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ThinkMind // AICT 2012, The Eighth Advanced International Conference on Telecommunications // View article aict_2012_2_10_10091

Fast Retrial and Dynamic Access Control Algorithm for LTE-Advanced Based M2M Network

Authors:
Zhefeng Jiang
Xiaofeng Zhong

Keywords: M2M, Random Access, Dynamic control, LTE-Advance

Abstract:
Currently, increasing number of devices are connected to networks. Hence, M2M (Machine to Machine) communication, especially LTE/LTE-Advanced based M2M communication, is attracting more and more interests from the telecommunication industry. However, as the current LTE (Long Term evolution) system is designed for Human to Human system, it may be unable to support the massive M2M devices. This paper proposes a fast retrial and dynamic random access algorithm for LTE-Advanced network. It drastically reduces the delay of access comparing the back-off algorithm. In the meantime, it successfully prevents the system from severe congestion, which is inevitable in back-off algorithm when the arrival rate of random access is very high. To make the dynamic control of random access feasible in practical scenario, an estimation algorithm of the access arrival rate is also proposed in this paper. Simulation results reveal that the algorithm is able to provide better delay performance and greater throughput comparing with the back-off schemes defined in the LTE network.

Pages: 24 to 28

Copyright: Copyright (c) IARIA, 2012

Publication date: May 27, 2012

Published in: conference

ISSN: 2308-4030

ISBN: 978-1-61208-199-1

Location: Stuttgart, Germany

Dates: from May 27, 2012 to June 1, 2012

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