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Secrecy Metrics over Random Gaussian SIMOME and MIMOME Channels

Year: 2026

Type: conference-paper

Abstract: The achievable secrecy of time-invariant wireless channels is typically characterized by the secrecy capacity of the communication system, whose mathematical expression is well established. However, in most practical scenarios, channels cannot be assumed to remain constant or to be perfectly known at both the transmitter and the legitimate receiver. In such cases, no closed-form expression for the secrecy capacity is available. To address this, several metrics are studied, that characterize secrecy in random channel environments: Ergodic Secrecy Rate (ESR), Ergodic Positive Secrecy Rate (EPSR), and Secrecy Outage Probability (SOP). We derive the optimal values of these metrics for SIMOME channels (Single-Input, Multiple-Output, Multiple-Eavesdropper) and various MIMOME (Multiple-Input, Multiple-Output, Multiple-Eavesdropper) scenarios.

Source: HAL

Authors: Leroy, Clément, Arbi, Tarak, Geller, Benoit, Rioul, Olivier

Institutions: Unité d'Informatique et d'Ingénierie des Systèmes, Télécom Paris, Institut Polytechnique de Paris

Language: English

Topic: Wireless Communication Security Techniques

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7204673907

FWCI:

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