Sidelink Capability Exchange for Compatible Terminal Communication
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Solution Overview
Problem
Existing communication technologies face challenges due to mismatches in communication capabilities between terminals, leading to poor service transmission performance.
Innovation Solution
Terminals exchange support and preferential information for sidelink (SL) communication, allowing them to determine compatibility and select appropriate communication methods, such as SL, WLAN, or aggregated SL and WLAN communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If terminals communicate without exchanging capability information, then communication setup is simple and fast, but service transmission performance deteriorates due to capability mismatches
Solution Approach 1:
The patent applies preliminary action by having terminals exchange capability information (support information and preferential information) before actual service transmission begins. This pre-exchange of information allows terminals to identify compatible communication modes in advance, ensuring reliable service transmission without capability mismatches while maintaining relatively simple communication setup procedures.
2Adaptability or versatility
If terminals use fixed communication modes, then implementation is simple, but adaptability to different terminal capabilities deteriorates
Solution Approach 1:
The patent applies dynamics by enabling terminals to dynamically select communication modes based on exchanged capability information. Terminals can adaptively choose from multiple communication modes (such as first communication mode, second communication mode, or third communication mode) depending on their compatibility and preferences, providing high adaptability while keeping communication management relatively simple through automated selection.
Solution Approach 2:
The patent applies parameter changes by allowing terminals to change communication parameters (communication mode selection) based on exchanged capability information. This enables adaptability to different terminal capabilities while maintaining simple implementation through standardized information exchange protocols and automated parameter adjustment.
3Reliability
If terminals exchange detailed capability information, then communication compatibility improves, but information overhead and processing complexity increase
Solution Approach 1:
The patent applies taking out by extracting only the essential capability information needed for communication mode selection. Terminals exchange support information (indicating which communication modes are supported) and preferential information (indicating preferred modes) rather than all possible capability details. This ensures communication compatibility while minimizing information overhead and processing complexity.
Data Source
AI summary
An information sending method includes sending first information to a second terminal, where the first information is used to indicate support information and/or preferential information of a first terminal for communication, the communication includes at least one of first communication or second communication, and the first communication or the second communication is sidelink communication.