Analysis of 5G Signal for Radar Application

Liu, Baojin; Lyu, Xiaoyong; Fan, Wenbing

doi:10.1088/1742-6596/2356/1/012027

Cited by 2 publications

(1 citation statement)

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“…With the exponential growth of communications as well as radar, lidar, sensing and other bandwidth hungry applications, the generation of high-quality, broad-band signals become increasingly important [1][2][3]. The required signal bandwidth of these applications can reach several tens or even hundreds of gigahertz [4].…”

Section: Introductionmentioning

confidence: 99%

Orthogonal Sampling-Based Broad-Band Signal Generation With Low-Bandwidth Electronics

Hosni,

Meier,

Mandalawi

et al. 2023

IEEE Open J. Commun. Soc.

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High-bandwidth signals are needed in many applications like radar, sensing, measurement and communications. Especially in optical networks, the sampling rate and analog bandwidth of digital-to-analog converters (DACs) is a bottleneck for further increasing data rates. To circumvent the sampling rate and bandwidth problem of electronic DACs, we demonstrate the generation of wide-band signals with lowbandwidth electronics. This generation is based on orthogonal sampling with sinc-pulse sequences in N parallel branches. The method not only reduces the sampling rate and bandwidth, at the same time the effective number of bits (ENOB) is improved, dramatically reducing the requirements on the electronic signal processing. In proof of concept experiments the generation of analog signals, as well as Nyquist shaped and normal data will be shown. In simulations we investigate the performance of 60 GHz data generation by 20 and 12 GHz electronics. The method can easily be integrated together with already existing electronic DAC designs and would be of great interest for all high-bandwidth applications.

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