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Today's mobile data traffic is dominated by content-oriented traffic. Caching popular contents at the network edge can alleviate network congestion and reduce content delivery latency. This paper provides a comprehensive and unified study…

信息论 · 计算机科学 2019-04-17 Meixia Tao , Deniz Gündüz , Fan Xu , Joan S. Pujol Roig

Fog radio access networks (F-RANs) are seen as potential architectures to support services of internet of things by leveraging edge caching and edge computing. However, current works studying resource management in F-RANs mainly consider a…

网络与互联网体系结构 · 计算机科学 2018-09-18 Yaohua Sun , Mugen Peng , Shiwen Mao

In order to make Internet connections ubiquitous and autonomous in our daily lives, maximizing the utilization of radio resources and social information is one of the major research topics in future mobile communication technologies. Fog…

信息论 · 计算机科学 2017-07-24 Haijun Zhang , Yu Qiu , Xiaoli Chu , Keping Long , Victor C. M. Leung

The advent of Open Radio Access Networks (O-RAN) introduces modularity and flexibility into 5G deployments but also surfaces novel security challenges across disaggregated interfaces. This literature review synthesizes recent research…

密码学与安全 · 计算机科学 2025-06-12 Ryan Barker , Fatemeh Afghah

We introduce a method for securely delivering a set of messages to a group of clients over a broadcast erasure channel where each client is interested in a distinct message. Each client is able to obtain its own message but not the others'.…

信息论 · 计算机科学 2013-05-08 Shahriar Etemadi Tajbakhsh , Parastoo Sadeghi , Rodney Kennedy

Future wireless networks must serve dense mobile networks with high data rates, keeping energy requirements to a possible minimum. The small cell-based network architecture and device-to-device (D2D) communication are already being…

网络与互联网体系结构 · 计算机科学 2022-05-19 Vipindev Adat Vasudevan , Muhammad Tayyab , George P. Koudouridis , Xavier Gelabert , Ilias Politis

As a subfield of network coding, physical-layer network coding (PNC) can effectively enhance the throughput of wireless networks by mapping superimposed signals at receiver to other forms of user messages. Over the past twenty years, PNC…

信号处理 · 电气工程与系统科学 2019-07-25 Pingping Chen , Zhaopeng Xie , Yi Fang , Zhifeng Chen , Shahid Mumtaz , Joel J. P. C. Rodrigues

Network coding is a recently proposed method for transmitting data, which has been shown to have potential to improve wireless network performance. We study network coding for one specific case of multicast, broadcasting, from one source to…

网络与互联网体系结构 · 计算机科学 2009-04-20 Song Yean Cho , Cédric Adjih

Compared with the fourth generation (4G) cellular systems, the fifth generation wireless communication systems (5G) are anticipated to provide spectral and energy efficiency growth by a factor of at least 10, and the area throughput growth…

信息论 · 计算机科学 2016-11-17 Mugen Peng , Yong Li , Zhongyuan Zhao , Chonggang Wang

Randomized network coding (RNC) greatly reduces the complexity of implementing network coding in large-scale, heterogeneous networks. This paper examines two tradeoffs in applying RNC: The first studies how the performance of RNC varies…

信息论 · 计算机科学 2009-02-18 Yingda Chen , Shalinee Kishore

The device-to-device communication-aided fog radio access network, referred to as \textit{D2D-aided F-RAN}, takes advantage of caching at enhanced remote radio heads (eRRHs) and D2D proximity for improved system performance. For D2D-aided…

信息论 · 计算机科学 2020-07-10 Mohammed S. Al-Abiad , Md. Jahangir Hossain

This paper considers a downlink transmission of cloud radio access network (C-RAN) in which precoded baseband signals at a common baseband unit are compressed before being forwarded to radio units (RUs) through limited fronthaul capacity…

信息论 · 计算机科学 2017-03-20 Kien-Giang Nguyen , Quang-Doanh Vu , Markku Juntti , Le-Nam Tran

In this work, we consider a Fog Radio Access Network (F-RAN) system with a partially connected wireless topology and no channel state information available at the cloud and Edge Nodes (ENs). An F-RAN consists of ENs that are equipped with…

信息论 · 计算机科学 2019-12-20 Wei-Ting Chang , Ravi Tandon , Osvaldo Simeone

In this work, we study a full-duplex (FD) cloud radio access network (C-RAN) from the aspects of infrastructure sharing and information secrecy, where the central unit utilizes FD remote radio units (RU)s belonging to the same operator,…

信息论 · 计算机科学 2021-07-20 Omid Taghizadeh , Tianyu Yang , Hiroki Iimori , Giuseppe Abreu , Ali Cagatay Cirik , Rudolf Mathar

In this paper, we investigate the potential benefits of the massive multiple-input multiple-output (MIMO) enabled heterogeneous cloud radio access network (C-RAN) in terms of the secrecy and energy efficiency (EE). In this network, both…

网络与互联网体系结构 · 计算机科学 2016-11-15 Lifeng Wang , Kai-Kit Wong , Maged Elkashlan , Arumugam Nallanathan , Sangarapillai Lambotharan

As a promising paradigm for fifth generation (5G) wireless communication systems, cloud radio access networks (C-RANs) have been shown to reduce both capital and operating expenditures, as well as to provide high spectral efficiency (SE)…

信息论 · 计算机科学 2016-11-15 M. Peng , C. Wang , V. Lau , H. V. Poor

In the wake of growth in intelligent mobile devices and wide usage of bandwidth-hungry applications of mobile Internet, the demand of wireless data traffic and ubiquitous mobile broadband is rapidly increasing. On account of these…

信息论 · 计算机科学 2018-03-16 H. Zhang , Y. Qiu , K. Long , G. K. Karagiannidis , X. Wang , A. Nallanathan

Interference in wireless networks is one of the key-capacity limiting factor. The multicast capacity of an ad- hoc wireless network decreases with an increasing number of transmitting and/or receiving nodes within a fixed area. Digital…

信息论 · 计算机科学 2011-12-20 Jalaluddin Qureshi , Chuan Heng Foh , Jianfei Cai

A Fog radio access network is considered as a network architecture candidate to meet the soaring demand in terms of reliability, spectral efficiency, and latency in next generation wireless networks. This architecture combines the benefits…

信息论 · 计算机科学 2017-06-26 Jaber Kakar , Soheil Gherekhloo , Aydin Sezgin

In recent years, network coding has emerged as an innovative method that helps a wireless network approach its maximum capacity, by combining multiple unicasts in one broadcast. However, the majority of research conducted in this area is…

网络与互联网体系结构 · 计算机科学 2018-01-09 Somayeh Kafaie , Yuanzhu Chen , Mohamed Hossam Ahmed , Octavia A. Dobre