Joint Linear Precoding and Beamforming for the Forward Link of Multi-Beam Broadband Satellite Systems

被引：0
|
作者：
Devillers, Bertrand [1 ]
Perez-Neira, Ana [2 ]
Mosquera, Carlos [3 ]
机构：
[1] CTTC, Barcelona, Spain
[2] Univ Politecn Cataluna, Barcelona, Spain
[3] Univ Vigo, Signal Theory & Commun Dept, Vigo, Spain
来源：
2011 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE (GLOBECOM 2011) | 2011年
关键词：
CAPACITY; CHANNEL;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Next generation high throughput satellite systems are expected to rely on the deployment of a high number of beams in the user link, and therefore operate in an interference limited regime. This paper builds on the combination of advanced interference mitigation techniques and ground based beamforming to cope with this increased level of interference among users. Focussing on the forward link of a multi-beam broadband satellite system, we consider the joint design of linear precoding and ground based beamforming at the gateway. This joint design is modeled, and different linear precoding techniques are considered for comparison. The provided simulation results quantify the performance gain generated by this joint design with respect to considering precoding for a fixed on-board beamforming. The robustness of the considered scheme to channel estimation errors is also analyzed.
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页数：6
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