Signal processing for high-throughput satellites: Challenges in new interference-limited scenarios

AI Perez-Neira, MA Vazquez… - IEEE Signal …, 2019 - ieeexplore.ieee.org
The field of satellite communications (SatCom) is enjoying renewed attention in the global
telecommunications market, and high-throughput satellites, with their multiple spot beams …

Multicast beamforming optimization in cloud-based heterogeneous terrestrial and satellite networks

H Zhang, C Jiang, J Wang, L Wang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
A cloud-based terrestrial-satellite network (CTSN) is conceived for supporting ubiquitous
high-speed multimedia services. In the CTSN, the satellite and terrestrial base stations are …

Energy efficient multicast precoding for multiuser multibeam satellite communications

C Qi, H Chen, Y Deng… - IEEE Wireless …, 2019 - ieeexplore.ieee.org
Aiming at maximizing the energy efficiency (EE) of multicast multibeam satellite
communications, we consider the precoding design under the total power and quality of …

Rate splitting for MIMO multibeam satellite systems

M Vazquez, M Caus… - WSA 2018; 22nd …, 2018 - ieeexplore.ieee.org
This paper deals with the problem of precoding in multibeam satellite system with rate
splitting (RS). In contrast to the single-stream (SS) case where a unique private frame is …

ADMM-based one-bit quantized signal detection for massive MIMO systems with hardware impairments

ÖT Demir, E Björnson - ICASSP 2020-2020 IEEE International …, 2020 - ieeexplore.ieee.org
This paper considers signal detection in massive multiple-input multiple-output (MIMO)
systems with general additive hardware impairments and one-bit quantization. First, we …

Improved ADMM-based algorithms for multi-group multicasting in large-scale antenna systems with extension to hybrid beamforming

ÖT Demir, TE Tuncer - Digital Signal Processing, 2019 - Elsevier
In this paper, multi-group multicast beamforming is considered for the full digital and hybrid
beamforming. The wireless system comprises of a multiple-antenna base station and single …

Improved ADMM-based algorithm for multi-group multicast beamforming in large-scale antenna systems

ÖT Demir, TE Tuncer - 2018 26th European Signal Processing …, 2018 - ieeexplore.ieee.org
In this paper, we consider beamformer design for multi-group multicasting where a common
message is transmitted to the users in each group. We propose a novel effective alternating …

Weighted Fair Precoding Based on Traffic Demands for Multibeam Satellite Systems

Z Luo, D Yang, H Wang, J Kuang - 2019 IEEE 90th Vehicular …, 2019 - ieeexplore.ieee.org
In this paper, a linear precoding scheme is proposed to maximize the total throughput of a
broadband geostationary earth orbit (GEO) satellite system based on traffic demands. The …

Rate splitting for MIMO multibeam satellite systems

MÁ Vázquez Oliver, M Caus… - WSA 2018: 22nd …, 2018 - upcommons.upc.edu
This paper deals with the problem of precoding in multibeam satellite system with rate
splitting (RS). In contrast to the single-stream (SS) case where a unique private frame is …