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The Magic of Superposition: A Survey on the Simultaneous Transmission Based Wireless Systems
arXiv - CS - Information Theory Pub Date : 2021-02-25 , DOI: arxiv-2102.13144
Ufuk Altun, Gunes Kurt, Enver Ozdemir

In conventional communication systems, any interference between two communicating points is regarded as unwanted noise since it distorts the received signals. On the other hand, allowing simultaneous transmission and intentionally accepting the interference of signals and even benefiting from it have been considered for a range of wireless applications. As prominent examples, non-orthogonal multiple access (NOMA), joint source-channel coding, and the computation codes are designed to exploit this scenario. They also inspired many other fundamental works from network coding to consensus algorithms. Especially, federated learning is an emerging technology that can be applied to distributed machine learning networks by allowing simultaneous transmission. Although various simultaneous transmission applications exist independently in the literature, their main contributions are all based on the same principle; the superposition property. In this survey, we aim to emphasize the connections between these studies and provide a guide for the readers on the wireless communication techniques that benefit from the superposition of signals. We classify the existing literature depending on their purpose and application area and present their contributions. The survey shows that simultaneous transmission can bring scalability, security, low-latency, low-complexity and energy efficiency for certain distributed wireless scenarios which are inevitable with the emerging Internet of things (IoT) applications.

中文翻译:

叠加的魔力:基于同时传输的无线系统的调查

在常规通信系统中,两个通信点之间的任何干扰都被视为有害噪声,因为它会使接收到​​的信号失真。另一方面,对于一系列无线应用,已经考虑允许同时传输并有意地接受信号的干扰,甚至从中受益。作为突出的示例,非正交多路访问(NOMA),联合源信道编码和计算代码旨在利用这种情况。他们还启发了许多其他基础工作,从网络编码到共识算法。特别是,联合学习是一种新兴技术,可以通过允许同时传输而应用于分布式机器学习网络。尽管文献中独立存在各种同时传输的应用,它们的主要贡献都基于相同的原则;叠加属性。在这项调查中,我们旨在强调这些研究之间的联系,并为读者提供受益于信号叠加的无线通信技术的指南。我们根据现有文献的目的和应用领域对它们进行分类,并介绍它们的贡献。调查显示,对于某些分布式无线场景,同步传输可以带来可扩展性,安全性,低延迟,低复杂度和能效,这是新兴的物联网(IoT)应用程序不可避免的。我们旨在强调这些研究之间的联系,并为读者提供受益于信号叠加的无线通信技术的指南。我们根据现有文献的目的和应用领域对它们进行分类,并介绍它们的贡献。调查显示,对于某些分布式无线场景,同步传输可以带来可扩展性,安全性,低延迟,低复杂度和能效,这是新兴的物联网(IoT)应用程序不可避免的。我们旨在强调这些研究之间的联系,并为读者提供受益于信号叠加的无线通信技术的指南。我们根据现有文献的目的和应用领域对它们进行分类,并介绍它们的贡献。调查显示,对于某些分布式无线场景,同步传输可以带来可扩展性,安全性,低延迟,低复杂度和能效,这是新兴的物联网(IoT)应用程序不可避免的。
更新日期:2021-03-01
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