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To meet the ever-growing demand for a higher communicating rate and better communication quality, more and more small cells are overlaid under the macro base station (MBS) tier, thus forming the heterogeneous networks. Small cells can ease…

Networking and Internet Architecture · Computer Science 2017-05-18 Tao Han , Yujie Han , Xiaohu Ge , Qiang Li , Jing Zhang , Zhiquan Bai , Lijun Wang

This paper examines the efficiency of spatial and frequency dimensions in serving multiple users in the downlink of a small cell wireless network with randomly deployed access points. For this purpose, the stochastic geometry framework is…

Information Theory · Computer Science 2014-02-18 Stelios Stefanatos , Angeliki Alexiou

With the ever-growing communication demands and the unceasing miniaturization of mobile devices, the Internet of Things is expanding the amount of mobile terminals to an enormous level. To deal with such numbers of communication data,…

Signal Processing · Electrical Eng. & Systems 2022-04-08 He Zhou , Haibo Zhou , Jianguo Li , Kai Yang , Jianping An , Xuemin , Shen

Spatial networks, in which nodes and edges are embedded in space, play a vital role in the study of complex systems. For example, many social networks attach geo-location information to each user, allowing the study of not only topological…

Social and Information Networks · Computer Science 2014-03-05 Nicholas D. Larusso , Brian E. Ruttenberg , Ambuj Singh

We study multiple base station, multi-access systems in which the user-base station adjacency is induced by geographical proximity. At each slot, each user transmits (is active) with a certain probability, independently of other users, and…

Information Theory · Computer Science 2014-01-28 Dragana Bajovic , Dusan Jakovetic , Dejan Vukobratovic , Vladimir Crnojevic

This paper studies spatial capacity in a stochastic wireless ad hoc network, where multi-stage probing and data transmission are sequentially performed. We propose a novel signal-to-interference-ratio (SIR) threshold based scheduling…

Information Theory · Computer Science 2014-09-10 Yue Ling Che , Rui Zhang , Yi Gong , Lingjie Duan

Localization plays a key role for safe operation of UAVs enabling beyond visual line of sight applications. Compared to GPS based localization, cellular networks can reduce the positioning error and cost since cellular connectivity is…

Signal Processing · Electrical Eng. & Systems 2020-03-12 Irshad A. Meer , Mustafa Ozger , Cicek Cavdar

We propose a new model for peer-to-peer networking which takes the network bottlenecks into account beyond the access. This model allows one to cope with key features of P2P networking like degree or locality constraints or the fact that…

Networking and Internet Architecture · Computer Science 2012-06-19 François Baccelli , Fabien Mathieu , Ilkka Norros

Deploying Sub-6GHz networks together with millimeter wave (mmWave) is a promising solution to achieve high data rates in traffic hotspots while guaranteeing sufficient coverage, where mmWave small cells are densely deployed to provide high…

Information Theory · Computer Science 2019-09-17 Minwei Shi , Kai Yang , Zhu Han , Dusit Niyato

Compared with conventional regular hexagonal cellular models, random cellular network models resemble real cellular networks much more closely. However, most studies of random cellular networks are based on the Poisson point process and do…

Networking and Internet Architecture · Computer Science 2017-11-01 Xiaohu Ge , Bangzheng Du , Qiang Li , Diomidis S. Michalopoulos

This article investigates the performance of an ultra-dense network (UDN) from an energy-efficiency (EE) standpoint leveraging the interplay between stochastic geometry (SG) and mean-field game (MFG) theory. In this setting, base stations…

Information Theory · Computer Science 2016-09-14 Jihong Park , Mehdi Bennis , Seong-Lyun Kim , Mérouane Debbah

In a heterogeneous cellular network (HetNet) consisting of $M$ tiers of densely-deployed base stations (BSs), consider that each of the BSs in the HetNet that are associated with multiple users is able to simultaneously schedule and serve…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Chun-Hung Liu , Di-Chun Liang , Po-Chia Chen , Jie-Ru Yang

Employing multi-tier networks is among the most promising approaches to address the rapid growth of the data demand in cellular networks. In this paper, we study a two-tier uplink cellular network consisting of femtocells and a macrocell.…

Information Theory · Computer Science 2014-08-06 Zolfa Zeinalpour-Yazdi , Shirin Jalali

In this letter, we introduce a general cellular network model where i) users and BSs are distributed as two general point processes that may be coupled, ii) pathloss is assumed to follow a multi-slope power-law pathloss model, and iii)…

Information Theory · Computer Science 2018-03-01 Mehrnaz Afshang , Chiranjib Saha , Harpreet S. Dhillon

We propose a novel analytical framework for evaluating the coverage performance of a millimeter wave (mmWave) cellular network where idle user equipments (UEs) act as relays. In this network, the base station (BS) adopts either the direct…

Information Theory · Computer Science 2019-12-30 Simin Xu , Nan Yang , Biao He , Hamid Jafarkhani

In this paper, the outage performance of a two-tier heterogeneous mmWave cellular networks employing joint spatial division and multiplexing (JSDM) is investigated. It is assumed that macro base stations (BSs) equipped with a large number…

Signal Processing · Electrical Eng. & Systems 2019-01-24 Jun Chen , Deli Qiao

In this work we investigate time varying networks with complex dynamics at the nodes. We consider two scenarios of network change in an interval of time: first, we have the case where each link can change with probability pt, i.e. the…

Adaptation and Self-Organizing Systems · Physics 2014-04-14 Ankit Kumar , Vidit Agrawal , Sudeshna Sinha

We address the problem of distributed cooperative localization in wireless networks, i.e. nodes without prior position knowledge (agents) wish to determine their own positions. In non-cooperative approaches, positioning is only based on…

Signal Processing · Electrical Eng. & Systems 2018-02-09 Rico Mendrzik , Gerhard Bauch

In this paper, a new mathematical framework to the analysis of millimeter wave cellular networks is introduced. Its peculiarity lies in considering realistic path-loss and blockage models, which are derived from recently reported…

Information Theory · Computer Science 2016-11-15 Marco Di Renzo

Issues with tracking, precision pointing, and Doppler shift are the major sources of performance loss in laser inter-satellite communication that can severely decrease the coverage and overall performance of satellite constellations. As a…

Signal Processing · Electrical Eng. & Systems 2021-12-30 Eylem Erdogan , Ibrahim Altunbas , Gunes Karabulut Kurt , Halim Yanikomeroglu