Abstract
In the Fifth Generation (5G) wireless standard, the Internet of Things (IoT) will interconnect billions of Machine Type Communications (MTC) devices. Fixed and mobile wearable devices and sensors are expected to contribute to the majority of IoT traffic. MTC device mobility has been considered with three speeds, namely zero (fixed) and medium and high speeds of 30 and 100 kmph. Different values for device mobility are used to simulate the impact of device mobility on MTC traffic. This work demonstrates the gain of using distributed antennas on MTC traffic in terms of spectral efficiency and fairness among MTC devices, which affects the number of devices that can be successfully connected. The mutual use of Distributed Base Stations (DBS) with Remote Radio Units (RRU) and the adoption of the millimetre wave band, particularly in the 26 GHz range, have been considered the key enabling technologies for addressing MTC traffic growth. An algorithm has been set to schedule this type of traffic and to show whether MTC devices completed their traffic upload or failed to reach the margin. The gains of the new architecture have been demonstrated in terms of spectral efficiency, data throughput and the fairness index.
Highlights
The emergence of low power consumption wireless technologies is one of the main enablers of the Internet of Thing (IoT) and the emergence of the Fifth Generation (5G) wireless standard in 2020 will be the key to IoT growth and its establishment as a tangible concept to the user.A key enabling factor for IoT traffic growth is the proliferation of wearable devices and sensors.These devices can be worn on a person and have the potential to communicate to the network directly through wireless connectivity or indirectly through a smartphone using Bluetooth, ZigBee and Wi-Fi or any other standards
The Machine Type Communications (MTC) category will contribute to the majority of future IoT traffic, where everything will become
The MTC category will contribute to the majority of future IoT traffic, where everything will become connected to the internet
Summary
The emergence of low power consumption wireless technologies is one of the main enablers of the Internet of Thing (IoT) and the emergence of the Fifth Generation (5G) wireless standard in 2020 will be the key to IoT growth and its establishment as a tangible concept to the user. A key enabling factor for IoT traffic growth is the proliferation of wearable devices and sensors These devices can be worn on a person and have the potential to communicate to the network directly through wireless connectivity or indirectly through a smartphone using Bluetooth, ZigBee and Wi-Fi or any other standards. In Reference [12], the authors have investigated how to support MTC services through HetNets with relay deployments and Carrier Aggregation (CA) in the Long Term Evolution (LTE) network They only considered fixed (stationary) sensors such as weather sensors and used a single base station that is equipped with omnidirectional antenna. This paper, investigates the joint use of DBS network architecture and the adoption of mmWave, 26 GHz, to cope with the massive traffic of MTC connections, where fixed sensors and wearable sensors are supported by 5G in the IoT environment.
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