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Power-Consumption Outage in Beyond Fifth Generation Mobile Communication Systems.

Jing Yang¹, Xiaohu Ge¹, John Thompson²

¹School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan 430074, China.

IEEE Transactions on Wireless Communications

|July 12, 2021

Summary

This summary is machine-generated.

Future mobile systems face performance issues due to heat from high data rates, causing power-consumption outages. This study defines and analyzes these outages, impacting device performance and maximum receiving rates.

Keywords:

Massive MIMO capacity with outage mobile communication outage probability smartphones

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Area of Science:

Engineering
Computer Science
Physics

Background:

High data rates in future mobile systems (beyond 5G) generate significant energy dissipation.
This energy dissipation leads to heat generation, impacting mobile device performance.
A novel outage type, termed power-consumption outage, is identified as a critical issue.

Purpose of the Study:

To define power-consumption outage and its characteristics.
To analyze the probability of power-consumption outage using heat transfer models.
To investigate the impact of power-consumption outage on mobile system capacity and performance.

Main Methods:

Developed a general definition and features of power-consumption outage.
Utilized a heat transfer model for smartphones to analyze outage probability.
Derived the joint outage probability considering signal-to-noise ratio (SNR), communication duration, and initial temperature.
Calculated the upper bound of the maximum receiving rate and analyzed capacity impacts.

Main Results:

Power-consumption outage probability escalates with increased SNR and extended communication duration.
The upper bound of the maximum receiving rate for smartphones diminishes with longer communication times.
Joint outage analysis reveals that outage capacities decrease with rising SNR beyond a threshold.

Conclusions:

Power-consumption outage is a critical factor limiting performance in high-data-rate mobile systems.
Device thermal management and communication parameters significantly influence outage probabilities and system capacity.
Optimizing communication duration and managing SNR are crucial for maintaining performance and receiving rates.