Joint Adaptive Interference Management of Hybrid Cellular Networks

doi:10.12141/j.issn.1000-565X.180285

Journal of South China University of Technology(Natural Science Edition) ›› 2019, Vol. 47 ›› Issue (4): 35-43,60.doi: 10.12141/j.issn.1000-565X.180285

• Electronics, Communication & Automation Technology • Previous Articles Next Articles

Joint Adaptive Interference Management of Hybrid Cellular Networks

XIAO Liyuan¹ LI Zhao² CUI Sha²

1． School of Information and Technology，Northwest University，Xi＇an 710127，Shaanxi，China; 2． State Key Laboratory of Integrated Service Networks，Xidian University，Xi＇an 710071，Shaanxi，China

Received:2018-06-08 Revised:2018-12-13 Online:2019-04-25 Published:2019-03-01
Contact: 肖丽媛(1981-)，女，在站博士后，高级工程师，主要从事无线通信、干扰管理、资源分配等研究． E-mail:simple_xly@126.com
About author:肖丽媛(1981-)，女，在站博士后，高级工程师，主要从事无线通信、干扰管理、资源分配等研究．
Supported by:
Supported by the National Natural Science Foundation of China(61701400)

Abstract

Abstract: A joint adaptive interference management (JAIM) mechanism exploiting multi-dimensional resources was proposed for downlink transmission in hybrid cellular networks consisting of overlapping macrocells and pico- cells by taking practical factors such as path loss，distance between base stations and transmit power difference into account． The scheme manages the interference from macro base station to picocell user equipment． Firstly，the efficiency of interference management was defined，and based on which the criterion for adaptive interference ma- nagement was derived． Then，the design of JAIM was elaborated by taking interference neutralization (IN) and zero-forcing (ZF) reception as an example． The theoretical analysis and simulation results show that by exploiting multi-dimensional resource the proposed mechanism can avoid the dependence of single interference management method on specific resources，and improve the picocell users＇spectral efficiency without influencing the macrocell users＇．

Key words: hybrid cellular networks, multi-dimensional resource, interference neutralization, zero-forcing, adaptive

CLC Number:

XIAO Liyuan LI Zhao CUI Sha . Joint Adaptive Interference Management of Hybrid Cellular Networks[J]. Journal of South China University of Technology(Natural Science Edition), 2019, 47(4): 35-43,60.

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Joint Adaptive Interference Management of Hybrid Cellular Networks

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