Virtual small cell selection schemes based on sum rate analysis in ultra-dense network

Qi Zhang, Jie Zeng*, Xin Su, Liping Rong, Xibin Xu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Ultra-Dense Network (UDN) is regarded as a major development trend in the evolution of future networks, due to its ability to provide larger sum rate to the whole system and meet higher users’ Quality of Service (QoS). Different from the existing heterogeneous network, UDN has a smaller cell radius and a new network structure. The core concept of UDN is to deploy the low power Base Stations (BSs), i.e. Virtual Small Cells (VSCs). First, we derive an ergodic sum rate expression. To acquire the maximum ergodic sum rate of all the users, then we adopt the selection mode based on minimum distance. Due to the consideration of the computation complexity of the above VSC selection scheme, we finally propose a novel VSC selection scheme based on pattern search. The simulation results demonstrate the correctness of the ergodic sum rate expression and show the lower computation complexity of the proposed VSC selection scheme comparing with the above reference scheme.

Original languageEnglish
Title of host publicationCommunications and Networking - 11th EAI International Conference, ChinaCom 2016, Proceedings
EditorsQianbin Chen, Weixiao Meng, Liqiang Zhao
PublisherSpringer Verlag
Pages78-87
Number of pages10
ISBN (Print)9783319666273
DOIs
Publication statusPublished - 2018
Externally publishedYes
Event11th EAI International Conference on Communications and Networking in China, ChinaCom 2016 - Chongqing, China
Duration: 24 Sept 201626 Sept 2016

Publication series

NameLecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST
Volume210
ISSN (Print)1867-8211

Conference

Conference11th EAI International Conference on Communications and Networking in China, ChinaCom 2016
Country/TerritoryChina
CityChongqing
Period24/09/1626/09/16

Keywords

  • Pattern search
  • Sum rate
  • Ultra-dense network
  • Virtual small cell

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