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We consider wireless caches located in the plane according to general point process and specialize the results for the homogeneous Poisson process. A large data file is stored at the caches, which have limited storage capabilities. Hence,…

Networking and Internet Architecture · Computer Science 2013-09-04 Eitan Altman , Konstantin Avrachenkov , Jasper Goseling

Coded-caching is a promising technique to reduce the peak rate requirement of backhaul links during high traffic periods. In this letter, we study the effect of adaptive transmission on the performance of coded-caching based networks.…

Information Theory · Computer Science 2021-03-15 Behrooz Makki , Mohamed-Slim Alouini

In order to better accommodate the dramatically increasing demand for data caching and computing services, storage and computation capabilities should be endowed to some of the intermediate nodes within the network. In this paper, we design…

Networking and Internet Architecture · Computer Science 2017-06-30 Yuchen Zhou , F. Richard Yu , Jian Chen , Yonghong Kuo

The performance of cloud radio access network (C-RAN) is limited by the finite capacities of the backhaul links connecting the centralized processor (CP) with the base-stations (BSs), especially when the backhaul is implemented in a…

Information Theory · Computer Science 2018-05-01 Binbin Dai , Ya-Feng Liu , Wei Yu

Caching is an approach to smoothen the variability of traffic over time. Recently it has been proved that the local memories at the users can be exploited for reducing the peak traffic in a much more efficient way than previously believed.…

Information Theory · Computer Science 2015-12-22 Saeid Sahraei , Michael Gastpar

Caching at the edge is a promising technique to cope with the increasing data demand in wireless networks. This paper analyzes the performance of cellular networks consisting of a tier macro-cell wireless backhaul nodes overlaid with a tier…

Information Theory · Computer Science 2017-05-25 Italo Atzeni , Marco Maso , Imène Ghamnia , Ejder Baştuğ , Mérouane Debbah

We consider the problem of delivering content cached in a wireless network of n nodes randomly located on a square of area n. The network performance is described by the n2^n-dimensional caching capacity region of the wireless network. We…

Information Theory · Computer Science 2012-09-28 Urs Niesen , Devavrat Shah , Gregory Wornell

We consider the content delivery problem in a fading multi-input single-output channel with cache-aided users. We are interested in the scalability of the equivalent content delivery rate when the number of users, $K$, is large. Analytical…

Information Theory · Computer Science 2020-06-05 Khac-Hoang Ngo , Sheng Yang , Mari Kobayashi

To facilitate wireless transmission of multimedia content to mobile users, we propose a content caching and distribution framework for smart grid enabled OFDM networks, where each popular multimedia file is coded and distributively stored…

Networking and Internet Architecture · Computer Science 2016-03-21 Xueqing Huang , Nirwan Ansari

We consider scheduling strategies for point-to-multipoint (PMP) storage area networks (SANs) that use network coded storage (NCS). In particular, we present a simple SAN system model, two server scheduling algorithms for PMP networks, and…

Information Theory · Computer Science 2014-02-14 Ulric J. Ferner , Parastoo Sadeghi , Neda Aboutorab , Muriel Medard

Cellular and Broadcast services have been traditionally treated independently due to the different market requirements, thus resulting in different business models and orthogonal frequency allocations. However, with the advent of cheap…

Information Theory · Computer Science 2015-05-01 Symeon Chatzinotas , Dimitrios Christopoulos , Bjorn Ottersten

Coded caching is a technique that leverages locally cached contents at the end users to reduce the network's peak-time communication load. Coded caching has been shown to achieve significant performance gains with a centralized placement…

Information Theory · Computer Science 2026-05-01 Yinbin Ma , Daniela Tuninetti

In this work, we propose a content caching and delivery strategy to maximize throughput capacity in cache-enabled wireless networks. To this end, efficient betweenness (EB), which indicates the ratio of content delivery paths passing…

Information Theory · Computer Science 2020-05-11 Chenxi Zhao , Junyu Liu , Min Sheng , Yanpeng Dai

Conventional wireless caching assumes that content can be pushed to local caching infrastructure during off-peak hours in an error-free manner; however, this assumption is not applicable if local caches need to be frequently updated via…

Information Theory · Computer Science 2018-01-22 Zhiguo Ding , Pingzhi Fan , George K. Karagiannidis , Robert Schober , H. Vincent Poor

We consider the standard broadcast setup with a single server broadcasting information to a number of clients, each of which contains local storage (called \textit{cache}) of some size, which can store some parts of the available files at…

Information Theory · Computer Science 2020-02-21 Shailja Agrawal , K V Sushena Sree , Prasad Krishnan

Heterogeneous wireless networks (HetNets) provide a powerful approach to meet the dramatic mobile traffic growth, but also impose a significant challenge on backhaul. Caching and multicasting at macro and pico base stations (BSs) are two…

Information Theory · Computer Science 2016-04-11 Ying Cui , Dongdong Jiang

This paper studies the problem of transmitting multiple independent layered video streams over single-hop wireless networks using network coding (NC). We combine feedback-free random linear NC (RLNC) with unequal error protection (UEP) and…

Information Theory · Computer Science 2014-09-04 Mohammad Esmaeilzadeh , Neda Aboutorab

For a network with one sender, $n$ receivers (users) and $m$ possible messages (files), caching side information at the users allows to satisfy arbitrary simultaneous demands by sending a common (multicast) coded message. In the worst-case…

Information Theory · Computer Science 2014-07-04 Mingyue Ji , Antonia M. Tulino , Jaime Llorca , Giuseppe Caire

The large amount of deployed smart devices put tremendous traffic pressure on networks. Caching at the edge has been widely studied as a promising technique to solve this problem. To further improve the successful transmission probability…

Information Theory · Computer Science 2021-01-25 Tianming Feng , Shuo Shi , Shushi Gu , Ning Zhang , Wei Xiang , Xuemai Gu

Multi-Access Point Coordination (MAPC) will be a key feature in next generation Wi-Fi 8 networks. MAPC aims to improve the overall network performance by allowing Access Points (APs) to share time, frequency and/or spatial resources in a…

Networking and Internet Architecture · Computer Science 2023-05-09 David Nunez , Malcom Smith , Boris Bellalta
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