能效最大化准则下的星地融合网络的安全波束成形算法
Secure Beamforming Algorithm in Satellite-Terrestrial Integrated Networks with Energy Efficiency Maximization Criterion
- 电子学报 2022年50卷第1期 页码：124-134
- 作者机构：
1.国防科技大学电子对抗学院，安徽合肥 230037
2.南京邮电大学通信与信息工程学院，江苏南京 210003
3.32075部队，江苏南京 210018
4.国防科技大学第六十三研究所，江苏南京 210007
- 作者简介：
[ "林 志 男，1992年出生，安徽池州人.博士，国防科技大学电子对抗学院讲师，主要研究方向为无线通信系统、阵列信号处理、可重构智能反射面等." ]
[ "林 敏 男，1972年出生，浙江台州人.博士，南京邮电大学通信与信息工程学院教授、博士生导师，主要研究方向为无线通信系统、智能信号处理、天线新技术等." ]
[ "黄清泉 男，1993年出生，湖南永州人.博士，主要研究方向为星地融合网络、天线波束形成等." ]
[ "赵 柏 男，1992年出生，江苏泗阳人.南京邮电大学通信与信息工程学院博士研究生，主要研究方向为卫星通信、智能信号处理、最优化等." ]
[ "顾晨伟 男，1995年出生，江苏无锡人.南京邮电大学通信与信息工程学院硕士研究生，主要研究方向为卫星通信、通信信号处理、认知无线电等." ]
[ "许 拔 男，1981年出生，湖南汨罗人.博士，国防科技大学第六十三研究所副研究员，主要研究方向为无线通信、信号处理等." ]
- 基金信息：国防科技大学科研计划项目(ZK21-33);国家自然科学基金(61901490;61720106003);上海航天科技创新基金(SAST2019-095)
DOI：10.12263/DZXB.20200944
中图分类号： TN927;收稿：2020-08-27，
修回：2021-02-04，
纸质出版：2022-01-25
- 稿件说明：
移动端阅览
林志,林敏,黄清泉等.能效最大化准则下的星地融合网络的安全波束成形算法[J].电子学报,2022,50(01):124-134.
LIN Zhi,LIN Min,HUANG Qing-quan,et al.Secure Beamforming Algorithm in Satellite-Terrestrial Integrated Networks with Energy Efficiency Maximization Criterion[J].ACTA ELECTRONICA SINICA,2022,50(01):124-134.
林志,林敏,黄清泉等.能效最大化准则下的星地融合网络的安全波束成形算法[J].电子学报,2022,50(01):124-134. DOI： 10.12263/DZXB.20200944.
LIN Zhi,LIN Min,HUANG Qing-quan,et al.Secure Beamforming Algorithm in Satellite-Terrestrial Integrated Networks with Energy Efficiency Maximization Criterion[J].ACTA ELECTRONICA SINICA,2022,50(01):124-134. DOI： 10.12263/DZXB.20200944.
摘要
未来通信系统存在功耗较大、频谱短缺与传输安全等问题，星地融合网络因其在功耗、频谱效率和总体部署设计等方面具有独特的优势，被认为是解决上述问题的可行架构方案.本文针对该网络中的能效最大化问题提出了一种安全波束成形算法.假设卫星下行链路存在多个窃听者且发送端仅知晓窃听统计信道状态信息，本文在发射功率受限、用户信干噪比限制和窃听信干噪比概率约束的情况下，研究了蜂窝用户的能效最大化问题，提出了一种鲁棒混合波束成形方案，分别运用S-procedure和Bernstein型不等式将非凸的概率约束限制转化为线性矩阵不等式和二次锥约束，然后采用Charnes-Cooper和罚函数法将原NP-hard问题转换为凸优化问题，并提出一种双层迭代算法计算出数字和模拟波束成形矢量.仿真结果表明，本文所提方案能显著地提升信息传输的安全性和能效性.
Abstract
Considering the problems of huge power consumption
spectrum scarcity
and secrecy transmission of future communication system
the satellite-terrestrial integrated network(STIN) has been considered as a promising architecture scheme due to its advantages of power consumption
spectral efficiency and overall deployment design. This paper investigates the energy efficiency(EE) maximization problem in STIN and proposes a secure beamforming scheme. By assuming that multiple eavesdroppers attempt to wiretap the satellite downlinks
and only statistical knowledge of wiretap channel state information is available
this paper aims at maximizing the EE of cellular user under the constraints of BS transmit power budget
signal-to-interference-plus-noise ratio(SINR) requirements of earth station and cellular user
and the outage-constrained SINR requirements of eavesdroppers. This paper proposes a robust hybrid beamforming scheme
and utilizes S-Procedure and Bernstein-type inequality methods to convert the nonconvex outage-based constraints into linear matrix inequalities and second-cone constraints. Then
Charnes-Cooper transformation and penalty function methods are adopted to transform the original NP-hard optimization problem into a convex one
and a two-layer iterative algorithm is proposed solve the problem and obtain digital and analog beamforming weight vectors. Simulation results verify that the proposed hybrid beamforming scheme can significantly enhance EE performance.
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references
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