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As Large Language Models (LLMs) continue to grow in size, storing and transmitting them on edge devices becomes increasingly challenging. Traditional methods like quantization and pruning struggle to achieve extreme compression of LLMs…

机器学习 · 计算机科学 2025-11-25 Ye Tian , Chengcheng Wang , Jing Han , Yehui Tang , Kai Han

This work extends the Multiscale Sparse Representation (MSR) framework developed for static Point Cloud Geometry Compression (PCGC) to support the dynamic PCGC through the use of multiscale inter conditional coding. To this end, the…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Jianqiang Wang , Dandan Ding , Hao Chen , Zhan Ma

The minimum weight perfect matching (MWPM) decoder is the standard decoding strategy for quantum surface codes. However, it suffers a harsh decrease in performance when subjected to biased or non-identical quantum noise. In this work, we…

This paper presents several methods for minimizing packet service time in networks using 5G and beyond. We propose leveraging network coding alongside Hybrid Automatic Repeat reQuest (HARQ) to reduce service time as well as optimizing…

网络与互联网体系结构 · 计算机科学 2024-09-05 Laura Landon , Vipindev Adat Vasudevan , Jaeweon Kim , Junmo Sung , Jeffery Tony Masters , Muriel Médard

Visible light communication (VLC) could provide short-range optical wireless communication together with illumination using LED lighting. However, conventional forward error correction (FEC) codes for reliable communication do not have the…

信息论 · 计算机科学 2018-10-18 Junbin Fang , Zhen Che , Xiaolong Yu , Zhe Chen , Zoe L. Jiang , Siu-Ming Yiu , Kui Ren , Xiaoqing Tan

Conventional wireless techniques are becoming inadequate for beyond fifth-generation (5G) networks due to latency and bandwidth considerations. To improve the error performance and throughput of wireless communication systems, we propose…

网络与互联网体系结构 · 计算机科学 2021-03-23 Amanat Kafizov , Ahmed Elzanaty , Lav R. Varshney , Mohamed-Slim Alouini

This paper presents a novel semantic-enhanced decoding scheme for transmitting natural language sentences with multiple short block codes over noisy wireless channels. After ASCII source coding, the natural language sentence message is…

信号处理 · 电气工程与系统科学 2025-05-15 Jiafu Hao , Chentao Yue , Hao Chang , Branka Vucetic , Yonghui Li

The IEEE 802.16 technology (WiMAX) is a promising technology for providing last-mile connectivity by radio link due to its high speed data rates, low cost of deployment, and large coverage area. However, the maximum number of channels…

网络与互联网体系结构 · 计算机科学 2010-05-28 Iwan Adhicandra

In this paper, we analyze the tradeoff between coding rate and asymptotic performance of a class of generalized low-density parity-check (GLDPC) codes constructed by including a certain fraction of generalized constraint (GC) nodes in the…

信息论 · 计算机科学 2019-10-16 Yanfang Liu , Pablo M. Olmos , Tobias Koch

This paper presents a video coding scheme that combines traditional optimization methods with deep learning methods based on the Enhanced Compression Model (ECM). In this paper, the traditional optimization methods adaptively adjust the…

图像与视频处理 · 电气工程与系统科学 2024-01-09 Zhengang Li , Jingchi Zhang , Yonghua Wang , Xing Zeng , Zhen Zhang , Yunlin Long , Menghu Jia , Ning Wang

A present challenge in wireless communications is the assurance of ultra-reliable and low-latency communication (URLLC). While the reliability aspect is well known to be improved by channel coding with long codewords, this usually implies…

信息论 · 计算机科学 2023-03-15 Sahar Allahkaram , Francisco A. Monteiro , Ioannis Chatzigeorgiou

This paper proposes a method for designing error correction codes by combining a known coding scheme with an autoencoder. Specifically, we integrate an LDPC code with a trained autoencoder to develop an error correction code for intractable…

信息论 · 计算机科学 2020-03-03 Eren Balevi , Jeffrey G. Andrews

As terrestrial resources become increasingly saturated, the research attention is shifting to the low-altitude airspace, with many emerging applications such as urban air taxis and aerial inspection. Low-Altitude Wireless Networks (LAWNs)…

密码学与安全 · 计算机科学 2025-11-04 Jiacheng Wang , Changyuan Zhao , Jialing He , Geng Sun , Weijie Yuan , Dusit Niyato , Liehuang Zhu , Tao Xiang

We propose a method for lossy image compression based on recurrent, convolutional neural networks that outperforms BPG (4:2:0 ), WebP, JPEG2000, and JPEG as measured by MS-SSIM. We introduce three improvements over previous research that…

计算机视觉与模式识别 · 计算机科学 2017-03-30 Nick Johnston , Damien Vincent , David Minnen , Michele Covell , Saurabh Singh , Troy Chinen , Sung Jin Hwang , Joel Shor , George Toderici

We propose a method to compress full-resolution video sequences with implicit neural representations. Each frame is represented as a neural network that maps coordinate positions to pixel values. We use a separate implicit network to…

机器学习 · 计算机科学 2021-12-22 Yunfan Zhang , Ties van Rozendaal , Johann Brehmer , Markus Nagel , Taco Cohen

Pruning is a widely used technique to reduce the size and inference cost of large language models (LLMs), but it often causes performance degradation. To mitigate this, existing restoration methods typically employ parameter-efficient…

机器学习 · 计算机科学 2025-10-28 Zijian Feng , Hanzhang Zhou , Zixiao Zhu , Tianjiao Li , Jia Jim Deryl Chua , Lee Onn Mak , Gee Wah Ng , Kezhi Mao

We present a method for post-processing point clouds' geometric information by applying a previously proposed fractional super-resolution technique to clouds compressed and decoded with MPEG's G-PCC codec. In some sense, this is a…

图像与视频处理 · 电气工程与系统科学 2022-08-11 Renan U. B. Ferreira , Tomas M. Borges , Diogo C. Garcia , Ricardo L. de Queiroz

Speech compression is commonly used to send voice over radio channels in applications such as mobile telephony and two-way push-to-talk (PTT) radio. In classical systems, the speech codec is combined with forward error correction,…

音频与语音处理 · 电气工程与系统科学 2025-07-29 David Rowe , Jean-Marc Valin

This paper proposes a delayed subband LSTM network for online monaural (single-channel) speech enhancement. The proposed method is developed in the short time Fourier transform (STFT) domain. Online processing requires frame-by-frame signal…

声音 · 计算机科学 2023-12-13 Xiaofei Li , Radu Horaud

The uplink of a cloud radio access network architecture is studied in which decoding at the cloud takes place via network function virtualization on commercial off-the-shelf servers. In order to mitigate the impact of straggling decoders in…

信息论 · 计算机科学 2018-08-29 Malihe Aliasgari , Jörg Kliewer , Osvaldo Simeone