中文
相关论文

相关论文: Chirp-Based Over-the-Air Computation for Long-Rang…

200 篇论文

This paper investigates a new model to improve the scalability of low-power long-range (LoRa) networks by allowing multiple end devices (EDs) to simultaneously communicate with multiple multi-antenna gateways on the same frequency band and…

信号处理 · 电气工程与系统科学 2021-11-22 The Khai Nguyen , Ha H. Nguyen , Ebrahim Bedeer

A Unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) scheme with simultaneous wireless information and power transfer (SWIPT) is proposed in this paper. Unlike existing MEC-WPT schemes that disregard the downlink period for…

信号处理 · 电气工程与系统科学 2024-03-07 Xiaoyan Hu , Pengle Wen , Han Xiao , Wenjie Wang , Kai-Kit Wong

Today's intelligent applications can achieve high performance accuracy using machine learning (ML) techniques, such as deep neural networks (DNNs). Traditionally, in a remote DNN inference problem, an edge device transmits raw data to a…

机器学习 · 计算机科学 2021-06-03 Mounssif Krouka , Anis Elgabli , Chaouki Ben Issaid , Mehdi Bennis

Mobile edge computing (MEC) is a promising technology that provides cloud and IT services within the proximity of the mobile user. With the increasing number of mobile applications, mobile devices (MD) encounter limitations of their…

分布式、并行与集群计算 · 计算机科学 2020-03-10 Mahla Rahati-Quchani , Saeid Abrishami , Mehdi Feizi

The increasing availability of on-board processing units in vehicles has led to a new promising mobile edge computing (MEC) concept which integrates desirable features of clouds and VANETs under the concept of vehicular clouds (VC). In this…

网络与互联网体系结构 · 计算机科学 2019-05-01 Amal A. Alahmadi , Mohammed O. I. Musa , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

Spectro-temporal dynamics of consonant-vowel (CV) transition regions are considered to provide robust cues related to articulation. In this work, we propose an objective measure of precise articulation, dubbed the objective articulation…

音频与语音处理 · 电气工程与系统科学 2022-03-21 Vikram C. Mathad , Julie M. Liss , Kathy Chapman , Nancy Scherer , Visar Berisha

Over-the-air computation (AirComp), as a data aggregation method that can improve network efficiency by exploiting the superposition characteristics of wireless channels, has received much attention recently. Meanwhile, the orthogonal time…

信息论 · 计算机科学 2024-03-27 Dongkai Zhou , Jing Guo , Siqiang Wang , Zhong Zheng , Zesong Fei , Weijie Yuan , Xinyi Wang

In data driven deep learning, distributed sensing and joint computing bring heavy load for computing and communication. To face the challenge, over-the-air computation (OAC) has been proposed for multi-sensor data aggregation, which enables…

信号处理 · 电气工程与系统科学 2024-09-04 Mingjun Du , Sihui Zheng , Xiao-Ping Zhang , Yuhan Dong

A two-stage solution approach for solving the problem of multi-objective optimal power flow (MOPF) is proposed for hybrid AC/DC grids with VSC-HVDC. First, a MOPF model for hybrid AC/DC grids is built to coordinate the economy, voltage…

最优化与控制 · 数学 2018-08-21 Yang Li , Yahui Li , Guoqing Li , Dongbo Zhao , Chen Chen

This paper proposes a low-complexity iterative receiver for the recently proposed Orthogonal Chirp Division Multiplexing (OCDM) modulation scheme, where we consider a system under frequency-selective channels and constrained to channel…

信号处理 · 电气工程与系统科学 2019-03-20 Roberto Bomfin , Marwa Chafii , Gerhard Fettweis

When fine-tuning zero-shot models like CLIP, our desideratum is for the fine-tuned model to excel in both in-distribution (ID) and out-of-distribution (OOD). Recently, ensemble-based models (ESM) have been shown to offer significant…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Beier Zhu , Jiequan Cui , Hanwang Zhang

We consider collaborative inference at the wireless edge, where each client's model is trained independently on its local dataset. Clients are queried in parallel to make an accurate decision collaboratively. In addition to maximizing the…

机器学习 · 计算机科学 2025-01-15 Selim F. Yilmaz , Burak Hasircioglu , Li Qiao , Deniz Gunduz

Federated edge learning (FEEL) is a promising distributed machine learning (ML) framework to drive edge intelligence applications. However, due to the dynamic wireless environments and the resource limitations of edge devices, communication…

信息论 · 计算机科学 2022-02-18 Yuxuan Sun , Sheng Zhou , Zhisheng Niu , Deniz Gündüz

In this paper, the fully corrective forward greedy selection-cross validation-based (FCFGS-CV-based) channel estimator is proposed for wideband millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems with…

信号处理 · 电气工程与系统科学 2022-07-14 In-soo Kim , Junil Choi

In this work, we introduce three algorithmic improvements to reduce the cost and improve the scaling of orbital space variational Monte Carlo (VMC). First, we show that by appropriately screening the one- and two-electron integrals of the…

化学物理 · 物理学 2018-07-30 Iliya Sabzevari , Sandeep Sharma

In orthogonal-frequency division multiplexing (OFDM) systems, carrier and sampling frequency offsets (CFO and SFO, respectively) can destroy the orthogonality of the subcarriers and degrade system performance. In the literature, Nguyen-Le,…

信息论 · 计算机科学 2010-08-17 Y. H. Kim

Mobile edge computing (MEC) and wireless power transfer (WPT) are two promising techniques to enhance the computation capability and to prolong the operational time of low-power wireless devices that are ubiquitous in Internet of Things.…

信号处理 · 电气工程与系统科学 2018-07-19 Fuhui Zhou , Yongpeng Wu , Rose Qingyang Hu , Yi Qian

Convolutional sparse coding (CSC) improves sparse coding by learning a shift-invariant dictionary from the data. However, existing CSC algorithms operate in the batch mode and are expensive, in terms of both space and time, on large…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Yaqing Wang , Quanming Yao , James T. Kwok , Lionel M. Ni

Acoustic velocity vectors are important for human's localization of sound at low frequencies. This paper proposes a sound field reproduction algorithm, which matches the acoustic velocity vectors in a circular listening area. In previous…

音频与语音处理 · 电气工程与系统科学 2024-09-06 Jiarui Wang , Thushara Abhayapala , Jihui Aimee Zhang , Prasanga Samarasinghe

Facing a vast amount of connections, huge performance demands, and the need for reliable connectivity, the sixth generation of communication networks (6G) is envisioned to implement disruptive technologies that jointly spur connectivity,…