Resource Scheduling for TH-Precoding Adoption on Multi-beam Satellite Downlink Signals

被引：0
|
作者：
Gao, Yazhe [1 ]
He, Yinuo [2 ]
Zheng, Wei [2 ]
Li, Bin [2 ]
Wu, Jianjun [2 ]
机构：
[1] Beijing Informat S&T Univ, ICES, Beijing, Peoples R China
[2] Peking Univ, EECS, Inst Adv Commun, Beijing 100871, Peoples R China
来源：
2014 16TH INTERNATIONAL CONFERENCE ON ADVANCED COMMUNICATION TECHNOLOGY (ICACT) | 2014年
关键词：
Tomlinson-Harashima precoding; interference pre-cancellation; resource scheduling; OFDMA; multi-beam satellite communication; SYSTEMS; INTERFERENCE; LEO;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A resource scheduling scheme which is based on interference pre-cancellation is proposed in this paper for orthogonal frequency division multiple access (OFDMA) multi-beam satellite system. Firstly, in order to reuse same channel among beams, Tomlinson-Harashima precoding (TH-Precoding) is introduced to pre-cancel downlink interference of users from different beams. Then, several resource scheduling algorithms are proposed to jointly work with TH-Precoding. Finally, simulations are executed to validate the proposed scheme, which suggest that compared to traditional single frequency reuse scheme, the proposed scheme can successfully eliminate co-channel interference and improve user SINR significantly.
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页码：1203 / 1207
页数：5
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