Dual-Hop Joint Visible Light and Backscatter Communication Relaying under Finite Blocklength
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866908852166852608 |
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| author | Xie, Boxuan Mela, Lauri Dowhuszko, Alexis A. Wang, Jiacheng Ruttik, Kalle Jäntti, Riku |
| author_facet | Xie, Boxuan Mela, Lauri Dowhuszko, Alexis A. Wang, Jiacheng Ruttik, Kalle Jäntti, Riku |
| contents | This paper investigates a dual-hop joint visible light communication (VLC) and backscatter communication (BC) relaying framework under the finite blocklength (FBL) constraint, aiming at energy-neutral Ambient Internet of Things (A-IoT) deployments. In the proposed system, indoor LED access points are used to simultaneously provide illumination and transmit information over light to a backscatter device (BD), which harvests optical energy and backscatters the received messages to user equipments (UEs) equipped with radio frequency (RF) front ends. This forwarding of the information from VLC to RF channels is implemented without the need for carrier synthesizers and power amplifiers at the IoT node. By modeling the end-to-end communication link with short-packet IoT traffic and realistic levels of interference between adjacent VLC coverage areas, we analyze the outage performance and achievable data rate of the proposed system. Simulation results demonstrate that key factors, such as placement and orientation of the BD, as well as the selected code rate of the system affect reliability and data rate that can be achieved for communication purposes. The insights gained from this study pave the way for ambient power-enabled IoT solutions and future hybrid VLC/RF network designs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_21744 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Dual-Hop Joint Visible Light and Backscatter Communication Relaying under Finite Blocklength Xie, Boxuan Mela, Lauri Dowhuszko, Alexis A. Wang, Jiacheng Ruttik, Kalle Jäntti, Riku Signal Processing Networking and Internet Architecture This paper investigates a dual-hop joint visible light communication (VLC) and backscatter communication (BC) relaying framework under the finite blocklength (FBL) constraint, aiming at energy-neutral Ambient Internet of Things (A-IoT) deployments. In the proposed system, indoor LED access points are used to simultaneously provide illumination and transmit information over light to a backscatter device (BD), which harvests optical energy and backscatters the received messages to user equipments (UEs) equipped with radio frequency (RF) front ends. This forwarding of the information from VLC to RF channels is implemented without the need for carrier synthesizers and power amplifiers at the IoT node. By modeling the end-to-end communication link with short-packet IoT traffic and realistic levels of interference between adjacent VLC coverage areas, we analyze the outage performance and achievable data rate of the proposed system. Simulation results demonstrate that key factors, such as placement and orientation of the BD, as well as the selected code rate of the system affect reliability and data rate that can be achieved for communication purposes. The insights gained from this study pave the way for ambient power-enabled IoT solutions and future hybrid VLC/RF network designs. |
| title | Dual-Hop Joint Visible Light and Backscatter Communication Relaying under Finite Blocklength |
| topic | Signal Processing Networking and Internet Architecture |
| url | https://arxiv.org/abs/2602.21744 |