Research Topic

Age of Information

About this Research Topic

The freshness of information is of significant importance since information is useful when is fresh. Applications that rely on information freshness include networked monitoring, tactical networks, sensor networks, IoT, and Cyber-Physical Systems, to name a few.

Age of Information (AoI) has emerged as a concept that has recently gained increasing attention as a performance metric for quantifying information freshness at the destination. Improving first-order metrics (e.g., for providing high throughput and low delay) that render enhanced performance in traditional communication networks, is not sufficient when it comes to optimize information freshness. Therefore, there is an urgent need to re-examine existing metrics and develop new ones for emerging time-critical applications. AoI is a promising and powerful metric towards this direction.

This special issue will focus in several aspects of Age of Information. Topics of interest include, but are not limited to:

• AoI analysis and optimization
• Multiuser scheduling for optimizing information freshness
• Cooperative status update for improved information freshness
• AoI for Control
• Analysis and optimization of AoI in energy harvesting systems
• Physical layer security in information freshness-aware networks
• Information freshness beyond AoI


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

The freshness of information is of significant importance since information is useful when is fresh. Applications that rely on information freshness include networked monitoring, tactical networks, sensor networks, IoT, and Cyber-Physical Systems, to name a few.

Age of Information (AoI) has emerged as a concept that has recently gained increasing attention as a performance metric for quantifying information freshness at the destination. Improving first-order metrics (e.g., for providing high throughput and low delay) that render enhanced performance in traditional communication networks, is not sufficient when it comes to optimize information freshness. Therefore, there is an urgent need to re-examine existing metrics and develop new ones for emerging time-critical applications. AoI is a promising and powerful metric towards this direction.

This special issue will focus in several aspects of Age of Information. Topics of interest include, but are not limited to:

• AoI analysis and optimization
• Multiuser scheduling for optimizing information freshness
• Cooperative status update for improved information freshness
• AoI for Control
• Analysis and optimization of AoI in energy harvesting systems
• Physical layer security in information freshness-aware networks
• Information freshness beyond AoI


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

09 June 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

09 June 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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