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Circular theta-QAM: A Circle-Shaped QAM for Higher-Order Modulation
- Ahn, Seongjin;
- Yoon, Dongweon
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WEB OF SCIENCE
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7초록
This paper proposes M-ary circular theta-quadrature amplitude modulation (CTQAM) for M = 2(l), l >= 4, which is constructed by rearrangement of the signal points based on theta-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.
키워드
Quadrature amplitude modulation; higher-order modulation; error probability; Fading channels; Gaussian noise (electronic); White noise; Additive White Gaussian noise; Bit-errors; Construction method; Error probabilities; Higher order modulation; Nakagami; Signal constellation; Signal point; Quadrature amplitude modulation
- 제목
- Circular theta-QAM: A Circle-Shaped QAM for Higher-Order Modulation
- 저자
- Ahn, Seongjin; Yoon, Dongweon
- 발행일
- 2019-10
- 유형
- Article
- 저널명
- IEEE Access
- 권
- 7
- 페이지
- 149005 ~ 149012
- 언어
- ENG
- 출판사
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- 발행국가
- 미국
- 분량
- 8 페이지
- ISSN
- P 2169-3536