西安交通大学电子与信息工程学院,西安,710049
网络首发:2014-10-10,
纸质出版:2014
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杨阳, 廖学文, 高贞贞, 等. 多小区终端直通异构网络中利用图论的资源分配方案[J]. 西安交通大学学报, 2014,48(10):22-28.
A Resource Allocation Scheme Using Graph Theory for D2D Communication in Multi-Cell Heterogeneous Cellular Networks[J]. 2014, 48(10): 22-28.
杨阳, 廖学文, 高贞贞, 等. 多小区终端直通异构网络中利用图论的资源分配方案[J]. 西安交通大学学报, 2014,48(10):22-28. DOI: 10.7652/xjtuxb201410004.
A Resource Allocation Scheme Using Graph Theory for D2D Communication in Multi-Cell Heterogeneous Cellular Networks[J]. 2014, 48(10): 22-28. DOI: 10.7652/xjtuxb201410004.
针对在终端直通(device-to-device
D2D)用户与蜂窝用户共存的上行多小区系统中存在严重的小区内以及小区间干扰问题
提出了一种基于干扰图和最佳二分图匹配的多小区资源分配方案
以获得网络容量提升。该方案根据上行链路的传输特性获得D2D用户与蜂窝用户之间带权值的无向干扰图
根据干扰图将互干扰较大的用户分到不同的用户簇中
不同的用户簇占用不同的子载波
并利用匈牙利算法对资源块进行分配。仿真结果表明
所提出的方案以较低复杂度接近遍历最优算法
并且与部分频率复用方案比较
所提方案的系统容量提升了19.78%。
A multi-cell resource allocation scheme based on interference graph and the best binary map matching is proposed to deal with the serious intra-cell and inter-cell interference in multi-cell uplink D2D(Device-to-Device)communication underlaying cellular system. An undirected and weighted interference graph is firstly obtained from the interference characteristics between D2D users and cellular users. Then the interference graph is used to assign users with a larger mutual interference to different clusters and the Hungarian algorithm is employed to allocate these clusters into different subcarriers. Simulation results show that the performance of the proposed scheme is close to that of the exhaustive search scheme
but its complexity is much lower. Moreover
comparisons with the FFR show that the proposed scheme improves the entire system capacity by 19.78%.
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林军,倪宏,孙鹏,等.一种采用神经网络PID控制的自适应资源分配方法.2013,47(4):112-117.[doi:10.7652/xjtuxb 201304019]
宋婧,丛犁,葛建华,等.双层网络中一种协作博弈的动态资源分配方法.2012,46(10):89-94.[doi:10.7652/xjtuxb2012 10016]
崔华力,钱德沛,张兴军,等.用于无线多跳网络视频流传输的优先级机会网络编码.2013,47(12):13-18.[doi:10.7652/xjtuxb201312003]
王超,邓科,庄丽莉,等.协作认知网络中鲁棒的分布式波束形成.2013,47(12):84-89.[doi:10.7652/xjtuxb201312015]
叶娜,赵银亮,边根庆,等.模式无关的社交网络用户识别算法.2013,47(12):19-25.[doi:10.7652/xjtuxb201312004]
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