Sidelink L2 Identifier Association for Multi-Link UE Resource Allocation
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing layer 2 identifiers for sidelink communications between user equipment, leading to inefficiencies in resource allocation and communication management.
Innovation Solution
The establishment of distinct layer 2 identifiers for different sidelinks between user equipment, along with the exchange of indications associating these identifiers, enables effective sidelink communication management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple sidelinks are established with different layer 2 identifiers, then communication flexibility and resource allocation efficiency are improved, but identifier management complexity increases
Solution Approach 1:
The patent segments the layer 2 identifier space into multiple identifiers (first L2 identifier and second L2 identifier) that can be associated with different sidelinks. This allows the system to manage multiple communications simultaneously by dividing the identifier space, thereby improving resource allocation efficiency while maintaining manageable complexity through structured organization of identifiers.
2Adaptability or versatility
If layer 2 identifiers are associated with multiple sidelinks, then communication versatility is improved, but processing overhead increases
Solution Approach 1:
The patent applies preliminary action by pre-establishing the association between layer 2 identifiers and sidelinks before actual communication occurs. The network entity configures and signals these identifier associations in advance, allowing the user equipment to efficiently manage multiple sidelinks without excessive processing overhead during active communication, thus achieving versatility with reduced real-time processing requirements.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may establish, with a second UE, a first sidelink associated with a first layer 2 (L2) identifier of the second UE and a second sidelink associated with a second L2 identifier of the second UE, wherein the first L2 identifier is different than the second L2 identifier. The first UE may receive an indication associating the second UE with the first L2 identifier and the second L2 identifier. Numerous other aspects are described.