A Novel Root-Index Based Prioritized Random Access Scheme for 5G Cellular Networks

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Cellular networks will play an important role in realizing the newly emerging Internet-of-Everything (IoE). One of the challenging issues is to support the quality of service (QoS) during the access phase, while accommodating a massive number of machine nodes. In this paper, we show a new paradigm of multiple access priorities in random access (RA) procedure and propose a novel root-index based prioritized random access (RIPRA) scheme that implicitly embeds the access priority in the root index of the RA preambles. The performance evaluation shows that the proposed RIPRA scheme can successfully support differentiated performance for different access priority levels, even though there exist a massive number of machine nodes.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2015-12
Language
English
Article Type
Article
Citation

ICT EXPRESS, v.1, no.3, pp.97 - 101

ISSN
2405-9595
DOI
10.1016/j.icte.2015.10.003
URI
http://hdl.handle.net/10203/214323
Appears in Collection
EE-Journal Papers(저널논문)
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