A random access scheme based on dynamic allocation of PRACH resources for smart grid communication

Fenghua Peng, Feifei Feng, Bo Yan, Jie Zhang

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

4 Citations (Scopus)

Abstract

The core concept of smart grid (SG) is to achieve the intellectual scheduling and control by applying modern information communication and other advanced technology. Many countries choose Long-Term-Evolution (LTE) system as the access network communication of power grid due to its high reliability, high transmission efficiency and mature technology. In the background of SG, it tends to appear that massive devices apply for access resources simultaneously, which will cause Radio Access Network (RAN) congestion, delay increasement, packet loss and even service interruption. Therefore, it is necessary to make some adjustments and improvements on the LTE random access control mechanism in order to achieve the large amounts of access and the reasonable utilization of resource. In this paper, we propose a random access mechanism based on dynamic allocation of Physical Random Access Channel (PRACH) resources. The method will adjust the PRACH configure index according to the overload of high-priority so that the RAN congestion can be alleviated. The simulation results show that this method can effectively improve the access success rate, and more importantly, it greatly reduces the access delay of high-priority. In short, the proposed method solves the massive power grid terminal access problem to some extent while taking into account users' Quality of Service (QoS) requirements.

Original languageEnglish
Title of host publication2017 9th IEEE International Conference on Communication Software and Networks, ICCSN 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages589-594
Number of pages6
ISBN (Electronic)9781509038220
DOIs
Publication statusPublished - 19 Dec 2017
Externally publishedYes
Event9th IEEE International Conference on Communication Software and Networks, ICCSN 2017 - Guangzhou, China
Duration: 6 May 20178 May 2017

Publication series

Name2017 9th IEEE International Conference on Communication Software and Networks, ICCSN 2017
Volume2017-January

Conference

Conference9th IEEE International Conference on Communication Software and Networks, ICCSN 2017
Country/TerritoryChina
CityGuangzhou
Period6/05/178/05/17

Keywords

  • dynamic allocation of PRACH resources
  • LTE
  • QoS
  • RAN congestion
  • smart grid

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