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arXiv 2005.10937eess.SP
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非相干和反向散射通信:在6 G无线网络中实现超大规模连接

Non-Coherent and Backscatter Communications: Enabling Ultra-Massive Connectivity in 6G Wireless Networks

Syed Junaid Nawaz, Shree Krishna Sharma, Babar Mansoor, Mohmammad N. Patwary, Noor M. Khan

摘要:

随着无线网络5G的开始,全球的研究人员开始关注超5G(B5 G)时代可能出现的迫在眉睫的挑战。在5G网络中提供了各种革命性技术和创新服务,这些技术和服务以及许多主要优势预计将带来连接的无线设备数量的激增以及可能导致网络资源稀缺的用例类型。这些挑战部分地随着大规模机器类型通信(mMTC)服务的出现而出现,需要广泛的研究创新以在第六代\textsuperscript{th}(6 G)无线网络中以可扩展的网络成本维持向增强型mMTC(e-mMTC)的演进。为了提供预期的大规模连接需求,除了低硬件成本外,还具有最佳的能量和频谱效率,本文提出了一种用于6 G网络的使能框架,该框架利用两种新兴技术,即非相干通信和反向散射通信(BsC)。认识到这些技术在B5 G时代提供e-mMTC服务的联合潜力之间的一致性,对其最新技术进行了全面审查。还确定了非相干和BsC与其他新兴6 G技术的联合范围,其中审查的技术包括无人机(UAV)辅助通信,可见光通信(VLC),量子辅助通信,可重构大型智能表面(RLIS),非正交多址接入(NOMA)和机器学习辅助智能网络。随后,分析了这些使能技术针对不同设备类型、服务类型和优化参数的范围。

英文摘要:

With the commencement of the 5G of wireless networks, researchers around the globe have started paying their attention to the imminent challenges that may emerge in the beyond 5G (B5G) era. Various revolutionary technologies and innovative services are offered in 5G networks, which, along with many principal advantages, are anticipated to bring a boom in the number of connected wireless devices and the types of use-cases that may cause the scarcity of network resources. These challenges partly emerged with the advent of massive machine-type communications (mMTC) services, require extensive research innovations to sustain the evolution towards enhanced-mMTC (e-mMTC) with the scalable network cost in 6\textsuperscript{th} generation (6G) wireless networks. Towards delivering the anticipated massive connectivity requirements with optimal energy and spectral efficiency besides low hardware cost, this paper presents an enabling framework for 6G networks, which utilizes two emerging technologies, namely, non-coherent communications and backscatter communications (BsC). Recognizing the coherence between these technologies for their joint potential of delivering e-mMTC services in the B5G era, a comprehensive review of their state-of-the-art is conducted. The joint scope of non-coherent and BsC with other emerging 6G technologies is also identified, where the reviewed technologies include unmanned aerial vehicles (UAVs)-assisted communications, visible light communications (VLC), quantum-assisted communications, reconfigurable large intelligent surfaces (RLIS), non-orthogonal multiple access (NOMA), and machine learning-aided intelligent networks. Subsequently, the scope of these enabling technologies for different device types, service types, and optimization parameters is analyzed...

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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