11 papers
When Robots Exchange Meaning: A Demo of Goal-Oriented Semantic Communications for Collaborative Robotics
Peizheng Li, Xinyi Lin, Sajida Gufran +1
The paper demonstrates a robot‑edge semantic communication testbed that compresses visual data into VQ‑VAE tokens on a mobile robot and reconstructs it on an edge device for semant…
Powering Net-Zero 6G: Packetized Energy Management for Grid-Interactive Telecom Infrastructure
Adnan Aijaz, Xinyi Lin
The paper proposes packetized energy management (PEM) to make 6G base stations act as grid‑interactive assets that can schedule flexible energy demand in response to renewable avai…
The Price of Meaning: Quantifying Semantic Communication Overheads in Practice
Xinyi Lin, Peizheng Li, Adnan Aijaz
The paper presents an analytical framework to quantify the spectral and energy overheads of semantic communication, identifying conditions under which semantic compression yields n…
Latency-aware Human-in-the-Loop Reinforcement Learning for Semantic Communications
Peizheng Li, Xinyi Lin, Adnan Aijaz
Semantic communication promises task-aligned transmission but must reconcile semantic fidelity with stringent latency guarantees in immersive and safety-critical services. This pap…
A Multi-Year Urban Streetlight Imagery Dataset for Visual Monitoring and Spatio-Temporal Drift Detection
Peizheng Li, Ioannis Mavromatis, Ajith Sahadevan +3
We present a large-scale, longitudinal visual dataset of urban streetlights captured by 22 fixed-angle cameras deployed across Bristol, U.K., from 2021 to 2025. The dataset contain…
Satellite Direct-to-Device from Low Earth Orbit: Techno-Economic Analysis of a Global Non-Terrestrial Network
Adnan Aijaz, Peizheng Li, Sajida Gufran
Low Earth orbit (LEO) satellites and satellite direct-to-device (D2D) technology are at the heart of the next-generation global connectivity which promises direct access to space-b…