High Power Efficient Quadrature Amplitude Modulation Soft Decision Algorithm
Sign Up to like & getrecommendations! Published in 2018 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-5083-5
Abstract: The quadrature amplitude modulation (QAM) is the basic technology on high speed broadband communication physical level symbol mapping. Systems requiring lower signal to noise ratio to achieve the same error probability are more power-efficient. The… read more here.
Keywords: modulation; soft decision; quadrature amplitude; power ... See more keywords
Robust and Unified VLC Decoding System for Square Wave Quadrature Amplitude Modulation Using Deep Learning Approach
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2952465
Abstract: We have proposed a square wave quadrature amplitude modulation (SW-QAM) scheme for visible light communication (VLC) using an image sensor in our previous work. Here, we propose a robust and unified system by using a… read more here.
Keywords: quadrature amplitude; method; square wave; robust unified ... See more keywords
Performance enhanced geometrically shaped 32-ary quadrature amplitude modulation enabled by swarm intelligence algorithm
Sign Up to like & getrecommendations! Published in 2023 at "Optical Engineering"
DOI: 10.1117/1.oe.62.5.058101
Abstract: Abstract. The geometrically shaped 32-ary quadrature amplitude modulation (GS-32QAM) signal enabled by swarm intelligence algorithm is proposed in high-speed and long-haul coherent optical communication system. The geometric shaping (GS) is obtained by constructing a generic… read more here.
Keywords: geometrically shaped; amplitude modulation; signal; ary quadrature ... See more keywords
Digital Demodulator of the Quadrature Amplitude Modulation Signals
Sign Up to like & getrecommendations! Published in 2018 at "Measurement Science Review"
DOI: 10.1515/msr-2018-0032
Abstract: Abstract In this paper, the digital algorithm and the device for the demodulation of the quadrature amplitude modulation signals are considered. The fundamental advantages of our approach are simple hardware implementation, minimal number of arithmetic… read more here.
Keywords: amplitude modulation; modulation signals; quadrature amplitude; demodulator ... See more keywords