Deployment Scheme of In-Band Backhaul Base Station in Heterogeneous Network

doi:10.19678/j.issn.1000-3428.0053787

Computer Engineering ›› 2020, Vol. 46 ›› Issue (1): 150-156,163. doi: 10.19678/j.issn.1000-3428.0053787

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Deployment Scheme of In-Band Backhaul Base Station in Heterogeneous Network

XU Changbiao^a,b, GUO Ruibo^a, XIAN Yongju^a

a. School of Communication and Information Engineering;b. School of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Received:2019-01-23 Revised:2019-03-06 Online:2020-01-15 Published:2019-03-14

异构网络下带内回程基站部署方案

徐昌彪^a,b, 郭瑞博^a, 鲜永菊^a

重庆邮电大学 a. 通信与信息工程学院;b. 光电工程学院, 重庆 400065

作者简介:徐昌彪(1972-),男,教授、博士,主研方向为移动通信、未来网络;郭瑞博,硕士研究生;鲜永菊,副教授、博士。
基金资助:
国家自然科学基金（61602073）；教育部重点科研基金（02152）。

Abstract

Abstract: To address network interference caused by different duplex modes of small base stations in heterogeneous dense cellular network,this paper proposes a deployment scheme of In-Band Full Duplex (IBFD) base stations.Firstly,an optimal model for IBFD base station deployment is built,and its approximated solution is obtained by using hybrid in-band/out-band full duplex mode selection algorithm based on a greedy algorithm.Then an appropriate proportion of in-band backhaul base stations are deployed to maximize the system capacity.Simulation results show that the proposed scheme can effectively coordinate cross-layer and inter-cell interferences caused by small base stations to macro base stations,improving the spectrum efficiency of the system.

Key words: In-Band Full Duplex(IBFD), wireless backhaul, Heterogeneous Cellular Network(HCN), Self-Interference Cancellation(SIC), duplex mode selection

摘要： 针对异构密集蜂窝网络中小基站双工模式不同导致的网络干扰，设计一种带内全双工（IBFD）基站部署方案。建立IBFD基站部署的最优化模型，利用基于贪心算法的混合带内/外全双工模式选择算法近似求解该模型，并通过部署适当比例的带内回程基站以最大化系统容量。仿真结果表明，该方案能有效协调小基站对宏基站的跨层干扰与小区间干扰，提高系统频谱效率。

关键词: 带内全双工, 无线回程, 异构蜂窝网络, 自干扰消除, 双工模式选择

CLC Number:

TN929.5

XU Changbiao, GUO Ruibo, XIAN Yongju. Deployment Scheme of In-Band Backhaul Base Station in Heterogeneous Network[J]. Computer Engineering, 2020, 46(1): 150-156,163.

徐昌彪, 郭瑞博, 鲜永菊. 异构网络下带内回程基站部署方案[J]. 计算机工程, 2020, 46(1): 150-156,163.

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