基于概率整形的離散傅里葉變換擴(kuò)展的300 GHz OFDM太赫茲無線傳輸系統(tǒng)
摘要: 為了適應(yīng)高速大容量的通信需求,提出了采用基于概率整形(PS, Probabilistic Shaping),離散多音調(diào)制(DMT, Discrete Multi-tone Modulation)和離散傅里葉變換擴(kuò)展技術(shù)(DFT, Discrete Fourier Transform)實(shí)現(xiàn)300GHz太赫茲信號(hào)無線傳輸。概率整形通過增加星座點(diǎn)距離提升信號(hào)接收機(jī)靈敏度,可最多降低5... (共8頁)
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