Adaptive Modulation With CAZAC Preamble-Based Signal-to-Noise-Ratio Estimator in OFDM Cooperative Communication System
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3225437
Abstract: This paper presents an adaptive modulation in a single-input-single-output (SISO)-OFDM-based cooperative system that employs a Constant Amplitude Zero Autocorrelation (CAZAC) preamble-based SNR estimator. A novel CAZAC preamble-based SNR estimator that does not incur a throughput… read more here.
Keywords: cazac; modulation; tex math; inline formula ... See more keywords
Performance-enhanced indoor MIMO-OFDM visible light communications using individual/joint CAZAC precoding techniques.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.409761
Abstract: In this paper, efficient individual and joint constant amplitude zero auto-correlation (CAZAC) precoding schemes are proposed to improve the performance of an indoor multiple-input multiple-output-orthogonal frequency division multiplexing (MIMO-OFDM)-based visible light communication (VLC) system. By… read more here.
Keywords: cazac; cazac precoding; performance; mimo ofdm ... See more keywords
Cubic metric reduction for repetitive CAZAC sequences in frequency domain
Sign Up to like & getrecommendations! Published in 2021 at "China Communications"
DOI: 10.23919/jcc.2021.12.012
Abstract: To meet the requirements of Occupied Channel Bandwidth (OCB) of unlicensed spectrum, in NR-based Access to Unlicensed Spectrum (NR-U) of 5G New Radio (NR) system, the channels of PRACH and PUCCH have to employ some… read more here.
Keywords: cazac sequences; cazac; cubic metric; frequency domain ... See more keywords