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The efficiency of the broadcast network is impacted by the different types of services that may be transmitted over it. Global services serve users across the entire network, while local services cater to specific regions, and hyper-local…

Signal Processing · Electrical Eng. & Systems 2024-02-07 Sweta Singh , K. Giridhar

Small cell networks have recently been proposed as an important evolution path for the next-generation cellular networks. However, with more and more irregularly deployed base stations (BSs), it is becoming increasingly difficult to…

Information Theory · Computer Science 2013-06-27 C. Li , J. Zhang , K. B. Letaief

Due to their ability to anchor into tall urban landforms, such as lampposts or street lights, robotic aerial base stations (RABSs) can create a hyper-flexible wireless multi-hop heterogeneous network to meet the forthcoming green,…

Networking and Internet Architecture · Computer Science 2025-05-16 Wen Shang , Yuan Liao , Vasilis Friderikos , Halim Yanikomeroglu

In non-geostationary orbit (NGSO) satellite communication systems, effectively utilizing beam hopping (BH) technology is crucial for addressing uneven traffic demands. However, optimizing beam scheduling and resource allocation in…

Systems and Control · Electrical Eng. & Systems 2025-01-07 Xia Xie , Kexin Fan , Wenfeng Deng , Nikolaos Pappas , Qinyu Zhang

Advances in wireless technology have significantly increased the number of wireless connections, leading to higher energy consumption in networks. Among these, base stations (BSs) in radio access networks (RANs) account for over half of the…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Shuo Sun , Chong Huang , Gaojie Chen , Pei Xiao , Rahim Tafazolli

Wireless distributed sensor network consists of randomly deployed sensors having low energy assets. These networks can be used for monitoring a variety of environments. Major problems of these networks are energy constraints and their…

Networking and Internet Architecture · Computer Science 2016-11-17 N. Amjad , N. Javaid , A. Haider , A. A. Awan , M. Rahman

We observe that in a multi-channel wireless system, an opportunistic channel/spectrum access scheme that solely focuses on channel quality sensing measured by received SNR may induce users to use channels that, while providing better…

Systems and Control · Computer Science 2015-03-20 Qingsi Wang , Mingyan Liu

Densification is a key to greater throughput in cellular networks. The full potential of coordinated multipoint (CoMP) can be realized by massive multiple-input multiple-output (MIMO) systems, where each base station (BS) has very many…

Information Theory · Computer Science 2014-03-20 Emil Björnson , Michail Matthaiou , Mérouane Debbah

To enable densely deployed base stations (BSs) or access points (APs) to serve an increasing number of users and provide diverse mobile services, we need to improve spectrum utilization in wireless communication networks. Although spectral…

Information Theory · Computer Science 2017-12-22 Zhao Li , Fengjuan Guo , Kang G Shin , Yinghou Liu , Jia Liu

Network Utility Maximization (NUM) is often applied for the cross-layer design of wireless networks considering known wireless channels. However, realistic wireless channel capacities are stochastic bearing time-varying statistics,…

Systems and Control · Computer Science 2016-06-14 Eleni Stai , Michail Loulakis , Symeon Papavassiliou

This paper investigates covert multi-hop communication in wireless networks where an adversary employs a cyclostationary (cycle) detector to reveal hidden transmissions. The covert route employs direct sequence spread spectrum (DSSS)…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Swapnil Saha , Rahul Aggarwal , Fikadu Dagefu , Justin Kong , Jihun Choi , Brian Kim , Predrag Spasojevic

In this paper, a novel framework is proposed for optimizing the operation and performance of a large-scale, multi-hop millimeter wave (mmW) backhaul within a wireless small cell network (SCN) that encompasses multiple mobile network…

Computer Science and Game Theory · Computer Science 2017-05-23 Omid Semiari , Walid Saad , Mehdi Bennis , Zaher Dawy

Intelligent reflecting surface (IRS) can be densely deployed in complex environments to create cascaded line-of-sight (LoS) links between base stations (BSs) and users, which significantly enhance the signal coverage. In this paper, we…

Information Theory · Computer Science 2023-07-18 Weidong Mei , Zhi Chen , Rui Zhang

This paper considers a heterogeneous ad hoc network with multiple transmitter-receiver pairs, in which all transmitters are capable of harvesting renewable energy from the environment and compete for one shared channel by random access. In…

Information Theory · Computer Science 2016-06-16 Hang Li , Chuan Huang , Ping Zhang , Shuguang Cui , Junshan Zhang

Reconfigurable intelligent surfaces (RISs) are considered a promising technology for boosting the coverage and for enhancing the spectral efficiency of wireless systems, as well as for taming the wireless environment. The potential benefits…

Information Theory · Computer Science 2021-11-23 Bjorn Sihlbom , Marios I. Poulakis , Marco Di Renzo

Deployment of multi-hop network of unmanned aerial vehicles (UAVs) acting as flying base stations (FlyBSs) presents a remarkable potential to effectively enhance the performance of wireless networks. Such potential enhancement, however,…

Systems and Control · Electrical Eng. & Systems 2022-10-24 Mohammadsaleh Nikooroo , Omid Esrafilian , Zdenek Becvar , David Gesbert

Inspired by the Statistical Physics of complex networks, wireless multihop ad hoc communication networks are considered in abstracted form. Since such engineered networks are able to modify their structure via topology control, we search…

Networking and Internet Architecture · Computer Science 2009-11-11 Wolfram Krause , Jan Scholz , Martin Greiner

The end-to-end throughput of multi-hop communication in wireless ad hoc networks is affected by the conflict between forwarding nodes. It has been shown that sending more packets than maximum achievable end-to-end throughput not only fails…

Networking and Internet Architecture · Computer Science 2019-05-15 Shahbaz Rezaei , Mohammed Gharib , Ali Movaghar

We study the problem of joint load balancing and interference mitigation in heterogeneous networks (HetNets) in which massive multiple-input multiple-output (MIMO) macro cell base station (BS) equipped with a large number of antennas,…

Networking and Internet Architecture · Computer Science 2017-07-11 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Mérouane Debbah , Matti Latva-aho

Intelligent reflecting surface (IRS) is envisioned to play a significant role in future wireless communication systems as an effective means of reconfiguring the radio signal propagation environment. In this paper, we study a new multi-IRS…

Information Theory · Computer Science 2021-08-25 Weidong Mei , Rui Zhang