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Asynchronous random access (RA) protocols are particularly attractive for their simplicity and avoidance of tight synchronization requirements. Recent enhancements have shown that the use of successive interference cancellation (SIC) can…

信息论 · 计算机科学 2016-07-22 Federico Clazzer , Francisco Lazaro , Gianluigi Liva , Mario Marchese

Purpose: Magnetic resonance fingerprinting (MRF) methods typically rely on dictio-nary matching to map the temporal MRF signals to quantitative tissue parameters. Such approaches suffer from inherent discretization errors, as well as high…

图像与视频处理 · 电气工程与系统科学 2021-03-11 Pingfan Song , Yonina C. Eldar , Gal Mazor , Miguel Rodrigues

Many current traffic monitoring systems employ deep packet inspection (DPI) in order to analyze network traffic. These systems include intrusion detection systems, software for network traffic accounting, traffic classification, or systems…

网络与互联网体系结构 · 计算机科学 2016-04-11 Lothar Braun , Cornelius Diekmann , Nils Kammenhuber , Georg Carle

In this paper, we design the joint decoding (JD) of non-orthogonal multiple access (NOMA) systems employing short block length codes. We first proposed a low-complexity soft-output ordered-statistics decoding (LC-SOSD) based on a decoding…

LoRa is one of the most widely used low-power wide-area network technology for the Internet of Things. To achieve long-range communication with low power consumption at a low cost, LoRa uses a chirp spread spectrum modulation and transmits…

信号处理 · 电气工程与系统科学 2026-04-10 Joachim Tapparel , Andreas Burg

On-device adaptation of large language models commonly keeps a quantized base model frozen while training and deploying a small, task-specific LoRA adapter. In the unmerged adapter-mode setting, however, the adapter is more than a compact…

机器学习 · 计算机科学 2026-05-26 Yoshihiko Fujisawa , Yuma Ichikawa , Yudai Fujimoto , Akira Sakai , Katsuki Fujisawa

LoRa technology has garnered significant interest in the Information and Communications Technology (ICT) field in recent years due to its ability to operate at low power while maintaining effective communication. Despite gaining attention,…

网络与互联网体系结构 · 计算机科学 2024-12-09 Atit Pokharel , Pratik Sapkota , Dilip Sapkota , Shashank Dahal , Sulav Karki , Ram Kaji Budhathoki

With more open-source models available for diverse tasks, model merging has gained attention by combining models into one, reducing training, storage, and inference costs. Current research mainly focuses on model merging for full…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Shenghe Zheng , Hongzhi Wang , Chenyu Huang , Xiaohui Wang , Tao Chen , Jiayuan Fan , Shuyue Hu , Peng Ye

The rapid advancement of Low-Power Wide Area Networks (LPWANs), particularly Long Range (LoRa) systems, has positioned them as a cornerstone for Next-Generation Internet of Things (NG-IoT) applications within 5G/6G ecosystems. Despite their…

网络与互联网体系结构 · 计算机科学 2026-04-21 Abdullahi Isa Ahmed , Jamal Bentahar , El Mehdi Amhoud

Recent advances in large language models are driven by scale, while parameter-efficient fine-tuning (PEFT) enables updating only a small fraction of parameters. Low-Rank Adaptation (LoRA) stores parameter deltas as the product of two small…

机器学习 · 计算机科学 2025-08-19 Zhanhao Cao , Clement Truong , Andrew Lizarraga

We proposed a novel dense line spectrum super-resolution algorithm, the DMRA, that leverages dynamical multi-resolution of atoms technique to address the limitation of traditional compressed sensing methods when handling dense point-source…

信号处理 · 电气工程与系统科学 2024-09-04 Mingguang Han , Yi Zeng , Xiaoguang Li , Tiejun Li

Low-Rank Adaptation (LoRA) is a popular technique for efficient fine-tuning of foundation models. However, applying LoRA in federated learning environments, where data is distributed across multiple clients, presents unique challenges.…

分布式、并行与集群计算 · 计算机科学 2025-07-01 Raghav Singhal , Kaustubh Ponkshe , Praneeth Vepakomma

Merging multiple Low-Rank Adaptation (LoRA) experts into a single backbone is a promising approach for efficient multi-task deployment. While existing methods strive to alleviate interference via weight interpolation or subspace alignment,…

人工智能 · 计算机科学 2026-04-21 Anda Cao , Zhuo Gou , Yi Wang , Kaixuan Chen , Yu Wang , Can Wang , Mingli Song , Jie Song

Fine-tuning large-scale pre-trained models is prohibitively expensive in terms of computation and memory costs. Low-Rank Adaptation (LoRA), a popular Parameter-Efficient Fine-Tuning (PEFT) method, offers an efficient solution by optimizing…

机器学习 · 计算机科学 2025-05-27 Tao Li , Zhengbao He , Yujun Li , Yasheng Wang , Lifeng Shang , Xiaolin Huang

We propose regularized approximate message passing (RAMP), a low-complexity algorithm for discrete signal detection in overloaded multiple-input multiple-output (MIMO) systems where the number of transmit antennas exceeds the number of…

The "pretrain-then-finetune" paradigm is commonly adopted in the deployment of large language models. Low-Rank Adaptation (LoRA), a parameter-efficient fine-tuning method, is often employed to adapt a base model to a multitude of tasks,…

Orthogonal Frequency Division Multiplexing (OFDM) based multi-carrier systems can support high data rate wireless transmission without the requirement of any extensive equalization and yet offer excellent immunity against fading and…

信息论 · 计算机科学 2013-04-29 Md. Sakir Hossain , Sabbir Ahmed , Enayet Ullah , Md. Atiqul Islam

Upcoming Augmented Reality (AR) and Virtual Reality (VR) systems require high data rates ($\geq$ 500 Mbps) and low power consumption for seamless experience. With an increasing number of subscribing users, the total number of antennas…

信号处理 · 电气工程与系统科学 2025-01-22 Muhammad Ahmed Mohsin , Sagnik Bhattacharya , Kamyar Rajabalifardi , Rohan Pote , John M. Cioffi

Federated fine-tuning of large language models (LLMs) with low-rank adaptation (LoRA) offers a communication-efficient and privacy-preserving solution for task-specific adaptation. Naive aggregation of LoRA modules introduces noise due to…

机器学习 · 计算机科学 2026-03-10 Peishen Yan , Yang Hua , Hao Wang , Jiaru Zhang , Xiaoyu Wu , Tao Song , Haibing Guan

Long-range (LoRa) communication technology, distinguished by its low power consumption and long communication range, is widely used in the Internet of Things. Nevertheless, the LoRa MAC layer adopts pure ALOHA for medium access control,…

多智能体系统 · 计算机科学 2024-07-19 Ziqi Lin , Xu Zhang , Shimin Gong , Lanhua Li , Zhou Su , Bo Gu