Dynamic Path Switching via Assisting Node Time Offset
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Solution Overview
Problem
Current wireless communication systems face challenges in dynamically managing time offsets for communications between user equipment (UE) and network entities, especially when assisting nodes are involved, leading to potential reliability issues and inefficiencies in path switching.
Innovation Solution
The implementation of a method where user equipment (UE) and network entities exchange indications of required minimum time offset values, allowing for dynamic adjustment and communication via assisting nodes, ensuring reliable communication by selecting appropriate offset values for scheduling gap parameters like K0, K1, and K2, even when assisting nodes are not visible or controllable by the network entity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dynamic path switching via assisting nodes is implemented, then communication reliability is improved, but device complexity and signaling overhead increase
Solution Approach 1:
The patent introduces a path management entity (PME) as an intermediary component within the network entity that专门 manages path switching operations. This PME coordinates the switching between direct and indirect paths, handles assisting node selections, and manages time offset configurations, thereby improving communication reliability through systematic path management while containing complexity within a dedicated module rather than distributing it throughout the entire system
Solution Approach 2:
The patent implements preliminary configuration of multiple path options (direct path and indirect path via assisting nodes) and pre-configures time offset values before switching is needed. The network entity maintains ready-to-use path configurations and associated timing parameters, allowing rapid path switching without complex real-time calculations, thus improving reliability while managing complexity through advance preparation
2Productivity
If time offset values are dynamically adjusted for assisting node communications, then communication efficiency is improved, but signaling overhead increases
Solution Approach 1:
The patent dynamically adjusts time offset parameters (such as K0, K1, K2 offsets) based on the specific communication scenario and assisting node characteristics. By changing these timing parameters adaptively, the system optimizes communication efficiency for each path switching event, ensuring sufficient time for assisting node operations while minimizing unnecessary signaling by only transmitting changed parameter values
Solution Approach 2:
The patent transmits only the necessary time offset information required for path switching rather than complete path configuration details. By sending partial information (specifically the time offset adjustments needed) rather than excessive information (complete path reconfiguration), the system achieves communication efficiency improvements while limiting signaling overhead to only what is strictly necessary
3Reliability
If sufficient time offsets are ensured for assisting node communications, then communication reliability is improved, but scheduling flexibility is reduced
Solution Approach 1:
The patent implements dynamic time offset configuration where the offset values are adjusted based on real-time communication requirements and assisting node availability. Rather than using fixed time offsets that would reduce scheduling flexibility, the system dynamically adapts the timing parameters to match current conditions, thereby maintaining both communication reliability (through sufficient offsets when needed) and scheduling flexibility (through adaptive adjustment)
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a network entity, an indication of a required minimum value for a time offset associated with a communication with the network entity, wherein the required minimum value for the time offset is associated with communicating with the network entity via an assisting node. The UE may receive, from the network entity, an indication of an offset value for the time offset based at least in part on the required minimum value for the time offset. The UE may communicate with the network entity via the assisting node in accordance with the offset value. Numerous other aspects are described.