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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Optimizing Frequency Reuse in Multibeam Satellite Communication Systems
verfasst von : Weizhong Zhang, Wenchao Yang, Zhenyong Wang, Dezhi Li, Qing Guo
Erschienen in: Communications, Signal Processing, and Systems
Verlag: Springer Singapore
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Abstract
Frequency reuse (FR) is one of the most effective approaches for mitigating co-channel interference and improving the capacity of communication systems. However, there are some difficulties in applying it in multibeam satellite communication systems due to the nonuniform beam layout. In areas where beams are crowded, the interference from the adjacent cells is extremely high. By contrary, in areas with sparse beam layout, the interference from the surrounding cells is relatively low. Therefore, different regions require different frequency reuse factors (FRF), which brings about what the performance of traditional FR suffers seriously. In order to solve this problem, an optimized frequency reuse scheme is put forward.