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The Cloud radio access network (C-RAN) offers a revolutionary approach to cellular network deployment, management and evolution. Advances in software-defined radio (SDR) and networking technology, moreover, enable delivering…

Networking and Internet Architecture · Computer Science 2017-12-12 Marti Floriach-Pigem , Guillem Xercavins-Torregrosa , Vuk Marojevic , Antoni Gelonch-Bosch

Analog machine-learning hardware platforms promise greater speed and energy efficiency than their digital counterparts. Specifically, over-the-air analog computation allows offloading computation to the wireless propagation through…

Signal Processing · Electrical Eng. & Systems 2025-05-09 Mengbing Liu , Jiancheng An , Chongwen Huang , Chau Yuen

Ultra-reliable and low-latency communication (URLLC) is one of the three major service classes supported by the fifth generation (5G) New Radio (NR) technical specifications. In this paper, we introduce a physical layer architecture that…

Signal Processing · Electrical Eng. & Systems 2020-02-17 Zhiwen Wu , Tianpeng Yang , Haitao Liu , Geng Shi , Kan Zheng

In this paper, we propose a framework where over-the-air computation (OAC) occurs in both uplink (UL) and downlink (DL), sequentially, in a multi-cell environment to address the latency and the scalability issues of federated edge learning…

Information Theory · Computer Science 2022-02-14 Mohammad Hassan Adeli , Alphan Sahin

This paper presents a compression scheme developed for the transport of downlink radio signals in packet fronthaul of centralized-radio access networks (C-RAN). The technique is tailored to frequency-domain functional splits, in which…

Signal Processing · Electrical Eng. & Systems 2020-01-13 Cleverson Nahum , Leonardo Ramalho , Joary Fortuna , Chenguang Lu , Miguel Berg , Igor Almeida , Aldebaro Klautau

This paper proposes FAS-LLM, a novel large language model (LLM)-based architecture for predicting future channel states in Orthogonal Time Frequency Space (OTFS)-enabled satellite downlinks equipped with fluid antenna systems (FAS). The…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Halvin Yang , Sangarapillai Lambotharan , Mahsa Derakhshani

Orbital angular momentum (OAM) in electromagnetic (EM) waves can significantly enhance spectrum efficiency in wireless communications without requiring additional power, time, or frequency resources. Different OAM modes in EM waves create…

Signal Processing · Electrical Eng. & Systems 2024-09-09 Runyu Lyu , Wenchi Cheng , Muyao Wang , Fan Qin , Tony Q. S. Quek

Novel industrial wireless applications require wideband, real-time channel characterization due to complex multipath propagation. Rapid machine motion leads to fast time variance of the channel's reflective behavior, which must be captured…

Signal Processing · Electrical Eng. & Systems 2018-05-04 Niels Hendrik Fliedner , Dimitri Block , Uwe Meier

Online Class Incremental Learning (OCIL) aims to train models incrementally, where data arrive in mini-batches, and previous data are not accessible. A major challenge in OCIL is Catastrophic Forgetting, i.e., the loss of previously learned…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Huiping Zhuang , Yuchen Liu , Run He , Kai Tong , Ziqian Zeng , Cen Chen , Yi Wang , Lap-Pui Chau

Orbital angular momentum (OAM) at radio frequency (RF) provides a novel approach of multiplexing a set of orthogonal modes on the same frequency channel to achieve high spectral efficiencies (SEs). However, the existing research on OAM…

Information Theory · Computer Science 2021-10-19 Wen-Xuan Long , Rui Chen , Marco Moretti , Jian Xiong , Jiandong Li

Open radio access network (ORAN) provides an open architecture to implement radio access network (RAN) of the fifth generation (5G) and beyond mobile communications. As a key technology for the evolution to the sixth generation (6G)…

Mobile networks have become ubiquitous, but running experiments on them is expensive and hard, given their complexity and diversity. Emulation can be the solution, and, with ERRANT, we offer a realistic emulator of mobile networks based on…

Networking and Internet Architecture · Computer Science 2021-06-14 Martino Trevisan , Ali Safari Khatouni , Danilo Giordano

Over-the-air (OTA) emulation of diverse sensing target characteristics in a controlled laboratory environment is pivotal for advancing integrated sensing and communication (ISAC) technology, as it facilitates the non-invasive performance…

Signal Processing · Electrical Eng. & Systems 2026-03-12 Chunhui Li , Hao Sun , Wei Fan

The open radio access network (O-RAN) describes an industry-driven open architecture and interfaces for building next generation RANs with artificial intelligence (AI) controllers. We circulated a survey among researchers, developers, and…

Networking and Internet Architecture · Computer Science 2022-03-29 Aly S. Abdalla , Pratheek S. Upadhyaya , Vijay K. Shah , Vuk Marojevic

Modern neural-network-based speech processing systems are typically required to be robust against reverberation, and the training of such systems thus needs a large amount of reverberant data. During the training of the systems, on-the-fly…

Sound · Computer Science 2023-04-18 Yi Luo , Rongzhi Gu

This paper studies joint uplink (UL) and downlink (DL) resource allocation in user-centric orthogonal frequency division multiple access (OFDMA) cloud radio access network (CRAN), where the users select the distributed remote radio heads…

Information Theory · Computer Science 2019-06-21 Zehong Lin , Yuan Liu

Dense and unplanned IEEE 802.11 Wireless Fidelity(Wi-Fi) deployments and the continuous increase of throughput and latency stringent services for users have led to machine learning algorithms to be considered as promising techniques in the…

Networking and Internet Architecture · Computer Science 2023-07-12 Pedro Enrique Iturria-Rivera , Marcel Chenier , Bernard Herscovici , Burak Kantarci , Melike Erol-Kantarci

The Open Radio Access Network (Open RAN) paradigm, and its reference architecture proposed by the O-RAN Alliance, is paving the way toward open, interoperable, observable and truly intelligent cellular networks. Crucial to this evolution is…

Networking and Internet Architecture · Computer Science 2025-10-08 Raoul Raftopoulos , Salvatore D'Oro , Tommaso Melodia , Giovanni Schembra

This paper presents \emph{StormWave}, an open-source, portable software-defined Radio Frequency (RF) interference generation and monitoring platform designed for realistic field-based evaluation of the resilience of wireless communication…

OLAF (Open Life Science Analysis Framework) is an open-source platform that enables researchers to perform bioinformatics analyses using natural language. By combining large language models (LLMs) with a modular agent-pipe-router…

Quantitative Methods · Quantitative Biology 2025-04-14 Dylan Riffle , Nima Shirooni , Cody He , Manush Murali , Sovit Nayak , Rishikumar Gopalan , Diego Gonzalez Lopez