Simultaneous Communication Capability Signaling in IAB Networks
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Solution Overview
Problem
Current wireless communication technologies, such as LTE and NR, face challenges in efficiently managing simultaneous communication capabilities across multiple parent nodes, mobile termination components, transmit receive points, and cells, leading to increased latency and resource conflicts in integrated access and backhaul networks.
Innovation Solution
A method and apparatus for transmitting and receiving indications of communication capabilities within wireless networks, allowing nodes to signal their ability for simultaneous communication across multiple links, enabling efficient resource allocation and reducing latency by configuring and scheduling resources based on these capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If nodes in integrated access and backhaul networks manage simultaneous communication across multiple parent nodes and cells, then spectral efficiency and resource utilization are improved, but latency increases and resource conflicts occur
Solution Approach 1:
The patent applies preliminary action by having nodes pre-signal their simultaneous communication capabilities to parent nodes before actual resource allocation occurs. This capability indication allows the network to plan and configure resources in advance, avoiding last-minute conflicts and reducing latency while maintaining high spectral efficiency through proactive resource management.
2Productivity
If nodes signal and manage simultaneous communication capabilities across multiple links, then resource allocation efficiency is improved, but device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the complex capability signaling into modular components: capability indication messages, capability parameters, and structured reporting mechanisms. This segmentation allows the complex functionality to be implemented through standardized, manageable message exchanges between nodes, reducing implementation complexity while maintaining resource allocation efficiency.
3Reliability
If nodes communicate simultaneously with multiple parent nodes and mobile termination components, then communication reliability is improved, but resource conflicts increase
Solution Approach 1:
The patent applies feedback by implementing a capability indication mechanism where nodes report their simultaneous communication capabilities to parent nodes, which then use this feedback information to make informed resource allocation decisions. This feedback loop enables the network to configure resources that match actual node capabilities, improving communication reliability while avoiding resource conflicts through capability-aware scheduling.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a node in a wireless network may transmit an indication of a capability of the node for simultaneous communication with respect to at least one of: multiple parent nodes of the node, multiple mobile termination components of the node, multiple transmit receive points of the node, multiple cells of the node, or a combination thereof; and communicate with another node in the wireless network based at least in part on the capability. Numerous other aspects are provided.