Error performance of OFDM-QAM in subcarrier multiplexed fiber-optic transmission

被引：17
|
作者：
Shi, Q
机构：
[1] Panasonic Technologies, Inc., Commun. Syst. Technology Laboratory, Princeton
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1997年 / 9卷 / 06期
关键词：
bit-error rate; error analysis; FFT's; frequency modulation; optical modulation depth; quadrature amplitude modulation; subcarrier multiplexed;
D O I：
10.1109/68.585010
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Error performance of OFDM-QAM signals is analyzed for subcarrier multiplexed (SCM) fiber-optic video transmission, particularly for hybrid AM/OFDM systems, In comparison with conventional M-QAM signals, it is shown that the OFDM system provides significant performance improvements in terms of bit-error rate (BER), channel capacity, and operating range of the optical modulation depth, in the lightwave SCM environment where both the clipping impulse noise and Gaussian noise are present, As a result, the OFDM signals will introduce less interference effects on the nominal AM channels than the M-QAM signals under the same operating conditions.
引用
收藏
页码：845 / 847
页数：3
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