IEEE 802.15.4g

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IEEE 802.15.4g

• IEEE 802.15.4g and IEEE 802.15.4e are amendments of IEEE 802.15.4-2011. These amendments give additional enhancement in industrial application features and radio communications mechanism suited for a SUN. 
• The inclusion of various functionalities such as robust multihop, power saving, interference detection/avoidance, and optimized physical layer design are also enabled with these standards. These additions to the physical layer and MAC layer requirements made both standards more effective for applications in SUN. 
• IEEE 802.15.4g targets usage scenarios in Neighbourhood Area Networks (NAN) too, for the environments where utility meters are deployed outdoor and form mesh/ad hoc networks.
• Wireless SUN (Wi-SUN) networks are designed to enable wireless connectivity between smart-grid devices. Wi-SUN Alliance [1] is a consortium of global corporations and world leaders in Smart Utility, Smart City, and IoT Markets formed to improve utility networks using narrowband wireless technology.
• The IEEE 802.15.4g as revision defines the PHY specifications for outdoor networking environments, e.g. Wi-SUN. The frequency bands for this technology are 868 MHz (Europe), 915 MHz (USA), and 2,4 GHz ISM (global). Combining different parameter values (speed, bandwidth, etc.), this standard offers numerous options for PHY, and achievable speeds ranging from 6.25 kbps to 800 kbps and frames up to 2 047 bytes.
•  Besides the data rates up to 800 kbps, the IEEE 802.15.4g SUN specification supports a long communication range of several hundred meters and a reliable mesh-routing protocol, which is expected to be a promising solution for mesh sensor networks.

APPLICATIONS OF IEEE 802.15.4g Wi-SUN 

• The usage of the IEEЕ 802.15.4.g standard for smart metering and SUN as a part of a smart grid.
• Healthcare systems - developed for health monitoring and data aggregation.
• Environmental indoor monitoring systems for sensing temperature, humidity, CO2, and energy control. 
• It is used for the implementation of the Industrial Internet of Things (IIoT). 
• Environmental monitoring - it is proved that this standard can be used for outdoor operations with the ability to reduce the number of repeater nodes.
• This standard is used for monitoring, intrusion and fire detection, elevator monitoring, HVAC, and lighting management in Smart Building application.

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