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首页> 外文期刊>Wireless communications & mobile computing >Multiconnectivity for Mobility Robustness in Standalone 5G Ultra Dense Networks with Intrafrequency Cloud Radio Access
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Multiconnectivity for Mobility Robustness in Standalone 5G Ultra Dense Networks with Intrafrequency Cloud Radio Access

机译：具有频率内云无线电接入的独立5G超密集网络中的移动鲁棒性的多连接性

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摘要

Capacity and ultra-reliable communication are some of the requirements for 5th generation (5G) networks. One of the candidate technologies to satisfy capacity requirement is standalone Ultra Dense Network (UDN). However, UDNs are characterized by fast change of received signal strength that creates mobility challenges in terms of increased handovers and connection failures. In this paper, a low layer multiconnectivity scheme is presented for standalone UDN aiming at ultra-reliable communication that is free of interruptions from handover procedures and connection failures. Furthermore, the problem in managing of the set of serving cells, that are involved in multiconnectivity for each user, is formulated. By using numerical method, feasible scheme for management of the set of serving cells is derived. Performance of the proposed multiconnectivity scheme is evaluated and compared against single connectivity. It is shown that the proposed multiconnectivity scheme outperforms single connectivity considerably in terms of connection failures and cell-edge throughput.
机译：容量和超可靠的通信是第五代（5G）网络的一些要求。独立的超密集网络（UDN）是满足容量要求的候选技术之一。但是，UDN的特点是接收信号强度的快速变化，这在切换和连接失败增加方面带来了移动性挑战。在本文中，针对独立UDN提出了一种低层多连接方案，旨在实现超可靠的通信，该通信不会因切换过程和连接故障而中断。此外，提出了在管理服务小区集合中涉及每个用户的多连接性的问题。通过使用数值方法，得出了管理服务小区集合的可行方案。评估了所提出的多连接方案的性能，并与单连接进行了比较。结果表明，在连接失败和小区边缘吞吐量方面，所提出的多重连接方案明显优于单一连接。

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