认知无线电系统与宏观细胞系统共存的可实现容量

2011 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications (CROWNCOM) Pub Date : 2011-06-01 DOI:10.4108/ICST.CROWNCOM.2011.245822

H. Fujii, S. Miura, H. Kayama

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引用次数: 1

摘要

从理论上分析了认知无线电系统(CRS)在使用分配给宏蜂窝系统的频谱时的可实现容量。在频谱共享机制方面，我们考虑了先听后讲和自适应发射功率控制两种方法。此外，还对CRS站的室内外安装进行了研究。数值结果揭示了安装在宏小区系统覆盖范围内的CRS基站所获得的容量。

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Achievable capacity of cognitive radio systems coexisting with a macro cellular system

A theoretical analysis of achievable capacity by a cognitive radio systems is discussed, when the cognitive radio system (CRS) uses spectrum allocated to a macro cellular system. As for the spectrum sharing mechanisms, we consider two methods based on listen-before-talk and adaptive transmit power control principles. Moreover, outdoor and indoor installations of CRS stations are investigated. Numerical results reveal capacities achieved by CRS base stations installed within the coverage area of the macro cell system.

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来源期刊

2011 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications (CROWNCOM)

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