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Related papers: Towards Unified AI Models for MU-MIMO Communicatio…

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Current unified multimodal models typically rely on discrete visual tokenizers to bridge the modality gap. However, discretization inevitably discards fine-grained semantic information, leading to suboptimal performance in visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Yaqi Zhao , Wang Lin , Zijian Zhang , Miles Yang , Jingyuan Chen , Wentao Zhang , Zhao Zhong , Liefeng Bo

Unified Multimodal Models (UMMs) built on shared autoregressive (AR) transformers are attractive for their architectural simplicity. However, we identify a critical limitation: when trained on multimodal inputs, modality-shared transformers…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Jitai Hao , Hao Liu , Xinyan Xiao , Qiang Huang , Jun Yu

In conventional multi-user multiple-input multiple-output (MU-MIMO) systems with frequency division duplexing (FDD), channel acquisition and precoder optimization processes have been designed separately although they are highly coupled.…

Information Theory · Computer Science 2022-09-22 Jeonghyeon Jang , Hoon Lee , Il-Min Kim , Inkyu Lee

Remarkable research activities and major advances have been occurred over the past decade in multiuser multiple-input multiple-output (MU-MIMO) systems. Several transmission technologies and precoding techniques have been developed in order…

Information Theory · Computer Science 2016-11-16 Eduardo Castañeda , Adão Silva , Atílio Gameiro , Marios Kountouris

This study explored the transformative potential of artificial intelligence (AI) in addressing the challenges posed by terahertz ultra-massive multiple-input multiple-output (UM-MIMO) systems. It begins by outlining the characteristics of…

Signal Processing · Electrical Eng. & Systems 2025-07-24 Wentao Yu , Hengtao He , Shenghui Song , Jun Zhang , Linglong Dai , Lizhong Zheng , Khaled B. Letaief

This letter investigates the problem of energy efficient collaborative strategy for mobile embodied artificial intelligence network (MEAN) over wireless communication. In the considered model, the agents execute the tasks through…

Signal Processing · Electrical Eng. & Systems 2026-05-15 Chenliang Wu , Zhouxiang Zhao , Jiaxiang Wang , Ruopeng Xu , Chen Zhu , Zhaohui Yang , Zhaoyang Zhang

The remarkable success of diffusion models in text-to-image generation has sparked growing interest in expanding their capabilities to a variety of multi-modal tasks, including image understanding, manipulation, and perception. These tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xinyang Song , Libin Wang , Weining Wang , Shaozhen Liu , Dandan Zheng , Jingdong Chen , Qi Li , Zhenan Sun

The downlink transmission in multi-user multiple-input multiple-output (MIMO) systems has been extensively studied from both communication-theoretic and information-theoretic perspectives. Most of these papers assume perfect/imperfect…

Information Theory · Computer Science 2008-05-05 Jubin Jose , Alexei Ashikhmin , Phil Whiting , Sriram Vishwanath

Multimodal learning aims to build models that can process and relate information from multiple modalities. Despite years of development in this field, it still remains challenging to design a unified network for processing various…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Yiyuan Zhang , Kaixiong Gong , Kaipeng Zhang , Hongsheng Li , Yu Qiao , Wanli Ouyang , Xiangyu Yue

The conventional design of wireless communication systems typically relies on established mathematical models that capture the characteristics of different communication modules. Unfortunately, such design cannot be easily and directly…

Signal Processing · Electrical Eng. & Systems 2021-10-04 Yifan Ma , Yifei Shen , Xianghao Yu , Jun Zhang , S. H. Song , Khaled B. Letaief

The inclusion of symmetries as an inductive bias, known as equivariance, often improves generalization on geometric data (e.g. grids, sets, and graphs). However, equivariant architectures are usually highly constrained, designed for…

Machine Learning · Computer Science 2026-03-23 Abhinav Goel , Derek Lim , Hannah Lawrence , Stefanie Jegelka , Ningyuan Huang

Optimization theory assisted algorithms have received great attention for precoding design in multiuser multiple-input multiple-output (MU-MIMO) systems. Although the resultant optimization algorithms are able to provide excellent…

Information Theory · Computer Science 2020-06-16 Qiyu Hu , Yunlong Cai , Qingjiang Shi , Kaidi Xu , Guanding Yu , Zhi Ding

Large-scale models have exhibited remarkable capabilities across diverse domains, including automated medical services and intelligent customer support. However, as most large models are trained on single-modality corpora, enabling them to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Hao Sun , Yu Song , Jiaqing Liu , Jihong Hu , Yen-Wei Chen , Lanfen Lin

Consider the following problem: A multi-antenna base station (BS) sends multiple symbol streams to multiple single-antenna users via precoding. However, unlike conventional multiuser precoding, the transmitted signals are subjected to…

Information Theory · Computer Science 2019-10-23 Mingjie Shao , Qiang Li , Wing-Kin Ma , Anthony Man-Cho So

Although symbol-level precoding (SLP) based on constructive interference (CI) exploitation offers performance gains, its high complexity remains a bottleneck. This paper addresses this challenge with an end-to-end deep learning (DL)…

Signal Processing · Electrical Eng. & Systems 2025-10-03 Jinshuo Zhang , Yafei Wang , Xinping Yi , Wenjin Wang , Shi Jin , Symeon Chatzinotas , Björn Ottersten

Unified multimodal Large Language Models (LLMs) that can both understand and generate visual content hold immense potential. However, existing open-source models often suffer from a performance trade-off between these capabilities. We…

Driven by the unprecedented high throughput and low latency requirements in next-generation wireless networks, this paper introduces an artificial intelligence (AI) enabled framework in which unmanned aerial vehicles (UAVs) use…

Signal Processing · Electrical Eng. & Systems 2021-01-29 Zhong Yang , Mingzhe Chen , Xiao Liu , Yuanwei Liu , Yue Chen , Shuguang Cui , H. Vincent Poor

In this work, we present Multimodal Equivariant Inverse Design Network (MEIDNet), a framework that jointly learns structural information and materials properties through contrastive learning, while encoding structures via an equivariant…

Materials Science · Physics 2026-01-30 Anand Babu , Rogério Almeida Gouvêa , Pierre Vandergheynst , Gian-Marco Rignanese

Quantum neural network architectures that have little-to-no inductive biases are known to face trainability and generalization issues. Inspired by a similar problem, recent breakthroughs in machine learning address this challenge by…

Unimodular sequences with good auto/cross-correlation properties are favorable in wireless communication and radar applications. In this paper, we focus on designing these kinds of sequences. The main content is as follows: first, we…

Signal Processing · Electrical Eng. & Systems 2019-07-16 Yongchao Wang , Jiangtao Wang