多元位置3值VMAP调制解调器

doi:10.3969/j.issn.1000-436x.2013.08.023

Abstract

Abstract:

In order to improve the spectral efficiency and energy efficiency of asymmetry,random-polar and very minimum amplitude and phase (ARP-VMAP) modulated signal simultaneously,an M-ary position and three-valued VMAP modulation was presented,and the receiver based on BP neural network or support vector machine demodulator was also designed.The contrast and analysis of the power spectrum,the ?60 dB bandwidth,the spectral efficiency,and the demodulation performance among modulations as the ARP-VMAP,the three-valued VMAP,the M-ary position ARP-VMAP,and the M-ary position and three-valued VMAP,were carried out.Simulation results show that the new modem not only raise spectral efficiency,but also improve demodulation performance significantly.

Key words: spectral efficiency, energy efficiency, BP neural network, support vector machine, asymmetry,random-polar and very minimum amplitude and phase modulation

Yi JIN,Le-nan WU,Jing YU,Lei DENG. M-ary position and three-valued VMAP modem[J]. Journal on Communications, 2013, 34(8): 177-184.

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References 22

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带宽(kHz)/频谱利用率(bit·s^?1·Hz^?1)			N
带宽(kHz)/频谱利用率(bit·s^?1·Hz^?1)	10	20		30	40
ARP-VMAP-I调制	8.97/238	4.48/238		2.99/238	2.22/241
ARP-VMAP-II调制	8.97/238	4.48/238		2.99/238	2.22/241
3值VMAP-I调制	8.97/376	4.48/376		2.99/376	2.22/381
3值VMAP-II调制	8.97/376	4.48/376		2.99/376	2.22/381
四元位置ARP-VMAP-I调制	8.97/476	4.48/476		2.99/476	2.22/482
四元位置ARP-VMAP-II调制	8.97/476	4.48/476		2.99/476	2.22/482
四元位置3值VMAP-I调制	8.97/668	4.48/668		2.99/668	2.22/677
四元位置3值VMAP-II调制	8.97/668	4.48/668		2.99/668	2.22/677

M-ary position and three-valued VMAP modem

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