Energy Conservation Strategy for M2M Differentiated Services in 5G/HetNet

Kaouther Taleb Ali, S. Rejeb, Z. Choukair
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Abstract

Machine to Machine (M2M) or Machine Type Communication (MTC) is one of the emerging 5G technologies and represents a key component of Internet of Thing (IoT). The significant increase in the number of these devices could, however, lead to a huge amount of traffic at the access network, which may cause heavy congestion and service degradation, especially for the most critical applications. Indeed, when the M2M traffic’s arrivals become correlated and synchronous, the performance of the Random Access Channel (RACH) is drastically reduced, causing a large number of devices to experience outages due to repetitive failed access attempts. This results in increased power consumption and intolerable access delays. In this paper, we propose a novel approach to deal with massive access attempts, for both M2M delay sensitive applications and delay tolerant ones. Our idea is consisting of reducing simultaneously the number of access attempts and the access latency for delay sensitive applications, which allows guaranteeing energy conservation. Numerical results show that the proposed approach is able to increase the access success probability and reduce access delay especially for delay-sensitives devices as well as satisfying the energy conservation.
5G/HetNet下M2M差异化业务的节能策略
机器对机器(M2M)或机器类型通信(MTC)是新兴的5G技术之一,代表了物联网(IoT)的关键组成部分。然而,这些设备数量的显著增加可能会导致接入网上的大量流量,这可能会导致严重的拥塞和服务降级,特别是对于最关键的应用程序。事实上,当M2M流量的到达变得相关和同步时,随机访问通道(RACH)的性能会急剧降低,导致大量设备由于重复失败的访问尝试而经历中断。这将导致功耗增加和无法忍受的访问延迟。在本文中,我们提出了一种新的方法来处理M2M延迟敏感应用和延迟容忍应用的大量访问尝试。我们的想法是同时减少对延迟敏感的应用程序的访问尝试次数和访问延迟,从而保证节能。数值结果表明,该方法能够提高接入成功率,降低接入延迟,特别是对延迟敏感设备的接入延迟,同时满足节能要求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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