基于功率复用的椭圆球面波函数非正交调制方法

doi:10.7527/S1000-6893.2019.23102

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2019, Vol. 40 ›› Issue (9): 323102-323102.doi: 10.7527/S1000-6893.2019.23102

• Electronics and Electrical Engineering and Control • Previous Articles Next Articles

Power domain non-orthogonal pulse modulation based on prolate spheroidal wave function

LU Faping^1,2, WANG Hongxing^1,2, LIU Chuanhui^1,2, CHEN Zhaonan³, KANG Jiafang^1,2

1. Naval Aviation University, Yantai 264001, China;
2. Key Laboratory on Signal & Information Processing of Shandong Province, Yantai 264001, China;
3. 91550 Troop of the PLA, Dalian 116041, China

Received:2019-04-18 Revised:2019-05-20 Online:2019-09-15 Published:2019-06-06
Supported by:
National Natural Science Foundation of China (6170012154); Special Foundation Project of Taishan Scholar of Shandong Province (ts20081130)

Abstract

Abstract: To reduce the system error rate and detection complexity of non-Nrthogonal Pulse Modulation based on Prolate Spheroidal Wave Function (PSWF-NPSM), we introduce the idea of modulation signal power multiplexing, and propose Power Domain non-orthogonal multicarrier modulation based on PSWF (PD-PSWF-NPSM). The proposed method distributes power of carrier signal according to its waveband, increase the minimum Euclidean distance of modulation signal and reduces system error rate. At the receiving end, we propose successive interference cancellation detection method based on detection statistics, which separates and detects PSWF signal according to the power difference between different branch signals. Theoretical and simulation results show that the proposed method can effectively improve the system error performance and reduce the complexity of modulation signal detection without reducing the spectral efficiency, modulation signal power spectrum and peak-to-average power ratio characteristics. Compared with PSWF-NPSM, when Bit Error Ratio (BER) is 10^-5, the system error performance of the proposed method is improved by about 1.7 dB.

Key words: power domain, power distribution, prolate spheroidal wave function (PSWF), non-orthogonal modulation, Successive Interference Cancellation (SIC)

CLC Number:

V19
TN911.7

LU Faping, WANG Hongxing, LIU Chuanhui, CHEN Zhaonan, KANG Jiafang. Power domain non-orthogonal pulse modulation based on prolate spheroidal wave function[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2019, 40(9): 323102-323102.

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Power domain non-orthogonal pulse modulation based on prolate spheroidal wave function

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