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arXiv 1502.00281cs.NI
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处理密集网络中的移动性

Handling Mobility in Dense Networks

Ngoc-Dũng Đào, Hang Zhang, Hamid Farmanbar, Xu Li

摘要:

网络致密化是未来网络中大幅度提高网络容量的关键技术之一。研究并证明了固定终端网络密集化所获得的增益。然而对于移动用户来说,存在着切换频繁、移动性高导致的丢包、干扰管理等问题,传统的解决方案是将高速移动台切换到宏基站或将业务组播到多个基站。这些解决方案未能利用密集网络的容量并过度使用回程容量。在本文中,我们提出了一套解决方案,以系统地解决移动密集网络的技术挑战。我们介绍了网络架构,数据传输协议,以支持移动用户。提出了软件定义协议(SDP)的概念,以便可以根据需要优化和触发传输协议和物理层功能的组合。我们的解决方案可以显著提高密集网络的性能,并简化数据包处理过程。重要的是,网络密集化给固定用户带来的好处也可以为移动用户实现。

英文摘要:

Network densification is one of key technologies in future networks to significantly increase network capacity. The gain obtained by network densification for fixed terminals have been studied and proved. However for mobility users, there are a number of issues, such as more frequent handover, packet loss due to high mobility, interference management and so on. The conventional solutions are to handover high speed mobiles to macro base stations or multicast traffic to multiple base stations. These solutions fail to exploit the capacity of dense networks and overuse the backhaul capacity. In this paper we propose a set of solutions to systematically solve the technical challenges of mobile dense networks. We introduce network architecture together with data transmission protocols to support mobile users. A software-defined protocol (SDP) concept is presented so that combinations of transport protocols and physical layer functions can be optimized and triggered on demand. Our solutions can significantly boost performance of dense networks and simplify the packet handling process. Importantly, the gain brought by network densification to fixed users can also be achieved for mobile users.

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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