Journal on Communications ›› 2022, Vol. 43 ›› Issue (2): 76-88.doi: 10.11959/j.issn.1000-436x.2022015
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Xianbin YU1,2, Zhidong LYU1, Lianyi LI1, Muhammad Idrees Nazar1, Lu ZHANG1
Revised:
2021-11-24
Online:
2022-02-25
Published:
2022-02-01
Supported by:
CLC Number:
Xianbin YU, Zhidong LYU, Lianyi LI, Muhammad Idrees Nazar, Lu ZHANG. Waveform design and signal processing for terahertz integrated sensing and communication[J]. Journal on Communications, 2022, 43(2): 76-88.
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技术挑战 | 解决方案 | 优点 | 缺点 | 时间 | 文献 |
信号传播损伤严重 | 码本搜索算法 | 高频谱效率,低计算复杂度 | 信道良好时计算成本高 | 2018年 | 文献[ |
数字接收机算法链 | 有效应对信号损伤,高精度低失真补偿 | 非实时处理 | 2020年 | 文献[ | |
ADMM-Net | 有效降低各类干扰,计算误差和成本低于传统ADMM算法 | 要求干扰稀疏 | 2021年 | 文献[ | |
FSST+CNN | 提取特征丰富 | 计算量较高,要求信噪比高 | 2020年 | 文献[ | |
RamNet | 提取特征丰富,对信噪比要求不高 | 计算量高 | 2021年 | 文献[ | |
Ku波段通信+毫米波感知 | 硬件利用效率高,信号频域分离降低处理难度 | 信号功率低 | 2021年 | 文献[ | |
信号功率衰减严重 | MPSK-LFM | 实现简单,采用高功率放大器 | 通信速率不高,功率泄露明显 | 2020年 | 文献[ |
最小化最坏情况系统发射功率 | 显著降低对系统发射功率要求,对不同场景具有一定的稳健性 | 难以实现联合最优,优化问题求解复杂 | 2018年 | 文献[ | |
OCDM | 通信速率高,相比OFDM误码率更低 | 实现复杂度较高,模糊函数旁瓣较高 | 2018年 | 文献[ | |
利用深度学习和半正定规划设计恒模波形 | 有效求解非凸问题,低SNR条件下实现高SINR | 计算量较高 | 2017年 | 文献[ | |
波束斜视效应明显 | 模拟/数字预编码 | 减轻波束斜视,提高传输速率 | 需要特定天线结构 | 2021年 | 文献[ |
基向量逼近最优预编码/组合器 | 有效减轻波束斜视 | 只能实现渐进最优 | 2021年 | 文献[ |
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