Energy-Efficient Random Access for LTE-Based Stationary IoT Networks

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For random access (RA) procedure in LTE-based systems, timing advance (TA) value is included for a device to adjust its uplink timing synchronization. In this letter, we propose a simple prioritized energy-efficient RA (EERA) scheme for stationary Internet of Things networks by utilizing TA value. We analyze the collision probability and average energy consumption to show the effectiveness of the EERA scheme. Performance evaluation shows that the proposed EERA scheme not only has lower collision probability but also consumes less energy than other RA schemes under practical simulation environments.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2019-02
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.23, no.2, pp.346 - 349

ISSN
1089-7798
DOI
10.1109/LCOMM.2018.2889085
URI
http://hdl.handle.net/10203/251632
Appears in Collection
EE-Journal Papers(저널논문)
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