Multiple access based on different lengths super orthogonal codes to support QoS of M2M communications in next generation networks

Fayezeh Ghavimi, Hsiao Hwa Chen

研究成果: Article同行評審

摘要

Global connectivity, low latency, and ready-to-use infrastructure of next generation wireless (NGW) networks provide a platform for machine-to-machine (M2M) communications on a large scale. However, M2M communications over NGW networks pose significant challenges because of different data rates, diverse applications, and a large number of connections. In this paper, we address M2M challenges over NGW networks, and in particular, we focus on random access overload issue and diverse quality-of-service (QoS) requirements to enable M2M communications in the context of NGW networks. To enable massive M2M access while QoS guarantees, we propose group-based M2M communications on the basis of identical transmission protocols and QoS requirements. Furthermore, to guarantee low energy consumption for M2M devices in the same group, we propose a decentralized group-head selection scheme. In addition, a solution is proposed by using an effective capacity concept to provide QoS guarantees for M2M devices with a strict time constraint. A new random access approach based on different lengths super orthogonal codes is proposed to ease massive random access challenges with provisioning diverse QoS requirements of M2M communications in heterogeneous NGW networks.

原文English
文章編號e3297
期刊International Journal of Communication Systems
30
發行號14
DOIs
出版狀態Published - 2017 9月 25

All Science Journal Classification (ASJC) codes

  • 電腦網路與通信
  • 電氣與電子工程

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