Relay Authentication Signaling for Timely Remote Data Transmission
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Solution Overview
Problem
In proximity-based services, remote terminal devices communicating via relay devices face inefficiencies due to pending secondary authentication by data networks, leading to delayed data transmission.
Innovation Solution
A communication method where a relay terminal device sends indication information to a remote terminal device to avoid data transmission during pending authentication, followed by a message to trigger data transmission when authentication is complete or not required.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the remote terminal device continues to send data during pending authentication, then data transmission can proceed without interruption, but data transmission may fail or be inefficient due to authentication requirements
Solution Approach 1:
The relay terminal device performs preliminary authentication with the data network before the remote terminal device sends data. The authentication result is obtained in advance, and the remote terminal device is notified to either continue or suspend data transmission based on this pre-obtained authentication status, avoiding transmission failures
Solution Approach 2:
The relay terminal device sends indication information to the remote terminal device based on the authentication result, providing feedback that controls whether the remote terminal device should send data. This feedback mechanism ensures data is only transmitted when authentication is successful or not required
2Reliability
If the remote terminal device suspends data transmission during pending authentication, then data transmission reliability is improved, but communication efficiency deteriorates due to prolonged delays
Solution Approach 1:
Authentication is performed in advance before data transmission begins. The relay terminal device obtains the authentication result beforehand and notifies the remote terminal device, allowing data transmission to start immediately without suspension or delay
Solution Approach 2:
The system dynamically adjusts data transmission behavior based on authentication status. The remote terminal device transitions between suspended and active transmission states according to real-time authentication results, optimizing both reliability and efficiency
3Reliability
If the relay terminal device continuously monitors authentication status, then data transmission reliability is improved, but device complexity increases
Solution Approach 1:
The relay terminal device acts as an intermediary between the remote terminal device and the data network. It performs authentication with the data network and relays the authentication status to the remote terminal device, simplifying the overall system architecture and reducing monitoring complexity
Data Source
AI summary
Embodiments of this application provide a communication method, apparatus, and system, where a relay terminal device sends first indication information to a remote terminal device. The first indication information indicates the remote terminal device to avoid sending data. The remote terminal device is to be authenticated by a data network, and the data network is used to provide a service for the remote terminal device via the relay terminal device. The relay terminal device sends a second message to the remote terminal device after receiving a first message, where the second message is used to trigger the remote terminal device to send the data, and the first message indicates that the authentication is not required, or the first message indicates that the authentication succeeds.