Relay Assisted Multiuser OWC Systems under Human Blockage

2023-04-10 · Y. Zeng, Sanaa H. Mohamed, Ahmad Qidan, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani

This paper proposes using cooperative communication based on optoelectronic (O-E-O) amplify-and-forward relay terminals to reduce the influence of the blockage and shadowing resulting from human movement in a beam steering Optical Wireless Communication (OWC) system. The simulation results indicate that on average, the outage probability of the cooperative communication mode with O-E-O relay terminals is two orders of magnitude lower than the outage probability of the system without relay terminals.

📄 PDF Abstract BibTeX arXiv:2304.04492

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Multiuser Resource Allocation for Semantic-Relay-Aided Text Transmissions

2023-11-12 · Zeyang Hu, Tianyu Liu, Changsheng You, Zhaohui Yang 외

Semantic communication (SemCom) is an emerging technology that extracts useful meaning from data and sends only relevant semantic information. Thus, it has the great potential to improve the spectrum efficiency of conven…

Decoder Semantic Communication

Performance of a Relay-Assisted Hybrid FSO/RF Communication System

2018-11-20

This paper investigates performance of a relay assisted hybrid Free Space Optical / Radio Frequency (FSO/RF) communication system. The proposed structure is particularly recommended anywhere that direct RF communication …

Reflection and Relay Dual-Functional RIS Assisted MU-MISO Systems

2021-07-24 · Yanan Ma, Rang Liu, Yang Liu, Ming Li 외

Reconfigurable intelligent surfaces (RISs) have been deemed as one of potential components of future wireless communication systems because they can adaptively manipulate the wireless propagation environment with low-cos…

Latency Minimization for Movable Antennas-Enabled Relay-aided D2D Mobile Edge Computing Communication Systems

2024-12-16 · Yue Xiu, Yang Zhao, Ran Yang, Huimin Tang 외

Device-to-device (D2D)-assisted mobile edge computing (MEC) is one of the critical technologies of future sixth generation (6G) networks. The core of D2D-assisted MEC is to reduce system latency for network edge UEs by s…

Cloud Computing Edge-computing

Relay Assisted OFDM with Subcarrier Number Modulation in Multi-Hop Cooperative Networks

2020-07-07 · Shuping Dang, Jiusi Zhou, Basem Shihada, Mohamed-Slim Alouini

Orthogonal frequency-division multiplexing (OFDM) with subcarrier number modulation (OFDM-SNM) manifests its superior nature of high spectral efficiency (SE) and low complexity for signal estimation. To exploit the spati…

Diversity