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arXiv 2004.11343cs.NIeess.SP
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扩展Lora调制以添加更多并行信道并提高LoRaWAN网络性能

Extending the Lora modulation to add further parallel channels and improve the LoRaWAN network performance

Lorenzo Vangelista, Alessandro Cattapan

摘要:

在本文中,我们提出了一种新的调制,称为DLoRa,在原理上类似于传统的LoRa调制,并在带宽和数字学方面与之兼容。DLoRa与传统的LoRa调制不同,因为它在啁啾中使用减小的瞬时频率,而不是像传统的LoRa调制那样使用增加的瞬时频率。此外,我们描述了一个软件环境,以准确地评估“隔离”的不同的虚拟通道创建的LoRa和DLoRa时,使用不同的扩频因子。我们的结果与文献中针对传统LoRa调制的结果一致,并表明同时使用LoRa和DLora可以将通道数量增加一倍。更高(双倍)数量的可用子信道是提高基于LoRa网络的网络级性能的关键。

英文摘要:

In this paper we present a new modulation, called DLoRa, similar in principle to the conventional LoRa modulation and compatible with it in terms of bandwidth and numerology. DLoRa departs from the conventional LoRa modulation as it is using a decreasing instantaneous frequency in the chirps instead of an increasing one as for the conventional LoRa modulation. Furthermore we describe a software environment to accurately evaluate the "isolation" of the different virtual channels created both by LoRa and DLoRa when using different Spreading Factors. Our results are in agreement with the ones present in literature for the conventional LoRa modulation and show that it is possible to double the number of channels by using simultaneously LoRa and DLora. The higher (double) number of subchannels available is the key to improve the network level performance of LoRa based networks.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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