Performance Evaluation of Partially Clustered Access Scheme for Massive Machine Type Communications

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Traffic congestion of a random access (RA) link can be resolved by clustering machine type communication devices (MTCDs) and using an aggregator. However, since a packet needs to wait in the aggregator, clustering may cause an additional delay. To solve this problem, this letter suggests a partially clustered access scheme (PCAS) in which direct-access MTCDs (dMTCDs) and clustered-access MTCDs (cMTCDs) are serviced together. We provided an analytical model and an energy consumption model for PCAS. Numerical and simulation results showed that clustering may improve a success ratio. Furthermore, the delay requirement of dMTCDs and the energy consumption requirement of cMTCDs can be guaranteed by using PCAS.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2020-03
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.24, no.3, pp.626 - 629

ISSN
1089-7798
DOI
10.1109/LCOMM.2019.2962443
URI
http://hdl.handle.net/10203/273919
Appears in Collection
EE-Journal Papers(저널논문)
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