English
Related papers

Related papers: A New Frequency-Bin-Index LoRa System for High-Dat…

200 papers

This paper proposes a lightweight distributed learning method for transmission parameter selection in Long Range (LoRa) networks that can adapt to dynamic communication environments. In the proposed method, each LoRa End Device (ED) employs…

Networking and Internet Architecture · Computer Science 2026-03-03 Ryotai Ariyoshi , Aohan Li , Mikio Hasegawa , Miao Pan , Tomoaki Ohtsuki , Zhu Han

Multiband fusion enhances WiFi sensing by jointly utilizing signals from multiple non-contiguous frequency bands. However, in the multi-band WiFi sensing signal model, there are many local optimums in the associated likelihood function due…

Signal Processing · Electrical Eng. & Systems 2023-10-10 Zhixiang Hu , An Liu , Yubo Wan , Tony Xiao Han , Minjian Zhao

This paper proposes a complete IFoF system architecture derived from simplified IEEE802.15.3c PHY layer proposal to successfully ensure near 1 Gbps on the air interface. The system architecture utilizes low complexity baseband processing…

Networking and Internet Architecture · Computer Science 2010-11-10 Lahatra Rakotondrainibe , I. Siaud , Y. Kokar , G. Zaharia , F. Brunet , E. Tanguy , G. El Zein

Due to the crowded spectrum, frequency hopping (FH) techniques are now very difficult to achieve efficient antijamming and increase spectrum efficiency (SE) for wireless communications. The emerging orbital angular momentum (OAM), which is…

Signal Processing · Electrical Eng. & Systems 2024-07-18 Liping Liang , Wenchi Cheng , Wei Zhang , Hailin Zhang

Frequency-hopping (FH) joint radar-communications (JRC) can offer excellent security for integrated sensing and communication systems. However, existing JRC schemes mainly embed information using only the sub-pulse frequencies and hence the…

Signal Processing · Electrical Eng. & Systems 2022-04-27 Linh Manh Hoang , J. Andrew Zhang , Diep N. Nguyen , Dinh Thai Hoang

The Fast Fourier Transform (FFT) is a fundamental tool for signal analysis, widely used across various fields. However, traditional FFT methods encounter challenges in adjusting the frequency bin interval, which may impede accurate spectral…

Data Structures and Algorithms · Computer Science 2024-03-27 Haichao Xu

This paper proposes the orthogonal time frequency space-based code index modulation (OTFS-CIM) scheme, a novel wireless communication system that combines OTFS modulation, which enhances error performance in high-mobility Rayleigh channels,…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Burak Ahmet Ozden , Erdogan Aydin , Emir Aslandogan , Haci Ilhan , Ertugrul Basar , Miaowen Wen , Marco Di Renzo

Low-Rank Adaptation (LoRA) has become ubiquitous for efficiently fine-tuning foundation models. However, federated fine-tuning using LoRA is challenging due to suboptimal updates arising from traditional federated averaging of individual…

Machine Learning · Computer Science 2025-10-07 Raghav Singhal , Kaustubh Ponkshe , Rohit Vartak , Lav R. Varshney , Praneeth Vepakomma

LoRa is one of the promising techniques for enabling Low Power Wide Area Networks (LPWANs) for future Internet-of-Things (IoT) devices. Although LoRa allows flexible adaptations of coverage and data rates, it is subject to intrinsic types…

Networking and Internet Architecture · Computer Science 2018-03-20 Antoine Waret , Megumi Kaneko , Alexandre Guitton , Nancy El Rachkidy

We propose a novel scheme that allows MIMO system to modulate a set of permutation matrices to send more information bits, extending our initial work on the topic. This system is called Permutation Matrix Modulation (PMM). The basic idea is…

Information Theory · Computer Science 2022-12-27 Rahmat Faddli Siregar , Nandana Rajatheva , Matti Latva-Aho

Pre-trained foundation models (FMs), with extensive number of neurons, are key to advancing next-generation intelligence services, where personalizing these models requires massive amount of task-specific data and computational resources.…

Systems and Control · Electrical Eng. & Systems 2024-07-04 Zixin Wang , Yong Zhou , Yuanming Shi , Khaled. B. Letaief

Orthogonal frequency division multiplexing (OFDM) with index modulation (OFDM-IM) appears as a promising multi-carrier waveform candidate for beyond 5G due to its attractive advantages such as operational flexibility and ease of…

Information Theory · Computer Science 2020-09-11 Ali Tugberk Dogukan , Ertugrul Basar

Millimeter-wave (mmWave) using conventional phased array (CPA) enables highly directional and fixed angular beamforming (FAB), therefore enhancing physical layer security (PLS) in the angular domain. However, as the eavesdropper is located…

Information Theory · Computer Science 2019-03-26 Yuanquan Hong , Xiaojun Jing , Hui Gao , Yuan He

With the development of wireless network technologies, the wireless image transmission area has become prominent. The need for high resolution, data traffic density, widespread use of multimedia applications, and the importance of high rate…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Burak Ahmet Ozden , Erdogan Aydin , Ahmet Elbir , Filiz Gurkan

As the large language models (LLMs) grow in size each day, efficient training and fine-tuning has never been as important as nowadays. This resulted in the great interest in parameter efficient fine-tuning (PEFT), and effective methods…

Machine Learning · Computer Science 2025-11-04 Dhananjaya Gowda , Seoha Song , Junhyun Lee , Harshith Goka

This paper presents the realization of a wireless Gigabit Ethernet communication system operating in the 60 GHz band. The system architecture uses a single carrier modulation. A differential encoded binary phase shift keying modulation and…

Networking and Internet Architecture · Computer Science 2010-11-10 Lahatra Rakotondrainibe , Yvan Kokar , Gheorghe Zaharia , Ghaïs El Zein

Federated bilevel optimization (FBO) has shown great potential recently in machine learning and edge computing due to the emerging nested optimization structure in meta-learning, fine-tuning, hyperparameter tuning, etc. However, existing…

Machine Learning · Computer Science 2023-12-29 Yifan Yang , Peiyao Xiao , Kaiyi Ji

Multidimensional Index Modulations (IM) are a novel alternative to conventional modulations which can bring considerable benefits for future wireless networks. Within this scope, in this paper we present a new scheme, named as…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Vasco Velez , Joao Pedro Pavia , Nuno Souto , Pedro Sebastiao , Americo Correia

Since proposed, spiking neural networks (SNNs) gain recognition for their high performance, low power consumption and enhanced biological interpretability. However, while bringing these advantages, the binary nature of spikes also leads to…

Neural and Evolutionary Computing · Computer Science 2024-07-09 Yongjun Xiao , Xianlong Tian , Yongqi Ding , Pei He , Mengmeng Jing , Lin Zuo

A composite impulse radio ultra-wideband (IR-UWB) communication system is presented. The proposed system model aims to transmit UWB pulses over several kilometers through free-space optical (FSO) links and depending on the link design, the…

Optics · Physics 2013-03-25 Kemal Davaslioglu