English
Related papers

Related papers: Robust Baseband Compression Against Congestion in …

200 papers

This paper explores the multi-access distributed computing (MADC) model, a novel distributed computing framework where mapper and reducer nodes are distinct entities. Unlike traditional MapReduce frameworks, MADC leverages coding-theoretic…

Information Theory · Computer Science 2025-08-08 Shanuja Sasi , Onur Günlü

Modern communications have moved away from point-to-point models to increasingly heterogeneous network models. In this article, we propose a novel controller-based protocol to deploy adaptive causal network coding in heterogeneous and…

Networking and Internet Architecture · Computer Science 2020-10-02 Alejandro Cohen , Homa Esfahanizadeh , Bruno Sousa , João P. Vilela , Miguel Luís , Duarte Raposo , Francois Michel , Susana Sargento , Muriel Médard

Multiple Description Coding (MDC) is a promising error-resilient source coding method that is particularly suitable for dynamic networks with multiple (yet noisy and unreliable) paths. However, conventional MDC video codecs suffer from…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Xinyue Hu , Wei Ye , Jiaxiang Tang , Eman Ramadan , Zhi-Li Zhang

Cloud Radio Access Network (C-RAN) is a prominent architecture for 5G wireless cellular system that is based on the centralization of baseband processing for multiple distributed radio units (RUs) at a control unit (CU). In this work, it is…

Information Theory · Computer Science 2017-05-19 Seongah Jeong , Osvaldo Simeone , Alexander Haimovich , Joonhyuk Kang

The downlink of symmetric Cloud Radio Access Networks (C-RANs) with multiple relays and a single receiver is studied. Lower and upper bounds are derived on the capacity. The lower bound is achieved by Marton's coding which facilitates…

Information Theory · Computer Science 2018-02-14 Shirin Saeedi Bidokhti , Gerhard Kramer , Shlomo Shamai

We consider a Fog Radio Access Network (F-RAN) with a Base Band Unit (BBU) in the cloud and multiple cache-enabled enhanced Remote Radio Heads (eRRHs). The system aims at delivering contents on demand with minimal average latency from a…

Signal Processing · Electrical Eng. & Systems 2019-12-23 Jihwan Moon , Osvaldo Simeone , Seok-Hwan Park , Inkyu Lee

One of the major challenges in the medium access control (MAC) protocol design over cognitive Ad Hoc networks (CAHNs) is how to efficiently utilize multiple opportunistic channels, which vary dynamically and are subject to limited power…

Information Theory · Computer Science 2011-05-03 Yichen Wang , Pinyi Ren , Qinghe Du , Chao Zhang

Centralized Radio Access Network (C-RAN) is a new paradigm for wireless networks that centralizes the signal processing in a computing cloud, allowing commodity computational resources to be pooled. While C-RAN improves utilization and…

Information Theory · Computer Science 2017-02-03 Kyle Whetzel , Matthew C. Valenti

Modulation compression is a technique considered in the recent Open-RAN (O-RAN) framework, which has continued the 3GPP effort towards the definition of new virtualized and multi-vendor RAN architectures. Basically, fronthaul compression is…

Networking and Internet Architecture · Computer Science 2020-11-10 Sandra Lagen , Lorenza Giupponi , Andreas Hansson , Xavier Gelabert

To decrease the training overhead and improve the channel estimation accuracy in uplink cloud radio access networks (C-RANs), a superimposed-segment training design is proposed. The core idea of the proposal is that each mobile station…

Information Theory · Computer Science 2015-06-23 Xinqian Xie , Mugen Peng , H. Vincent Poor

To reach a cost-efficient 5G architecture, the use of remote radio heads connected through a fronthaul to baseband controllers is a promising solution. However, the fronthaul links must support high bit rates as 5G networks are projected to…

Information Theory · Computer Science 2017-09-18 Kamil Senel , Emil Björnson , Erik G. Larsson

Breaking the fronthaul capacity limitations is vital to make cloud radio access network (C-RAN) scalable and practical. One promising way is aggregating several remote radio units (RRUs) as a cluster to share a fronthaul link, so as to…

Information Theory · Computer Science 2017-01-31 Liumeng Wang , Sheng Zhou

This paper aims to characterize the synergy of distributed caching and wireless fronthaul in a fog radio access network (Fog-RAN) where all edge nodes (ENs) and user equipments (UEs) have a local cache and store contents independently at…

Information Theory · Computer Science 2018-05-10 Fan Xu , Meixia Tao

This work studies multigroup multicasting transmission in cloud radio access networks (C-RANs) with simultaneous wireless information and power transfer, where densely packed remote radio heads (RRHs) cooperatively provide information and…

Information Theory · Computer Science 2021-06-10 Fangqing Tan , Peiran Wu , Yik-Chung Wu , Minghua Xia

Mobile backhaul system based on a wireless mesh network using point-to-point millimetre wave links is a promising solution for dense 5G small cell deployments. While mmW radio technology can provide the sufficient capacity, the management…

Networking and Internet Architecture · Computer Science 2020-05-26 Kari Seppänen , Pekka J. Wainio

Full-duplex (FD) has emerged as a disruptive communications paradigm for enhancing the achievable spectral efficiency (SE), thanks to the recent major breakthroughs in self-interference (SI) mitigation. The FD versus half-duplex (HD) SE…

Information Theory · Computer Science 2017-11-07 Arman Shojaeifard , Kai-Kit Wong , Wei Yu , Gan Zheng , Jie Tang

Fog Radio Access Network (F-RAN) exploits cached contents at edge nodes (ENs) and fronthaul connection to the cloud for content delivery. Assuming dedicated fronthaul links between cloud and each EN, previous works focused on analyses of…

Information Theory · Computer Science 2020-06-15 Seyyed Mohammadreza Azimi

Fronthaul limitations in terms of capacity and latency motivate the growing interest in the wireless industry for the study of alternative functional splits between cloud and edge nodes in Cloud Radio Access Network (C-RAN). This work…

Information Theory · Computer Science 2017-06-23 Jinkyu Kang , Osvaldo Simeone , Joonhyuk Kang , Shlomo Shamai

Dual Connectivity (DC) is one of the key techniques to harness the potential of heterogeneous cellular networks. However, 3rd Generation Partnership Project (3GPP) has introduced disparate mechanisms for DC support in different Radio Access…

Networking and Internet Architecture · Computer Science 2019-01-01 Pradnya Kiri Taksande , Pranav Jha , Abhay Karandikar

The rapid growth of data traffic and the emerging AI-native wireless architectures in NextG cellular systems place new demands on the fronthaul links of Cloud Radio Access Networks (C-RAN). In this paper, we investigate neural compression…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Chenghong Bian , Yulin Shao , Deniz Gunduz