Multi-Layer Tunneling for Wireless Relay Data Forwarding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless communication technologies, such as LTE and NR, face challenges in efficiently managing multi-hop wireless networks due to limitations in existing tunneling and control mechanisms, which affect data forwarding and quality of service across multiple hops.
Innovation Solution
The implementation of multi-layer tunneling and centralized control mechanisms, utilizing radio bearers and tunnel identifiers, allows for efficient data forwarding and quality of service management across multiple hops in wireless communication networks, leveraging the 3GPP split-architecture concept and existing CU/DU architecture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multi-hop wireless networks use existing tunneling mechanisms, then data can be forwarded across multiple hops, but quality of service management and resource efficiency deteriorate
Solution Approach 1:
The patent segments the tunneling mechanism into multiple layers (Layer 1 tunneling for basic data transport and Layer 2 tunneling for quality of service management). This segmentation allows each layer to handle specific functions independently, improving quality of service management while maintaining data forwarding reliability across multi-hop networks.
Solution Approach 2:
The patent introduces intermediary elements including mapping information that associates Layer 1 tunnel identifiers with Layer 2 tunnel identifiers, and intermediary network nodes that perform encapsulation and decapsulation operations. These intermediaries enable sophisticated quality of service management without requiring complex changes at every network node.
2Ease of operation
If existing control mechanisms are used in multi-hop wireless networks, then network operation can be maintained, but resource conservation and implementation simplicity worsen
Solution Approach 1:
The patent establishes mapping information between Layer 1 and Layer 2 tunnel identifiers in advance before data transmission occurs. This preliminary configuration allows network nodes to perform simple lookups during data forwarding rather than making complex real-time decisions, reducing processing resources and energy consumption while maintaining ease of operation.
Solution Approach 2:
The patent changes the parameter space by introducing dual-layer tunneling with distinct identifier systems. Layer 1 uses simple tunnel identifiers for basic routing, while Layer 2 uses separate identifiers for quality of service management. This parameter separation enables efficient resource usage by matching the complexity of the identification mechanism to the complexity of the required management function.
Data Source
AI summary
Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication relay may receive configuration information identifying a first mapping between a first radio bearer and a first tunnel identifier; obtain a second mapping between a second radio bearer and at least one of the first radio bearer or the first tunnel identifier; and/or transmit data, received on the first radio bearer, on the second radio bearer, wherein the data is transmitted with the first tunnel identifier. Numerous other aspects are provided.