UE Non-Uplink State Indication for NTZ Connectivity
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Solution Overview
Problem
In wireless communication networks, user equipment (UE) entering a no-transmit zone (NTZ) faces challenges in maintaining connections without uplink transmissions, leading to potential radio link failures and degraded network performance due to the lack of a common understanding between UE and network nodes regarding the UE's transmission state.
Innovation Solution
The UE transmits an indication of its non-uplink transmission state to the network node, allowing dynamic configuration of uplink channels or signals on alternative cells or carriers without NTZ restrictions, thereby maintaining connectivity and avoiding radio link failures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the UE enters a no-transmit zone (NTZ) to comply with regulatory restrictions, then harmful emissions are reduced, but the UE cannot transmit uplink signals which may cause radio link failures and degraded network performance
Solution Approach 1:
The patent introduces an intermediary mechanism where the UE sends a non-uplink transmission state indication to the network node, which then dynamically configures alternative uplink channels or signals on different cells or carriers that are not restricted by the NTZ. This intermediary communication allows the UE to maintain reliable uplink transmissions while complying with NTZ restrictions on harmful emissions.
2Reliability
If the UE continuously monitors and reports its transmission state to maintain connectivity, then radio link reliability is improved, but network resources are consumed and power is wasted
Solution Approach 1:
The patent applies preliminary action by having the UE transmit a non-uplink transmission state indication before actually entering the NTZ or when transitioning to NTZ mode. This allows the network node to proactively configure alternative uplink channels or signals in advance, avoiding the need for continuous monitoring and repeated signaling exchanges, thereby reducing power consumption while maintaining connection reliability.
3Reliability
If the network node dynamically configures alternative uplink channels when UE enters NTZ, then connectivity is maintained, but system complexity increases
Solution Approach 1:
The patent implements dynamics by enabling the network node to dynamically configure alternative uplink channels or signals based on real-time UE location and NTZ status. The system can switch between different cells or carriers depending on the UE's position, providing flexible adaptability while managing complexity through standardized dynamic configuration procedures.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication associated with a non-uplink transmission state for the UE. The UE may receive scheduling for one or more communications based at least in part on the indication. Numerous other aspects are described.