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Heterogeneous cellular networks (HetNets) are to be deployed for future wireless communication to meet the ever-increasing mobile traffic demand. However, the dense and random deployment of small cells and their uncoordinated operation…

Information Theory · Computer Science 2014-06-10 Weili Nie , Fuchun Zheng , Xiaoming Wang , Shi Jin , Wenyi Zhang

In this paper, we consider the downlink broadcast channel under heterogenous blocklength constraints, where each user experiences different interference statistics across its received symbols. Different from the homogeneous blocklength…

Information Theory · Computer Science 2023-01-24 Min Qiu , Yu-Chih Huang , Jinhong Yuan

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

Heterogeneous graph convolutional networks have gained great popularity in tackling various network analytical tasks on heterogeneous network data, ranging from link prediction to node classification. However, most existing works ignore the…

Social and Information Networks · Computer Science 2022-08-15 Pengyang Yu , Chaofan Fu , Yanwei Yu , Chao Huang , Zhongying Zhao , Junyu Dong

We consider heterogeneous wireless networks in the physical interference model and introduce a new formulation of the mixed-integer nonlinear programming problem that addresses base-station activation and many-to-many associations while…

Networking and Internet Architecture · Computer Science 2022-01-26 Raphael M. Guedes , José F. de Rezende , Valmir C. Barbosa

Small cells deployment is one of the most significant long-term strategic policies of the mobile network operators. In heterogeneous networks (HetNets), small cells serve as offloading spots in the radio access network to offload macro…

Networking and Internet Architecture · Computer Science 2017-01-05 Mirza Golam Kibria , Gabriel Porto Villardi , Wei-Shun Liao , Kien Nguyen , Kentaro Ishizu , Fumihide Kojima

Next generation (5G) cellular networks are expected to be supported by an extensive infrastructure with many-fold increase in the number of cells per unit area compared to today. The total energy consumption of base transceiver stations…

Information Theory · Computer Science 2016-01-14 Binnan Zhuang , Dongning Guo , Michael L. Honig

The analysis of network data has gained considerable interest in recent years. This also includes the analysis of large, high-dimensional networks with hundreds and thousands of nodes. While exponential random graph models serve as…

Methodology · Statistics 2023-09-13 Nadja Klein , Göran Kauermann

Heterogenous cellular networks (HCN) introduce small cells within the transmission range of a macrocell. For the efficient operation of HCNs it is essential that the high power macrocell shuts off its transmissions for an appropriate amount…

Networking and Internet Architecture · Computer Science 2016-11-17 Antonios Argyriou , Dimitrios Kosmanos , Leandros Tassiulas

For two-tier networks consisting of macrocells and femtocells, the channel access mechanism can be configured to be open access, closed access, or hybrid access. Hybrid access arises as a compromise between open and closed access…

Networking and Internet Architecture · Computer Science 2016-11-15 Yi Zhong , Wenyi Zhang

Capable of significantly reducing cell size and enhancing spatial reuse, network densification is shown to be one of the most dominant approaches to expand network capacity. Due to the scarcity of available spectrum resources, nevertheless,…

Information Theory · Computer Science 2017-07-04 Junyu Liu , Min Sheng , Kan Wang , Jiandong Li

This paper studies the impact of the base station (BS) idle mode capability (IMC) on the network performance of multi-tier and dense heterogeneous cellular networks (HCNs). Different from most existing works that investigated network…

Networking and Internet Architecture · Computer Science 2017-04-10 Chuan Ma , Ming Ding , He Chen , Zihuai Lin , Guoqiang Mao , David Lopez-Perez

Millimeter wave (mmWave) links have the potential to offer high data rates and capacity needed in fifth generation (5G) networks, however they have very high penetration and path loss. A solution to this problem is to bring the base station…

Information Theory · Computer Science 2017-05-15 Osama Waqar Bhatti , Haris Suhail , Uzair Akbar , Syed Ali Hassan , Haris Pervaiz , Leila Musavian , Qiang Ni

Millimeter wave (mmWave) links will offer high capacity but are poor at penetrating into or diffracting around solid objects. Thus, we consider a hybrid cellular network with traditional sub 6 GHz macrocells coexisting with denser mmWave…

Information Theory · Computer Science 2016-11-15 Hisham Elshaer , Mandar N. Kulkarni , Federico Boccardi , Jeffrey G. Andrews , Mischa Dohler

In this paper, an unmanned aerial vehicles (UAV)-based heterogeneous network is studied to solve the problem of transferring massive traffic of distributed small cells to the core network. First, a detailed three-dimensional (3D) model of…

Signal Processing · Electrical Eng. & Systems 2022-08-12 Mohammad Taghi Dabiri , Mazen Hasna , Walid Saad

We consider network utility maximization problems over heterogeneous cellular networks (HetNets) that permit dual connectivity. Dual connectivity (DC) is a feature that targets emerging practical HetNet deployments that will comprise of…

Networking and Internet Architecture · Computer Science 2017-09-27 Narayan Prasad , Sampath Rangarajan

The direct-sequence code-division multiple access (DS-CDMA) cellular downlink is modeled by a constrained random spatial model involving a fixed number of base stations placed over a finite area with a minimum separation. The analysis is…

Information Theory · Computer Science 2012-10-16 Matthew C. Valenti , Don Torrieri , Salvatore Talarico

The construction of spatiotemporal networks using graph convolution networks (GCNs) has become one of the most popular methods for predicting traffic signals. However, when using a GCN for traffic speed prediction, the conventional approach…

Machine Learning · Computer Science 2022-09-07 JunKyu Jang , Sung-Hyuk Park

This paper provides the signal-to-interference-plus-noise ratio (SINR) complimentary cumulative distribution function (CCDF) and average data rate of the normalized SNR-based scheduling in an uplink cellular network using stochastic…

Information Theory · Computer Science 2018-02-08 Shotaro Kamiya , Koji Yamamoto , Seong-Lyun Kim , Takayuki Nishio , Masahiro Morikura

In this paper we demonstrate the rate gains achieved by two-tier heterogeneous cellular networks (HetNets) with varying degrees of coordination between macrocell and microcell base stations (BSs). We show that without the presence of…

Information Theory · Computer Science 2015-03-06 Harsh Tataria , Mansoor Shafi , Peter J. Smith , Pawel A. Dmochowski