[en] This paper studies the non-orthogonal multicast and
unicast coordinated beamforming design for integrated terrestrial
and satellite networks (ITSN), when the channel state information
at the transmitter (CSIT) is imperfect. In order to mitigate the
interference induced by simultaneous multicast and unicast links
along with the spectrum coexisting mechanism for integrated
terrestrial and satellite transmissions, we consider a two-layer
layered division multiplexing (LDM) structure where the mul ticast and unicast services are provided in different layers. We
formulate a coordinated beamforming problem with the objective
to minimize the transmit power under individual quality of
service (QoS) constraints. With regard to the unknown convexity
of the transmit power minimization problem, we transform the
original infeasible optimization into a deterministic optimization
form with linear matrix inequality (LMI) by utilizing S-procedure
and semi-definite relaxation (SDR) methods. Then, we introduce
a penalty function and propose an iterative algorithm with
guaranteed convergence to obtain optimal solutions. Simulation
results demonstrate the superiority of the proposed coordinated
beamforming scheme, especially for the case of imperfect CSIT,
while our LDM based coordinated beamforming scheme signifi cantly outperforms the conventional ones in terms of sum rate.
Index Terms—Integrated terrestrial and satellite networks (IT SN), beamforming, robust, layered division multiplexing (LDM)
Disciplines :
Sciences informatiques
Auteur, co-auteur :
Peng, Deyi
DOMOUCHTSIDIS, Stavros ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
CHATZINOTAS, Symeon ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Li, Yu
OTTERSTEN, Björn ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Co-auteurs externes :
yes
Langue du document :
Anglais
Titre :
Non-Orthogonal Multicast and Unicast Robust Beamforming in Integrated Terrestrial-Satellite Networks
P. Yang, Y. Xiao, and et al., "6G Wireless Communications: Vision and Potential Techniques, " IEEE Network, vol. 33, no. 4, Jul. /Aug. 2019, pp. 70-75.
H. Zhang, C. Jiang, and et al., "Cooperative QoS Beamforming for Multicast Transmission in Terrestrial-Satellite Networks, " in Proc. IEEE Global Telecommun. Conf. (GLOBECOM), Dec. 2017, pp. 1-6.
X. Zhu, C. Jiang, and et al., "Cooperative Transmission in Integrated Terrestrial-Satellite Networks, " IEEE Network, vol. 33, no. 3, May/Jun. 2019, pp. 204-210.
D. Peng, A. Bandi, et al., "Hybrid Beamforming, user Scheduling, and resource allocation for integrated terrestrial-satellite communication, " IEEE Trans. Veh. Technol, doi: 10. 1109/TVT. 2021. 3097149.
Z. Lin, M. Lin, and et al., "Joint beamforming and power allocation for satellite-terrestrial integrated networks with non-orthogonal multiple access, " IEEE J. Sel. Topics Signal Process., vol. 13, no. 3, pp. 657-670, June 2019.
B. Deng, C. Jiang, and et al., "Joint multigroup precoding and resource allocation in integrated terrestrial-satellite networks, " IEEE Trans. Veh. Technol., vol. 68, no. 8, pp. 8075-8090, Aug. 2019.
Y. Zhang, L. Yin, and et al., "Joint beamforming design and resource allocation for terrestrial-satellite cooperation system, " IEEE Trans. Commun., vol. 68, no. 2, pp. 778-791, Feb. 2020.
C. Mosquera, R. Lpez-Valcarce, et al., "Distributed Precoding Systems in Multi-Gateway Multibeam Satellites: Regularization and Coarse Beamforming, " In IEEE Trans. Wireless Commun., vol. 17, no. 10, pp. 6389-6403, Oct. 2018.
M. Alodeh, D. Spano, and et al., "Symbol-Level and Multicast Precoding for Multiuser Multiantenna Downlink: A State-of-the-Art, Classification, and Challenges, " IEEE Commun. Surveys Tuts., vol. 20, no. 3, pp. 1733-1757, thirdquarter 2018.
D. Christopoulos, and et al., "Multicast multigroup precoding and user scheduling for frame-based satellite communications, " IEEE Trans. Wireless Commun., vol. 14, no. 9, pp. 4695-4707, Sept. 2015.
C. Jiang, X. Zhu, and et al., "Multimedia multicast beamforming in integrated terrestrial-satellite networks, " In in Proc. 13th International Wireless Commun. And Mobile Computing Conf. (IWCMC), 2017, pp. 340-345.
X. Zhu, C. Jiang, and et al., "Cooperative Multigroup Multicast Transmission in Integrated Terrestrial-Satellite Networks, " IEEE JSAC, vol. 36, no. 5, May 2018, pp. 981-992.
Z. Ding, Z. Zhao, and et al., "On the Spectral Efficiency and Security Enhancements of NOMA Assisted Multicast-Unicast Streaming, " IEEE Trans. Commun., vol. 65, no. 7, pp. 3151-3163, July 2017
J. Zhao, D. Gndz, and et al., "Non-Orthogonal Unicast and Broadcast Transmission via Joint Beamforming and LDM in Cellular Networks, " IEEE Trans. Commun. Broad., vol. 66, no. 2, pp. 216-228, Jun. 2020.
E. Chen, M. Tao, and et al., "Joint Base Station Clustering and Beamforming for Non-Orthogonal Multicast and Unicast Transmission With Backhaul Constraints, " IEEE Trans. Wireless Commun., vol. 17, no. 9, pp. 6265-6279, Sept. 2018
Y. Huang, D. P. Palomar and et al., "Lorentz-Positive Maps and Quadratic Matrix Inequalities With Applications to Robust MISO Transmit Beamforming, " In IEEE Trans. Signal Processing, vol. 61, no. 5, pp. 1121-1130, Mar., 2013.
