Design and Implementation of a Feedback-Aware MISO Event-Based Optical Camera Communication System

Fernanda Borja Muñoz, Jaime Aranda Cubillo, Ignacio Bugueno-Cordova, Rodrigo Verschae, Pablo Palacios Játiva, David Zabala-Blanco, Cesar Azurdia-Meza

Abstract: This work presents a feedback-aware MISO event-based OCC system that incorporates an event camera as the receiver and a LED array as the transmitter. Unlike the majority current OCC approaches, which rely on single-LED transmitters and are typically evaluated offline due to their complex demodulation, the proposed system supports near–real–time operation by leveraging event-driven sensing and a lightweight demodulation scheme. The system supports configurations of 1, 4, 16, or 64 transmitters by coordinating groups of LEDs to blink simultaneously. A feedback mechanism based on pilot signals dynamically adjusts the number of active transmitters and moves toward an enhanced configuration. The proposed system maintained stable performance across all tested distances, achieving a maximum throughput of approximately 800 bps and remaining functional up to a maximum tested distance of 120 cm. These results demonstrate that the temporal advantages of event cameras can be effectively harnessed in OCC systems to enable robust and adaptive feedback-based communication.

External IDs:doi:10.1109/lpt.2026.3692381