5G Time Synchronization via Selective Authorization
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Solution Overview
Problem
In 5G communication scenarios, providing time synchronization services to specific terminals is challenging due to the current network mechanism's inability to control time synchronization across all devices, leading to inefficient resource allocation and potential service disruptions.
Innovation Solution
A communication method and apparatus that obtain authorization information to determine which devices require time synchronization services, allowing for targeted provision of time information, thereby avoiding broadcast to all devices and enabling controlled, authorized, and charged time synchronization services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If time synchronization service is provided to all terminals through base station broadcasting, then all terminals can achieve time synchronization, but network resources are wasted and service control is lost
Solution Approach 1:
The patent implements differentiated time synchronization service provision where the base station provides time synchronization services selectively to specific terminals based on their service requirements, rather than uniformly to all terminals. This is achieved through authorization information that identifies which terminals need the service, enabling localized service delivery that matches actual demand and avoids unnecessary network resource consumption.
Solution Approach 2:
The patent introduces authorization information as a control parameter that changes the service provision state from universal broadcasting to targeted delivery. The base station uses this parameter to dynamically adjust whether to provide time synchronization services to specific terminals, enabling flexible resource allocation that adapts to varying service requirements across different terminals.
2Adaptability or versatility
If time synchronization service is provided to all terminals, then comprehensive service coverage is achieved, but service control and authorization mechanisms cannot be implemented
Solution Approach 1:
The patent enables selective service provision by implementing local quality differentiation through authorization information. The base station can provide time synchronization services to specific terminals that require them while excluding terminals that do not, achieving both targeted service delivery and operational control through the authorization mechanism.
Solution Approach 2:
The patent introduces authorization information as an intermediary element that mediates between the base station and terminals. This intermediary carries service requirement indications that enable the base station to control service provision selectively, thus achieving both service coverage for needed terminals and operational control through the authorization filter.
3Measurement precision
If time synchronization is implemented through centralized base station control, then synchronization accuracy is improved, but network dependency increases and direct terminal-to-terminal synchronization is lost
Solution Approach 1:
The patent maintains centralized base station control for time synchronization while adding selective service provision capability. The base station continues to provide accurate time synchronization to terminals that require it, determined by authorization information. This approach preserves synchronization accuracy through centralized control while using the authorization mechanism to simplify service management rather than increase complexity.
Data Source
AI summary
This application provides a communication method and a communications device. One example method includes: receiving, by a first communications device, first information from a third communications device; and sending, by the third communications device, the first information to the first communications device.