Repetition with Learning Approaches in Massive Machine Type Communications

In the 5G massive machine type communication (mMTC) scenario, user equipment with poor signal quality requires numerous repetitions to compensate for the additional signal attenuation. However, an excessive number of repetitions consumes additional wireless resources, decreasing the transmission rat...

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Main Authors: Li-Sheng Chen, Chih-Hsiang Ho, Cheng-Chang Chen, Yu-Shan Liang, Sy-Yen Kuo
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/11/22/3649
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author Li-Sheng Chen
Chih-Hsiang Ho
Cheng-Chang Chen
Yu-Shan Liang
Sy-Yen Kuo
author_facet Li-Sheng Chen
Chih-Hsiang Ho
Cheng-Chang Chen
Yu-Shan Liang
Sy-Yen Kuo
author_sort Li-Sheng Chen
collection DOAJ
description In the 5G massive machine type communication (mMTC) scenario, user equipment with poor signal quality requires numerous repetitions to compensate for the additional signal attenuation. However, an excessive number of repetitions consumes additional wireless resources, decreasing the transmission rate, and increasing the energy consumption. An insufficient number of repetitions prevents the successful deciphering of the data by the receivers, leading to a high bit error rate. The present study developed adaptive repetition approaches with the k-nearest neighbor (KNN) and support vector machine (SVM) to substantially increase network transmission efficacy for the enhanced machine type communication (eMTC) system in the 5G mMTC scenario. The simulation results showed that the proposed repetition with the learning approach effectively improved the probability of successful transmission, the resource utilization, the average number of repetitions, and the average energy consumption. It is therefore more suitable for the eMTC system in the mMTC scenario than the common lookup table.
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spelling doaj.art-b9e0a664952a45d2910c895759eedcf02023-11-24T08:08:13ZengMDPI AGElectronics2079-92922022-11-011122364910.3390/electronics11223649Repetition with Learning Approaches in Massive Machine Type CommunicationsLi-Sheng Chen0Chih-Hsiang Ho1Cheng-Chang Chen2Yu-Shan Liang3Sy-Yen Kuo4Department of Communications Engineering, Feng Chia University, Taichung 407, TaiwanInstitute for Information Industry, Taipei 106, TaiwanBureau of Standards, Metrology and Inspection, M. O. E. A., Taipei 100, TaiwanDepartment of Electronic Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 824, TaiwanDepartment of Electrical Engineering, National Taiwan University, Taipei 100, TaiwanIn the 5G massive machine type communication (mMTC) scenario, user equipment with poor signal quality requires numerous repetitions to compensate for the additional signal attenuation. However, an excessive number of repetitions consumes additional wireless resources, decreasing the transmission rate, and increasing the energy consumption. An insufficient number of repetitions prevents the successful deciphering of the data by the receivers, leading to a high bit error rate. The present study developed adaptive repetition approaches with the k-nearest neighbor (KNN) and support vector machine (SVM) to substantially increase network transmission efficacy for the enhanced machine type communication (eMTC) system in the 5G mMTC scenario. The simulation results showed that the proposed repetition with the learning approach effectively improved the probability of successful transmission, the resource utilization, the average number of repetitions, and the average energy consumption. It is therefore more suitable for the eMTC system in the mMTC scenario than the common lookup table.https://www.mdpi.com/2079-9292/11/22/3649massive machine type communications (mMTC)enhanced machine type communication (eMTC)repetitionmachine learningk-nearest neighbor (KNN)support vector machine (SVM)
spellingShingle Li-Sheng Chen
Chih-Hsiang Ho
Cheng-Chang Chen
Yu-Shan Liang
Sy-Yen Kuo
Repetition with Learning Approaches in Massive Machine Type Communications
Electronics
massive machine type communications (mMTC)
enhanced machine type communication (eMTC)
repetition
machine learning
k-nearest neighbor (KNN)
support vector machine (SVM)
title Repetition with Learning Approaches in Massive Machine Type Communications
title_full Repetition with Learning Approaches in Massive Machine Type Communications
title_fullStr Repetition with Learning Approaches in Massive Machine Type Communications
title_full_unstemmed Repetition with Learning Approaches in Massive Machine Type Communications
title_short Repetition with Learning Approaches in Massive Machine Type Communications
title_sort repetition with learning approaches in massive machine type communications
topic massive machine type communications (mMTC)
enhanced machine type communication (eMTC)
repetition
machine learning
k-nearest neighbor (KNN)
support vector machine (SVM)
url https://www.mdpi.com/2079-9292/11/22/3649
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AT chengchangchen repetitionwithlearningapproachesinmassivemachinetypecommunications
AT yushanliang repetitionwithlearningapproachesinmassivemachinetypecommunications
AT syyenkuo repetitionwithlearningapproachesinmassivemachinetypecommunications