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- Tsinghua UniversityCN93 papers
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8 papers · 2 filters
GeoPipe: a Geo-distributed LLM Training Framework with enhanced Pipeline Parallelism in a Lossless RDMA-enabled Datacenter Optical Transport Network
Jun Dai, Xiaorun Wang, Kexiong Fang +3
The proliferation of Large Language Models (LLMs) with exponentially growing parameters is making cross-data center (DC) training an inevitable trend. However, viable strategies fo…
An SDR-Based Test Platform for 5G NTN Prototyping and Validation
Lu Hou, Kan Zheng, Jie Mei +1
The integration of satellite communication into 5G has been formalized in 3GPP Release 17 through the specification of Non-Terrestrial Networks (NTN), marking a significant step to…
Modeling and Performance Analysis of IoT-over-LEO Satellite Systems under Realistic Operational Constraints: A Stochastic Geometry Approach
Wen-Yu Dong, Shaoshi Yang, Ping Zhang +1
Current theoretical studies on IoT-over-LEO satellite systems often rely on unrealistic assumptions, such as infinite terrestrial areas and omnidirectional satellite coverage, leav…
Joint Task Offloading and Channel Allocation in Spatial-Temporal Dynamic for MEC Networks
Tianyi Shi, Tiankui Zhang, Jonathan Loo +2
Computation offloading and resource allocation are critical in mobile edge computing (MEC) systems to handle the massive and complex requirements of applications restricted by limi…
Task-Oriented Multimodal Token Transmission in Resource-Constrained Multiuser Networks
Junhe Zhang, Wanli Ni, Pengwei Wang +1
With the emergence of large model-based agents, widely adopted transformer-based architectures inevitably produce excessively long token embeddings for transmission, which may resu…
Cache-Aware Cooperative Multicast Beamforming in Dynamic Satellite-Terrestrial Networks
Shuo Yuan, Yaohua Sun, Mugen Peng
With the burgeoning demand for data-intensive services, satellite-terrestrial networks (STNs) face increasing backhaul link congestion, deteriorating user quality of service (QoS),…