity were analyzed in [22]- [25]. More precisely, [22] analyzed the uplink multi-receiver OWC system in the context of massive IoT application, where coded SA approach with successive interference cancellation was adopted.…”

Section: Introductionmentioning

confidence: 99%

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Slotted Aloha with Capture for OWC-based IoT: Finite Block-Length Performance Analysis

Devaja¹,

Petkovic²,

Escribano³

et al. 2022

Preprint

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In this paper, we propose a Slotted ALOHA (SA)inspired solution for an indoor optical wireless communication (OWC)-based Internet of Things (IoT) system. Assuming that the OWC receiver exploits the capture effect, we are interested in the derivation of error probability of decoding a short-length data packet originating from a randomly selected OWC IoT transmitter. The presented OWC system analysis rests on the derivation of the signal-to-noise-and-interference-ratio (SINR) statistics and usage of finite block-length (FBL) information theory, from which relevant error probability and throughput is derived. Using the derived expressions, we obtain numerical results which are further utilized to characterize the trade-offs between the system performance and the OWC system setup parameters. The indoor OWC-based system geometry plays an important role in the system performance, thus the presented results can be used as a guideline for the system design to optimize the performance of the SA-based random access protocol.

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Section: Introductionmentioning

confidence: 99%

“…An optical camera communication based on ALOHA RA scheme was analyzed in [25], where the access probability of each terminal was utilized to perform the access fairness and system throughput rate optimization.…”

Section: Introductionmentioning

confidence: 99%