Open Access
表1
LDACS系统的仿真技术参数
| 参数 | 数值 |
| LDACS系统载波频率/kHz | 500 |
| 传输带宽/kHz | 498.05 |
| FFT长度 | 64 |
| 子载波间距/kHz | 9.765 625 |
| 采样间隔/μs | 0.4 |
| 循环前缀时间/μs | 17.6 |
| 有效符号时间/μs | 102.4 |
| OFDM符号周期/μs | 120 |
| 有效子载波个数 | 50 |
| 信道编码 | RS+卷积编码 |
| 调制方式 | QPSK |
| DME载波偏移量/kHz | 500 |
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