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arXiv 2105.14830cs.ITmath.IT
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NOMA在多用户BackCom网络中的优势

Advantages of NOMA for Multi-User BackCom Networks

Zhiguo Ding, H. Vincent Poor

摘要:

环境后向散射通信(BackCom)面临着单个BackCom设备可能无意中占用多个正交资源块的挑战。因此,为了避免同信道干扰,传统的方法是在不同的时隙中服务多个BackCom设备,这降低了频谱效率和连接性。这封信表明,使用非正交多址接入(NOMA)可以有效地提高系统的吞吐量和支持大规模连接环境BackCom网络。特别是,两个收发器的设计方法中开发的信中实现不同的系统性能和复杂性之间的权衡。

英文摘要:

Ambient backscatter communication (BackCom) is faced with the challenge that a single BackCom device can occupy multiple orthogonal resource blocks unintentionally. As a result, in order to avoid co-channel interference, a conventional approach is to serve multiple BackCom devices in different time slots, which reduces both spectral efficiency and connectivity. This letter demonstrates that the use of non-orthogonal multiple access (NOMA) can efficiently improve the system throughput and support massive connectivity in ambient BackCom networks. In particular, two transceiver design approaches are developed in the letter to realize different tradeoffs between system performance and complexity.

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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