Article (Scientific journals)
A Deep Learning Approach for Universal NPRACH Detection With Inter-Cell Interference
Li, Runhua; Jiang Xue; Jian Sun et al.
2024In IEEE Transactions on Communications, 72 (3), p. 1401 - 1413
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Abstract :
[en] This paper works on the detection of physical random access channel (NPRACH) in Narrowband Internet of Things (NB-IoT) system. The frequency hopping preamble design and increasing number of IoT terminals lead to inter-cell interference among different cells, resulting in inevitable increase of false alarm rate. Due to the ambiguity between preamble and interference, it is a great challenge for NPRACH detection methods to achieve low false alarm rate when having strong interference. In this paper, we analyze the difference between preamble and interference in the propagation environments of NPRACH signals in the 2-dimensional Fast Fourier Transformation (2-D FFT) domain. Then we propose a deep learning-based NPRACH detection method, dubbed Mask Assisted Anti-Interference Universal Detection Scheme (MIUS), in the 2-D FFT domain for preamble detection with inter-cell interference in different repetition cases. In the proposed MIUS, the Mask-ResNet Block is designed as a building block to extract features distinguishing the preamble and interference based on masking operations. Our proposed MIUS utilizes the Mask-ResNet Block in a separate manner to detect the preambles in sequential repetitions across different repetition cases. Simulation results show that MIUS can simultaneously maintain the low false alarm rate and achieve high detection accuracy in low Signal to Interference and Noise Ratio (SINR) regime in all repetition cases.
Disciplines :
Computer science
Author, co-author :
Li, Runhua;  School of Mathematics and Statistics Xi’an Jiaotong University Xi’an, China
Jiang Xue;  School of Mathematics and Statistics Xi’an Jiaotong University Xi’an, China
Jian Sun;  School of Mathematics and Statistics Xi’an Jiaotong University Xi’an, China
CHATZINOTAS, Symeon  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
External co-authors :
yes
Language :
English
Title :
A Deep Learning Approach for Universal NPRACH Detection With Inter-Cell Interference
Publication date :
March 2024
Journal title :
IEEE Transactions on Communications
ISSN :
0090-6778
eISSN :
1558-0857
Publisher :
Institute of Electrical and Electronics Engineers, New York, United States - New York
Volume :
72
Issue :
3
Pages :
1401 - 1413
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
National Key Research and Development Program of China
NSCF - National Natural Science Foundation of China
European Space Agency (ESA) with ESA-STAR REFERENCE
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