Random access performance for three coverage enhancement groups in NB-IoT networks

Yan Liu; Yansha Deng; Maged Elkashlan; Arumugam Nallanathan

doi:10.1109/GLOBECOM38437.2019.9013330

Random access performance for three coverage enhancement groups in NB-IoT networks

Yan Liu, Yansha Deng, Maged Elkashlan, Arumugam Nallanathan

Research output: Contribution to journal › Conference paper › peer-review

4 Citations (Scopus)

Abstract

NarrowBand-Internet of Things (NB-IoT) is a new 3GPP radio access technology designed to provide better coverage for Low Power Wide Area (LPWA) networks. To provide reliable connections with extended coverage, a repetition transmission scheme and up to three Coverage Enhancement (CE) groups are introduced into NB-IoT during both Random Access CHannel (RACH) procedure and data transmission procedure, where each CE group is configured with different repetition values. Rather than our previous work only modeled RACH success probability in NB-IoT networks with a single CE group, this paper develops a novel model to analyze the RACH success probabilities in NB-IoT networks with three CE groups, which allow flexible RACH configuration for each CE group. Based on this analytical model, we derive the expression for the RACH success probability of a randomly chosen IoT device in each CE group. The analytical results can also be extended to analyze multiple group users of other networks with spatial separations.

Original language	English
Article number	9013330
Journal	2019 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM)
DOIs	https://doi.org/10.1109/GLOBECOM38437.2019.9013330
Publication status	Published - Dec 2019
Event	2019 IEEE Global Communications Conference, GLOBECOM 2019 - Waikoloa, United States Duration: 9 Dec 2019 → 13 Dec 2019

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10.1109/GLOBECOM38437.2019.9013330

Cite this

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title = "Random access performance for three coverage enhancement groups in NB-IoT networks",

abstract = "NarrowBand-Internet of Things (NB-IoT) is a new 3GPP radio access technology designed to provide better coverage for Low Power Wide Area (LPWA) networks. To provide reliable connections with extended coverage, a repetition transmission scheme and up to three Coverage Enhancement (CE) groups are introduced into NB-IoT during both Random Access CHannel (RACH) procedure and data transmission procedure, where each CE group is configured with different repetition values. Rather than our previous work only modeled RACH success probability in NB-IoT networks with a single CE group, this paper develops a novel model to analyze the RACH success probabilities in NB-IoT networks with three CE groups, which allow flexible RACH configuration for each CE group. Based on this analytical model, we derive the expression for the RACH success probability of a randomly chosen IoT device in each CE group. The analytical results can also be extended to analyze multiple group users of other networks with spatial separations.",

author = "Yan Liu and Yansha Deng and Maged Elkashlan and Arumugam Nallanathan",

year = "2019",

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doi = "10.1109/GLOBECOM38437.2019.9013330",

language = "English",

journal = "2019 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM)",

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note = "2019 IEEE Global Communications Conference, GLOBECOM 2019 ; Conference date: 09-12-2019 Through 13-12-2019",

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TY - JOUR

T1 - Random access performance for three coverage enhancement groups in NB-IoT networks

AU - Liu, Yan

AU - Deng, Yansha

AU - Elkashlan, Maged

AU - Nallanathan, Arumugam

PY - 2019/12

Y1 - 2019/12

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AB - NarrowBand-Internet of Things (NB-IoT) is a new 3GPP radio access technology designed to provide better coverage for Low Power Wide Area (LPWA) networks. To provide reliable connections with extended coverage, a repetition transmission scheme and up to three Coverage Enhancement (CE) groups are introduced into NB-IoT during both Random Access CHannel (RACH) procedure and data transmission procedure, where each CE group is configured with different repetition values. Rather than our previous work only modeled RACH success probability in NB-IoT networks with a single CE group, this paper develops a novel model to analyze the RACH success probabilities in NB-IoT networks with three CE groups, which allow flexible RACH configuration for each CE group. Based on this analytical model, we derive the expression for the RACH success probability of a randomly chosen IoT device in each CE group. The analytical results can also be extended to analyze multiple group users of other networks with spatial separations.

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DO - 10.1109/GLOBECOM38437.2019.9013330

M3 - Conference paper

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JO - 2019 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM)

JF - 2019 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM)

M1 - 9013330

T2 - 2019 IEEE Global Communications Conference, GLOBECOM 2019

Y2 - 9 December 2019 through 13 December 2019

ER -

Random access performance for three coverage enhancement groups in NB-IoT networks

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