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In time-varying fading channels, channel coefficients are estimated using pilot symbols that are transmitted every coherence interval. For channels with high Doppler spread, the rapid channel variations over time will require considerable…

信息论 · 计算机科学 2022-03-24 Sandesh Rao Mattu , Lakshmi Narasimhan T , A. Chockalingam

The forthcoming 6G and beyond wireless networks are anticipated to introduce new groundbreaking applications, such as Integrated Sensing and Communications (ISAC), potentially leveraging much wider bandwidths at higher frequencies and using…

信号处理 · 电气工程与系统科学 2024-08-20 Nithin Babu , Alva Kosasih , Christos Masouros , Emil Björnson

The rapid advancement of large language models (LLMs) has accelerated the emergence of in-context learning (ICL) as a cutting-edge approach in the natural language processing domain. Recently, ICL has been employed in visual understanding…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Dianmo Sheng , Dongdong Chen , Zhentao Tan , Qiankun Liu , Qi Chu , Jianmin Bao , Tao Gong , Bin Liu , Shengwei Xu , Nenghai Yu

Sixth generation (6G) wireless technology is anticipated to introduce Integrated Sensing and Communication (ISAC) as a transformative paradigm. ISAC unifies wireless communication and RADAR or other forms of sensing to optimize spectral and…

信号处理 · 电气工程与系统科学 2025-03-13 Mohammad Farzanullah , Han Zhang , Akram Bin Sediq , Ali Afana , Melike Erol-Kantarci

There has been significant recent interest in understanding the capacity of Transformers for in-context learning (ICL), yet most theory focuses on supervised settings with explicitly labeled pairs. In practice, Transformers often perform…

机器学习 · 计算机科学 2026-02-02 Jiashuo Fan , Paul Rosu , Aaron T. Wang , Zeyu Michael Li , Lawrence Carin , Xiang Cheng

Accurate channel state information (CSI) acquisition is essential for modern wireless systems, which becomes increasingly difficult under large antenna arrays, strict pilot overhead constraints, and diverse deployment environments. Existing…

信息论 · 计算机科学 2026-03-17 Xingyu Zhou , Le Liang , Hao Ye , Jing Zhang , Chao-Kai Wen , Shi Jin

In-context learning (ICL) enables large language models to adapt to new tasks from demonstrations without parameter updates. Despite extensive empirical studies, a principled understanding of ICL emergence at scale remains more elusive. We…

机器学习 · 计算机科学 2025-11-11 Sushant Mehta , Ishan Gupta

In-context learning (ICL) has become one of the most popular learning paradigms. While there is a growing body of literature focusing on prompt engineering, there is a lack of systematic analysis comparing the effects of prompts across…

计算与语言 · 计算机科学 2024-06-24 Sheng Lu , Hendrik Schuff , Iryna Gurevych

Transformer-based multimodal large language models often exhibit in-context learning (ICL) abilities. Motivated by this phenomenon, we ask: how do transformers learn to associate information across modalities from in-context examples? We…

计算与语言 · 计算机科学 2026-05-27 Yiran Huang , Karsten Roth , Quentin Bouniot , Wenjia Xu , Zeynep Akata

In-context learning (ICL) derives its power from enabling Large Language Models to adapt to new tasks via prompt-based reasoning alone, entirely bypassing the need for parameter updates. Existing theories primarily study ICL in single-task…

机器学习 · 计算机科学 2026-05-28 Guangyu Li , Meng Ding , Lijie Hu

The deployment of a growing number of devices in Internet of Things (IoT) networks implies that uninterrupted and seamless adaptation of wireless communication parameters (e.g., carrier frequency, bandwidth and modulation) will become…

系统与控制 · 电气工程与系统科学 2024-07-03 Diptashree Das , Mohammad Abdi , Minghan Liu , Marvin Onabajo , Francesco Restuccia

Modern deep learning models for change detection (CD) often struggle to explicitly represent task-relevant semantic differences. This paper proposes the Latent Difference Guidance (LDGuid) framework that explicitly learns and injects…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Jiaxuan Zhao , Ali Bereyhi

In this paper, we study the multicast completion and decoding delay minimization problems of instantly decodable network coding (IDNC) in the case of lossy feedback. In such environments, the sender falls into uncertainties about packet…

网络与互联网体系结构 · 计算机科学 2013-07-16 Sameh Sorour , Ahmed Douik , Shahrokh Valaee , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Large pretrained language models have shown surprising in-context learning (ICL) ability. With a few demonstration input-label pairs, they can predict the label for an unseen input without parameter updates. Despite the great success in…

计算与语言 · 计算机科学 2023-05-16 Damai Dai , Yutao Sun , Li Dong , Yaru Hao , Shuming Ma , Zhifang Sui , Furu Wei

This paper presents a performance analysis framework for linear detection in fast-fading channels with possibly correlated channel and noise. The framework is both accurate and adaptable, making it well-suited for analyzing a wide range of…

信号处理 · 电气工程与系统科学 2025-07-09 Almutasem Bellah Enad , Jihad Fahs , Hadi Sarieddeen , Hakim Jemaa , Tareq Y. Al-Naffouri

The limited over-the-air (OTA) pilot symbols in multiple-input-multiple-output orthogonal-frequency-division-multiplexing (MIMO-OFDM) systems presents a major challenge for detecting transmitted data symbols at the receiver, especially for…

信号处理 · 电气工程与系统科学 2023-10-10 Jiarui Xu , Lianjun Li , Lizhong Zheng , Lingjia Liu

We propose a framework to design integrated communication and computing (ICC) receivers capable of simultaneously detecting data symbols and performing over-the-air computing (AirComp) in a manner that: a) is systematically generalizable to…

In this paper, we propose a deep learning-based signal detector called TransD3D-IM, which employs the Transformer framework for signal detection in the Dual-mode index modulation-aided three-dimensional (3D) orthogonal frequency division…

信号处理 · 电气工程与系统科学 2023-09-12 Toan Gian , Tien-Hoa Nguyen , Trung Tan Nguyen , Van-Cuong Pham , Thien Van Luong

Recent studies show that Transformer has strong capability of building long-range dependencies, yet is incompetent in capturing high frequencies that predominantly convey local information. To tackle this issue, we present a novel and…

计算机视觉与模式识别 · 计算机科学 2022-05-27 Chenyang Si , Weihao Yu , Pan Zhou , Yichen Zhou , Xinchao Wang , Shuicheng Yan

One of the most critical challenges for deploying distributed learning solutions, such as federated learning (FL), in wireless networks is the limited battery capacity of mobile clients. While it is a common belief that the major energy…

信息论 · 计算机科学 2024-10-23 Linping Qu , Yuyi Mao , Shenghui Song , Chi-Ying Tsui