English
Related papers

Related papers: Cache-Aided Full-Duplex Small Cells

200 papers

Cache-aided coded multicast leverages side information at wireless edge caches to efficiently serve multiple unicast demands via common multicast transmissions, leading to load reductions that are proportional to the aggregate cache size.…

Information Theory · Computer Science 2018-06-14 Parisa Hassanzadeh , Antonia M. Tulino , Jaime Llorca , Elza Erkip

Caching has been successfully applied in wired networks, in the context of Content Distribution Networks (CDNs), and is quickly gaining ground for wireless systems. Storing popular content at the edge of the network (e.g. at small cells) is…

Networking and Internet Architecture · Computer Science 2018-05-18 Theodoros Giannakas , Pavlos Sermpezis , Thrasyvoulos Spyropoulos

Caching popular content at mobile devices, accompanied by device-to-device (D2D) communications, is one promising technology for effective mobile content delivery. User mobility is an important factor when investigating such networks, which…

Information Theory · Computer Science 2018-06-12 Rui Wang , Jun Zhang , S. H. Song , Khaled B. Letaief

Coded caching (CC) schemes exploit the cumulative cache memory of network users, outperforming traditional uncoded schemes where cache contents are only used locally. Interestingly, this CC gain can also be combined with the spatial…

Information Theory · Computer Science 2023-12-08 Kagan Akcay , MohammadJavad Salehi , Antti Tölli , Giuseppe Caire

Carrier aggregation (CA) and small cells are two distinct features of next-generation cellular networks. Cellular networks with small cells take on a very heterogeneous characteristic, and are often referred to as HetNets. In this paper, we…

Information Theory · Computer Science 2016-11-17 Xingqin Lin , Jeffrey G. Andrews , Amitava Ghosh

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 reduce the latency of data delivery, one of techniques is to cache the popular contents at the base stations (BSs) i.e. edge caching. However, the technique of caching at edge can only reduce the backhaul delay, other techniques…

Information Theory · Computer Science 2018-08-30 Tachporn Sanguanpuak , Sudarshan Guruacharya , Nandana Rajatheva , Matti Latva-aho

We propose a physical layer (PHY) caching scheme for wireless adhoc networks. The PHY caching exploits cache-assisted multihop gain and cache-induced dual-layer CoMP gain, which substantially improves the throughput of wireless adhoc…

Information Theory · Computer Science 2015-10-20 An Liu , Vincent Lau

This paper addresses the challenges of throughput optimization in wireless cache-aided cooperative networks. We propose an opportunistic cooperative probing and scheduling strategy for efficient content delivery. The strategy involves the…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Zhou Zhang , Saman Atapattu , Yizhu Wang , Marco Di Renzo

The ever-growing end user data demands, and the simultaneous reductions in memory costs are fueling edge-caching deployments. Caching at the edge is substantially different from that at the core and needs to take into account the nature of…

Networking and Internet Architecture · Computer Science 2023-10-24 Guocong Quan , Atilla Eryilmaz , Ness Shroff

Performance evaluation of caching systems is an old and widely investigated research topic. The research community is once again actively working on this topic because the Internet is evolving towards new transfer modes, which envisage to…

Networking and Internet Architecture · Computer Science 2013-09-04 G. Bianchi , N. Blefari Melazzi , A. Caponi , A. Detti

We consider a wireless device-to-device (D2D) caching network where n nodes are placed on a regular grid of area A(n). Each node caches L_C*F (coded) bits from a library of size L*F bits, where L is the number of files and F is the size of…

Information Theory · Computer Science 2016-12-23 An Liu , Vincent Lau , Giuseppe Caire

In this paper, we devise the optimal caching placement to maximize the offloading probability for a two-tier wireless caching system, where the helpers and a part of users have caching ability. The offloading comes from the local caching,…

Information Theory · Computer Science 2015-11-04 Jun Rao , Hao Feng , Chenchen Yang , Zhiyong Chen , Bin Xia

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

Cache-enabled device-to-device (D2D) networks turn memory of the devices at the network edge, such as smart phones and tablets, into bandwidth by enabling asynchronous content sharing directly between proximate devices. Limited storage…

Information Theory · Computer Science 2016-03-08 Mehrnaz Afshang , Harpreet S. Dhillon

In this paper, we investigate the optimal caching policy respectively maximizing the success probability and area spectral efficiency (ASE) in a cache-enabled heterogeneous network (HetNet) where a tier of multi-antenna macro base stations…

Information Theory · Computer Science 2017-05-01 Dong Liu , Chenyang Yang

Caching at mobile devices and leveraging device-to-device (D2D) communication are two promising approaches to support massive content delivery over wireless networks. The analysis of such D2D caching networks based on a physical…

Signal Processing · Electrical Eng. & Systems 2018-10-15 Ramy Amer , Hesham Elsawy , M. Majid Butt , Eduard A. Jorswieck , Mehdi Bennis , Nicola Marchetti

Increasing storage sizes and WiFi/Bluetooth capabilities of mobile devices have made them a good platform for opportunistic content sharing. In this work we propose a network model to study this in a setting with two characteristics: 1.…

Networking and Internet Architecture · Computer Science 2014-09-25 Tiance Wang , Pan Hui , Sanjeev Kulkarni , Paul Cuff

Wireless information-centric networks consider storage as one of the network primitives, and propose to cache data within the network in order to improve latency and reduce bandwidth consumption. We study the throughput capacity and delay…

Networking and Internet Architecture · Computer Science 2015-05-01 Bita Azimdoost , Cedric Westphal , Hamid R. Sadjadpour

This paper investigates the cross-layer optimization of fast video delivery and caching for minimization of the overall video delivery time in a two-hop relaying network. The half-duplex relay nodes are equipped with both a cache and a…

Information Theory · Computer Science 2015-11-18 Lin Xiang , Derrick Wing Kwan Ng , Toufiqul Islam , Robert Schober , Vincent W. S. Wong
‹ Prev 1 8 9 10 Next ›