叠加传输中的雷达与通信融合
Converging Radar and Communications in the Superposition Transmission
摘要：
提出了一种面向未来射频融合应用的叠加传输方案。该方案的假设下讨论的单站广播信道拓扑结构。在通信服务质量（QoS）约束下，研究了通信和速率与雷达估计误差方差的联合性能域。两个雷达信号波形，即线性调频和抛物线调频，被用来调查如何信号形状可能会影响估计精度。两种波形均以矩形包络产生。最后，通过数值分析得出结论：适度的通信QoS保证了良好的通信公平性，同时雷达性能下降有限。
英文摘要：
This paper proposes a superposition transmission scheme for the future Radio Frequency (RF) convergence applications. The scheme is discussed under the assumption of a mono-static broadcasting channel topology. Under communications quality-of-service (QoS) constraints, the joint performance region of communications sum rate and radar estimation error variance is studied. Two radar signal waveforms, namely linear FM and parabolic FM, are used to investigate how signal shapes may influence the estimation accuracy. Both waveforms are generated with rectangular envelope. In the end, a numerical analysis is applied, which concludes that a moderate communications QoS promises a good communications fairness while with the limited radar performance degradation.
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