Mitigating Physical Layer Security Vulnerabilities in 4G and 5G Cellular Networks

Security vulnerabilities on the physical layer in 4G and 5G networks divulge those networks to diverse threats. Eavesdropping, in which unauthorized interception of consumer information occurs, is mitigated through encryption and stable key change protocols in 4G, at the same time as 5G carries stronger encryption radio interface assaults, probably inflicting sign disruptions, are mitigated via way of means of sign jamming detection, frequency hopping, and unfold spectrum strategies in 4G, and beamforming, MIMO, and Rogue base stations are addressed through authentication mechanisms, consisting of IMSI catcher detection in 4G, and stronger authentication approaches in 5G. Physical layer assaults, such as hardware compromise, are countered via way of means of tracking radio parameters and using hardware protection modules (HSMs). Man-in-the-middle assaults are mitigated the use of public key infrastructure (PKI) for certificate-primarily based totally authentication. Denial of carrier assaults are tackled thru site visitors sample tracking and fee proscribing in 4G, and stronger detection mechanisms and community reducing for isolation in 5G. This work specifically focuses on the practical implications of these vulnerabilities in real-world deployments. The novelty in this study, encompasses the comprehensive adaption of security that uses advanced signal processing, encryption techniques and analytics that are machine learning based with the aim of enhancing resilience with evolving threats. Additionally, modern telecommunication security falls within this scope of real-time intrusion detection and compliance to global security standards. These mitigations enhance community protection on the physical layer, making sure sturdy and dependable Wi-Fi communication.