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Analysis of Utilization Bandwidth and Power Transponder Extended C-Band On The Satellite Telkom 3S VSAT SCPC

机译:利用带宽和功率应答器在卫星Telkom 3S VSAT SCPC上的C波段分析

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On satellite communication systems, bandwidth and power are limited and expensive resources. Optimization of bandwidth and power utilization in Telkom 3S Satellite could be achieved if the ratio value of the percentage of bandwidth and power is 1: 1. The optimization conditions are influenced by the calculation of the link budget, the use of appropriate modulation and FEC settings. QPSK and 8-PSK modulation techniques with FEC used are ?, 7/8, and 0.9 with a 9 m Hub antenna and VSAT SCPC with a diameter of 2.4 m and the same data rate of 1024 kbps. Based on the results of this research, the lower the modulation technique used, the lower the ratio of bandwidth and power. The most optimal FEC value to be used is 8-PSK modulation at FEC 0.93 with the resulting percentage is 97.25%, where the total carrier bandwidth generated is 93.415, and the amount of carrier power is 96.05, while the worst is modulation QPSK is at the FEC of 3/4 by producing a percentage of 35% which falls into the limited power category. Thus, the most appropriate modulation used on the Telkom 3S Satellite is the 8-PSK modulation with an FEC of 0.93.
机译:在卫星通信系统上,带宽和功率是有限且昂贵的资源。如果带宽和功率百分比的比率值为1:1,可以实现Telkom 3S卫星在Telkom 3S卫星中的带宽和电力利用的优化。优化条件受连杆预算计算的影响,使用适当的调制和FEC设置。使用FEC的QPSK和8-PSK调制技术是?,7/8和0.9,带有9米的集线天线和VSAT SCPC,直径为2.4米,数据速率为1024 kbps。基于本研究的结果,使用的调制技术越低,带宽和功率的比率越低。要使用的最佳FEC值是8-PSK调制在0.93中,结果百分比为97.25%,其中产生的总载波带宽为93.415,载体功率的量为96.05,而最坏的是调制QPSK FEC为3/4通过产生35%的百分比,其落入有限的电力类别。因此,Telkom 3S卫星上使用的最合适的调制是8-PSK调制,FEC为0.93。

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