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Caching is a promising solution to satisfy the ongoing explosive demands for multi-media traffics. Recently, Maddah-Ali and Niesen proposed both centralized and de-centralized coded caching schemes, which are able to attain significant…

Information Theory · Computer Science 2017-08-02 Qifa Yan , Xiaohu Tang , Qingchun Chen

This paper proposes a scalable and resilient real-time multi-party communication architecture for the delivery of mixed media streams, for which content centric networking, with its intelligent network layer, is chosen for implementation to…

Networking and Internet Architecture · Computer Science 2017-03-10 Asit Chakraborti , Syed Obaid Amin , Aytac Azgin , Ravishankar Ravindran , Guo-Qiang Wang

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 studies the performance of cache-enabled dense small cell networks consisting of multi-antenna sub-6 GHz and millimeter-wave base stations. Different from the existing works which only consider a single antenna at each base…

Networking and Internet Architecture · Computer Science 2018-01-18 Yongxu Zhu , Gan Zheng , Lifeng Wang , Kai-Kit Wong , Liqiang Zhao

Internet usage has shifted from host-centric end-to-end communication to a content-centric approach mainly used for content delivery. Information Centric Networking (ICN) was proposed as a promising novel content delivery architecture. ICN…

Networking and Internet Architecture · Computer Science 2016-06-27 César Bernardini , Thomas Silverston , Athanasios Vasilakos

This paper provides details about experiments in realistic, urban, and frequency flat channels with space-time coding that specifically examines the impact of the number of receive antennas and the design criteria for code selection on the…

Information Theory · Computer Science 2007-07-13 Weijun Zhu , Heechoon Lee , Daniel Liu , Michael P. Fitz

In this paper, we study the coded caching scheme for the $(L, K, M, N)$ multi-user information retrieval (MIR) system, which consists of a content library containing $N$ files, a base station (BS) with $L$ antennas that cannot access the…

Information Theory · Computer Science 2025-01-23 Junyi Wang , Quan Zang , Jinyu Wang , Minquan Cheng

Coded caching scheme provides us an effective framework to realize additional coded multicasting gain by exploiting coding into multiple transmitted signals. The goal of coded caching design is to jointly optimize the placement and delivery…

Information Theory · Computer Science 2019-06-21 Qiaoling Zhang , Lei Zheng , Minquan Cheng , Qingchun Chen

Sophisticated antenna technologies are constantly evolving to meet the escalating data demands projected for 6G and future networks. The characterization of these emerging antenna systems poses challenges that necessitate a reevaluation of…

Signal Processing · Electrical Eng. & Systems 2023-08-22 Chandan Kumar Sheemar , Jorge Querol , Symeon Chatzinotas

To address the exponentially rising demand for wireless content, use of caching is emerging as a potential solution. It has been recently established that joint design of content delivery and storage (coded caching) can significantly…

Information Theory · Computer Science 2016-01-01 Jad Hachem , Nikhil Karamchandani , Suhas Diggavi

The theoretic capacity of a communication system constituted of several transmitting/receiving elements is determined by the singular values of its transfer matrix. Results based on an independent identically distributed channel model,…

Mathematical Physics · Physics 2012-09-27 François Bentosela , Eric Soccorsi

Efficient heterogeneous communication technologies are critical components to provide flawless connectivity in smart cities. The proliferation of wireless technologies, services and communication devices has created the need for green and…

Information Theory · Computer Science 2017-10-13 Vaibhav Kumar , Barry Cardiff , Mark F. Flanagan

Analog Network Coding (ANC) is proposed in literature to improve the network throughput by exploiting channel diversity. In practical scenarios, due to the difference in channel characteristics, an extra residual component, termed as ANC…

Networking and Internet Architecture · Computer Science 2017-08-23 Sam Darshi , Samar Shailendra

Caching is popular technique in content delivery networks that allows for reductions in transmission rates from the content-hosting server to the end users. Coded caching is a generalization of conventional caching that considers the…

Information Theory · Computer Science 2016-07-28 Li Tang , Aditya Ramamoorthy

Coded caching is able to exploit accumulated cache size and hence superior to uncoded caching by distributing different fractions of a file in different nodes. This work investigates coded caching in a large-scale small-cell network (SCN)…

Information Theory · Computer Science 2017-03-31 Xuejian Xu , Meixia Tao

Information Centric Networking (ICN) is a new network architecture (Internet) that focuses on content rather than the end-hosts. Named Data Networking (NDN) is a specific implementation of ICN, which relies on the use of named data and a…

Networking and Internet Architecture · Computer Science 2026-05-14 Pankaj Chaudhary , Neminath Hubballi , Sameer G. Kulkarni

This paper examines the integration of vector coded caching (VCC) into multi-beam satellite communications (SATCOM) systems and demonstrates that even limited receiver-side caching can substantially enhance spectral efficiency. By…

Information Theory · Computer Science 2026-01-13 Hui Zhao , Dirk Slock , Petros Elia

This paper investigates a multi-antenna cache-enabled network with interference nulling (IN) employed at base stations. Two IN schemes, namely, the fixed IN scheme and the flexible IN scheme are considered to improve the received…

Information Theory · Computer Science 2024-03-05 Tianming Feng , Chenyu Wu , Xiaodong Zheng , Peilin Chen , Yilong Liu , Shuai Han

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…

Information Theory · Computer Science 2009-02-18 Yingda Chen , Shalinee Kishore

We investigate the constrained capacity of multiple-antenna fading coherent channels, where the receiver knows the channel state but the transmitter knows only the channel distribution, driven by arbitrary equiprobable discrete inputs in a…

Information Theory · Computer Science 2012-10-26 Miguel Rodrigues