论文标题
超越5G网络的灵活IAB架构
A Flexible IAB Architecture for Beyond 5G Network
论文作者
论文摘要
IAB是一种创新的无线回程解决方案，可提供成本效益的小细胞部署，以成功采用5G。此外，IAB可以利用相同的频谱来访问和回程目的。第16版中的3GPP标准化IAB，将在即将发布的版本中包含一些增强功能。但是，3GPP IAB架构受到了一些局限性，例如不支持移动继电器或双重连接性。本文介绍了一种新型的IAB架构，该结构解决了这些局限性，并且对5G系统的传统操作是透明的。该体系结构还支持多鼠共存，其中访问和回程可能属于不同的大鼠。这些因素（以及许多其他因素）使运营商能够以插件方式利用架构来部署IAB。我们还通过评估与3GPP体系结构相比评估其容量和移动性鲁棒性来展示该体系结构的优点。模拟结果证实了我们的设计方法。由于其强大的设计，该体系结构可以在B5G系统中争夺标准化。
IAB is an innovative wireless backhaul solution to provide cost-efficient deployment of small cells for successful 5G adoption. Besides, IAB can utilize the same spectrum for access and backhaul purposes. The 3GPP standardized IAB in Release 16 and would incorporate a few enhancements in the upcoming releases. The 3GPP IAB architecture, however, suffers from some limitations, such as it does not support mobile relays or dual-connectivity. This article presents a novel IAB architecture that addresses these limitations and is transparent to legacy operations of the 5G system. The architecture also supports multi-RAT coexistence where access and backhaul may belong to different RATs. These factors (and many others) enable operators to capitalize on the architecture for deploying IAB anywhere in a plug-and-play manner. We also show the merits of the architecture by evaluating its capacity and mobility robustness compared to the 3GPP architecture. Simulation results corroborate our design approach. Owing its robust design, the architecture can contend for standardization in B5G system.
