Space-Integrated-Ground Information Networks ›› 2022, Vol. 3 ›› Issue (1): 18-26.doi: 10.11959/j.issn.2096-8930.2022003
Special Issue: 专题:卫星互联网前沿技术
• Special Issue: Frontier Technologies of Satellite Internet • Previous Articles Next Articles
Mengting HAO, Chen ZHANG, Gengxin ZHANG
Revised:
2022-03-03
Online:
2022-03-01
Published:
2022-03-01
Supported by:
CLC Number:
Mengting HAO, Chen ZHANG, Gengxin ZHANG. Beam Hopping Beam Optimization and Resource Allocation Algorithm Based on Phased Array[J]. Space-Integrated-Ground Information Networks, 2022, 3(1): 18-26.
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参数 | 符号 | 数值 |
优化前总波束数目 | K | 21 |
原波束覆盖半径 | r | 100 km |
原半功率角度 | θ3dB | 0.32° |
优化后各等级波束覆盖半径 | r | [100, 200, 250]km |
优化后各等级半功率角度 | θ3dB | [0.32° , 0.64° , 0.80°] |
总带宽 | Bt | 240 MHz |
总功率 | Pt | 100 W |
时间窗口长度 | W | 128 |
单个业务时隙 | t | 90 ms |
仿真时间 | Ts | 115 s |
卫星轨道高度 | H | 35 786 km |
自由空间损耗 | Lfree | 212 dB |
原天线传输增益 | GT | 54 dB |
优化后各等级的天线传输增益 | [54, 48, 46]dB | |
接收天线增益 | GR | 40 dB |
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