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Related papers: On the Error Rate of the LoRa Modulation with Inte…

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This paper studies a specific low-power wireless technology capable of reaching a long range, namely LoRa. Such a technology can be used by different applications in cities involving many transmitting devices while requiring loose…

Signal Processing · Electrical Eng. & Systems 2018-03-07 Mauricio C. Tomé , Pedro H. J. Nardelli , Hirley Alves

Low-rank adaptations (LoRA) are widely used to fine-tune large models across various domains for specific downstream tasks. While task-specific LoRAs are often available, concerns about data privacy and intellectual property can restrict…

Machine Learning · Computer Science 2025-04-16 Hongxu Chen , Runshi Li , Bowei Zhu , Zhen Wang , Long Chen

The rate maximization for the $K$-user interference channels (ICs) has been investigated extensively in the literature. However, the dual problem of minimizing the error probability with given signal modulations and/or data rates of the…

Information Theory · Computer Science 2014-05-30 Hieu Duy Nguyen , Rui Zhang , Sumei Sun

Fine-tuning large-scale pretrained models is prohibitively expensive in terms of computational and memory costs. LoRA, as one of the most popular Parameter-Efficient Fine-Tuning (PEFT) methods, offers a cost-effective alternative by…

Machine Learning · Computer Science 2024-07-17 Shaowen Wang , Linxi Yu , Jian Li

Based on closed-form interference alignment (IA) solutions, a low overhead distributed interference alignment (LOIA) scheme is proposed in this paper for the $K$-user SISO interference channel, and extension to multiple antenna scenario is…

Information Theory · Computer Science 2011-06-29 Yanjun Ma , Jiandong Li , Rui Chen

Intentional and unintentional interferences are an increasing threat for the satellite communications industry. In this paper, we aim to localize an interference with unknown location using frequency of arrival (FoA) technique by only…

Information Theory · Computer Science 2016-08-02 Ashkan Kalantari , Sina Maleki , Symeon Chatzinotas , Björn Ottersten

LoRa is a popular low-power wide-area network (LPWAN) technology that uses spread-spectrum to achieve long-range connectivity and resilience to noise and interference. For energy efficiency reasons, LoRa adopts a pure ALOHA access scheme,…

Signal Processing · Electrical Eng. & Systems 2020-12-16 Mathieu Xhonneux , Joachim Tapparel , Orion Afisiadis , Alexios Balatsoukas-Stimming , Andreas Burg

Despite rapid advances in speech recognition, current models remain brittle to superficial perturbations to their inputs. Small amounts of noise can destroy the performance of an otherwise state-of-the-art model. To harden models against…

Audio and Speech Processing · Electrical Eng. & Systems 2018-07-19 Davis Liang , Zhiheng Huang , Zachary C. Lipton

This paper demonstrates the use of machine learning to detect the presence of intermodulation interference across several wireless carriers. We show a salient characteristic of intermodulation interference and propose a machine learning…

Networking and Internet Architecture · Computer Science 2024-08-27 Faris B. Mismar

Low-rank adaptation (LoRA) is a natural method for finetuning in communication-constrained machine learning settings such as cross-device federated learning. Prior work that has studied LoRA in the context of federated learning has focused…

Machine Learning · Computer Science 2024-06-11 Kevin Kuo , Arian Raje , Kousik Rajesh , Virginia Smith

This paper considers a distributed detection setup where agents in a network want to detect a time-varying signal embedded in temporally correlated noise. The signal of interest is the impulse response of an ARMA (auto-regressive moving…

Signal Processing · Electrical Eng. & Systems 2023-04-17 João Domingos , João Xavier

Low-Rank Adaptation (LoRA) has become the standard for fine-tuning large pre-trained models at reduced computational cost. However, its low-rank point-estimate updates limit expressiveness, leave a persistent gap relative to full…

Machine Learning · Computer Science 2026-05-12 Dario Coscia , Sindy Löwe , Max Welling

This letter proposes a novel anti-interference communication method leveraging computational antennas, utilizing time averaging and 1-bit reconfigurable intelligent surfaces (RIS) to achieve robust signal modulation with minimal hardware…

Computational Physics · Physics 2025-10-20 Xiaocun Zong , Fan Yang , Shenheng Xu , Maokun Li

Within the LPWAN framework, the LoRa modulation adopted by LoRaWAN technology has garnered significant interest as a connectivity solution for IoT applications due to its ability to offer low-cost, low-power, and long-range communications.…

Signal Processing · Electrical Eng. & Systems 2025-06-27 Jamil Farhat , Gianni Pasolini , Enrico Paolini , Muhammad Asad Ullah , Richard Demo Souza

We study medium access in FMCW radar networks. We assume that all the radars use same parameters, e.g., chirp duration, chirp slope, cutoff frequency, number of chirps per packet, etc, and propose and analyze slotted ALOHA and CSMA…

Systems and Control · Electrical Eng. & Systems 2022-01-26 Haritha K , Vineeth Bala Sukumaran , Chandramani Singh

Irregular repetition slotted aloha (IRSA) is a massive random access protocol in which users transmit several replicas of their packet over a frame to a base station. Existing studies have analyzed IRSA in the single-cell (SC) setup, which…

Signal Processing · Electrical Eng. & Systems 2023-02-22 Chirag Ramesh Srivatsa , Chandra R. Murthy

ALOHA-type protocols became a popular solution for distributed and uncoordinated multiple random access in wireless networks. However, such distributed operation of the Medium Access Control (MAC) layer leads to sub-optimal utilization of…

Information Theory · Computer Science 2016-06-08 G. Interdonato , S. Pfletschinger , F. Vazquez-Gallego , J. Alonso-Zarate , G. Araniti

Visible light communication (VLC) has the potential to supplement the growing demand for wireless connectivity. In order to realise the full potential of VLC, channel models are required Discrete channel models based on semi-hidden Markov…

Signal Processing · Electrical Eng. & Systems 2019-02-20 Daniel G. Holmes , Ling Cheng , Mulundumina Shimaponda-Nawa , Ayokunle D. Familua , Adnan M. Abu-Mahfouz

Spectral efficiency for asynchronous code division multiple access (CDMA) with random spreading is calculated in the large system limit allowing for arbitrary chip waveforms and frequency-flat fading. Signal to interference and noise ratios…

Information Theory · Computer Science 2010-07-13 Laura Cottatellucci , Ralf R. Mueller , Merouane Debbah

The low-rank adaptation (LoRA) algorithm for fine-tuning large models has grown popular in recent years due to its remarkable performance and low computational requirements. LoRA trains two ``adapter" matrices that form a low-rank…

Machine Learning · Computer Science 2026-05-12 Siqiao Mu , Diego Klabjan
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