Photonic aided vector millimeter-wave signal generation without digital-to-analog converter |
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Authors: | Yanyi Wang Kaihui Wang Wen Zhou Jianjun Yu |
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Institution: | (Shanghai Institute for Advanced Communication and Data Science,Key Laboratory for Information Science of Electromagnetic Waves,Fudan University,Shanghai 200433,China5) |
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Abstract: | A novel scheme of photonic aided vector millimeter-wave(mm-wave) signal generation without a digital-to-analog converter(DAC) is proposed. Based on our scheme, a 20 Gb/s 4-ary quadrature amplitude modulation(4-QAM) mm-wave signal is generated without using a DAC. The experiment results demonstrate that the bit error rate(BER) of 20 Gb/s 4-QAM mmwave signal can reach below the hard-decision forward-error-correction threshold after a delivery over 1 m wireless distance. Because the DAC is not required, it can reduce the system cost. Besides, by using photonic technology, the system is easily integrated to create large-scale production and application in high-speed optical communication. |
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