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We develop a flexible and accurate framework for device-to-device (D2D) communication in the context of a conventional cellular network, which allows for time-frequency resources to be either shared or orthogonally partitioned between the…

信息论 · 计算机科学 2014-05-08 Qiaoyang Ye , Mazin Al-Shalash , Constantine Caramanis , Jeffrey G. Andrews

Device-to-device (D2D) communication has huge potential for capacity and coverage enhancements for next generation cellular networks. The number of potential nodes for D2D communication is an important parameter that directly impacts the…

Server deployment is a fundamental task in mobile edge computing: where to place the edge servers and what user cells to assign to them. To make this decision is context-specific, but common goals are 1) computing efficiency: maximize the…

分布式、并行与集群计算 · 计算机科学 2025-12-17 Duc A. Tran , Dung Truong , Duy Le

Most recent works in device-to-device (D2D) underlay communications focus on the optimization of either power or channel allocation to improve the spectral efficiency, and typically consider uplink and downlink separately. Further, several…

信号处理 · 电气工程与系统科学 2026-04-07 Mohamed Elnourani , Siddharth Deshmukh , Baltasar Beferull-Lozano , Daniel Romero

In the future standardization of the 5G networks, in Long Term Evolution (LTE) Release 13 and beyond, Device-to-Device communications (D2D) is recognized as one of the key technologies that will support the 5G architecture. In fact, D2D can…

网络与互联网体系结构 · 计算机科学 2015-10-07 Leonardo Militano , Antonino Orsino , Giuseppe Araniti , Antonella Molinaro , Antonio Iera , Li Wang

Wireless network virtualization and information-centric networking (ICN) are two promising technologies for next generation wireless networks. Although some excellent works have focused on these two technologies, device-to-device (D2D)…

网络与互联网体系结构 · 计算机科学 2016-12-26 Kan Wang , F. Richard Yu , Hongyan Li , Zhengquan Li

Sparse code multiple access (SCMA) is the most concerning scheme among non-orthogonal multiple access (NOMA) technologies for 5G wireless communication new interface. Another efficient technique in 5G aimed to improve spectral efficiency…

信息论 · 计算机科学 2022-09-22 Yukai Liu , Wen Chen

Computation task service delivery in a computing-enabled and caching-aided multi-user mobile edge computing (MEC) system is studied in this paper, where a MEC server can deliver the input or output datas of tasks to mobile devices over a…

信息论 · 计算机科学 2018-07-17 Yaping Sun , Zhiyong Chen , Meixia Tao , Hui Liu

The introduction of device-to-device (D2D) into cellular networks poses many new challenges in the resource allocation design due to the co-channel interference caused by spectrum reuse and limited battery life of user equipments (UEs). In…

网络与互联网体系结构 · 计算机科学 2016-11-17 Zhenyu Zhou , Mianxiong Dong , Kaoru Ota , Jun Wu , Takuro Sato

We consider the caching of content in the mobile devices in a dense wireless network using maximum distance separable (MDS) codes. We focus on an area, served by a base station (BS), where mobile devices move around according to a random…

信息论 · 计算机科学 2018-11-01 Jesper Pedersen , Alexandre Graell i Amat , Iryna Andriyanova , Fredrik Brännström

We study the decentralized caching scheme in a two-layer network, which includes a sever, multiple helpers, and multiple users. Basically, the proposed caching scheme consists of two phases, i.e, placement phase and delivery phase. In the…

信息论 · 计算机科学 2018-10-12 Lin Zhang , Zhao Wang , Ming Xiao , Gang Wu , Ying-Chaang Liang , Shaoqian Li

This paper considers a cache-aided device-to-device (D2D) system where the users are equipped with cache memories of different size. During low traffic hours, a server places content in the users' cache memories, knowing that the files…

信息论 · 计算机科学 2019-03-20 Abdelrahman M. Ibrahim , Ahmed A. Zewail , Aylin Yener

Next-generation communication networks are envisioned to extensively utilize storage-enabled caching units to alleviate unfavorable surges of data traffic by pro-actively storing anticipated highly popular contents across geographically…

网络与互联网体系结构 · 计算机科学 2019-02-20 Alireza Sadeghi , Antonio G. Marques , Georgios B. Giannakis

Device-to-device (D2D) communications recently have attracted much attention for its potential capability to improve spectral efficiency underlaying the existing heterogeneous networks (HetNets). Due to no sophisticated control, D2D user…

信息论 · 计算机科学 2017-09-18 Kecheng Zhang , Mugen Peng , Ping Zhang , Xuelong Li

We study optimal geographic content placement for device-to-device (D2D) networks in which each file's popularity follows the Zipf distribution. The locations of the D2D users (caches) are modeled by a Poisson point process (PPP) and have…

信息论 · 计算机科学 2017-10-04 Derya Malak , Mazin Al-Shalash , Jeffrey G. Andrews

Edge caching and computing have been regarded as an efficient approach to tackle the wireless spectrum crunch problem. In this paper, we design a general coded caching with device computing strategy for content computation, e.g., virtual…

信息论 · 计算机科学 2020-02-17 Yingjiao Li , Zhiyong Chen , Meixia Tao

Coded caching is effective in leveraging the accumulated storage size in wireless networks by distributing different coded segments of each file in multiple cache nodes. This paper aims to find a wireless coded caching policy to minimize…

信号处理 · 电气工程与系统科学 2020-10-20 Zhe Zhang , Meixia Tao

A large-scale content-centric mobile ad hoc network employing subpacketization is studied in which each mobile node having finite-size cache moves according to the reshuffling mobility model and requests a content object from the library…

信息论 · 计算机科学 2018-04-23 Adeel Malik , Sung Hoon Lim , Won-Yong Shin

This paper considers peer-to-peer scheduling for a network with multiple wireless devices. A subset of the devices are mobile users that desire specific files. Each user may already have certain popular files in its cache. The remaining…

网络与互联网体系结构 · 计算机科学 2012-02-22 Michael J. Neely

Motivated by increasing popularity of delay sensitive applications, we investigate the queue stability in device-to-device (D2D) relay-assisted cellular networks. In contrast to prior works on D2D relay-assisted cellular networks, we…

网络与互联网体系结构 · 计算机科学 2024-10-30 Soubhik Deb , Prasanna Chaporkar , Abhay Karandikar