English
Related papers

Related papers: Measurement-Driven O-RAN Diagnostics with Tail Lat…

200 papers

The Open Radio Access Network (RAN) and its embodiment through the O-RAN Alliance specifications are poised to revolutionize the telecom ecosystem. O-RAN promotes virtualized RANs where disaggregated components are connected via open…

Networking and Internet Architecture · Computer Science 2022-08-03 Michele Polese , Leonardo Bonati , Salvatore D'Oro , Stefano Basagni , Tommaso Melodia

This paper introduces an innovative method for predicting wireless network traffic in concise temporal intervals for Open Radio Access Networks (O-RAN) using a transformer architecture, which is the machine learning model behind generative…

Networking and Internet Architecture · Computer Science 2024-03-19 Md Arafat Habib , Pedro Enrique Iturria-Rivera , Yigit Ozcan , Medhat Elsayed , Majid Bavand , Raimundus Gaigalas , Melike Erol-Kantarci

We consider the allocation of spectral and power resources to the mobiles (i.e., user equipment (UE)) in a cell every subframe (1 ms) for the Long Term Evolution (LTE) orthogonal frequency division multiple access (OFDMA) cellular network.…

Optimization and Control · Mathematics 2012-01-17 Akash Baid , Ritesh Madan , Ashwin Sampath

The fourth-generation Wireless Technology (4G) has been adopted by all major operators in the world and has already ruled the cellular landscape for around a decade. A lot of researches and new technologies are being considered as potential…

Signal Processing · Electrical Eng. & Systems 2021-01-13 Qiuheng Zhou , Wei Jiang

As a critical component of beyond fifth-generation (B5G) and sixth-generation (6G) mobile communication systems, ultra-reliable low-latency communication (uRLLC) imposes stringent requirements on latency and reliability. In recent years,…

Information Theory · Computer Science 2024-12-13 Ziyang Zhang , Dongming Wang , Yunxiang Guo , Yang Cao , Xiaohu You

To enhance coverage and improve service continuity, satellite-terrestrial integrated radio access network (STIRAN) has been seen as an essential trend in the development of 6G. However, there is still a lack of theoretical analysis on its…

Information Theory · Computer Science 2024-04-16 Yaohua Sun , Ruiwen Li

This dissertation paper presents the main contributions to the design and the implementation of a Cloud-RAN solution. We concretely address the two main challenges of Cloud-RAN systems: real-time processing of radio signals and reduced…

Networking and Internet Architecture · Computer Science 2019-12-03 Veronica Quintuna Rodriguez , Fabrice Guillemin

Industry adoption of Artificial Intelligence (AI)-native wireless receivers, or even modular, Machine Learning (ML)-aided wireless signal processing blocks, has been slow. The main concern is the lack of explainability of these trained ML…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Mauro Belgiovine , Suyash Pradhan , Johannes Lange , Michael Löhning , Kaushik Chowdhury

The success of immersive applications such as virtual reality (VR) gaming and metaverse services depends on low latency and reliable connectivity. To provide seamless user experiences, the open radio access network (O-RAN) architecture and…

Networking and Internet Architecture · Computer Science 2023-09-04 Ahmad M. Nagib , Hatem Abou-Zeid , Hossam S. Hassanein

Reliable and robust positioning of radio devices remains a challenging task due to multipath propagation, hardware impairments, and interference from other radio transmitters. A frequently overlooked but critical factor is the agent itself,…

Signal Processing · Electrical Eng. & Systems 2026-04-08 Hong Zhu , Alexander Venus , Erik Leitinger , Klaus Witrisal

Open Radio Access Networks (O-RAN) promise flexible 6G network access through disaggregated, software-driven components and open interfaces, but this programmability also increases operational complexity. Multiple control loops coexist…

Networking and Internet Architecture · Computer Science 2026-02-17 Hojjat Navidan , Mohammad Cheraghinia , Jaron Fontaine , Mohamed Seif , Eli De Poorter , H. Vincent Poor , Ingrid Moerman , Adnan Shahid

Optical coherence tomography (OCT) is one of the non-invasive and easy-to-acquire biomarkers (the thickness of the retinal layers, which is detectable within OCT scans) being investigated to diagnose Alzheimer's disease (AD). This work aims…

Image and Video Processing · Electrical Eng. & Systems 2022-06-14 Paria Jeihouni , Omid Dehzangi , Annahita Amireskandari , Ali Dabouei , Ali Rezai , Nasser M. Nasrabadi

The Open Radio Access Network (O-RAN) architecture enables a flexible, vendor-neutral deployment of 5G networks by disaggregating base station components and supporting third-party xApps for near real-time RAN control. However, the…

Networking and Internet Architecture · Computer Science 2026-03-13 Pragya Sharma , Shihua Sun , Shachi Deshpande , Angelos Stavrou , Haining Wang

Open Radio Access Network (RAN) architectures will enable interoperability, openness, and programmatic data-driven control in next generation cellular networks. However, developing scalable and efficient data-driven algorithms that can…

Networking and Internet Architecture · Computer Science 2022-02-22 Leonardo Bonati , Michele Polese , Salvatore D'Oro , Stefano Basagni , Tommaso Melodia

Long-tailed recognition suffers from a persistent head--tail trade-off: improving tail performance often degrades head accuracy and can increase training instability. Despite strong empirical results from re-weighting, decoupled training,…

Machine Learning · Computer Science 2026-05-26 Chang Chu , Qingyue Zhang , Shao-Lun Huang , Junxiong Zheng

The first measured results for massive multiple-input, multiple-output (MIMO) performance in a line-of-sight (LOS) scenario with moderate mobility are presented, with 8 users served by a 100 antenna base Station (BS) at 3.7 GHz. When such a…

While the Open Radio Access Network Alliance (O-RAN) architecture enables third-party applications to optimize radio access networks at multiple timescales, real-time distributed applications (dApps) that demand low latency, high…

Networking and Internet Architecture · Computer Science 2026-03-19 João Paulo Esper , Yure Freitas , Pedro Souza , Bruno Silvestre , Joao F. Santos , Alexandre Huff , Cristiano Both , Kleber Cardoso

Accurate estimation of the human circadian phase plays an important role in personalized health monitoring, but most existing wearable-based approaches operate retrospectively and require full circadian cycle recordings, leading to high…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Mengzhu Xu , Nemanja Cabrilo , Merel van Gilst , Jean-Paul Linnartz

Reconfigurable intelligent surface (RIS)-empowered communication, has been considered widely as one of the revolutionary technologies for next generation networks. However, due to the novel propagation characteristics of RISs, underlying…

Information Theory · Computer Science 2023-05-16 Jian Sang , Mingyong Zhou , Jifeng Lan , Boning Gao , Wankai Tang , Xiao Li , Shi Jin , Ertugrul Basar , Cen Li , Qiang Cheng , Tie Jun Cui

Open Radio Access Network (O-RAN) architectures enhance flexibility for 6G and NextG networks. However, it also brings significant challenges in O-RAN testing with evaluating abundant, high-dimensional key performance indicators (KPIs). In…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Jiongyu Dai , Raymond Zhao , Farhad Rezazadeh , Lizhong Zheng , Haining Wang , Lingjia Liu