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The correlation among the content distributed across a cache-aided broadcast network can be exploited to reduce the delivery load on the shared wireless link. This paper considers a two-user three-file network with correlated content, and…

信息论 · 计算机科学 2017-12-06 Parisa Hassanzadeh , Antonia M. Tulino , Jaime Llorca , Elza Erkip

This paper provides a numerical framework for computing the achievable rate region of memoryless multiple access channel (MAC) with a continuous alphabet from data. In particular, we use recent results on variational lower bounds on mutual…

信息论 · 计算机科学 2021-11-30 Farhad Mirkarimi , Nariman Farsad

Caching is a commonly used technique in content-delivery networks which aims to deliver information from hosting servers to users in the most efficient way. In 2014, Maddah-Ali and Niessen formulated caching into a formal information…

信息论 · 计算机科学 2020-02-27 Tai Do Duc , Shuo Shao , Chaoping Xing

We consider a coded caching problem with multiple demands under a privacy constraint. In this problem, a server with access to \(N\) files serves \(K\) users over a shared link, and each user requests \(L\) distinct files. The privacy…

信息论 · 计算机科学 2026-04-17 Qinyi Lu , Nan Liu , Wei Kang

The multiaccess coded caching (MACC) system, as formulated by Hachem {\it et al.}, consists of a central server with a library of $N$ files, connected to $K$ cache-less users via an error-free shared link, and $K$ cache nodes, each equipped…

信息论 · 计算机科学 2026-01-19 Wenbo Huang , Minquan Cheng , Kai Wan , Xiaojun Li , Robert Caiming Qiu , Giuseppe Caire

We consider a system comprising a library of $N$ files (e.g., movies) and a wireless network with $K_T$ transmitters, each equipped with a local cache of size of $M_T$ files, and $K_R$ receivers, each equipped with a local cache of size of…

信息论 · 计算机科学 2016-11-17 Navid Naderializadeh , Mohammad Ali Maddah-Ali , A. Salman Avestimehr

We study the problem of finding $K$ collision pairs in a random function $f : [N] \rightarrow [N]$ by using a quantum computer. We prove that the number of queries to the function in the quantum random oracle model must increase…

量子物理 · 物理学 2023-06-27 Yassine Hamoudi , Frédéric Magniez

In this paper, we consider a cache-aided relay network, where a single server consisting of a library of N files connects with K1 relays through a shared noiseless link, and each relay connects with K2 users through a shared noiseless link.…

信息论 · 计算机科学 2020-10-20 Ke Wang , Youlong Wu , Shujie Cao , Jiahui Chen

Multishot network coding is considered in a worst-case adversarial setting in which an omniscient adversary with unbounded computational resources may inject erroneous packets in up to $t$ links, erase up to $\rho$ packets, and wire-tap up…

信息论 · 计算机科学 2019-04-18 Umberto Martínez-Peñas , Frank R. Kschischang

In the index coding problem, introduced by Birk and Kol (INFOCOM, 1998), the goal is to broadcast an n bit word to n receivers (one bit per receiver), where the receivers have side information represented by a graph G. The objective is to…

数据结构与算法 · 计算机科学 2015-03-19 Eden Chlamtac , Ishay Haviv

We introduce a new measure of information-theoretic secrecy based on rate-distortion theory and study it in the context of the Shannon cipher system. Whereas rate-distortion theory is traditionally concerned with a single reconstruction…

信息论 · 计算机科学 2014-11-25 Curt Schieler , Paul Cuff

Recurrent neural networks have achieved excellent performance in many applications. However, on portable devices with limited resources, the models are often too large to deploy. For applications on the server with large scale concurrent…

机器学习 · 计算机科学 2018-02-02 Chen Xu , Jianqiang Yao , Zhouchen Lin , Wenwu Ou , Yuanbin Cao , Zhirong Wang , Hongbin Zha

Intersecting codes are a classical object in coding theory whose rank-metric analogue has recently been introduced. Although the definition formally parallels the Hamming-metric case, the structure and parameter constraints of rank-metric…

信息论 · 计算机科学 2026-04-03 Martino Borello , Olga Polverino , Ferdinando Zullo

In this paper, we revisit the problem of finding the longest systematic-length $k$ for a linear minimum storage regenerating (MSR) code with optimal repair of only systematic part, for a given per-node storage capacity $l$ and an arbitrary…

信息论 · 计算机科学 2018-07-06 Kun Huang , Udaya Parampalli , Ming Xian

We consider load balancing in a network of caching servers delivering contents to end users. Randomized load balancing via the so-called power of two choices is a well-known approach in parallel and distributed systems. In this framework,…

信息论 · 计算机科学 2017-07-03 Mahdi Jafari Siavoshani , Ali Pourmiri , Seyed Pooya Shariatpanahi

Biological and machine pattern recognition systems face a common challenge: Given sensory data about an unknown object, classify the object by comparing the sensory data with a library of internal representations stored in memory. In many…

信息论 · 计算机科学 2007-07-13 M. Brandon Westover , Joseph A. O'Sullivan

Advances in storage technology have introduced Non-Volatile Memory, NVM, as a new storage medium. NVM, along with Dynamic Random Access Memory (DRAM), Solid State Disk (SSD), and Disk present a system designer with a wide array of options…

数据库 · 计算机科学 2025-06-06 Shahram Ghandeharizadeh , Sandy Irani , Jenny Lam

In this paper, we revisit the communication vs. distributed computing trade-off, studied within the framework of MapReduce in [1]. An implicit assumption in the aforementioned work is that each server performs all possible computations on…

信息论 · 计算机科学 2017-05-26 Yahya H. Ezzeldin , Mohammed Karmoose , Christina Fragouli

We consider a MapReduce-like distributed computing system. We derive a lower bound on the communication cost for any given storage and computation costs. This lower bound matches the achievable bound we proposed recently. As a result, we…

信息论 · 计算机科学 2020-01-23 Qifa Yan , Sheng Yang , Michèle Wigger

Consider a control problem with a communication channel connecting the observer of a linear stochastic system to the controller. The goal of the controller is to minimize a quadratic cost function in the state variables and control signal,…

信息论 · 计算机科学 2018-11-27 Victoria Kostina , Babak Hassibi