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With the explosive growth of smart devices and mobile data traffic, limited fronthaul capacity has become a notable bottleneck of green communication access networks, such as cloud radio access networks(C-RANs). In this paper, we proposed a…

Information Theory · Computer Science 2016-06-24 Zhi Yu , Ke Wang , Hong Ji , Xi Li , Heli Zhang

In this paper, we address the problem of power-efficient resource management in Cloud Radio Access Networks (C-RANs). Specifically, we consider the case where Remote Radio Heads (RRHs) perform data transmission, and signal processing is…

Networking and Internet Architecture · Computer Science 2019-04-25 Salvatore D'Oro , Marcelo Antonio Marotta , Cristiano Bonato Both , Luiz DaSilva , Sergio Palazzo

In this paper, we consider the network power minimization problem in a downlink cloud radio access network (C-RAN), taking into account the power consumed at the baseband unit (BBU) for computation and the power consumed at the remote radio…

Information Theory · Computer Science 2019-01-08 Wenchao Xia , Jun Zhang , Tony Q. S. Quek , Shi Jin , Hongbo Zhu

In this paper, we propose a novel algorithm to maximize the sum rate in interference-limited scenarios where each user decodes its own message with the presence of unknown interferences and noise considering the…

Information Theory · Computer Science 2015-03-23 Hussein Al-Shatri , Xiang Li , Rakash SivaSiva Ganesan , Anja Klein , Tobias Weber

It is known that data rates in standard cellular networks are limited due to inter-cell interference. An effective solution of this problem is to use the multi-cell cooperation idea. In Cloud Radio Access Network, which is a candidate…

Information Theory · Computer Science 2021-02-16 Fehmi Emre Kadan , Ali Özgür Yılmaz

Mobile cloud computing enables the offloading of computationally heavy applications, such as for gaming, object recognition or video processing, from mobile users (MUs) to cloudlet or cloud servers, which are connected to wireless access…

Networking and Internet Architecture · Computer Science 2017-02-07 Ali Al-Shuwaili , Osvaldo Simeone , Alireza Bagheri , Gesualdo Scutari

The heterogeneous cloud radio access network (Cloud-RAN) provides a revolutionary way to densify radio access networks. It enables centralized coordination and signal processing for efficient interference management and flexible network…

Information Theory · Computer Science 2015-06-16 Yuanming Shi , Jun Zhang , Khaled B. Letaief , Bo Bai , Wei Chen

Cloud RAN (C-RAN) is a promising enabler for distributed massive MIMO systems, yet is vulnerable to its fronthaul congestion. To cope with the limited fronthaul capacity, this paper proposes a hybrid analog-digital precoding design that…

Information Theory · Computer Science 2017-09-26 Jihong Park , Dong Min Kim , Elisabeth De Carvalho , Carles Navarro Manchón

Cloud Radio Access Network (C-RAN) is considered as one of the most promising candidate for Fifth Generation (5G) wireless communication system. However, C-RAN imposes stringent requirements on fronthaul in terms of capacity which in turn…

Signal Processing · Electrical Eng. & Systems 2019-04-19 Sandip Das , Marco Ruffini

In this correspondence, we propose hierarchical high-altitude platform (HAP)-low-altitude platform (LAP) networks with the aim of maximizing the sum-rate of ground user equipments (UEs). The multiple aerial radio units (RUs) mounted on HAPs…

Systems and Control · Electrical Eng. & Systems 2023-12-08 Jeongbin Kim , Seongah Jeong , Seonghoon Yoo , Woong Son , Joonhyuk Kang

There is a widely held belief that future Radio Access Network (RAN) architectures will be characterized by increased levels of virtualization, whereby base station functionalities, traditionally residing at a single location, will be…

Networking and Internet Architecture · Computer Science 2022-05-18 Sandra Lagén , Xavier Gelabert , Andreas Hansson , Manuel Requena , Lorenza Giupponi

Power saving is a main pillar in the operation of wireless communication systems. In this paper, we investigate cloud radio access network (C-RAN) capability to reduce power consumption based on the user equipment (UE) requirement. Aiming…

Information Theory · Computer Science 2024-05-24 Yuchao Chang , Hongli Wang , Wen Chen , Yonghui Li , Naofal Al-Dhahir

One of the most promising techniques for network-wide interference management necessitates a redesign of the network architecture known as cloud radio access network (CRAN). The cloud is responsible for coordinating multiple Remote Radio…

Information Theory · Computer Science 2018-06-22 Mohammed S. Al-Abiad , Ahmed Douik , Sameh Sorour , Md Jahangir Hossain

The cloud radio access network (C-RAN) provides high spectral and energy efficiency performances, low expenditures and intelligent centralized system structures to operators, which has attracted intense interests in both academia and…

Information Theory · Computer Science 2014-10-30 Jian Li , Mugen Peng , Aolin Cheng , Yuling Yu , Chonggang Wang

A cloud radio access network (C-RAN) is a promising cellular network, wherein densely deployed multi-antenna remote-radio-heads (RRHs) jointly serve many users using the same time-frequency resource. By extremely high signaling overheads…

Signal Processing · Electrical Eng. & Systems 2021-07-30 Deokhwan Han , Jeonghun Park , Seok-Hwan Park , Namyoon Lee

This work studies the joint design of cloud and edge processing for the downlink of a fog radio access network (F-RAN). In an F-RAN, as in cloud-RAN (C-RAN), a baseband processing unit (BBU) can perform joint baseband processing on behalf…

Information Theory · Computer Science 2016-01-12 Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

This paper is interested in maximizing the total throughput of cloud radio access networks (CRANs) in which multiple radio remote heads (RRHs) are connected to a central computing unit known as the cloud. The transmit frame of each RRH…

Information Theory · Computer Science 2018-01-17 Mohammed S. Al-Abiad , Ahmed Douik , Sameh Sorour , MD Jahangir Hossain

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

We consider the uplink of a cloud radio access network (C-RAN), where massive MIMO remote radio heads (RRHs) serve as relays between users and a centralized baseband unit (BBU). Although employing massive MIMO at RRHs can improve the…

Information Theory · Computer Science 2019-05-01 An Liu , Xihan Chen , Wei Yu , Vincent Lau , Min-Jian Zhao

A multistatic radar set-up is considered in which distributed receive antennas are connected to a Fusion Center (FC) via limited-capacity backhaul links. Similar to cloud radio access networks in communications, the receive antennas…

Statistics Theory · Mathematics 2015-06-23 Shahrouz Khalili , Osvaldo Simeone , Alexander M. Haimovich
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