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Inrecent time a rapid increase in the number of smart devices and user applications have generated an intensity volume of data traffic from/to a cellular network. So the Long Term Evaluation(LTE)network is facing some issuesdifficulties…

Multimedia · Computer Science 2025-03-20 Md. Zahurul Haque , Md. Rafiqul Isla

Traffic load-balancing in datacenters alleviates hot spots and improves network utilization. In this paper, a stable in-network load-balancing algorithm is developed in the setting of software-defined networking. A control plane configures…

Networking and Internet Architecture · Computer Science 2016-12-07 Sucha Supittayapornpong , Michael J. Neely

A large-scale distributed antenna system that serves the users by coherent joint transmission is called Cell-free Massive MIMO (multiple input multiple output). For a given user set, only a subset of the access points (APs) is likely needed…

Information Theory · Computer Science 2019-11-27 Trinh Van Chien , Emil Björnson , Erik G. Larsson

Mixture-of-Experts (MoE) models are typically pre-trained with explicit load-balancing constraints to ensure statistically balanced expert routing. Despite this, we observe that even well-trained MoE models exhibit significantly imbalanced…

Machine Learning · Computer Science 2026-01-27 Xuan-Phi Nguyen , Shrey Pandit , Austin Xu , Caiming Xiong , Shafiq Joty

Federated learning (FL) is a popular collaborative distributed machine learning paradigm across mobile devices. However, practical FL over resource constrained mobile devices confronts multiple challenges, e.g., the local on-device training…

Networking and Internet Architecture · Computer Science 2022-05-24 Rui Chen , Liang Li , Kaiping Xue , Chi Zhang , Miao Pan , Yuguang Fang

In a heterogeneous cellular network (HetNet) consisting of multiple different types (tiers) of base stations (BSs), the void cell event in which a BS does not have any users has been shown to exist due to user-centric BS association and its…

Information Theory · Computer Science 2018-08-07 Chun-Hung Liu , Chi-Sheng Hsu

Coordinated multi-point (CoMP) schemes have been widely studied in the recent years to tackle the inter-cell interference. In practice, latency and throughput constraints on the backhaul allow the organization of only small clusters of base…

Information Theory · Computer Science 2015-07-17 Paolo Baracca , Federico Boccardi , Nevio Benvenuto

Heterogeneous systems are present from powerful supercomputers, to mobile devices, including desktop computers, thanks to their excellent performance and energy consumption. The ubiquity of these architectures in both desktop systems and…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-27 Raúl Nozal , Jose Luis Bosque , Ramon Beivide

Deploying reconfigurable intelligent surface (RIS) to enhance wireless transmission is a promising approach. In this paper, we investigate large-scale multi-RIS-assisted multi-cell systems, where multiple RISs are deployed in each cell.…

Information Theory · Computer Science 2022-02-25 Zhanwei Yu , Di Yuan

Matching the demand for resources ("load") with the supply of resources ("capacity") is a basic problem occurring across many fields of engineering, logistics, and economics, and has been considered extensively both in the Internet and in…

Information Theory · Computer Science 2016-11-17 Jeffrey G. Andrews , Sarabjot Singh , Qiaoyang Ye , Xingqin Lin , Harpreet Dhillon

We provide a general framework for the problem of data offloading in a heterogeneous wireless network, where some demand of cellular users is served by a complementary network. The complementary network is either a small-cell network that…

Information Theory · Computer Science 2016-11-18 Chin Keong Ho , Di Yuan , Sumei Sun

In this paper, we study how to determine concurrent transmissions and the transmission power level of each link to maximize spectrum efficiency and minimize energy consumption in a wireless ad hoc network. The optimal joint transmission…

Networking and Internet Architecture · Computer Science 2017-06-20 Kamal Rahimi Malekshan , Weihua Zhuang

This work presents joint iterative power allocation and interference suppression algorithms for spread spectrum networks which employ multiple hops and the amplify-and-forward cooperation strategy for both the uplink and the downlink. We…

Information Theory · Computer Science 2013-01-03 Rodrigo C. de Lamare

In heterogeneous networks (HetNets), how to improve spectrum efficiency is a crucial issue. Meanwhile increased energy consumption inspires network operators to deploy renewable energy sources as assistance to traditional electricity. Based…

Networking and Internet Architecture · Computer Science 2020-06-16 Qiaoni Han , Bo Yang , Nan Song , Yuwei Li , Ping Wei

Heterogeneous cellular networks provide significant improvements in terms of increased data rates and cell coverage, and offer reduced user rate starvation. However, there are important problems to be solved. In this paper, we identify that…

Networking and Internet Architecture · Computer Science 2013-05-14 Kemal Davaslioglu , Ender Ayanoglu

In this paper, we investigate the downlink performance of a three-tier heterogeneous network (HetNet). The objective is to enhance the edge capacity of a macro cell by deploying unmanned aerial vehicles (UAVs) as flying base stations and…

Signal Processing · Electrical Eng. & Systems 2020-07-30 S. T. Muntaha , S. A. Hassan , H. Jung , M. S. Hossain

In this paper, joint resource allocation and power control for energy efficient device-to-device (D2D) communications underlaying cellular networks are investigated. The resource and power are optimized for maximization of the energy…

Information Theory · Computer Science 2017-03-22 Yanxiang Jiang , Qiang Liu , Fuchun Zheng , Xiqi Gao , Xiaohu You

The proliferation of innovative mobile services such as augmented reality, networked gaming, and autonomous driving has spurred a growing need for low-latency access to computing resources that cannot be met solely by existing centralized…

Networking and Internet Architecture · Computer Science 2019-01-28 Konstantinos Poularakis , Jaime Llorca , Antonia M. Tulino , Ian Taylor , Leandros Tassiulas

The integration of mobile edge computing (MEC) and wireless power transfer (WPT) technologies has recently emerged as an effective solution for extending battery life and increasing the computing power of wireless devices. In this paper, we…

Networking and Internet Architecture · Computer Science 2020-02-25 Yuegui Chen , Suzhi Bi , Xian Li , Xiaohui Lin , Hui Wang

Due to the limited generation and finite inertia, microgrid suffers from the large frequency and voltage deviation which can lead to system collapse. Thus, reliable load shedding to keep frequency stable is required. Wireless network,…

Systems and Control · Computer Science 2018-07-24 Qimin Xu , Bo Yang , Cailian Chen , Feilong Lin , Xinping Guan