Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/79352
Title: Cooperative QoS beamforming for multicast transmission in terrestrial-satellite networks
Authors: Zhang, H
Jiang, C
Kuang, L
Qian, Y
Guo, S 
Issue Date: 2018
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: 2017 IEEE Global Communications Conference, GLOBECOM 2017 - Proceedings, 2018, v. 2018-January, p. 1-6 How to cite?
Abstract: Terrestrial-satellite networks (TSNs) play a significant role in achieving 100\% geographic coverage in the next generation of wireless networks. In TSNs, multimedia transmission is an important application scenario, where efficient content delivery solutions are required for effectively alleviating network congestion. In this paper, we study multicast beamforming problems in TSNs by reusing the entire bandwidth for providing efficient solutions for content delivery. In order to mitigate the interference imposed by multicast transmission of the satellite, we formulate the cooperative multicast beamforming problems for the TSN under the quality of service (QoS) constraints. Then, according to different considerations, the semidefinite relaxation (SDR) method is applied for the beamforming design of the satellite, whilst the recently developed feasible point pursuit successive convex approximation (FPP-SCA) approach is adopted for tackling the beamforming design problem of the base station. The system performance is studied by simulation results. Our investigations show that our TSN is capable of attaining a sufficient high rate for supporting multimedia transmission.
Description: 2017 IEEE Global Communications Conference, GLOBECOM 2017, Singapore, 4-8 December 2017
URI: http://hdl.handle.net/10397/79352
ISBN: 9781509050192
DOI: 10.1109/GLOCOM.2017.8254790
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