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Technological developments alongside VLSI achievements enable mobile devices to be equipped with multiple radio interfaces which is known as multihoming. On the other hand, the combination of various wireless access technologies, known as…

Networking and Internet Architecture · Computer Science 2017-01-06 Mehran Shoushtari Moghaddam , Naser Movahhedinia , Mohammad-Reza Khayyambashi , Faramarz Hendessi

Heterogeneous networks (HetNets) have strong interference due to spectrum reuse. This affects the signal-to-interference ratio (SIR) of each user, and hence is one of the limiting factors of network performance. However, in previous works,…

Information Theory · Computer Science 2015-04-27 Yueping Wu , Ying Cui , Bruno Clerckx

Optimizing power control in multi-cell cellular networks with deep learning enables such a non-convex problem to be implemented in real-time. When channels are time-varying, the deep neural networks (DNNs) need to be re-trained frequently,…

Machine Learning · Computer Science 2020-11-09 Jia Guo , Chenyang Yang

This article discusses the positive impact metro cell antennas with narrow vertical beamwidth and electrical downtilt can have on heterogeneous cellular networks. Using a model of random cell placement based on Poisson distribution, along…

Information Theory · Computer Science 2015-02-23 Xiao Li , Robert W. Heath , Kevin Linehan , Ray Butler

While network densification is considered an important solution to cater the ever-increasing capacity demand, its effect on the handover (HO) rate is overlooked. In dense 5G networks, HO delays may neutralize or even negate the gains…

Networking and Internet Architecture · Computer Science 2016-09-09 Rabe Arshad , Sameh Sorour , Hesham Elsawy , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

The prevalence of smartphone and consumer camera has led to more evidence in the form of digital images, which are mostly taken in uncontrolled and uncooperative environments. In these images, criminals likely hide or cover their faces…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Wojciech Michal Matkowski , Xiaojie Li , Adams Wai Kin Kong

We study, in this paper, the impact of imperfect small cell positioning with respect to traffic hotspots in cellular networks. In order to derive the throughput distribution in macro and small cells, we firstly perform static level analysis…

Networking and Internet Architecture · Computer Science 2016-08-04 Aymen Jaziri , Ridha Nasri , Tijani Chahed

A sophisticated hybrid quantum convolutional neural network (HQCNN) is conceived for handling the pilot assignment task in cell-free massive MIMO systems, while maximizing the total ergodic sum throughput. The existing model-based solutions…

Information Theory · Computer Science 2025-07-10 Doan Hieu Nguyen , Xuan Tung Nguyen , Seon-Geun Jeong , Trinh Van Chien , Lajos Hanzo , Won Joo Hwang

The classical approach of avoiding or ignoring interference in wireless networks cannot accommodate the ambitious quality-of-service demands of ultra-dense cellular networks (CNs). However, recent ground-breaking information-theoretic…

Networking and Internet Architecture · Computer Science 2020-08-14 Abdulkadir Celik , Anas Chaaban , Basem Shihada , Mohamed-Slim Alouini

5G heterogeneous networks (HetNets) can provide higher network coverage and system capacity to the user by deploying massive small base stations (BSs) within the 4G macro system. However, the large-scale deployment of small BSs…

Networking and Internet Architecture · Computer Science 2021-03-02 Qianyu Liu , Chiew Foong Kwong , Sun Wei , Sijia Zhou , Lincan Li

In this paper, the problem of energy efficiency in cellular heterogeneous networks (HetNets) is investigated using radio resource and power management combined with the base station (BS) ON/OFF switching. The objective is to minimize the…

Networking and Internet Architecture · Computer Science 2019-12-03 Hakim Ghazzai , Muhammad Junaid Farooq , Ahmad Alsharoa , Elias Yaacoub , Abdullah Kadri , Mohamed-Slim Alouini

The heterogeneous wireless networks where coexistence of different Radio access technology (RAT) are widely deployed for various services and support various traffic demand, channel allocation. Under heterogeneous wireless networks, a user…

Networking and Internet Architecture · Computer Science 2012-06-13 R. Shyam Sundar , S. Nanda Kumar

This article investigates and evaluate a handover exchange scheme between two secondary users (SUs) moving in different directions across the handover region of neighbouring cell in a cognitive radio network. More specifically, this…

Networking and Internet Architecture · Computer Science 2017-11-08 Ebenezer Esenogho , Elie Ngomseu Mambou

Heavy computation is a bottleneck limiting deep-learningbased feature matching algorithms to be applied in many realtime applications. However, existing lightweight networks optimized for Euclidean data cannot address classical feature…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Xiaoyong Lu , Yaping Yan , Bin Kang , Songlin Du

This paper analyzes the impact of user mobility in multi-tier heterogeneous networks. We begin by obtaining the handoff rate for a mobile user in an irregular cellular network with the access point locations modeled as a homogeneous Poisson…

Networking and Internet Architecture · Computer Science 2015-01-09 Sanam Sadr , Raviraj S. Adve

Parameter fine tuning is a transfer learning approach whereby learned parameters from pre-trained source network are transferred to the target network followed by fine-tuning. Prior research has shown that this approach is capable of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Tasfia Shermin , Shyh Wei Teng , Manzur Murshed , Guojun Lu , Ferdous Sohel , Manoranjan Paul

Capsule network (CapsNet) was introduced as an enhancement over convolutional neural networks, supplementing the latter's invariance properties with equivariance through pose estimation. CapsNet achieved a very decent performance with a…

Machine Learning · Computer Science 2019-10-29 Mohammed Amer , Tomás Maul

Wireless nodes in future communication systems need to overcome three barriers when compared to their transitional counterparts, namely to support significantly higher data rates, have long-lasting energy supplies and remain fully…

Information Theory · Computer Science 2017-11-07 Ali Kariminezhad , Aydin Sezgin

From the perspective of statistical performance, this paper presents a framework for the per-user throughput analysis in random cache based multi-antenna heterogeneous networks (HetNets) with user-centric inter-cell interference nulling…

Signal Processing · Electrical Eng. & Systems 2019-11-07 Kangda Zhi , Guangji Chen , Ling Qiu , Xiaowen Liang , Chenhao Ren

In this paper, we consider a heterogenous network (HetNet), where low-power indoor femtocells are deployed in the coverage area of the existing macro base station (MBS). This paper proposes a novel coordinated random beamforming and user…

Information Theory · Computer Science 2016-11-09 Jun Zhu , Hong-Chuan Yang