论文标题
部分可观测时空混沌系统的无模型预测
DFRC with Improved Communication-Sensing Trade-off via Private Subcarrier Permutations and Pairing with Antennas
论文作者
论文摘要
双功能雷达通信（DFRC）系统可以在频谱效率，系统复杂性和能源效率方面取得重大提高，并吸引下一代无线系统设计的大量关注。本文认为使用具有稀疏发射阵列的MIMO雷达，DM雷达，DM波形的传输，并将共享和私人子载体分配给主动传输天线。子载波共享允许天线将数据符号调节到相同的子载波上并实现高通信速率，而使用私人子载波交易交易速率通过启用比物理接收阵列更大的光圈的虚拟数组来传感性能。我们建议在可用的子载体中利用私人子载体的置换，以及主动天线和私人子载体之间的配对，以收回一些通信率损失。利用私人子载体的$ 1 $ -SPARSE属性，我们还提出了低复杂性算法来识别私人子载波并检测天线 - 垫片配对。
Dual function radar communication (DFRC) systems can achieve significant improvements in spectrum efficiency, system complexity and energy efficiency, and are attracting a lot of attention for next generation wireless system design. This paper considers DFRC systems using MIMO radar with a sparse transmit array, transmitting OFDM waveforms, and assigning shared and private subcarriers to active transmit antennas. Subcarrier sharing allows antennas to modulate data symbols onto the same subcarriers and enables high communication rate, while the use of private subcarriers trades-off communication rate for sensing performance by enabling the formulation of a virtual array with larger aperture than the physical receive array. We propose to exploit the permutation of private subcarriers among the available subcarriers and the pairing between active antennas and private subcarriers to recover some of the communication rate loss. Exploiting the $1$-sparse property of private subcarriers, we also propose a low complexity algorithm to identify private subcarriers and detect the antenna-subcarrier pairing.
