面向多层异构网的最大和谐均值用户对级联方案

doi:10.19678/j.issn.1000-3428.0049245

计算机工程 ›› 2019, Vol. 45 ›› Issue (1): 40-44. doi: 10.19678/j.issn.1000-3428.0049245

面向多层异构网的最大和谐均值用户对级联方案

纪珊珊¹,贾向东^1,2,徐文娟¹,杨小蓉¹,范巧玲¹,陈玉宛¹

1.西北师范大学计算机科学与工程学院,兰州 730070; 2.南京邮电大学江苏省无线通信重点实验室,南京 210003

收稿日期:2017-11-09 出版日期:2019-01-15 发布日期:2019-01-15
作者简介:纪珊珊(1994—),女,硕士研究生,主研方向为异构网;贾向东,教授、博士后;徐文娟、杨小蓉、范巧玲、陈玉宛,硕士研究生
基金资助:
国家自然科学基金(61561043,61861039,61261015);甘肃省科技计划项目(18YF1GA060);西北师范大学青年教师科研能力提升计划创新团队项目;西北师范大学学生创新能力提升计划项目(CX2018Y043)

Maximum Harmonic Mean-based User-Pair Association Scheme for Multi-tier Heterogeneous Networks

JI Shanshan ^1,JIA Xiangdong^1,2,XU Wenjuan¹,YANG Xiaorong ¹,FAN Qiaoling ¹,CHEN Yuwan ¹

1.College of Computer Science and Engineering,Northwest Normal University,Lanzhou 730070,China; 2.Wireless Communication Key Laboratory of Jiangsu Province, Nanjing University of Posts and Telecommunications,Nanjing 210003,China

Received:2017-11-09 Online:2019-01-15 Published:2019-01-15

摘要/Abstract

摘要：

针对中继异构网中基站负载不均衡的问题,提出一种中继协作的多层异构网用户对级联方案,以实现最佳用户对级联(UPA)。在中继协作异构网中,利用等效的端到端偏置接收功率为每层中一个特定的移动用户对定义最佳中继,基于此给出最大和谐均值用户对级联(MHM-UPA)准则,并假设所有网络元素的位置建模为独立泊松点过程,通过随机几何分析方法推导相应的UPA概率以及统计描述。分析结果表明,该方案充分考虑了中继系统中两跳的联合影响,能够有效克服双跳中继系统的瓶颈效应,改善系统性能。

关键词: 第五代移动通信, 异构网, 中继协作, 用户对级联准则, 最大和谐均值

Abstract:

For the problem of load imbalance of base stations in relay Heterogeneous Networks(HetNets),in order to achieve the best User-Pair Association(UPA) in network,a UPA scheme is investigated for relay-assisted multi-tier HetNets in this paper.For such relay-assisted HetNets,this paper defines the so-called best relay in each tier for a typical mobile user-pair by using the equivalent end-to-end Biased Receive Power(BRP).Then it proposes the Maximum Harmonic Mean-based UPA(MHM-UPA) criterion and models the locations of all network elements as independent Poisson Point Process(PPP).Based on the method of random geometric analysis and by using feasible mathematical analysis,it derives the corresponding UPA probabilities as well as the corresponding statistical description.Analysis results show that this scheme exploits jointly the effect of the both source-relay and relay-destination links,so that the bottleneck effect of dual-hop relay systems is overcome,and it can improve the system performance.

Key words: 5G mobile communication, Heterogeneous Networks(HetNets), relay cooperation, User-Pair Association(UPA) criterion, Maximum Harmonic Mean(MHM)

中图分类号:

TN929.5

纪珊珊,贾向东,徐文娟,杨小蓉,范巧玲,陈玉宛. 面向多层异构网的最大和谐均值用户对级联方案[J]. 计算机工程, 2019, 45(1): 40-44.

JI Shanshan,JIA Xiangdong,XU Wenjuan,YANG Xiaorong,FAN Qiaoling,CHEN Yuwan. Maximum Harmonic Mean-based User-Pair Association Scheme for Multi-tier Heterogeneous Networks[J]. Computer Engineering, 2019, 45(1): 40-44.

http://www.ecice06.com/CN/Y2019/V45/I1/40

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