...议 参考架构中包含了两个新的功能实体来支持在MAC 和PHY 层的CR 功能, 分别是频谱检测功能实体(SSF, Spectrum Sensing Function)和地理位置功能实体 (Geo-location)。
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Then, three aspects of spectrum sensing are studied, including sensing requirements, sensing function and sensing plan.
然后,从三个方面对频谱感知进行了研究,包括频谱感知要求,频谱感知功能和频谱感知方案。
Spectrum sensing technology is a key component of cognitive radio whose function is to find out the empty frequency bands quickly and reliably.
频谱检测是感知无线电的关键技术之一,要求感知用户可靠、快速地检测频谱空洞。
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