Integrated Sensing and Communication for Low-Altitude Security

TL;DR

This paper explores how integrated sensing and communication (ISAC) can enhance security in low-altitude environments by leveraging cellular infrastructure for wide-area sensing, real-time decision-making, and trust management.

Contribution

It provides a systematic review of ISAC technology for low-altitude security, analyzing challenges, potential, and future research directions.

Findings

ISAC enables seamless wide-area sensing networks.

Supports real-time feature extraction and intent inference.

Facilitates dynamic trust authentication.

Abstract

The dense concentration of low-altitude, slow-speed, and small-size targets in the complex low-altitude environment poses significant security challenges, including failures in continuous wide-area sensing and ambiguous target intent, which existing regulatory frameworks struggle to address. Integrated sensing and communication (ISAC), a hallmark of next-generation mobile communication, offers a transformative approach to low-altitude security governance. By leveraging existing cellular infrastructure and spectrum resources, ISAC enables the construction of a seamless wide-area sensing network, supports intelligent feature extraction and intent inference, facilitates real-time collaborative decision-making, and establishes a dynamic trust authentication framework. This article systematically reviews the technical system, analyzes the security challenges, forecasts the enabling value of ISAC, and discusses the resulting open problems and challenges, thereby laying a foundation for future research and industrial implementation.