Effect of Physical-Layer Impairments on Two-Step Random Access with Message Replication in 6G NTN

Key Points

• The research aims to analyze the impact of physical-layer impairments on the success probability of two-step random access using message replication.
• Developed a probabilistic model considering collision, signal detection, and decoding error probabilities.
• Conducted simulations to evaluate the model under various system parameters.
• Assessed the performance in realistic wireless environments.
• Identified key factors that affect random access performance under physical-layer impairments.
• Demonstrated that message replication enhances access success rates in certain scenarios.
• Provided effective operating strategies for two-step random access in 6G NTN environments.

Abstract