Sidelink QoS Parameter Exchange for Latency and Reliability
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Solution Overview
Problem
Wireless communication systems face challenges in ensuring latency and reliability requirements for sidelink communications, particularly due to lack of mechanisms for resource selection and prioritization, leading to failures in adhering to latency and reliability standards.
Innovation Solution
User equipment (UEs) transmit and receive information indicating quality-of-service (QoS) parameters and packet delay budgets (PDBs) to ensure proper resource selection and communication, thereby improving adherence to latency and reliability requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If UEs perform sidelink communications without QoS parameter exchange, then device complexity is reduced, but reliability and latency adherence deteriorate
Solution Approach 1:
The patent applies preliminary action by having UEs exchange QoS parameters and PDB information before establishing sidelink communications. This advance information exchange enables receivers to pre-configure resource selection criteria and prioritization rules, ensuring reliability and latency requirements are met from the outset without requiring complex real-time negotiation mechanisms.
Solution Approach 2:
The patent implements feedback mechanisms where UEs transmit QoS parameters and PDB information to counterparties, enabling continuous monitoring and adjustment of communication parameters. This feedback loop allows the system to adapt to changing conditions while maintaining reliability, balancing the complexity of information exchange with the benefits of improved performance.
2Loss of time
If UEs exchange QoS parameter information, then adherence to latency requirements improves, but communication overhead increases
Solution Approach 1:
The patent applies parameter changes by standardizing QoS parameters and PDB information into structured data formats that can be efficiently transmitted and processed. By defining specific parameter types and formats, the system minimizes communication overhead while ensuring accurate conveyance of latency requirements, achieving a balance between information completeness and transmission efficiency.
3Productivity
If resource selection is performed without priority awareness, then ease of operation is improved, but productivity deteriorates
Solution Approach 1:
The patent implements dynamics by enabling UEs to dynamically adjust resource selection based on exchanged QoS parameters and priority information. The system automatically adapts resource allocation decisions to match traffic requirements, improving productivity for time-sensitive communications while maintaining ease of operation through automated decision-making rather than manual configuration.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may transmit, to a second UE or a controller associated with a sidelink, information indicating a quality-of-service parameter associated with traffic of the first UE. The UE may communicate in accordance with the information. Numerous other aspects are described.