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Coded caching has been widely used in the wireless network for shifting the some transmissions during the peak traffic times to the off-peak traffic times. Multi-server coded caching, which can share responsibility for the total amount of…

Information Theory · Computer Science 2018-06-28 Minquan Cheng , Qiaoling Zhang , Jing Jiang , Reizhong Wei

A coded distributed computing (CDC) system aims to reduce the communication load in the MapReduce framework. Such a system has $K$ nodes, $N$ input files, and $Q$ Reduce functions. Each input file is mapped by $r$ nodes and each Reduce…

Information Theory · Computer Science 2023-09-11 Yingjie Cheng , Gaojun Luo , Xiwang Cao , Martianus Frederic Ezerman , San Ling

Coded distributed computing (CDC) introduced by Li et al. in 2015 offers an efficient approach to trade computing power to reduce the communication load in general distributed computing frameworks such as MapReduce. For the more general…

Information Theory · Computer Science 2019-01-24 Nicholas Woolsey , Rong-Rong Chen , Mingyue Ji

Centralized coded caching of popular contents is studied for users with heterogeneous distortion requirements, corresponding to diverse processing and display capabilities of mobile devices. Users' distortion requirements are assumed to be…

Information Theory · Computer Science 2016-04-28 Qianqian Yang , Deniz Gunduz

We consider a cache-aided interference network which consists of a library of $N$ files, $K_T$ transmitters and $K_R$ receivers (users), each equipped with a local cache of size $M_T$ and $M_R$ files respectively, and connected via a…

Information Theory · Computer Science 2021-01-05 Xiang Zhang , Nicholas Woolsey , Mingyue Ji

We investigate the potentials of applying the coded caching paradigm in wireless networks. In order to do this, we investigate physical layer schemes for downlink transmission from a multiantenna transmitter to several cache-enabled users.…

Information Theory · Computer Science 2018-01-30 Seyed Pooya Shariatpanahi , Giuseppe Caire , Babak Hossein Khalaj

This paper considers wireless device-to-device (D2D) coded caching in a multiaccess network, where the users communicate with each other and each user can access multiple cache nodes. Access topologies derived from two combinatorial designs…

Information Theory · Computer Science 2026-01-21 Rashid Ummer N. T. , B. Sundar Rajan

Coded caching is used to reduce network congestion during peak hours. A single server is connected to a set of users through a bottleneck link, which generally is assumed to be error-free. During non-peak hours, all the users have full…

Information Theory · Computer Science 2017-12-22 Nujoom Sageer Karat , Anoop Thomas , B. Sundar Rajan

The single-chip crosspoint-queued (CQ) switch is a compact switching architecture that has all its buffers placed at the crosspoints of input and output lines. Scheduling is also performed inside the switching core, and does not rely on…

Networking and Internet Architecture · Computer Science 2014-03-11 Zizhong Cao , Shivendra S. Panwar

This work investigates the interplay of coded caching and spatial multiplexing in an overloaded Multiple-Input-Single-Output (MISO) Broadcast Channel (BC), i.e. a system where the number of users is greater than the number of transmitting…

Information Theory · Computer Science 2017-06-27 Enrico Piovano , Hamdi Joudeh , Bruno Clerckx

This paper investigates a setup consisting of multiple transmitters serving multiple cache-enabled clients through a linear network, which covers both wired and wireless transmission situations. We investigate decentralized coded caching…

Information Theory · Computer Science 2021-09-15 Mohammad Mahmoudi , Mohammad Javad Sojdeh , Seyed Pooya Shariatpanahi

Multi-antenna coded caching is known to combine a global caching gain that is proportional to the cumulative cache size found across the network, with an additional spatial multiplexing gain that stems from using multiple transmitting…

Information Theory · Computer Science 2021-10-12 MohammadJavad Salehi , Emanuele Parrinello , Seyed Pooya Shariatpanahi , Petros Elia , Antti Tölli

Emerging heterogeneous wireless architectures consist of a dense deployment of local-coverage wireless access points (APs) with high data rates, along with sparsely-distributed, large-coverage macro-cell base stations (BS). We design a…

Information Theory · Computer Science 2016-11-17 Jad Hachem , Nikhil Karamchandani , Suhas Diggavi

This work studies a well-known shared-cache coded caching scenario where each cache can serve an arbitrary number of users, analyzing the case where there is some knowledge about such number of users (i.e., the topology) during the content…

Information Theory · Computer Science 2023-02-21 Emanuele Parrinello , Antonio Bazco-Nogueras , Petros Elia

Coded distributed computing (CDC), proposed by Li \emph{et al.}, offers significant potential for reducing the communication load in MapReduce computing systems. In cascaded CDC with $K$ nodes, $N$ input files, and $Q$ output functions,…

Information Theory · Computer Science 2025-01-24 Mingming Zhang , Youlong Wu , Minquan Cheng , Dianhua Wu

Cache-aided coded content delivery is studied for devices with diverse quality-of-service (QoS) requirements, specified by a different average distortion target. The network consists of a server holding a database of independent contents,…

Information Theory · Computer Science 2018-02-08 Qianqian Yang , Deniz Gündüz

We consider load balancing problem in a cache network consisting of storage-enabled servers forming a distributed content delivery scenario. Previously proposed load balancing solutions cannot perfectly balance out requests among servers,…

Information Theory · Computer Science 2019-08-06 Mahdi Jafari Siavoshani , Farzad Parvaresh , Ali Pourmiri , Seyed Pooya Shariatpanahi

Coded distributed computing can alleviate the communication load by leveraging the redundant storage and computation resources with coding techniques in distributed computing. In this paper, we study a MapReduce-type distributed computing…

Information Theory · Computer Science 2023-01-11 Qifa Yan , Xiaohu Tang , Meixia Tao , Qin Huang

We consider a cache-aided interference network which consists of a library of $N$ files, $K_T$ transmitters and $K_R$ receivers (users), each equipped with a local cache of size $M_T$ and $M_R$ files respectively, and connected via a…

Information Theory · Computer Science 2020-08-18 Xiang Zhang , Nicholas Woolsey , Mingyue Ji

We consider a centralized caching network, where a server serves several groups of users, each having a common shared homogeneous fixed-size cache and requesting arbitrary multiple files. An existing coded prefetching scheme is employed…

Information Theory · Computer Science 2018-08-06 Haisheng Xu , Chen Gong , Xiaodong Wang