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To mitigate computational power gap between the network core and edges, mobile edge computing (MEC) is poised to play a fundamental role in future generations of wireless networks. In this letter, we consider a non-orthogonal multiple…

信息论 · 计算机科学 2023-10-16 Vaibhav Kumar , Muhammad Fainan Hanif , Markku Juntti , Le-Nam Tran

Mobile-edge computation offloading (MECO) offloads intensive mobile computation to clouds located at the edges of cellular networks. Thereby, MECO is envisioned as a promising technique for prolonging the battery lives and enhancing the…

信息论 · 计算机科学 2016-04-12 Changsheng You , Kaibin Huang

The heterogeneous cellular networks (HCNs) with device-to-device (D2D) communications have been a promising solution to cost-efficient delivery of high data rates. A key challenge in such D2D-enabled HCNs is how to design an effective…

信息论 · 计算机科学 2015-12-15 Tianqing Zhou , Yongming Huang , Luxi Yang

In this paper, we study the resource allocation algorithm design for multiuser orthogonal frequency division multiplexing (OFDM) downlink systems with simultaneous wireless information and power transfer. The algorithm design is formulated…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

Tremendous growing demand for high data rate services such as video, gaming and social networking in wireless cellular systems, attracted researchers' attention to focus on developing proximity services. In this regard, device-to-device…

网络与互联网体系结构 · 计算机科学 2017-08-28 Mansour Naslcheraghi , Leila Marandi , Seyed Ali Ghorashi

Mobile-edge computation offloading (MECO) offloads intensive mobile computation to clouds located at the edges of cellular networks. Thereby, MECO is envisioned as a promising technique for prolonging the battery lives and enhancing the…

信息论 · 计算机科学 2016-11-29 Changsheng You , Kaibin Huang , Hyukjin Chae , Byoung-Hoon Kim

Heterogeneous cellular networks (HCNs) with millimeter wave (mm-wave) communications are considered as a promising technology for the fifth generation mobile networks. Mm-wave has the potential to provide multiple gigabit data rate due to…

网络与互联网体系结构 · 计算机科学 2019-03-07 Yali Chen , Bo Ai , Yong Niu , Ruisi He , Zhangdui Zhong , Zhu Han

Channel estimation and beamforming play critical roles in frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems. However, these two modules have been treated as two stand-alone components, which makes it…

信号处理 · 电气工程与系统科学 2021-08-04 Yifan Ma , Yifei Shen , Xianghao Yu , Jun Zhang , S. H. Song , Khaled B. Letaief

The growth in wireless traffic and mobility of devices have congested the core network significantly. This bottleneck, along with spectrum scarcity, made the conventional cellular networks insufficient for the dissemination of large…

网络与互联网体系结构 · 计算机科学 2021-04-13 Niloofar Bahadori , Mahmoud Nabil , Brian Kelley , Abdollah Homaifar

The main challenges in designing downlink coordinated multicast beamforming in massive multiple-input multiple output (MIMO) cellular networks are the complex computational solutions and significant fronthaul overhead for centralized…

信号处理 · 电气工程与系统科学 2025-02-20 Shiqi Yin , Min Dong

Mobile edge learning is an emerging technique that enables distributed edge devices to collaborate in training shared machine learning models by exploiting their local data samples and communication and computation resources. To deal with…

信号处理 · 电气工程与系统科学 2020-01-31 Xiaoran Cai , Xiaopeng Mo , Junyang Chen , Jie Xu

Cache-enabled Device-to-Device (D2D) communication is widely recognized as one of the key components of the emerging fifth generation (5G) cellular network architecture. However, conventional half-duplex (HD) transmission may not be…

信息论 · 计算机科学 2018-02-08 Mansour Naslcheraghi , Mehrnaz Afshang , Harpreet S. Dhillon

Reconfigurable intelligent surface (RIS) is a new and revolutionary technology to achieve spectrum-, energy- and cost-efficient wireless networks. This paper studies the resource allocation for RIS-empowered device-to-device (D2D)…

信息论 · 计算机科学 2020-07-21 Gang Yang , Yating Liao , Ying-Chang Liang , Olav Tirkkonen

In this paper, we propose a novel resource management scheme that jointly allocates the transmit power and computational resources in a centralized radio access network architecture. The network comprises a set of computing nodes to which…

网络与互联网体系结构 · 计算机科学 2021-06-24 Mohsen Tajallifar , Sina Ebrahimi , Mohammad Reza Javan , Nader Mokari , Luca Chiaraviglio

Device-to-device (D2D) communication enables us to spread information in the local area without infrastructure support. In this paper, we focus on information spreading in mobile wireless networks where all nodes move around. The source…

网络与互联网体系结构 · 计算机科学 2014-06-04 Jinho Choi , Seung Min Yu , Seong-Lyun Kim

In this paper, we study the joint computation offloading and resource allocation problem in the two-tier wireless heterogeneous network (HetNet). Our design aims to optimize the computation offloading to the cloud jointly with the…

网络与互联网体系结构 · 计算机科学 2018-12-13 Nguyen Ti Ti , Long Bao Le

This work studies the role of inter-user device-to-device (D2D) cooperation for improving physical-layer secret communication in multi-user downlink systems. It is assumed that there are out-of-band D2D channels, on each of which a selected…

信号处理 · 电气工程与系统科学 2021-06-09 Seok-Hwan Park , Xianglan Jin

We propose a distributed algorithm, named Distributed Alternating Direction Method of Multipliers (D-ADMM), for solving separable optimization problems in networks of interconnected nodes or agents. In a separable optimization problem there…

最优化与控制 · 数学 2013-04-26 João F. C. Mota , João M. F. Xavier , Pedro M. Q. Aguiar , Markus Püschel

In this paper, we consider a cooperative device-todevice (D2D) communication system, where the D2D transmitters (DTs) act as relays to assist the densified cellular network users (CUs) for transmission quality of service (QoS) improvement.…

信息论 · 计算机科学 2020-12-08 Yiling Yuan , Tao Yang , Yulin Hu , Hui Feng , Bo Hu

In this work, an optimization-based inverse design method is provided for multi-input multi-output (MIMO) metastructured devices. Typically, optimization-based methods use a full-wave solver in conjunction with an optimization routine to…

应用物理 · 物理学 2024-10-28 Luke Szymanski , Gurkan Gok , Anthony Grbic