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RACH performance in massive machine-type communications access scenario
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.
Network Architecture and Protocols Research, Ericsson .
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0002-8681-9572
Network Architecture and Protocols Research, Ericsson .
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2018 (English)Conference paper, Published paper (Refereed)
Abstract [en]

With the increasing number of devices performing Machine-Type Communications (MTC), mobile networks are expected to encounter a high load of burst transmissions. One bottleneck in such cases is the Random Access Channel (RACH) procedure, which is responsible for the attachment of devices, among other things. In this paper, we performed a rich-parameter based simulation on RACH to identify the procedure bottlenecks. A finding from the studied scenarios is that the Physical Downlink Control Channel (PDCCH) capacity for the grant allocation is the main limitation for the RACH capacity rather than the number of Physical Random Access Channel (PRACH) preambles. Guided by our simulation results, we proposed improvements to the RACH procedure and to PDCCH.

Place, publisher, year, edition, pages
New York: Institute of Electrical and Electronics Engineers (IEEE), 2018.
Series
IEEE Wireless Communications and Networking Conference, ISSN 1525-3511
National Category
Media and Communication Technology
Research subject
Pervasive Mobile Computing; Pervasive Mobile Computing
Identifiers
URN: urn:nbn:se:ltu:diva-70274DOI: 10.1109/WCNC.2018.8377151ISI: 000435542401039Scopus ID: 2-s2.0-85049181729ISBN: 9781538617342 (electronic)OAI: oai:DiVA.org:ltu-70274DiVA, id: diva2:1237338
Conference
2018 IEEE Wireless Communications and Networking Conference, WCNC 2018, Barcelona, Spain, 15-18 April 2018
Available from: 2018-08-08 Created: 2018-08-08 Last updated: 2018-08-09Bibliographically approved

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Bezerra, Nibia SouzaÅhlund, ChristerSchelén, Olov

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  • harvard1
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  • de-DE
  • en-GB
  • en-US
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  • nn-NB
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  • Other locale
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