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首页> 外文期刊>Research Letters in Signal Processing >Service Time-Based Region Division in OVSF-Based Wireless Networks with Adaptive LTE-M Network for Machine to Machine Communications
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Service Time-Based Region Division in OVSF-Based Wireless Networks with Adaptive LTE-M Network for Machine to Machine Communications

机译：基于服务的基于服务的基于OVSF的无线网络的区域分割，用于机器通信的自适应LTE-M网络

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摘要

The 3GPP standards have presented the LTE-M as one of the main technologies to provide services to Internet of Things (IoT). The IoT applications are usually short-lived applications like smart sensing, surveillance systems for home or businesses, and data uploading applications like metering. In this paper, the proposed architecture of the base station has a LTE interface which assigns resource blocks (RBs) and another 3G interface which is equipped with orthogonal variable spreading factor (OVSF) codes. The IoT devices deployed ubiquitously leads to massive machine type communication, which leads to burst traffic on current cellular services. The IoT devices when assigned large resources will reduce the radio efficiency. The work in this paper assigns OVSF codes available on 3G interface to the IoT devices. The LTE resources are used for IoT devices in case of emergency or when resources of 3G interface are 100% utilized. This will solve the problem of both small data transfer and connectivity requirement of IoT devices. The IoT applications are event-driven and time-bound also, and the resources are also reserved for these applications in the proposed work. The simulations and results show that proposed work increases both network efficiency and capacity.
机译：3GPP标准已经将LTE-M作为主要技术之一，为物联网提供服务（IOT）。 IOT应用程序通常是短寿命的应用，如智能感应，家庭或企业的监控系统，以及数据上传应用程序，如计费。在本文中，基站的建议架构具有LTE界面，其分配资源块（RB）和另一个3G接口，其配备有正交可变扩展因子（OVSF）代码。 IOT设备普遍地部署到大量机器类型通信，这导致当前蜂窝服务的突发流量。分配大量资源时的物联网设备将降低无线电效率。本文的工作为IOT设备的3G接口提供了可用的OVSF代码。 LTE资源用于IOT设备，在紧急情况下或3G接口资源使用100％时使用。这将解决IOT设备的小数据传输和连接要求的问题。 IOT应用程序也是事件驱动的，也是时间限制，并且还为这些应用程序保留了资源，以便在拟议的工作中。模拟和结果表明，建议的工作增加了网络效率和容量。

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