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Satellite networks are emerging as vital solutions for global connectivity beyond 5G. As companies such as SpaceX, OneWeb, and Amazon are poised to launch a large number of satellites in low Earth orbit, the heightened inter-satellite…

Signal Processing · Electrical Eng. & Systems 2025-04-22 Miyeon Lee , Sucheol Kim , Minje Kim , Dong-Hyun Jung , Junil Choi

As low Earth orbit (LEO) satellite communication systems are gaining increasing popularity, new theoretical methodologies are required to investigate such networks' performance at large. This is because deterministic and location-based…

Systems and Control · Electrical Eng. & Systems 2020-05-06 Niloofar Okati , Taneli Riihonen , Dani Korpi , Ilari Angervuori , Risto Wichman

In this paper, we investigate the coverage performance of downlink satellite networks employing dynamic coordinated beamforming. Our approach involves modeling the spatial arrangement of satellites and users using Poisson point processes…

Signal Processing · Electrical Eng. & Systems 2023-09-20 Daeun Kim , Jeonghun Park , Namyoon Lee

Integrated satellite-terrestrial networks (ISTNs) can significantly expand network coverage while diminishing reliance on terrestrial infrastructure. Despite the enticing potential of ISTNs, there is no comprehensive mathematical…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Jungbin Yim , Jeonghun Park , Namyoon Lee

The low-earth-orbit (LEO) satellite network with mega-constellations can provide global coverage while supporting the high-data rates. The coverage performance of such a network is highly dependent on orbit geometry parameters, including…

Information Theory · Computer Science 2022-06-22 Junse Lee , Song Noh , Sooyeob Jeong , Namyoon Lee

To enhance coverage and improve service continuity, satellite-terrestrial integrated radio access network (STIRAN) has been seen as an essential trend in the development of 6G. However, there is still a lack of theoretical analysis on its…

Information Theory · Computer Science 2024-04-16 Yaohua Sun , Ruiwen Li

Once deemed a far-fetched vision, emerging deployments of massive satellite constellations will soon offer true global coverage. When these constellations overlay the evolving terrestrial networks, a new hybrid continuum is formed which has…

Information Theory · Computer Science 2021-06-09 Bassel Al Homssi , Akram Al-Hourani

The intensity matching approach for tractable performance evaluation and optimization of cellular networks is introduced. It assumes that the base stations are modeled as points of a Poisson point process and leverages stochastic geometry…

Information Theory · Computer Science 2016-04-12 Marco Di Renzo , Wei Lu , Peng Guan

Recently, stochastic geometry has been applied to provide tractable performance analysis for low earth orbit (LEO) satellite networks. However, existing works mainly focus on analyzing the ``coverage probability'', which provides limited…

Information Theory · Computer Science 2023-07-06 Yanshi Sun , Zhiguo Ding

Densifying the network and deploying more antennas at each access point are two principal ways to boost the capacity of wireless networks. However, due to the complicated distributions of random signal and interference channel gains,…

Information Theory · Computer Science 2017-05-03 Xianghao Yu , Chang Li , Jun Zhang , Khaled B. Letaief

As emerging massive constellations are intended to provide seamless connectivity for remote areas using hundreds of small low Earth orbit (LEO) satellites, new methodologies have great importance to study the performance of these networks.…

Networking and Internet Architecture · Computer Science 2020-10-05 Niloofar Okati , Taneli Riihonen

Unmanned aerial vehicles (UAVs) have recently found abundant applications in the public and civil domains. To ensure reliable control and navigation, connecting UAVs to controllers via existing cellular network infrastructure, i.e., ground…

Information Theory · Computer Science 2019-02-01 Xianghao Yu , Jun Zhang , Robert Schober , Khaled B. Letaief

Densifying networks and deploying more antennas at each access point are two principal ways to boost the capacity of wireless networks. However, the complicated distributions of the signal power and the accumulated interference power,…

Information Theory · Computer Science 2018-09-25 Xianghao Yu , Chang Li , Jun Zhang , Martin Haenggi , Khaled B. Letaief

There have been a bulk of analytic results about the performance of cellular networks where base stations are regularly located on a hexagonal or square lattice. This regular model cannot reflect the reality, and tends to overestimate the…

Networking and Internet Architecture · Computer Science 2015-03-19 Seung Min Yu , Seong-Lyun Kim

Providing truly ubiquitous connectivity requires development of low Earth orbit (LEO) satellite Internet, whose theoretical study is lagging behind network-specific simulations. In this paper, we derive analytical expressions for the…

Systems and Control · Electrical Eng. & Systems 2021-08-26 Niloofar Okati , Taneli Riihonen

Satellite communication is one of the key technologies that is enabling next-generation networks. However, nearest-satellite-supported downlink transmission may not meet a user's requirements due to limited signal strength, especially in…

Signal Processing · Electrical Eng. & Systems 2024-10-08 Xiangyu Li , Bodong Shang

Dense satellite constellations recently emerged as a prominent solution to complementing terrestrial networks in attaining true global coverage. As such, analytic optimization techniques can be adopted to rapidly maximize the benefits of…

Information Theory · Computer Science 2022-04-20 Bassel Al Homssi , Akram Al-Hourani

Cellular networks are usually modeled by placing the base stations on a grid, with mobile users either randomly scattered or placed deterministically. These models have been used extensively but suffer from being both highly idealized and…

Information Theory · Computer Science 2016-11-15 Jeffrey G. Andrews , Francois Baccelli , Radha Krishna Ganti

Cooperative satellite-aerial-terrestrial networks (CSATNs), where unmanned aerial vehicles (UAVs) are utilized as nomadic aerial relays (A), are highly valuable for many important applications, such as post-disaster urban reconstruction. In…

Networking and Internet Architecture · Computer Science 2025-03-24 Wen-Yu Dong , Shaoshi Yang , Ping Zhang , Sheng Chen

The extensive coverage offered by satellites makes them effective in enhancing service continuity for users on dynamic airborne and maritime platforms, such as airplanes and ships. In particular, geosynchronous Earth orbit (GEO) satellites…

Information Theory · Computer Science 2023-12-27 Dong-Hyun Jung , Hongjae Nam , Junil Choi , David J. Love
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