Squared envelope-based SNR estimation

In order to pursue rapid development of the new generation of wireless communication systems and elevate their security and efficiency, this paper proposes a novel scheme for automatic dual determination of modulation types and signal to noise ratios (SNR) for next generations of wireless communication systems, fifth-generation (5G) and beyond. The proposed scheme adopts unique signatures depicted in two-dimensional asynchronously sampled in-phase-quadrature amplitudes' histograms (2D-ASIQHs)-based images and applies the support vector machines (SVMs) tool. Along with the estimation of the instantaneous SNR values over 0-35 dB range, the determination of nine modulation types that belong to different modulation categories i.e., phase-shift keying (Binary-PSK, Quadrature-PSK, and 8-PSK), amplitude-shift keying (2-ASK and 4-ASK) and quadrature-amplitude modulation (4-QAM, 16-QAM, 32-QAM, and 64-QAM) could be achieved by this scheme. The application of this scheme has been simulated using a channel model that is impaired by additive white Gaussian noise (AWGN) and Rayleigh fading, covering a broad range of SNRs of 0-35 dB. The performance of this dual-determination scheme shows high modulation recognition accuracy and low mean SNR estimation error. Therefore, it can be a better alternative for designers of next generation wireless communication systems.

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“…where h I (t) is the in-phase component given in (17), and h Q (t) is the quadrature component expressed in ( 18)…”

Section: Table 1 Values Of Parameters Used In the Simulationsmentioning

confidence: 99%

“…modulation type i.e. automatic modulation recognition (AMR) [8]- [16] or signal-to-noise ratio (SNR) [17]- [20] rather than on dual identification of multiple parameters. Additionally, they entail tight-synchronous and fast sampling of the detected signals.…”

Section: Introductionmentioning

confidence: 99%

Dual-Determination of Modulation Types and Signal-to-Noise Ratios Using 2D-ASIQH Features for Next Generation of Wireless Communication Systems

et al. 2021

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“…With the increasing development of sports, Aerobics as the backbone of physical courses gets the welcome of many college students. In all kinds of sportswear, their favorite is aerobics clothing [1] . Recently, a lot of famous international sportswear companies are sweeping into the domestic market, resulting in intense competition [2] .…”

Section: Introductionmentioning

confidence: 99%

Aerobics Clothing Consumption Behavior of College Students in Hangzhou

Yan

Lou

et al. 2011

AMR

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Paper studies the aerobics clothing consumption behavior of college students in Hangzhou. By the way of detailed questionnaire and statistics analysis, the survey gets the conclusions about the preferred shopping site, factors influencing consumers` shopping decision, price choices, sources of information, color preference and decorative elements. So the research can help the enterprise fully understand college students` consumption behavior of aerobics clothing and meet their demands.

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