Enhancement of direct LEO satellite-to-smartphone communications by distributed beamforming

Z Xu, G Chen, R Fernandez, Y Gao… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The Low Earth Orbit (LEO) satellite network is undergoing rapid development with the
maturing of satellite communications and rocket launch technologies, and the demand for a …

Enhancement of Satellite-to-Phone Link Budget by Using Distributed Beamforming

Z Xu, Y Gao, G Chen, R Fernandez… - arXiv preprint arXiv …, 2023 - arxiv.org
Small satellites in Low Earth Orbit (LEO) attract much attention from both industry and
academia. The latest production and launch technologies constantly drive the development …

Enhancement of satellite-to-phone link budget: An approach using distributed beamforming

Z Xu, Y Gao, G Chen, R Fernandez… - IEEE Vehicular …, 2023 - ieeexplore.ieee.org
Small satellites in low-Earth orbit (LEO) attract much attention from both industry and
academia. The latest production and launch technologies constantly drive the development …

Harnessing the power of swarm satellite networks with wideband distributed beamforming

JCM Duncan, VN Ha, J Krivochiza… - 2023 IEEE 34th …, 2023 - ieeexplore.ieee.org
The space communications industry is challenged to develop a technology that can deliver
broadband services to user terminals equipped with miniature antennas, such as handheld …

Physical Beam Sharing for Communications with Multiple Low Earth Orbit Satellites

YY He, SHL Tsai, HV Poor - IEEE Transactions on Signal …, 2024 - ieeexplore.ieee.org
Physical (analog) beamforming is expected to become an important technique in Low Earth
Orbit (LEO) satellite transmission in upcoming 6G communications. To build dense networks …

Joint user grouping and beamwidth optimization for satellite multicast with phased array antennas

B Liu, C Jiang, L Kuang, J Lu - GLOBECOM 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
The communication satellite equipped with phased array antennas can produce high power
density by narrow spotbeams and thus can achieve high data rates. A large number of …

Dynamic Beam Coverage for Satellite Communications Aided by Movable-Antenna Array

L Zhu, X Pi, W Ma, Z Xiao, R Zhang - arXiv preprint arXiv:2404.15643, 2024 - arxiv.org
Due to the ultra-dense constellation, efficient beam coverage and interference mitigation are
crucial to low-earth orbit (LEO) satellite communication systems, while the conventional …

Adaptive beam size design for LEO satellite networks with doppler shift compensation

S Han, W Lee, W Shin, JH Kim - 2022 IEEE VTS Asia Pacific …, 2022 - ieeexplore.ieee.org
Over the last few years, Low Earth Orbit (LEO) satellite communication systems have been
gaining much attention for fulfilling seamless global coverage requirements for 5G and …

Joint Optimization of Beam Placement and Transmit Power for Multi-Beam LEO Satellite Communication Systems

HH Choi, G Park, K Heo, K Lee - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
In multibeam satellites, transmit power is a limited resource shared among beams, and
allocating higher power to certain beams may cause more interference with others …

Reconfigurable Intelligent Surface-Assisted Multi-Satellite Cooperative Downlink Beamforming

K Feng, T Zhou, T Xu, X Chen, H Hu… - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
As a vital enabler for ubiquitous connectivity in space-air-ground integrated networks, the
satellite-terrestrial communication system has been envisioned to be a crucial complement …