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There is an increase in usage of smaller cells or femtocells to improve performance and coverage of next-generation heterogeneous wireless networks (HetNets). However, the interference caused by femtocells to neighboring cells is a limiting…

Ultra network densification and Massive MIMO are considered major 5G enablers since they promise huge capacity gains by exploiting proximity, spectral and spatial reuse benefits. Both approaches rely on increasing the number of access…

网络与互联网体系结构 · 计算机科学 2015-04-10 Antonis G. Gotsis , Stelios Stefanatos , Angeliki Alexiou

In decentralized optimization over networks, synchronizing the updates of all nodes incurs significant communication overhead. For this reason, much of the recent literature has focused on the analysis and design of asynchronous…

This paper compares centralized and distributed methods to solve the power minimization problem with quality-of-service (QoS) constraints in the downlink (DL) of multi-cell Massive multiple-input multiple-output (MIMO) systems. In…

信息论 · 计算机科学 2018-02-21 Trinh Van Chien , Emil Björnson , Erik G. Larsson , Tuan Anh Le

In future cell-free (or cell-less) wireless networks, a large number of devices in a geographical area will be served simultaneously in non-orthogonal multiple access scenarios by a large number of distributed access points (APs), which…

信号处理 · 电气工程与系统科学 2020-02-25 Yasser Al-Eryani , Mohamed Akrout , Ekram Hossain

We study the problem of user-scheduling and resource allocation in distributed multi-user, multiple-input multiple-output (MIMO) networks implementing user-centric clustering and non-coherent transmission. We formulate a weighted sum-rate…

信息论 · 计算机科学 2021-02-08 Hussein A. Ammar , Raviraj Adve , Shahram Shahbazpanahi , Gary Boudreau , Kothapalli Srinivas

To support the newly introduced multimedia services with ultra-low latency and extensive computation requirements, resource-constrained end user devices should utilize the ubiquitous computing resources available at network edge for…

网络与互联网体系结构 · 计算机科学 2023-07-04 Fitsum Debebe Tilahun , Ameha Tsegaye Abebe , Chung G. Kang

In cellular networks, the densification of connected devices and base stations engender the ever-growing traffic intensity, and caching popular contents with smart management is a promising way to alleviate such consequences. Our research…

信息论 · 计算机科学 2021-03-25 Takehiro Ohashi

This paper considers a device-to-device (D2D) underlaid cellular network where an uplink cellular user communicates with the base station while multiple direct D2D links share the uplink spectrum. This paper proposes a random network model…

信息论 · 计算机科学 2013-11-21 Namyoon Lee , Xingqin Lin , Jeffrey G. Andrews , Robert W. Heath

The fifth-generation (5G) networks are expected to be able to satisfy users' different quality-of-service (QoS) requirements. Network slicing is a promising technology for 5G networks to provide services tailored for users' specific QoS…

信息论 · 计算机科学 2017-04-25 H. Zhang , N. Liu , X. Chu , K. Long , A. Aghvami , V. C. M. Leung

This paper proposes two nonlinear dynamics to solve constrained distributed optimization problem for resource allocation over a multi-agent network. In this setup, coupling constraint refers to resource-demand balance which is preserved at…

系统与控制 · 电气工程与系统科学 2023-10-30 Mohammadreza Doostmohammadian , Alireza Aghasi , Maria Vrakopoulou , Hamid R. Rabiee , Usman A. Khan , Themistoklis Charalambou

Intelligent wireless networks have long been expected to have self-configuration and self-optimization capabilities to adapt to various environments and demands. In this paper, we develop a novel distributed hierarchical deep reinforcement…

信号处理 · 电气工程与系统科学 2023-12-06 Kaiwen Yu , Chonghao Zhao , Gang Wu , Geoffrey Ye Li

We pose a novel cellular network planning problem, considering the use of renewable energy sources and a fundamentally new concept of energy balancing, and propose a novel algorithm to solve it. In terms of the network capital and…

新兴技术 · 计算机科学 2013-07-09 Meng Zheng , Przemysław Pawełczak , Sławomir Stańczak , Haibin Yu

The rapid increase in data traffic demand has overloaded existing cellular networks. Planned upgrades in the communication architecture (e.g. LTE), while helpful, are not expected to suffice to keep up with demand. As a result, extensive…

网络与互联网体系结构 · 计算机科学 2015-03-03 Pavlos Sermpezis , Luigi Vigneri , Thrasyvoulos Spyropoulos

This paper considers resource allocation to achieve max-min fairness in a selection-based orthogonal frequency division multiplexing network wherein source nodes are assisted by fixed decode-and-forward relays. The joint problem of…

信息论 · 计算机科学 2011-12-14 Kianoush Hosseini , Raviraj S. Adve

This paper introduces a novel approach to radio resource allocation in multi-cell wireless networks using a fully scalable multi-agent reinforcement learning (MARL) framework. A distributed method is developed where agents control…

多智能体系统 · 计算机科学 2024-09-19 Yiming Zhang , Dongning Guo

The core innovation in future 5G cellular networksnetwork slicing, aims at providing a flexible and efficient framework of network organization and resource management. The revolutionary network architecture based on slices, makes most of…

网络与互联网体系结构 · 计算机科学 2017-09-13 Bin Han , Shreya Tayade , Hans D. Schotten

This paper presents resource management techniques for allocating communication and computational resources in a distributed stream processing platform. The platform is designed to exploit the synergy of two classes of network connections…

分布式、并行与集群计算 · 计算机科学 2009-03-25 Shah Asaduzzaman , Muthucumaru Maheswaran

Motivated by a variety of applications in control engineering and information sciences, we study network resource allocation problems where the goal is to optimally allocate a fixed amount of resource over a network of nodes. In these…

最优化与控制 · 数学 2017-08-25 Thinh T. Doan , Carolyn L. Beck

This work poses a distributed multi-resource allocation scheme for minimizing the weighted sum of latency and energy consumption in the on-device distributed federated learning (FL) system. Each mobile device in the system engages the model…

系统与控制 · 电气工程与系统科学 2022-11-02 Yulan Gao , Ziqiang Ye , Han Yu , Zehui Xiong , Yue Xiao , Dusit Niyato