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Modified Coordinated Multipoint Transmission in Ultradense Networks

  • Jiajun Zhang*
  • , Xuanli Wu
  • , Wei Wu
  • , Yutong Xiao
  • *Corresponding author for this work
  • Harbin Institute of Technology

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

Abstract

Ultradense network (UDN) is considered as one of the key technologies in the future 5G network. The system capacity could be increased greatly with the cell densification. It can be realized by the deployment of small cells which have low transmit power and coverage. However, the densification of small cells can also bring strong inter-cell interference (ICI) which limits the system performance. Coordinated multipoint transmission (CoMP) can eliminate interference or transform the interference into useful signals. It is introduced to improve the cell edge users’ performance in the traditional sparse network, while it has some constraints in the dense network. In this paper, we propose a modified CoMP which can improve the performance of ultradense network. Users choose multiple small cells according to two different thresholds, and the small cells serve the users by transmitting signals or just mute. The simulation results show that this method can improve the system energy efficiency with little data rate reduction.

Original languageEnglish
Title of host publicationCommunications, Signal Processing, and Systems - Proceedings of the 2018 CSPS Volume 1
Subtitle of host publicationCommunications
EditorsWei Wang, Jiasong Mu, Zhenyu Na, Xin Liu, Qilian Liang, Baoju Zhang
PublisherSpringer Verlag
Pages515-521
Number of pages7
ISBN (Print)9789811362637
DOIs
StatePublished - 2019
EventInternational Conference on Communications, Signal Processing, and Systems, CSPS 2018 - Dalian, China
Duration: 14 Jul 201816 Jul 2018

Publication series

NameLecture Notes in Electrical Engineering
Volume515
ISSN (Print)1876-1100
ISSN (Electronic)1876-1119

Conference

ConferenceInternational Conference on Communications, Signal Processing, and Systems, CSPS 2018
Country/TerritoryChina
CityDalian
Period14/07/1816/07/18

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • CoMP
  • Interference coordination
  • Ultradense Networks

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