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Circular $\theta$ -QAM: A Circle-Shaped QAM for Higher-Order Modulation

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2019Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Access, volume 7, pages 149,005-149,012 (eissn: 2169-3536, Copyright policy )
Authors: Seongjin Ahn; Dongweon Yoon;

doi: 10.1109/access.2019.2946339

Circular $\theta$ -QAM: A Circle-Shaped QAM for Higher-Order Modulation

Abstract

This paper proposes M-ary circular θ-quadrature amplitude modulation (CTQAM) for M = 2l, l ≥ 4, which is constructed by rearrangement of the signal points based on θ-QAM. We provide a construction method for the signal constellation of CTQAM and analyze the symbol and bit error performances of M-ary CTQAM in additive white Gaussian noise (AWGN) and Nakagami-m fading channels. Through computer simulations, we validate theoretical results.

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Keywords

Electrical engineering. Electronics. Nuclear engineering, Quadrature amplitude modulation, error probability, higher-order modulation, TK1-9971

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    popularity
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    influence
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
gold