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Deploying large language models (LLMs) on edge devices is crucial for delivering fast responses and ensuring data privacy. However, the limited storage, weight, and power of edge devices make it difficult to deploy LLM-powered applications.…

硬件体系结构 · 计算机科学 2025-06-04 Chunlin Tian , Xinpeng Qin , Kahou Tam , Li Li , Zijian Wang , Yuanzhe Zhao , Minglei Zhang , Chengzhong Xu

Rate-Splitting Multiple Access (RSMA) is a robust multiple access scheme for multi-antenna wireless networks. In this work, we study the performance of RSMA in downlink overloaded networks, where the number of transmit antennas is smaller…

信息论 · 计算机科学 2023-06-26 Onur Dizdar , Ata Sattarzadeh , Yi Xien Yap , Stephen Wang

Future wireless networks will utilize extremely large-scale antenna arrays (ELAAs) over high-frequency bands, which, however, produce near-field spherical wavefronts and spatial wideband effects. To exploit and mitigate these, this paper…

信息论 · 计算机科学 2025-12-09 Jiasi Zhou , Chintha Tellambura

This paper addresses the four enabling technologies, namely multi-user sparse code multiple access (SCMA), content caching, energy harvesting, and physical layer security for proposing an energy and spectral efficient resource allocation…

信息论 · 计算机科学 2018-08-15 Mohammad R. Abedi , Nader Mokari , Mohammad R. Javan , Eduard. A. Jorswieck

Reverse time migration (RTM) is an algorithm widely used in the oil and gas industry to process seismic data. It is a computationally intensive task that suits well in parallel computers. Methods such as RTM can be parallelized in shared…

分布式、并行与集群计算 · 计算机科学 2020-08-14 Ítalo A. S. Assis , João B. Fernandes , Tiago Barros , Samuel Xavier-de-Souza

For the multiuser multiple-input multiple-output (MIMO) downlink channel, the users feedback their channel state information (CSI) to help the base station (BS) schedule users and improve the system sum rate. However, this incurs a large…

信息论 · 计算机科学 2011-03-22 Jin-Hao Li , Hsuan-Jung Su , Yu-Lun Tsai

Edge computing enables latency-critical applications to process data close to end devices, yet task heterogeneity and limited resources pose significant challenges to efficient orchestration. This paper presents a measurement-driven,…

分布式、并行与集群计算 · 计算机科学 2026-01-01 Yongmin Zhang , Pengyu Huang , Mingyi Dong , Jing Yao

In this paper, by considering multiple slices, a downlink transmission of a sparse code multiple access (SCMA) based cloud-radio access network (C-RAN) is investigated. In this regard, by supposing multiple input and single output (MISO)…

网络与互联网体系结构 · 计算机科学 2019-02-26 Mohammad. Moltafet , Saeedeh. Parsaeefard , Mohammad R. Javan , Nader. Mokari

Computation-efficient resource allocation strategies are of crucial importance in mobile edge computing networks. However, few works have focused on this issue. In this letter, weighted sum computation efficiency (CE) maximization problems…

信号处理 · 电气工程与系统科学 2019-10-28 Yuhang Wu , Yuhao Wang , Fuhui Zhou , Rose Qingyang Hu

This paper proposes Mandheling, the first system that enables highly resource-efficient on-device training by orchestrating the mixed-precision training with on-chip Digital Signal Processing (DSP) offloading. Mandheling fully explores the…

网络与互联网体系结构 · 计算机科学 2022-07-07 Daliang Xu , Mengwei Xu , Qipeng Wang , Shangguang Wang , Yun Ma , Kang Huang , Guang Huang , Xin Jin , Xuanzhe Liu

This study explores a next-generation multiple access (NGMA) framework for cell-free massive MIMO (CF-mMIMO) systems enhanced by stacked intelligent metasurfaces (SIMs), aiming to improve simultaneous wireless information and power transfer…

信号处理 · 电气工程与系统科学 2026-02-25 Thien Duc Hua , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

From hardware offloads like RDMA to software ones like eBPF, offloads are everywhere and their value is in performance. However, there is evidence that fully offloading -- even when feasible -- does not always give the expected speedups.…

网络与互联网体系结构 · 计算机科学 2025-10-02 Georgia Fragkouli , Laurent Vanbever

The variational quantum eigensolver (VQE) is a promising method for simulating molecular systems on near-term quantum computers. This approach employs energy estimation; however, other relevant molecular properties can be extracted from the…

Spatial division multiple access (SDMA) is essential to improve the spectrum efficiency for multi-user multiple-input multiple-output (MIMO) communications. The classical SDMA for massive MIMO with hybrid precoding heavily relies on the…

信号处理 · 电气工程与系统科学 2023-06-28 Zidong Wu , Linglong Dai

The mobile edge computing framework offers the opportunity to reduce the energy that devices must expend to complete computational tasks. The extent of that energy reduction depends on the nature of the tasks, and on the choice of the…

信息论 · 计算机科学 2019-05-01 Mahsa Salmani , Timothy N. Davidson

The deployment of millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems cannot rely solely on digital precoding due to hardware constraints. Instead, hybrid precoding, which combines digital and radio frequency (RF)…

信号处理 · 电气工程与系统科学 2025-09-16 Navid Reyhanian , Reza Ghaderi Zefreh , Parisa Ramezani , Emil Björnson

In this paper, we study resource allocation for downlink orthogonal frequency division multiple access (OFDMA) systems with the objective to enable ultra-reliable low latency communication (URLLC). To meet the stringent delay requirements…

信息论 · 计算机科学 2019-01-18 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober

By offering shared computational facilities to which mobile devices can offload their computational tasks, the mobile edge computing framework is expanding the scope of applications that can be provided on resource-constrained devices. When…

信息论 · 计算机科学 2018-10-16 Mahsa Salmani , Timothy N. Davidson

This paper applies machine learning to optimize the transmission policy of cognitive radio inspired non-orthogonal multiple access (CR-NOMA) networks, where time-division multiple access (TDMA) is used to serve multiple primary users and an…

信息论 · 计算机科学 2021-04-14 Zhiguo Ding , Robert Schober , H. Vincent Poor

Deep learning implementations on CPUs (Central Processing Units) are gaining more traction. Enhanced AI capabilities on commodity x86 architectures are commercially appealing due to the reuse of existing hardware and virtualization ease. A…