Sensitivity to signal quantization of 43 Gb/s and 107 Gb/s optical 16-QAM OFDM transmission with coherent detection

被引：2
|
作者：
Pachnicke, Stephan [1 ]
Oezduer, Sinan [2 ]
Griesser, Helmut [3 ]
Fuerst, Cornelius [3 ]
Krummrich, Peter M. [1 ]
机构：
[1] TU Dortmund, High Frequency Inst, D-44221 Dortmund, Germany
[2] EnBW AG, D-76135 Karlsruhe, Germany
[3] Ericsson GmbH, D-71522 Backnang, Germany
来源：
OPTICAL FIBER TECHNOLOGY | 2009年 / 15卷 / 5-6期
关键词：
Fiber optic transmission systems; Long-haul transmission; Optical fiber nonlinearity; Orthogonal-frequency division multiplexing (OFDM);
D O I：
10.1016/j.yofte.2009.06.001
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：
The sensitivity of optical orthogonal-frequency division multiplexing (OFDM) transmission to the finite resolutions of the digital-to-analog (DAC) and analog-to-digital converters (ADC) has been analyzed using numerical simulations. We show that for back-to-back configuration the requirements regarding the number of quantization bits for the DACs are similar to the ones of the ADCs. After transmission over metro and long-haul distances a higher resolution of the DAC/ADC is required compared to back-to-back configuration. We show that after transmission it is sufficient to enhance either the ADC resolution or the DAC resolution by 1 bit. (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码：414 / 419
页数：6
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