Multi-objective robust beamforming for integrated satellite and aerial networks supporting heterogeneous services

Z Wang, M Lin, J Ouyang, JB Wang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
An integrated satellite and aerial network (ISAN) is considered a promising candidate to
provide seamless connectivity for future wireless communication systems. In this paper, we …

Robust multi-objective beamforming for integrated satellite and high altitude platform network with imperfect channel state information

Z Lin, M Lin, Y Huang, T De Cola… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, we propose a robust beamforming (BF) scheme for an integrated satellite and
high altitude platform network, where a multibeam satellite system shares the millimeter …

Robust beamforming in multibeam satellite systems with non-orthogonal multiple access

W Lu, K An, T Liang, X Yan - IEEE Wireless Communications …, 2020 - ieeexplore.ieee.org
In this letter, we investigate the beamforming optimization problem in a non-orthogonal
multiple access (NOMA) based multibeam satellite system. The design key is to minimize the …

Resource efficiency optimization for robust beamforming in multi-beam satellite communications

W Wang, L Gao, R Ding, J Lei, L You… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The tradeoff between energy efficiency (EE) and spectral efficiency (SE) provides a new
perspective for the transmit design in satellite communications (SATCOM), ie, one can jointly …

Outage constrained robust multigroup multicast beamforming for multi-beam satellite communication systems

L You, A Liu, W Wang, X Gao - IEEE Wireless Communications …, 2018 - ieeexplore.ieee.org
We investigate outage constrained robust multigroup multicast beamforming for multi-beam
satellite communication systems with full frequency reuse. Based on a satellite downlink …

Outage constrained robust beamforming for multicast multibeam satellite systems with a phase error

Y Yan, K An, B Zhang, S Li… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this letter, we investigate an outage constrained robust beamforming design for multicast
multibeam satellite systems in the face of a phase error of channel state information. In light …

Non-orthogonal multicast and unicast robust beamforming in integrated terrestrial-satellite networks

D Peng, S Domouchtsidis, S Chatzinotas… - … 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
This paper studies the non-orthogonal multicast and unicast coordinated beamforming
design for integrated terrestrial and satellite networks (ITSN), when the channel state …

Outage-constrained robust multigroup multicast beamforming for satellite-based Internet of Things coexisting with terrestrial networks

Y Yan, K An, B Zhang, WP Zhu… - IEEE Internet of Things …, 2020 - ieeexplore.ieee.org
Satellite-based Internet of Things (IoT) is recognized as a cost-effective approach for global
access. In this article, we aim at improving the spectrum efficiency of satellite systems to …

Combined robust beamforming with uplink RSMA for multibeam satellite systems

H Kong, M Lin, Z Wang, JY Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, a robust uplink transmission scheme combining beamforming (BF) with rate
splitting multiple access is proposed to improve the spectrum efficiency of a multibeam …

Robust Beamforming for Downlink Multi-Cell Systems: A Bilevel Optimization Perspective

X Chen, Y Xiong, K Yang - Proceedings of the AAAI Conference on …, 2024 - ojs.aaai.org
Utilization of inter-base station cooperation for information processing has shown great
potential in enhancing the overall quality of communication services (QoS) in wireless …