NDLI: Edge aware cross-tier base station cooperation in heterogeneous wireless networks with non-uniformly-distributed nodes

Content Provider	IET Digital Library
Author	Yang, Kun Zhang, Jiaxin Zhang, Xing Wang, Wenbo
Abstract	This study investigates the cross-tier base station (BS) cooperation in non-uniform heterogeneous networks where the distribution of pico BSs (PBSs) is modelled as Neyman–Scott cluster process. The authors propose an edge aware cross-tier cooperation scheme to improve the performance of edge hotspot users that have weaker signal-to-interference-plus-noise ratio (SINR). Taking consideration of various user behaviours, non-hotspot users are only served by the nearest macro BS whilst the hotspot users with better SINR are only served by their serving PBSs. The edge hotspot users who suffer from high cross-tier interference operate in the cooperation mode. Stochastic geometry is utilised to derive the SINR and energy efficiency performance of the proposed scheme, which is compared with other classical schemes such as full cooperation (FC) and traditional non-cooperation scheme. Numerical results show that compared with the FC scheme, the proposed scheme can maximise the energy efficiency of the network by an optimal cooperation threshold, when SINR coverage is larger than a threshold. The authors also find that user behaviour have little effect on the tradeoff between SINR Coverage and energy efficiency, unless spatial aggregation coefficient is very small.
Starting Page	1896
Ending Page	1903
Page Count	8
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 15, Oct (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/15
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2016.0125
Journal	IET Communications
Publisher	The Institution of Engineering and Technology
Publisher Date	2016-10-13
Access Restriction	Open
Rights License	Creative Commons Attribution -Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/)
Subject Keyword	BS Cooperation Cooperative Communication Cross-tier Interference Edge Aware Cross-tier Base Station Cooperation Edge Hotspot User Performance Electromagnetic Compatibility Energy Conservation Energy Efficiency Performance FC Scheme Full Cooperation Scheme Heterogeneous Wireless Network Hotspot Spatial Aggregation Property Interference Mobile Radio System Nearest Neighbour Indicator Neyman–Scott Cluster Process Noncooperation Scheme Nonuniform Heterogeneous Network Nonuniformly-distributed Node Optimal Cooperation Threshold PBSs Pico BSs Distribution Picocellular Radio Probability Theory Radio Frequency Interference Radio Network Signal-to-interference-plus-noise Ratio SINR Spatial Aggregation Coefficient Expression Statistics Stochastic Geometry Stochastic Linearised SCUC Telecommunication Power Management
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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