Open Access
表1
系统参数
| 参数名称 | 取值 |
| 卫星节点数V | 6 |
| 轨道高度/km | 约480 |
| 卫星类型 | LEO |
| 多普勒范围/kHz | ±1 |
| 码本宽度M | 4 |
| 多用户检测算法 | MAX-LOG-MPA |
| 通信帧长度/bit | 10 000 |
| 信道编码方式 | 2/3 Polar码 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.