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相关论文: Cache-enabled Device-to-Device Communications: Off…

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We consider a cache-aided wireless device-to-device (D2D) network under the constraint of one-shot delivery, where the placement phase is orchestrated by a central server. We assume that the devices' caches are filled with uncoded data, and…

信息论 · 计算机科学 2021-06-15 Çağkan Yapar , Kai Wan , Rafael F. Schaefer , Giuseppe Caire

In this paper, we study the resource allocation problem for a cooperative device-to-device (D2D)-enabled wireless caching network, where each user randomly caches popular contents to its memory and shares the contents with nearby users…

信息论 · 计算机科学 2018-08-22 Jiaqi Liu , Shengjie Guo , Sa Xiao , Miao Pan , Xiangwei Zhou , Geoffrey Ye Li , Gang Wu , Shaoqian Li

Caching at mobile devices and leveraging cooperative device-to-device (D2D) communications are two promising approaches to support massive content delivery over wireless networks while mitigating the effects of interference. To show the…

信息论 · 计算机科学 2020-05-13 Ramy Amer , Hesham ElSawy , Jacek Kibiłda , M. Majid Butt , Nicola Marchetti

Cache-aided wireless device-to-device (D2D) networks allow significant throughput increase, depending on the concentration of the popularity distribution of files. Many studies assume that all users have the same preference distribution;…

网络与互联网体系结构 · 计算机科学 2020-05-18 Ming-Chun Lee , Andreas F. Molisch

Computation offloading via device-to-device (D2D) communication, or D2D offloading, has recently been proposed to enhance mobile computing performance by exploiting spare computing resources of nearby user devices. The success of D2D…

计算机科学与博弈论 · 计算机科学 2017-09-25 Jie Xu , Lixing Chen , Kun Liu , Cong Shen

This paper studies device to device (D2D) coded-caching with information theoretic security guarantees. A broadcast network consisting of a server, which has a library of files, and end users equipped with cache memories, is considered.…

信息论 · 计算机科学 2019-05-06 Ahmed A. Zewail , Aylin Yener

As an alternative to downloading content from a cellular access network, mobile devices could be used to store data files and distribute them through device-to-device (D2D) communication. We consider a D2D-based storage community that is…

网络与互联网体系结构 · 计算机科学 2013-09-25 J. Pääkkönen , C. Hollanti , O. Tirkkonen

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

信息论 · 计算机科学 2020-03-10 Ramy Amer , M. Majid Butt , Nicola Marchetti

With the increase in mobile traffic and the bandwidth demand, Device-to-Device (D2D) communication underlaying Long Term Evolution (LTE) networks has gained tremendous interest by the researchers, cellular operators and equipment…

网络与互联网体系结构 · 计算机科学 2016-12-12 Bighnaraj Panigrahi , Rashmi Ramamohan , Hemant Kumar Rath , Anantha Simha

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,…

信息论 · 计算机科学 2015-11-04 Jun Rao , Hao Feng , Chenchen Yang , Zhiyong Chen , Bin Xia

Task offloading is a key component in mobile edge computing. Offloading a task to a remote server takes communication and networking resources. An alternative is device-todevice (D2D) offloading, where a task of a device is offloaded to…

分布式、并行与集群计算 · 计算机科学 2019-01-10 Ghafour Ahani , Di Yuan

We consider a distributed caching device-to-device (D2D) network in which a user's file of interest is cached as several portions in the storage of other devices in the network. Assuming that the user needs to obtain all these file…

信息论 · 计算机科学 2017-01-17 Shankar Krishnan , Harpreet S. Dhillon

We formulate and solve the energy minimization problem for a clustered device-to-device (D2D) network with cache-enabled mobile devices. Devices are distributed according to a Poisson cluster process (PCP) and are assumed to have a surplus…

分布式、并行与集群计算 · 计算机科学 2018-08-10 Ramy Amer , M. Majid Butt , Hesham ElSawy , Mehdi Bennis , Jacek Kibiłda , Nicola Marchetti

Device-to-device (D2D) communication underlaying cellular networks is expected to bring significant benefits for utilizing resources, improving user throughput and extending battery life of user equipments. However, the allocation of radio…

网络与互联网体系结构 · 计算机科学 2016-11-15 Feiran Wang , Chen Xu , Lingyang Song , Zhu Han

The fifth generation wireless networks must provide fast and reliable connectivity while coping with the ongoing traffic growth. It is of paramount importance that the required resources, such as energy and bandwidth, do not scale with…

信息论 · 计算机科学 2016-11-17 Maria Gregori , Jesús Gómez-Vilardebó , Javier Matamoros , Deniz Gündüz

Device-to-device(D2D) underlaying communication brings great benefits to the cellular networks from the improvement of coverage and spectral efficiency at the expense of complicated transceiver design. With frequency spectrum sharing mode,…

信息论 · 计算机科学 2013-07-02 Jialiang Zhang , Gang Wu , Wenhui Xiong , Zhi Chen , Shaoqian Li

The backhaul traffic is becoming a major concern in wireless and cellular networks (e.g., 4G-LTE and 5G) with the increasing demands for online video streaming. Caching the popular content in the cache memory of the network users (e.g.,…

信息论 · 计算机科学 2017-09-20 Ali Tebbi , Chi Wan Sung

We study an one-hop device-to-device (D2D) assisted wireless caching network, where popular files are randomly and independently cached in the memory of end-users. Each user may obtain the requested files from its own memory without any…

信息论 · 计算机科学 2015-12-18 Lin Zhang , Ming Xiao , Gang Wu , Shaoqian Li

Mobile Edge Caching is a promising technique to enhance the content delivery quality and reduce the backhaul link congestion, by storing popular content at the network edge or mobile devices (e.g. base stations and smartphones) that are…

计算机科学与博弈论 · 计算机科学 2021-09-15 Mingyu Li , Changkun Jiang , Lin Gao , Tong Wang , Yufei Jiang

Device-to-device (D2D) communication is a promising approach to optimize the utilization of air interface resources in 5G networks, since it allows decentralized opportunistic short-range communication. For D2D to be useful, mobile nodes…

信息论 · 计算机科学 2016-11-15 Derya Malak , Mazin Al-Shalash , Jeffrey G. Andrews