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Visible light communication (VLC) is one of the main technologies driving the future 5G communication systems due to its ability to support high data rates with low power consumption, thereby facilitating high speed green communications. To…

信息论 · 计算机科学 2017-06-19 Rangeet Mitra , Vimal Bhatia

In this study, we introduce an innovative deep learning framework that employs a transformer model to address the challenges of mixed-integer programs, specifically focusing on the Capacitated Lot Sizing Problem (CLSP). Our approach, to our…

人工智能 · 计算机科学 2024-05-27 Joshua F. Cooper , Seung Jin Choi , I. Esra Buyuktahtakin

Symbol-level precoding (SLP) based on the concept of constructive interference (CI) is shown to be superior to traditional block-level precoding (BLP), however at the cost of a symbol-by-symbol optimization during the precoding design. In…

信息论 · 计算机科学 2022-03-24 Ang Li , Chao Shen , Xuewen Liao , Christos Masouros , A. Lee Swindlehurst

Beam-space MIMO has recently been proposed as a promising solution to enable transmitting multiple data streams using a single RF chain and a single pattern-reconfigurable antenna. Since in a beam-space MIMO system radiation pattern of the…

信息论 · 计算机科学 2016-08-03 Mohsen Yousefbeiki , Juan R. Mosig , Andreas P. Burg

This paper introduces an extension to the Orienteering Problem (OP), called Clustered Orienteering Problem with Subgroups (COPS). In this variant, nodes are arranged into subgroups, and the subgroups are organized into clusters. A reward is…

人工智能 · 计算机科学 2023-12-29 Luciano E. Almeida , Douglas G. Macharet

Efficiently training a multi-task neural solver for various combinatorial optimization problems (COPs) has been less studied so far. Naive application of conventional multi-task learning approaches often falls short in delivering a…

机器学习 · 计算机科学 2025-05-27 Chenguang Wang , Zhang-Hua Fu , Pinyan Lu , Tianshu Yu

Current VLM-based VQA methods often process entire images, leading to excessive visual tokens that include redundant information irrelevant to the posed question. This abundance of unnecessary image details creates numerous visual tokens,…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Jiawei Guo , Feifei Zhai , Pu Jian , Qianrun Wei , Yu Zhou

In massive multiple-input multiple-output (MIMO) systems, achieving high spectral efficiency (SE) often requires advanced precoding algorithms whose complexity scales rapidly with the number of antennas, limiting practical deployment. In…

信号处理 · 电气工程与系统科学 2026-03-13 Seunghyeong Yoo , Mintaek Oh , Jeonghun Park , Namyoon Lee , Jinseok Choi

In this paper, the problem of designing a forward link linear precoder for Massive Multiple-Input Multiple-Output (MIMO) systems in conjunction with Quadrature Amplitude Modulation (QAM) is addressed. First, we employ a novel and efficient…

信息论 · 计算机科学 2017-07-14 Thomas Ketseoglou , Ender Ayanoglu

Aiming at the problems of computational inefficiency and insufficient interpretability faced by large models in complex tasks such as multi-round reasoning and multi-modal collaboration, this study proposes a three-layer collaboration…

计算与语言 · 计算机科学 2025-09-23 Luyan Zhang

In this research, we aim to answer the question: How to combine Closed-Loop State and Input Sensitivity-based with Observability-aware trajectory planning? These possibly opposite optimization objectives can be used to improve trajectory…

机器人学 · 计算机科学 2022-03-15 Christoph Böhm , Pascal Brault , Quentin Delamare , Paolo Robuffo Giordano , Stephan Weiss

Fine-tuning large language models (LLMs) using zeroth-order (ZO) optimization has emerged as a promising alternative to traditional gradient-based methods due to its reduced memory footprint requirement. However, existing ZO methods suffer…

机器学习 · 计算机科学 2025-10-22 Zhendong Mi , Qitao Tan , Grace Li Zhang , Zhaozhuo Xu , Geng Yuan , Shaoyi Huang

Selective attention helps us focus on task-relevant aspects in the constant flood of our sensory input. This constraint in our perception allows us to robustly generalize under distractions and to new compositions of perceivable concepts.…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Ankit Vani , Bac Nguyen , Samuel Lavoie , Ranjay Krishna , Aaron Courville

This paper presents an energy-efficient downlink precoding scheme with the objective of maximizing system energy efficiency in a multi-cell massive MIMO system. The proposed precoding design jointly considers the issues of power control,…

网络与互联网体系结构 · 计算机科学 2018-12-27 Shuai Zhang , Lu Liu , Yu Cheng , Xianghui Cao , Sheng Zhou , Zhisheng Niu , Hangguan Shan

Although Transformer has achieved great successes on many NLP tasks, its heavy structure with fully-connected attention connections leads to dependencies on large training data. In this paper, we present Star-Transformer, a lightweight…

计算与语言 · 计算机科学 2022-04-26 Qipeng Guo , Xipeng Qiu , Pengfei Liu , Yunfan Shao , Xiangyang Xue , Zheng Zhang

In this paper, we propose a sampling algorithm based on state-of-the-art statistical machine learning techniques to obtain conditional nonlinear optimal perturbations (CNOPs), which is different from traditional (deterministic) optimization…

最优化与控制 · 数学 2024-03-26 Bin Shi , Guodong Sun

A novel over-the-air machine learning framework over multi-hop multiple-input and multiple-output (MIMO) networks is proposed. The core idea is to imitate fully connected (FC) neural network layers using multiple MIMO channels by carefully…

信号处理 · 电气工程与系统科学 2025-05-02 Chenghong Bian , Meng Hua , Deniz Gunduz

The traditional Multilayer Perceptron (MLP) using McCulloch-Pitts neuron model is inherently limited to a set of neuronal activities, i.e., linear weighted sum followed by nonlinear thresholding step. Previously, Generalized Operational…

神经与进化计算 · 计算机科学 2019-06-11 Dat Thanh Tran , Serkan Kiranyaz , Moncef Gabbouj , Alexandros Iosifidis

Despite the success of neural-based combinatorial optimization methods for end-to-end heuristic learning, out-of-distribution generalization remains a challenge. In this paper, we present a novel formulation of Combinatorial Optimization…

机器学习 · 计算机科学 2023-10-02 Darko Drakulic , Sofia Michel , Florian Mai , Arnaud Sors , Jean-Marc Andreoli

In this paper, we consider the ChannelComp framework, which facilitates the computation of desired functions by multiple transmitters over a common receiver using digital modulations across a multiple access channel. While ChannelComp…

信号处理 · 电气工程与系统科学 2024-04-26 Xiaojing Yan , Saeed Razavikia , Carlo Fischione