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引用次数: 0
摘要
本文提出了动态数字多载波收发器DFDM (Dynamic Frequency Division Multiplexing)系统。该系统旨在利用由于向信道提供保护带和随机分配频谱而产生的宽频带内的频谱碎片。该系统实现了对超高频(UHF)频段和噪声底以下通信链路空白频段的动态频谱利用。
This paper presents the DFDM (Dynamic Frequency Division Multiplexing) system, a dynamic digital multi-carrier transceiver concept. The system aims at exploiting the spectrum fragmentation in widely separated spectrum bands, which is due to guard bands provided to channels and random spectrum allocations. The system implements dynamic spectrum exploitation of the white spaces in UHF (Ultra High Frequency) band and also below noise floor communication links.
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