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首页> 外文会议>Proceedings of the International Conference on Data Communication Networking and International Conference on Optical Communication System >Optical MIMO multimode fiber links channel measurements and system performance analysis
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Optical MIMO multimode fiber links channel measurements and system performance analysis

机译：光学MIMO多模光纤链路信道测量和系统性能分析

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摘要

Wireless communication is nowadays one of the areas attracting a lot of research activity due to the strongly increasing demand in high-data rate transmission systems. The use of multiple antennas at both the transmitter and receiver side has stimulated one of the most important technical breakthroughs in recent communications allowing increasing the capacity and dropping the bit-error rate. However, multiple-input multiple-output (MIMO) systems are not limited to wireless MIMO systems and can be observed in a huge variety of transmission links and network parts and have attracted a lot of attention since the mid 90's. In the field of optical MIMO transmission systems, multi-mode (MM) fibre offers the possibility to transmit different signals by different mode groups. The perspective of the MIMO philosophy within the field of optical transmission systems is elaborated in this contribution based on channel measurements within a (2 × 2) MIMO system. For the channel measurements the second optical window and a fibre length of 1,4 km was chosen. Computer simulations on an overall data rate of 10,24 Gbps underline the potential of multi-mode fibres in optical high-data rate MIMO communication systems and show that in order to achieve the best bit-error rate, not necessarily all MIMO layers have to be activated.
机译：由于对高数据速率传输系统的强烈需求，如今无线通信已成为吸引大量研究活动的领域之一。在发射器和接收器侧都使用多个天线刺激了最近通信中最重要的技术突破之一，从而可以增加容量并降低误码率。但是，多输入多输出（MIMO）系统不限于无线MIMO系统，并且可以在各种各样的传输链路和网络部分中观察到，并且自90年代中期以来就引起了很多关注。在光学MIMO传输系统领域，多模（MM）光纤提供了通过不同模式组传输不同信号的可能性。此贡献基于（2×2）MIMO系统中的信道测量，详细阐述了光传输系统领域中MIMO原理的观点。对于信道测量，选择第二个光学窗口和1,4 km的光纤长度。在10,24 Gbps的总数据速率上进行的计算机仿真突显了多模光纤在光学高数据速率MIMO通信系统中的潜力，并表明为了获得最佳的误码率，不一定所有MIMO层都必须被激活。

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