Always-on Short Messages for Wireless Network Security
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Solution Overview
Problem
Wireless communication systems face challenges in ensuring always-on short message delivery, particularly in scenarios where unauthorized devices can exploit the lack of periodic short message transmission to cause denial-of-service attacks, leading to potential safety risks and connectivity issues due to non-reception of critical system information change or public warning system notifications.
Innovation Solution
Implementing an always-on short message configuration where base stations transmit short messages at configured periodicity, even when there are no system information changes or public warning system notifications, to ensure user equipment (UE) can initiate mitigation actions upon non-reception, using security keys for integrity verification and allowing UEs to monitor specific or selected reception occasions for these messages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If base stations transmit short messages only when there are system information changes or public warning notifications, then transmission resources are saved, but the system becomes vulnerable to denial-of-service attacks and reliability decreases
Solution Approach 1:
The patent implements periodic short message transmission at configured intervals regardless of whether system information changes or public warning notifications are present. This periodic action ensures that the communication channel remains active and verifies connectivity, preventing unauthorized devices from exploiting gaps in transmission to launch denial-of-service attacks while maintaining system reliability.
Solution Approach 2:
The patent maintains continuous short message transmission to ensure uninterrupted communication between base stations and user equipment. By transmitting messages continuously at configured periodicity, the system prevents communication gaps that could be exploited by unauthorized devices, thereby eliminating denial-of-service vulnerabilities while preserving reliable message delivery.
2Object-affected harmful factors
If base stations transmit short messages at configured periodicity even when no changes or notifications are present, then denial-of-service attack risk is reduced, but transmission resources are consumed
Solution Approach 1:
The patent employs periodic transmission at configured intervals rather than continuous transmission, allowing the system to maintain security by keeping the communication channel active while reducing energy consumption by transmitting only at necessary intervals rather than continuously.
3Reliability
If UEs monitor specific reception occasions for short messages, then message delivery reliability is improved, but device power consumption increases
Solution Approach 1:
The patent configures UEs to monitor for short messages at specific periodic reception occasions rather than continuously. This periodic monitoring approach ensures reliable reception by checking at predetermined intervals while significantly reducing power consumption compared to continuous monitoring, as the UE can enter low-power states between monitoring occasions.
Data Source
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AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may monitor a reception occasion for a short message that includes a system information change notification or a public warning system notification. The UE may initiate a mitigation action related to a radio link with a network based at least in part on non-reception by the UE of the short message in the reception occasion, failure of the short message to pass an integrity check, and/or the like. Numerous other aspects are provided.