Shared Synchronization Signals for Multi-Subsystem Wireless Communication
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Solution Overview
Problem
In wireless communication systems with multiple control and controlled devices forming multiple communication sub-systems, existing protocols fail to enable controlled devices to synchronize with the correct control device and obtain necessary resource configuration information within their respective sub-systems.
Innovation Solution
A method involving a first control device receiving a synchronization signal from a second control device to determine synchronization information of its own system, and a second control device transmitting synchronization signals that provide synchronization and resource configuration information for all communication sub-systems, allowing devices to synchronize and obtain resource configuration through shared synchronization signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing communication protocols are used for multiple control devices and controlled devices forming multiple communication sub-systems, then device complexity is reduced, but controlled devices cannot achieve synchronization with control devices and cannot obtain resource configuration information
Solution Approach 1:
The synchronization signal is designed to serve multiple communication sub-systems simultaneously. A single synchronization signal from a first control device provides synchronization information to both controlled devices in the first communication sub-system and to second control devices in second communication sub-systems, enabling one signal to perform multiple synchronization functions across different sub-systems.
Solution Approach 2:
The synchronization signal acts as an intermediary that bridges control devices and controlled devices across multiple sub-systems. By transmitting synchronization information that can be interpreted by different types of devices (controlled devices and second control devices), the synchronization signal enables indirect coordination and synchronization without requiring direct pairwise communication between all devices.
2Reliability
If separate synchronization signals are transmitted for each communication sub-system, then synchronization reliability is improved, but bandwidth usage increases
Solution Approach 1:
Multiple synchronization signals that would traditionally be transmitted separately for different communication sub-systems are merged into a single synchronization signal. This unified signal contains synchronization information for multiple sub-systems, achieving the reliability of separate signals while reducing bandwidth consumption through consolidation.
Solution Approach 2:
The synchronization signal is designed with multi-functionality to serve multiple communication sub-systems simultaneously. By embedding synchronization information for different sub-systems within a single signal structure, the system achieves reliable synchronization across all sub-systems without requiring proportional increases in bandwidth for each additional sub-system.
3Adaptability or versatility
If multiple control devices transmit synchronization signals independently, then synchronization coverage is improved, but deployment complexity increases
Solution Approach 1:
The synchronization signal structure is designed to be universally applicable across multiple communication sub-systems. When a first control device transmits the synchronization signal, the embedded synchronization information can be automatically interpreted and applied by controlled devices and second control devices in various sub-systems, providing broad synchronization coverage without requiring device-specific signal configurations.
Solution Approach 2:
The synchronization signal enables devices to self-configure and self-synchronize without requiring complex deployment procedures. Controlled devices and second control devices can autonomously extract and apply synchronization information from the signal, eliminating the need for manual configuration or complex deployment management while achieving wide synchronization coverage.
Data Source
AI summary
A wireless communication method and a device are provided. The wireless communication system includes a second control device, at least one first control device, and at least one terminal. The second control device transmits a first synchronization signal, where the first synchronization signal provides synchronization information of at least one communication sub-system in a wireless communication system.