Modeling and analysis of an extended access barring algorithm for machine-type communications in LTE-A Networks

Ray Guang Cheng; Jenhui Chen; Dan Wu Chen; Chia Hung Wei

doi:10.1109/TWC.2015.2398858

Modeling and analysis of an extended access barring algorithm for machine-type communications in LTE-A Networks

Ray Guang Cheng^*, Jenhui Chen, Dan Wu Chen, Chia Hung Wei

^*Corresponding author for this work

Research output: Contribution to journal › Journal Article › peer-review

100 Scopus citations

Abstract

Simultaneous channel accesses from mass machine-type communications (MTC) devices may congest the random-access channels (RACHs) of LTE-A networks. Currently, 3GPP selects extended access barring (EAB) mechanism as the baseline solution to relieve the congestion of RACHs by barring low-priority devices. Different settings of EAB parameters may re-shape the arrival process of MTC traffic and thus, lead to unpredictable performance. This paper presents an analytical model to investigate the performance of the EAB algorithm on the RACHs in LTE-A networks. Computer simulations were conducted to verify the accuracy of the analysis. The optimal values of paging cycle and repetition period of system information block type 14 (SIB14) can then be obtained from the analytical model subject to a target quality-of-service (QoS) constraint.

Original language	English
Article number	7029666
Pages (from-to)	2956-2968
Number of pages	13
Journal	IEEE Transactions on Wireless Communications
Volume	14
Issue number	6
DOIs	https://doi.org/10.1109/TWC.2015.2398858
State	Published - 01 06 2015

Bibliographical note

Publisher Copyright:
© 2002-2012 IEEE.

Keywords

Extended access barring
MTC
RACH congestion
random access

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10.1109/TWC.2015.2398858

Cite this

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title = "Modeling and analysis of an extended access barring algorithm for machine-type communications in LTE-A Networks",

abstract = "Simultaneous channel accesses from mass machine-type communications (MTC) devices may congest the random-access channels (RACHs) of LTE-A networks. Currently, 3GPP selects extended access barring (EAB) mechanism as the baseline solution to relieve the congestion of RACHs by barring low-priority devices. Different settings of EAB parameters may re-shape the arrival process of MTC traffic and thus, lead to unpredictable performance. This paper presents an analytical model to investigate the performance of the EAB algorithm on the RACHs in LTE-A networks. Computer simulations were conducted to verify the accuracy of the analysis. The optimal values of paging cycle and repetition period of system information block type 14 (SIB14) can then be obtained from the analytical model subject to a target quality-of-service (QoS) constraint.",

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AU - Chen, Dan Wu

AU - Wei, Chia Hung

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AB - Simultaneous channel accesses from mass machine-type communications (MTC) devices may congest the random-access channels (RACHs) of LTE-A networks. Currently, 3GPP selects extended access barring (EAB) mechanism as the baseline solution to relieve the congestion of RACHs by barring low-priority devices. Different settings of EAB parameters may re-shape the arrival process of MTC traffic and thus, lead to unpredictable performance. This paper presents an analytical model to investigate the performance of the EAB algorithm on the RACHs in LTE-A networks. Computer simulations were conducted to verify the accuracy of the analysis. The optimal values of paging cycle and repetition period of system information block type 14 (SIB14) can then be obtained from the analytical model subject to a target quality-of-service (QoS) constraint.

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Modeling and analysis of an extended access barring algorithm for machine-type communications in LTE-A Networks

Abstract

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Keywords

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