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Development of UHDTV Wireless Camera Transmitter using Millimeter-Wave Band

机译:利用毫米波波段开发UHDTV无线摄像机发射器

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Currently, we are researching a single-carrier transmission with frequency domain equalization (SC-FDE), which is robust to power-amplifier distortion and superior in power efficiency for 4K and 8K ultrahigh-definition television (UHDTV) wireless cameras using 42-GHz band of millimeter wave. In this paper, we describe a prototype of a transmitter with the SC-FDE and evaluate its transmission performance. A compact transmitter that can transmit 200-Mbps-class UHDTV signals was obtained by doubling the channel bandwidth of our previous 80-Mbps-class high-definition television wireless camera through orthogonal frequency division multiplexing. The transmission power was doubled to compensate the noise generated by the doubled bandwidth.
机译:当前,我们正在研究具有频域均衡(SC-FDE)的单载波传输,这种传输对功率放大器失真具有鲁棒性,并且对于使用42 GHz的4K和8K超高清电视(UHDTV)无线摄像机具有更高的功率效率毫米波波段。在本文中,我们描述了带有SC-FDE的发射机的原型,并评估了其传输性能。通过正交频分复用将我们之前的80 Mbps级高清电视无线摄像机的信道带宽加倍,从而获得了一种可以发送200 Mbps级UHDTV信号的紧凑型发射机。传输功率增加了一倍,以补偿带宽增加一倍所产生的噪声。

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