Development of UHDTV Wireless Camera Transmitter using Millimeter-Wave Band

Y. Matsusaki, Fumiya Yamagishi, Akiko Yamasato, T. Nakagawa, S. Okabe, N. Iai
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引用次数: 2

Abstract

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.
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毫米波波段超高清电视无线摄像发射机的研制
目前,我们正在研究一种具有频域均衡(SC-FDE)的单载波传输,该传输对功率放大器失真具有鲁棒性,并且具有优越的功率效率,适用于使用42 ghz毫米波频段的4K和8K超高清电视(UHDTV)无线摄像机。本文描述了一个带有SC-FDE的发射机原型,并对其传输性能进行了评估。采用正交频分复用技术,将现有80 mbps级高清电视无线摄像机的信道带宽提高一倍,获得了一种能够传输200 mbps级超高清电视信号的小型发射机。传输功率增加一倍,以补偿带宽增加一倍所产生的噪声。
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