分布式天线网络的动态信道分配方案

Ryusuke Matsukawa, Tatsunori Obara, F. Adachi
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引用次数: 38

摘要

本文提出了一种分布式天线网络的动态信道分配(DCA)方案。与传统的蜂窝网络(CNs)相比,DANs在每个小区中分布了许多天线,大大降低了发射功率。在DAN中,为避免干扰,每个分布式天线应分配不同的信道组。由于DAN的低发射功率特性也可以降低干扰功率,因此即使在同一小区内,相同的信道组也可以重复使用。提出了基于同信道干扰测量的信道动态分配方案。计算机仿真结果表明,采用DCA的DAN比传统的CN具有更高的频谱效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Dynamic Channel Assignment Scheme for Distributed Antenna Networks
In this paper, we propose a dynamic channel assignment (DCA) scheme for distributed antenna networks (DANs). DANs, in which many antennas are distributed in each cell, significantly reduce the transmit power compared to conventional cellular networks (CNs). In DAN, a different group of channels should be assigned for each distributed antenna to avoid the interference. Since DAN can also reduce the interference power due to its low transmit power property, the same channel groups can be reused even within the same cell. Proposed DCA scheme dynamically assigns the channels based on the co-channel interference measurement. Computer simulation results demonstrate that the DAN using proposed DCA achieves higher spectrum efficiency than the conventional CN.
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