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Open Radio Access Network (O-RAN), a novel architecture that separates the traditional radio access network (RAN) into multiple disaggregated components, leads a revolution in the telecommunication ecosystems. Compared to the traditional…

Networking and Internet Architecture · Computer Science 2023-11-07 Yi-Zih Chen , Terrance Yu-Hao Chen , Po-Jung Su , Chi-Ting Liu

We describe a modified SIMD architecture suitable for single-chip integration of a large number of processing elements, such as 1,000 or more. Important differences from traditional SIMD designs are: a) The size of the memory per processing…

Astrophysics · Physics 2007-05-23 Junichiro Makino

Processing-using-DRAM has been proposed for a limited set of basic operations (i.e., logic operations, addition). However, in order to enable full adoption of processing-using-DRAM, it is necessary to provide support for more complex…

Forecasting time series patterns, such as cell key performance indicators (KPIs) of radio access networks (RAN), plays a vital role in enhancing service quality and operational efficiency. State-of-the-art forecasting approaches prioritize…

Machine Learning · Computer Science 2024-11-05 Ebenezer RHP Isaac , Bulbul Singh

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

The emergence of 6G technology represents a significant advancement in wireless communications, providing unprecedented speed, extremely low latency, and pioneering applications. In light of this development, an important question arises:…

Networking and Internet Architecture · Computer Science 2024-11-18 Sneihil Gopal , Aziz Kord , Richard A. Rouil

Modern processors have instructions to process 16 bytes or more at once. These instructions are called SIMD, for single instruction, multiple data. Recent advances have leveraged SIMD instructions to accelerate parsing of common Internet…

Data Structures and Algorithms · Computer Science 2025-06-05 Daniel Lemire

Network virtualization and cloudification in Open Radio Access Networks (O-RAN) enable joint orchestration of the processing and fronthaul resources, which are essential for realizing the energy-saving potential of cell-free massive MIMO…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Ozan Alp Topal , Özlem Tuğfe Demir , Emil Björnson , Cicek Cavdar

With the continued growth in field-programmable gate array (FPGA) capacity and their incorporation into new environments such as datacenters, we have witnessed the introduction of a new class of reconfigurable acceleration devices (RADs)…

Hardware Architecture · Computer Science 2023-01-13 Andrew Boutros , Eriko Nurvitadhi , Vaughn Betz

Flexible cooperation among base stations (BSs) is critical to improve resource utilization efficiency and meet personalized user demands. However, its practical implementation is hindered by the current radio access network (RAN), which…

Signal Processing · Electrical Eng. & Systems 2025-06-05 Jingbo Liu , Jiacheng Chen , Zeyu Sun , Bo Qian , Haibo Zhou

The Open Radio Access Network (Open RAN) aims to enable disaggregated, virtualized, programmable, and data-driven intelligent network with open interfaces to support various real-time and non-real-time applications for different classes of…

For the energy-efficient deployment of cell-free massive MIMO functionality in a practical wireless network, the end-to-end (from radio site to the cloud) energy-aware operation is essential. In line with the cloudification and…

Signal Processing · Electrical Eng. & Systems 2024-01-30 Özlem Tuğfe Demir , Meysam Masoudi , Emil Björnson , Cicek Cavdar

The transition to 6G is expected to bring significant advancements, including much higher data rates, enhanced reliability and ultra-low latency compared to previous generations. Although 6G is anticipated to be 100 times more energy…

Networking and Internet Architecture · Computer Science 2025-03-12 Hamed Ahmadi , Mostafa Rahmani , Swarna Bindu Chetty , Eirini Eleni Tsiropoulou , Huseyin Arslan , Merouane Debbah , Tony Quek

Over the last decade the relative latency of access to shared memory by multicore increased as wire resistance dominated latency and low wire density layout pushed multiport memories farther away from their ports. Various techniques were…

Hardware Architecture · Computer Science 2021-03-01 Ashish Shrivastava , Alan Gatherer , Tong Sun , Sushma Wokhlu , Alex Chandra

5G and beyond cellular networks (NextG) will support the continuous execution of resource-expensive edge-assisted deep learning (DL) tasks. To this end, Radio Access Network (RAN) resources will need to be carefully "sliced" to satisfy…

Networking and Internet Architecture · Computer Science 2024-07-09 Corrado Puligheddu , Jonathan Ashdown , Carla Fabiana Chiasserini , Francesco Restuccia

With high computation power and memory bandwidth, graphics processing units (GPUs) lend themselves to accelerate data-intensive analytics, especially when such applications fit the single instruction multiple data (SIMD) model. However,…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-12 Hang Liu , H. Howie Huang

Parallel architectures are essential in order to take advantage of the parallelism inherent in streaming applications. One particular branch of these employ hardware SIMD pipelines. In this paper, we analyse several scheduling techniques,…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-02-27 Mehmet Ali Arslan , Flavius Gruian , Krzysztof Kuchcinski

The rapid advancement of 5G networks and the upcoming transition to 6G necessitate the use of the Open Radio Access Network (O-RAN) architecture to enable greater flexibility, interoperability, and innovation. This shift towards 6G and…

Networking and Internet Architecture · Computer Science 2024-05-31 Seyed Bagher Hashemi Natanzi , Bo Tang

This paper explores the application of uplink fronthaul compression techniques within Open RAN (O-RAN) to mitigate fronthaul load in decentralized distributed MIMO (DD-MIMO) systems. With the ever-increasing demand for high data rates and…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Mostafa Rahmani , Junbo Zhao , Vida Ranjbar , Ahmed Al-Tahmeesschi , Hamed Ahmadi , Sofie Pollin , Alister G. Burr

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