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Urban Air Mobility: A Review of Recent Advances in Communication, Management, and Sustainability

Zhitong He, Zijing Wang, Lingxi Li

TL;DR

This paper addresses Urban Air Mobility (UAM) by dissecting advances in communication, management, and sustainability, illustrating how integrated, low-latency air-ground connectivity, dynamic traffic management, and energy-aware propulsion can enable scalable UAM operations. It synthesizes progress across hybrid infrastructures, spectrum management with deep learning, and hardware innovations, alongside decentralized and multi-agent safety and control architectures for dense urban airspace. The work highlights interdependencies among domains and argues for interoperable, standards-based ecosystems supported by policy and cybersecurity considerations. Overall, the paper underscores that sustainable UAM hinges on tightly coupled technical and infrastructural developments, capable of reducing congestion and emissions while ensuring safety and resilience, albeit with regulatory and societal challenges to address.

Abstract

Urban Air Mobility (UAM) offers a transformative approach to addressing urban congestion, improving accessibility, and advancing environmental sustainability. Rapid progress has emerged in three tightly linked domains since 2020: (1) Communication, where dynamic spectrum allocation and low-altitude channel characterization support reliable air-ground data exchange; (2) UAM management, with novel air-traffic control concepts for dense, largely autonomous urban airspace; and (3) Sustainability, driven by energy-efficient propulsion, integrated charging infrastructure, and holistic environmental assessment. This paper reviews and synthesizes the latest research across these areas, compares the state-of-the-art solutions, and outlines the technological and infrastructural milestones that are critical to realizing a scalable, sustainable UAM ecosystem.

Urban Air Mobility: A Review of Recent Advances in Communication, Management, and Sustainability

TL;DR

This paper addresses Urban Air Mobility (UAM) by dissecting advances in communication, management, and sustainability, illustrating how integrated, low-latency air-ground connectivity, dynamic traffic management, and energy-aware propulsion can enable scalable UAM operations. It synthesizes progress across hybrid infrastructures, spectrum management with deep learning, and hardware innovations, alongside decentralized and multi-agent safety and control architectures for dense urban airspace. The work highlights interdependencies among domains and argues for interoperable, standards-based ecosystems supported by policy and cybersecurity considerations. Overall, the paper underscores that sustainable UAM hinges on tightly coupled technical and infrastructural developments, capable of reducing congestion and emissions while ensuring safety and resilience, albeit with regulatory and societal challenges to address.

Abstract

Urban Air Mobility (UAM) offers a transformative approach to addressing urban congestion, improving accessibility, and advancing environmental sustainability. Rapid progress has emerged in three tightly linked domains since 2020: (1) Communication, where dynamic spectrum allocation and low-altitude channel characterization support reliable air-ground data exchange; (2) UAM management, with novel air-traffic control concepts for dense, largely autonomous urban airspace; and (3) Sustainability, driven by energy-efficient propulsion, integrated charging infrastructure, and holistic environmental assessment. This paper reviews and synthesizes the latest research across these areas, compares the state-of-the-art solutions, and outlines the technological and infrastructural milestones that are critical to realizing a scalable, sustainable UAM ecosystem.
Paper Structure (21 sections, 1 figure, 1 table)

This paper contains 21 sections, 1 figure, 1 table.

Table of Contents

  1. Introduction
  2. Communication Technologies in UAM
  3. Communication Infrastructures and Technologies
  4. Existing and Emerging Infrastructures
  5. Spectrum Management
  6. Hardware Considerations
  7. Enhancing Communication Capabilities
  8. UAM Management
  9. Optimizing Traffic Flow and Scheduling
  10. Traffic Demand Analysis
  11. Scalable Scheduling Approaches
  12. Ensuring Safety and Resilience in UAM Operations
  13. Air Traffic Management Model
  14. Dynamic Safety Mechanisms
  15. Vertiport Safety Strategy
  16. ...and 6 more sections

Figures (1)

  • Figure 1: Keywords map of post-2020 UAM research and development focusing on communication, management, and sustainability (generated by VOSviewer van2017citation). Larger keywords indicate higher frequency of appearance in the reviewed literature.