Difference between revisions of "Resource:Previous Seminars"

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=== History ===
=== History ===
{{Hist_seminar
|abstract = Reconfigurable Intelligent Surfaces (RIS) are a promising technology for creating smart radio environments by controlling wireless propagation. However, several factors hinder the integration of RIS technology into existing cellular networks, including the incompatibility of RIS control interfaces with 5G PHY/MAC procedures for synchronizing radio scheduling decisions and RIS operation, and the cost and energy limitations of passive RIS technology. This paper presents RISENSE, a system for practical RIS integration in cellular networks. First, we propose a novel, low-cost, and low-power RIS design capable of decoding control messages without complex baseband operations or additional RF chains, utilizing a power sensor and a network of microstrip lines and couplers. Second, we design an effective in-band wireless RIS control interface, compatible with 5G PHY/MAC procedures, that embeds amplitude-modulated (AM) RIS control commands directly into standard OFDM-modulated 5G data channels. Finally, we propose a low-overhead protocol that supports swift on-demand RIS re-con gurability, making it adaptable to varying channel conditions and user mobility, while minimizing the wastage of 5G OFDM symbols. Our experiments validate the design of RISENSE and our evaluation shows that our system can reconfigure a RIS at the same pace as users move, boosting 5G coverage where static or slow RIS controllers cannot.
|confname = Mobisys'25
|link = https://dspace.networks.imdea.org/handle/20.500.12761/1925
|title= RISENSE: Long-Range In-Band Wireless Control of Passive Reconfigurable Intelligent Surfaces
|speaker= Haifeng
|date=2025-9-12
}}
{{Hist_seminar
|abstract = Traditional 3D content representations include dense point clouds that consume large amounts of data and hence network bandwidth, while newer representations such as neural radiance fields suffer from poor frame rates due to their non-standard volumetric rendering pipeline. 3D Gaussian splats (3DGS) can be seen as a generalization of point clouds that meet the best of both worlds, with high visual quality and efficient rendering for real-time frame rates. However, delivering 3DGS scenes from a hosting server to client devices is still challenging due to high network data consumption (e.g., 1.5 GB for a single scene). The goal of this work is to create an efficient 3D content delivery framework that allows users to view high quality 3D scenes with 3DGS as the underlying data representation. The main contributions of the paper are: (1) Creating new layered 3DGS scenes for efficient delivery, (2) Scheduling algorithms to choose what splats to download at what time, and (3) Trace-driven experiments from users wearing virtual reality headsets to evaluate the visual quality and latency. Our system for Layered 3D Gaussian Splats delivery (L3GS) demonstrates high visual quality, achieving 16.9% higher average SSIM compared to baselines, and also works with other compressed 3DGS representations. The code is available at https://github.com/mavens-lab/layered_3d_gaussian_splats.
|confname =Mobicom'25
|link = https://arxiv.org/html/2504.05517v1
|title= L3GS: Layered 3D Gaussian Splats for Efficient 3D Scene Delivery
|speaker=Jiyi
|date=2025-9-12
}}
{{Hist_seminar
{{Hist_seminar
|abstract = This year, we are embracing the exciting new trends in AIoT including MLsys, LLMs, embodied perception, volumetric videos, etc. Papers collected from top venues in 2025 will be discussed in-depth, and research problems and new ideas are to be discovered!
|abstract = This year, we are embracing the exciting new trends in AIoT including MLsys, LLMs, embodied perception, volumetric videos, etc. Papers collected from top venues in 2025 will be discussed in-depth, and research problems and new ideas are to be discovered!

Revision as of 18:49, 16 September 2025

History

2024

2023

2022

2021

2020

  • [Topic] [ The path planning algorithm for multiple mobile edge servers in EdgeGO], Rong Cong, 2020-11-18

2019

2018

2017

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