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Large Language Models (LLMs) exhibit high inference latency due to their autoregressive decoding nature. While the draft head in speculative decoding mitigates this issue, its full potential remains unexplored. In this paper, we introduce…

Computation and Language · Computer Science 2024-08-16 Kaiqi Zhang , Jing Zhao , Rui Chen

Entity alignment (EA) aims to find equivalent entities between two Knowledge Graphs. Existing embedding-based EA methods usually encode entities as embeddings, triples as embeddings' constraint and learn to align the embeddings. However,…

Computation and Language · Computer Science 2024-11-28 Chuanhao Xu , Jingwei Cheng , Fu Zhang

This paper addresses the mobility problem in extremely large antenna array (ELAA) communication systems. In order to account for the performance loss caused by the spherical wavefront of ELAA in the mobility scenario, we propose a wavefront…

Information Theory · Computer Science 2024-07-23 Weidong Li , Haifan Yin , Ziao Qin , Merouane Debbah

Finetuned LLMs often exhibit poor uncertainty quantification, manifesting as overconfidence, poor calibration, and unreliable prediction results on test data or out-of-distribution samples. One approach commonly used in vision for…

Machine Learning · Computer Science 2023-10-06 Xi Wang , Laurence Aitchison , Maja Rudolph

The beamforming performance of the uniform circular array (UCA) in near-field wideband communication systems is investigated. Compared to uniform linear array (ULA), UCA exhibits uniform effective array aperture in all directions, thus…

Information Theory · Computer Science 2024-04-04 Yunhui Guo , Yang Zhang , Zhaolin Wang , Yuanwei Liu

Democratization of AI is an important topic within the broader topic of the digital divide. This issue is relevant to LLMs, which are becoming popular as AI co-pilots but suffer from a lack of accessibility due to high computational demand.…

Software Engineering · Computer Science 2024-10-22 Enkhbold Nyamsuren

This paper investigates beam training techniques for near-field (NF) extremely large-scale antenna arrays (ELAAs). Existing NF beam training methods predominantly rely on beam focusing, where the base station (BS) transmits highly spatially…

Information Theory · Computer Science 2025-09-22 Ran Li , Ziyi Xu , Ying-Jun Angela Zhang

The natural integration of extremely large antenna arrays (ELAAs) and terahertz (THz) communications can potentially achieve Tbps data rates in 6G networks. However, due to the extremely large array aperture and wide bandwidth, a new…

Information Theory · Computer Science 2024-06-04 Mingyao Cui , Linglong Dai

The growing demand for on-device large language model (LLM) inference highlights the need for efficient mobile edge computing (MEC) solutions, especially in resource-constrained settings. Speculative decoding offers a promising solution by…

Machine Learning · Computer Science 2025-12-01 Jungyeon Koh , Hyun Jong Yang

Fine-tuning is the primary methodology for tailoring pre-trained large language models to specific tasks. As the model's scale and the diversity of tasks expand, parameter-efficient fine-tuning methods are of paramount importance. One of…

Machine Learning · Computer Science 2024-01-10 Wenhan Xia , Chengwei Qin , Elad Hazan

Coded caching is an effective technique to decongest the amount of traffic in the backhaul link. In such a scheme, each file hosted in the server is divided into a number of packets to pursue a low transmission rate based on the delicate…

Information Theory · Computer Science 2022-07-21 Xianzhang Wu , Minquan Cheng , Li Chen , Congduan Li , Zifan Shi

Entity alignment (EA) aims to merge two knowledge graphs (KGs) by identifying equivalent entity pairs. While existing methods heavily rely on human-generated labels, it is prohibitively expensive to incorporate cross-domain experts for…

Computation and Language · Computer Science 2025-02-11 Shengyuan Chen , Qinggang Zhang , Junnan Dong , Wen Hua , Qing Li , Xiao Huang

The distributed upper 6 GHz (U6G) extra-large scale antenna array (ELAA) is a key enabler for future wireless communication systems, offering higher throughput and wider coverage, similar to existing ELAA systems, while effectively…

Signal Processing · Electrical Eng. & Systems 2025-04-30 Jiachen Tian , Zhengtao Jin , Xiayang Chen , Yu Han , Shi Jin , Wenjin Wang , Chao-Kai Wen

Low-rank adaptation (LoRA) and its variants are widely employed in fine-tuning large models, including large language models for natural language processing and diffusion models for computer vision. This paper proposes a generalized…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Xiangyu Chen , Jing Liu , Ye Wang , Pu Perry Wang , Matthew Brand , Guanghui Wang , Toshiaki Koike-Akino

In wireless networks, coded caching is an effective technique to reduce network congestion during peak traffic times. Recently, a new concept called placement delivery array (PDA) was proposed to characterize the coded caching scheme. So…

Information Theory · Computer Science 2017-01-10 Minquan Cheng , Jing Jiang , Qifa Yan , Xiaohu Tang , Haitao Cao

In this work, we study codebook designs for full-dimension multiple-input multiple-output (FD-MIMO) systems with a multi-panel array (MPA). We propose novel codebooks which allow precise beam structures for MPA FD-MIMO systems by…

Information Theory · Computer Science 2022-08-10 Zhilin Fu , Sangwon Hwang , Jihwan Moon , Haibao Ren , Inkyu Lee

Engineering composite materials and devices with desired topological properties is accelerating the development of topological physics and its applications. Approaches of realizing novel topological hybrids, including in-situ epitaxy…

Mesoscale and Nanoscale Physics · Physics 2020-10-06 G. -Y. Huang , B. Li , X. -F. Yi , J. -B. Fu , X. Fu , X. -G. Qiang , P. Xu , J. -J. Wu , C. -L. Yu , P. Kotetes , M. -T. Deng

The deployment of extremely large-scale array (ELAA) brings higher spectral efficiency and spatial degree of freedom, but triggers issues on near-field channel estimation. Existing near-field channel estimation schemes primarily exploit…

Signal Processing · Electrical Eng. & Systems 2025-09-19 Zhiming Zhu , Shu Xu , Jiexin Zhang , Chunguo Li , Yongming Huang , Luxi Yang

Speculative decoding accelerates LLM inference but suffers from performance degradation when target models are fine-tuned for specific domains. A naive solution is to retrain draft models for every target model, which is costly and…

Machine Learning · Computer Science 2026-03-11 Luxi Lin , Zhihang Lin , Zhanpeng Zeng , Yuhao Chen , Qingyu Zhang , Jixiang Luo , Xuelong Li , Rongrong Ji

Weight quantization effectively reduces memory consumption and enable the deployment of Large Language Models on edge devices, yet existing hardware-friendly methods often rely on uniform quantization, which suffers from poor…

Machine Learning · Computer Science 2026-02-03 Xin Nie , Liang Dong , Haicheng Zhang , Jiawang Xiao , G. Sun
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