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Mitigation of Inter-cell Interference in an Industrial Communication Network by Coordinated Scheduling

Milanovic, Stefan LU and Månsson Bennhagen, Jack LU (2020) EITM01 20201
Department of Electrical and Information Technology
Abstract
With Industry 4.0, the manufacturing industries are transitioning from wired to wireless communication between machines which put high demands on the network system. This can be achieved with the fifth generation (5G) of wireless communication by utilizing two fundamental key features in New Radio (NR), Massive Machine-Type Communication (mMTC) and Ultra-Reliable Low Latency Communication (URLLC). To handle the increased network load that comes with mMTC, multiple cells may need to be implemented, which introduces Inter-Cell Interference (ICI) to the network system. The added ICI may reduce the overall performance of the system.
The aim of this thesis was to investigate if the number of devices could be increased while maintaining a high... (More)
With Industry 4.0, the manufacturing industries are transitioning from wired to wireless communication between machines which put high demands on the network system. This can be achieved with the fifth generation (5G) of wireless communication by utilizing two fundamental key features in New Radio (NR), Massive Machine-Type Communication (mMTC) and Ultra-Reliable Low Latency Communication (URLLC). To handle the increased network load that comes with mMTC, multiple cells may need to be implemented, which introduces Inter-Cell Interference (ICI) to the network system. The added ICI may reduce the overall performance of the system.
The aim of this thesis was to investigate if the number of devices could be increased while maintaining a high reliability. The objective was to mitigate uplink ICI by coordinating schedulers between two cells in an industrial communication network. The coordination feature was implemented in an already existing Ericsson AB simulator. The approach was to identify devices that contributed more to the ICI by using the Reference Signal Received Power (RSRP) measurement. These devices were then allocated frequency resources in a protected frequency band which restricted the other cell from allocating on the same frequency resources in the same uplink slot.
The results showed that by coordinating the schedulers between two cells, a 10 \% increase in the number of devices could be achieved while upholding a reliability of 99.9 \%. (Less)
Popular Abstract
The Fifth Generation (5G) of wireless communication is enabling manufacturing industries to transition from wired to wireless communication. This allows a reliable low latency communication between machines which is a keystone in the next industrial revolution, called Industry 4.0. This will increase the number of connected devices in the wireless network. In this thesis a method for increasing the capacity in the network to support an increased number of devices by 10\% is presented.
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author
Milanovic, Stefan LU and Månsson Bennhagen, Jack LU
supervisor
organization
course
EITM01 20201
year
type
H2 - Master's Degree (Two Years)
subject
keywords
5G, NR, Industrial, Industry 4.0, IoT, ICI, RSRP
report number
LU/LTH-EIT 2020-775
language
English
id
9022790
date added to LUP
2020-06-29 16:56:45
date last changed
2020-06-29 16:56:45
@misc{9022790,
  abstract     = {{With Industry 4.0, the manufacturing industries are transitioning from wired to wireless communication between machines which put high demands on the network system. This can be achieved with the fifth generation (5G) of wireless communication by utilizing two fundamental key features in New Radio (NR), Massive Machine-Type Communication (mMTC) and Ultra-Reliable Low Latency Communication (URLLC). To handle the increased network load that comes with mMTC, multiple cells may need to be implemented, which introduces Inter-Cell Interference (ICI) to the network system. The added ICI may reduce the overall performance of the system.
The aim of this thesis was to investigate if the number of devices could be increased while maintaining a high reliability. The objective was to mitigate uplink ICI by coordinating schedulers between two cells in an industrial communication network. The coordination feature was implemented in an already existing Ericsson AB simulator. The approach was to identify devices that contributed more to the ICI by using the Reference Signal Received Power (RSRP) measurement. These devices were then allocated frequency resources in a protected frequency band which restricted the other cell from allocating on the same frequency resources in the same uplink slot.
The results showed that by coordinating the schedulers between two cells, a 10 \% increase in the number of devices could be achieved while upholding a reliability of 99.9 \%.}},
  author       = {{Milanovic, Stefan and Månsson Bennhagen, Jack}},
  language     = {{eng}},
  note         = {{Student Paper}},
  title        = {{Mitigation of Inter-cell Interference in an Industrial Communication Network by Coordinated Scheduling}},
  year         = {{2020}},
}