Random Access Occasion Skipping for Wireless Resource Efficiency
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing random access occasions (ROs), leading to unnecessary power consumption and resource allocation inefficiencies in network nodes.
Innovation Solution
A method and apparatus for wireless communication that allow a user equipment (UE) to indicate when it will skip or switch from one set of ROs to another, enabling network nodes to conserve resources and re-allocate time and frequency resources more effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If network nodes continuously monitor all configured random access occasions, then access reliability is maintained, but power consumption and processing resource usage increase
Solution Approach 1:
The network node dynamically adjusts its monitoring behavior based on UE indications. When a UE indicates it will use a different RO set, the network node dynamically stops monitoring the original RO set, transforming from continuous monitoring to conditional monitoring based on real-time feedback
Solution Approach 2:
The UE provides feedback to the network node about its intended RO usage through uplink communications. This feedback mechanism allows the network node to adapt its monitoring strategy, stopping monitoring for UEs that have indicated they will use alternative RO sets, thereby reducing power consumption while maintaining reliability
2Quantity of substance
If network nodes allocate resources for all configured random access occasions, then resource availability is ensured, but resource allocation efficiency decreases
Solution Approach 1:
The network node extracts or removes resource allocation for specific RO sets when UEs indicate they will not use those occasions. Instead of maintaining allocations for all configured ROs, the system selectively removes unnecessary allocations, improving resource allocation efficiency while ensuring resources remain available for UEs that do need them
Solution Approach 2:
Resource allocation becomes dynamic rather than static. The network node adjusts resource allocations in real-time based on UE feedback about intended RO usage, allocating resources only to RO sets that will actually be utilized, thereby improving overall resource allocation efficiency
3Ease of operation
If UEs use fixed random access occasion sets, then access procedure simplicity is maintained, but latency increases due to inability to adapt to changing conditions
Solution Approach 1:
The RO selection process becomes dynamic, allowing UEs to switch between different RO sets based on changing channel conditions, beam failure predictions, or signal strength measurements. This dynamic adaptation reduces latency by enabling UEs to select optimal ROs in real-time while maintaining procedural simplicity through standardized indication mechanisms
Solution Approach 2:
The system performs preliminary actions by configuring multiple RO sets in advance and establishing clear indication mechanisms. UEs can quickly switch between pre-configured sets based on current conditions, avoiding the need for complex real-time RO creation while still achieving adaptive latency reduction
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a first indication of a first set of random access occasions (ROs) configured for the UE. The UE may transmit a second indication that the UE will refrain from using at least a portion of the first set of ROs. Numerous other aspects are described.