An Enhanced PRACH Detector for Cellular IoT Communications

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We propose an enhanced physical random access channel (PRACH) preamble detector which efficiently identifies non-orthogonal preambles while suppressing the noise rise. The proposed PRACH preamble detector reconstructs preambles from the received signal and efficiently utilizes them to improve the detection performance. Through simulations, we verify that the proposed detector successfully detects the desired preambles while suppressing the undesired noise rise, and, thus, it can detect 10 non-orthogonal preambles simultaneously with an extremely low mis-detection probability lower than 10−5, while achieving a false alarm probability of approximately 10−3.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2017-12
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.21, no.12, pp.2678 - 2681

ISSN
1089-7798
DOI
10.1109/LCOMM.2017.2745543
URI
http://hdl.handle.net/10203/238821
Appears in Collection
EE-Journal Papers(저널논문)
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