Dynamic Full-Duplex Capability Signaling in Wireless Nodes
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Solution Overview
Problem
Current wireless communication systems face inefficiencies and delays when a network node's full-duplex capability changes during an RRC connection, as they often require disconnecting and reconnecting, which increases latency and reduces resource utilization.
Innovation Solution
Implementing a multi-part dynamic capability signaling method where a network node can dynamically update its full-duplex capability by transmitting a first message before connecting and a second message after connection, indicating changes or reaffirming capabilities without disconnecting, allowing for dynamic adaptation of communication modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a network node disconnects and reconnects to update full-duplex capability, then the capability can be updated, but latency increases and resource utilization decreases
Solution Approach 1:
The patent implements dynamic capability signaling where the network node can update its full-duplex capability status during the RRC connected state through subsequent messages, rather than requiring static capability indication at connection establishment. This allows the capability to change dynamically without disconnecting, resolving the contradiction between adaptability and time loss.
Solution Approach 2:
The patent maintains continuous RRC connection while updating capability information through subsequent messages. The useful action of capability signaling continues without interruption of the connection, eliminating the need for disconnect-reconnect cycles and thereby reducing latency while maintaining adaptability.
2Adaptability or versatility
If a network node disconnects and reconnects to update full-duplex capability, then the capability can be updated, but resource utilization decreases
Solution Approach 1:
The patent enables dynamic capability updates during the connected state through subsequent messages, allowing the network node to adapt its full-duplex capability without terminating the connection. This maintains resource utilization while achieving capability adaptability.
Solution Approach 2:
The RRC connection remains continuously established while capability information is updated through subsequent messages. This continuous connection state prevents resource release and re-allocation overhead, improving resource utilization while maintaining capability adaptability.
3Device complexity
If a network node uses static capability indication at connection establishment, then the signaling is simple, but the capability cannot be updated during connection
Solution Approach 1:
The patent segments the capability signaling into two parts: initial capability indication at connection establishment and subsequent capability updates during connection. This segmentation allows simple initial signaling while enabling flexible updates through separate subsequent messages, resolving the contradiction between signaling simplicity and capability adaptability.
Solution Approach 2:
The patent transitions from static capability indication to dynamic capability signaling by introducing subsequent messages that can update the capability status during the RRC connected state, maintaining relative signaling simplicity while achieving adaptability.
Data Source
AI summary
Methods, systems, and devices for wireless communications are described. In some wireless communication systems, a first network node may transmit, prior to being radio resource control (RRC)-connected with a second network node, a first message indicating a first capability of the first network node to support full-duplex communications. After transmitting the first message and while RRC-connected with the second network node (and before, during, or after exchanging data with the second network node), the first network node may transmit one or more second messages indicating a second capability of the first network node to support full-duplex communications. The second capability may update or change the first capability indicated via the first message. The first network node and the second network node may communicate in accordance with the second capability indicated in one of the second messages.