Multi-Carrier Cooperated Interference Cancelation via Macro-BS Broadcasting in HetNet

被引:0
|
作者
Hou, Nannan [1 ]
Tian, Yafei [1 ]
Yang, Chenyang [1 ]
机构
[1] Beihang Univ, Sch Elect & Informat Engn, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
NETWORKS; CHANNEL;
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
In next generation cellular system, heterogeneous network will be widely used to improve the spatial spectrum efficiency. In this paper, we propose a new interference cancelation scheme to increase the achievable sum-rate of multi-carrier interference channels in heterogeneous networks. The subcarriers are cooperated where one group subcarriers transmit in full-rate as if there is no interference and another group subcarriers transmit redundancy information to help interference cancellation. To improve the transmission efficiency, in mixed interference scenarios we only require macro-BS to broadcast the redundancy information. We will introduce the channel conditions for selecting these two groups of subcarriers, and study an optimized subcarrier allocation method. Finally, simulation results in practical heterogeneous network settings are provided to show the performance improvement.
引用
收藏
页码:598 / 602
页数:5
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