中文
相关论文

相关论文: Scalable Cross-Attention Transformer for Cooperati…

200 篇论文

This paper addresses joint target acquisition and position estimation in an OFDM-based integrated sensing and communication (ISAC) network with base station (BS) cooperation via a fusion center. A two-stage framework is proposed: in the…

信号处理 · 电气工程与系统科学 2025-07-10 Lorenzo Pucci , Andrea Giorgetti

We consider performance enhancement of asymmetrically-clipped optical orthogonal frequency division multiplexing (ACO-OFDM) and related optical OFDM schemes, which are variations of OFDM in intensity-modulated optical wireless…

信息论 · 计算机科学 2022-05-05 Xiaozhen Liu , Jing Zhou , Nuo Huang , Wenyi Zhang

We propose Beat Transformer, a novel Transformer encoder architecture for joint beat and downbeat tracking. Different from previous models that track beats solely based on the spectrogram of an audio mixture, our model deals with demixed…

声音 · 计算机科学 2022-09-16 Jingwei Zhao , Gus Xia , Ye Wang

We study joint downlink-uplink beamforming design for wireless federated learning (FL) with a multi-antenna base station. Considering analog transmission over noisy channels and uplink over-the-air aggregation, we derive the global model…

信息论 · 计算机科学 2023-07-04 Chong Zhang , Min Dong , Ben Liang , Ali Afana , Yahia Ahmed

Transformers, known for their attention mechanisms, have proven highly effective in focusing on critical elements within complex data. This feature can effectively be used to address the time-varying channels in wireless communication…

机器学习 · 计算机科学 2024-12-03 Matin Mortaheb , Mohammad A. Amir Khojastepour , Sennur Ulukus

Accurate and efficient estimation of Channel State Information (CSI) is critical for next-generation wireless systems operating under non-stationary conditions, where user mobility, Doppler spread, and multipath dynamics rapidly alter…

分布式、并行与集群计算 · 计算机科学 2025-11-04 Muhammad Ahmed Mohsin , Muhammad Umer , Ahsan Bilal , Hassan Rizwan , Sagnik Bhattacharya , Muhammad Ali Jamshed , John M. Cioffi

We propose an attention-based approach for multimodal image patch matching using a Transformer encoder attending to the feature maps of a multiscale Siamese CNN. Our encoder is shown to efficiently aggregate multiscale image embeddings…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Aviad Moreshet , Yosi Keller

State-of-the-art results on neural machine translation often use attentional sequence-to-sequence models with some form of convolution or recursion. Vaswani et al. (2017) propose a new architecture that avoids recurrence and convolution…

人工智能 · 计算机科学 2017-11-08 Karim Ahmed , Nitish Shirish Keskar , Richard Socher

Classical antenna selection schemes require instantaneous channel state information (CSI). This leads to high signaling overhead in the system. This work proposes a novel joint receive antenna selection and precoding scheme for multiuser…

信号处理 · 电气工程与系统科学 2022-12-29 Chongjun Ouyang , Ali Bereyhi , Saba Asaad , Ralf R. Müller , Hongwen Yang

With parallelizable attention networks, the neural Transformer is very fast to train. However, due to the auto-regressive architecture and self-attention in the decoder, the decoding procedure becomes slow. To alleviate this issue, we…

计算与语言 · 计算机科学 2018-05-08 Biao Zhang , Deyi Xiong , Jinsong Su

Personality computing and affective computing have gained recent interest in many research areas. The datasets for the task generally have multiple modalities like video, audio, language and bio-signals. In this paper, we propose a flexible…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Tanay Agrawal , Dhruv Agarwal , Michal Balazia , Neelabh Sinha , Francois Bremond

We consider the design of two-pass voice trigger detection systems. We focus on the networks in the second pass that are used to re-score candidate segments obtained from the first-pass. Our baseline is an acoustic model(AM), with BiLSTM…

音频与语音处理 · 电气工程与系统科学 2020-08-07 Saurabh Adya , Vineet Garg , Siddharth Sigtia , Pramod Simha , Chandra Dhir

Semantic Communication (SemCom) has emerged as a promising paradigm for 6G networks, aiming to extract and transmit task-relevant information rather than minimizing bit errors. However, applying SemCom to realistic downlink Multi-User…

机器学习 · 计算机科学 2026-02-17 Chongyang Li , Tianqian Zhang , Shouyin Liu

We present an adaptive approach for synchronizing both the phase and frequency of radio-frequency transceivers over long-range wireless links to support distributed antenna array applications. To enable distributed beamforming between…

信号处理 · 电气工程与系统科学 2020-09-14 Serge R. Mghabghab , Anton Schlegel , Jeffrey A. Nanzer

We consider a multihop distributed uplink reception system in which $K$ users transmit independent messages to one data center of $N_{\rm r} \geq K$ receive antennas, with the aid of multihop intermediate relays. In particular, each antenna…

信息论 · 计算机科学 2018-12-11 Seonho Kim , Song-Nam Hong

Perception-centric systems are typically implemented with a modular encoder-decoder pipeline: a vision backbone for feature extraction and a separate decoder (or late-fusion module) for task prediction. This raises a central question: is…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Aviraj Bevli , Sofian Chaybouti , Yasser Dahou , Hakim Hacid , Ngoc Dung Huynh , Phuc H. Le Khac , Sanath Narayan , Wamiq Reyaz Para , Ankit Singh

Perceptive mobile network (PMN) is a recently proposed next-generation network that integrates radar sensing into communication. One major challenge for realizing sensing in PMNs is how to deal with spatially-separated asynchronous…

信号处理 · 电气工程与系统科学 2020-11-19 Zhitong Ni , J. Andrew Zhang , Xiaojing Huang , Kai Yang , Jinhong Yuan

Domain Adaptation (DA) aims to leverage the knowledge learned from a source domain with ample labeled data to a target domain with unlabeled data only. Most existing studies on DA contribute to learning domain-invariant feature…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Xiyu Wang , Pengxin Guo , Yu Zhang

Transformers have recently shown superior performances on various vision tasks. The large, sometimes even global, receptive field endows Transformer models with higher representation power over their CNN counterparts. Nevertheless, simply…

计算机视觉与模式识别 · 计算机科学 2022-05-25 Zhuofan Xia , Xuran Pan , Shiji Song , Li Erran Li , Gao Huang

Reflecting Surfaces (RSs) are being lately envisioned as an energy efficient solution capable of enhancing the signal coverage in cases where obstacles block the direct communication from Base Stations (BSs), especially at high frequency…

信号处理 · 电气工程与系统科学 2025-11-04 Kun Chen-Hu , George C. Alexandropoulos , Ana García Armada