UE-Assisted Cell Selection for Redundant Search Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In wireless communication systems, nearby user equipment (UEs) performing redundant cell search operations lead to excessive resource consumption and increased signaling overhead, particularly when multiple UEs in close proximity perform similar cell selection tasks.
Innovation Solution
A first UE shares cell measurement-related information with nearby UEs, simplifying their cell search operations by leveraging the first UE's search results, reducing redundant processing and signaling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple nearby UEs perform independent cell search operations, then each UE can independently select a cell, but resource consumption and signaling overhead increase excessively
Solution Approach 1:
The patent combines cell search operations of multiple nearby UEs by having the first UE perform the search and share results with second UEs. This merging approach maintains reliable cell selection for all UEs while eliminating redundant power consumption from duplicate search operations.
Solution Approach 2:
The first UE performs the cell search operation in advance and shares the results with nearby second UEs before they would independently perform their own searches. This preliminary action allows second UEs to skip redundant search steps while still achieving accurate cell selection.
2Reliability
If multiple nearby UEs perform independent cell search operations, then each UE can independently select a cell, but signaling overhead increases excessively
Solution Approach 1:
The patent merges cell search operations by having the first UE perform the search once and share results with multiple second UEs. This single search operation replaces multiple independent searches, significantly reducing signaling overhead while maintaining cell selection reliability for all participating UEs.
Solution Approach 2:
The first UE creates copies of its cell measurement results and transmits them to nearby second UEs. These copied results allow second UEs to perform cell selection without conducting their own searches, thereby reducing the overall signaling overhead in the system.
3Loss of energy
If the first UE shares cell measurement information with nearby UEs, then power consumption and signaling overhead are reduced, but the system requires additional information sharing mechanisms
Solution Approach 1:
The first UE utilizes its existing communication capabilities to share cell measurement results with nearby second UEs. This multi-functional use of the UE's communication system achieves information sharing without requiring entirely new dedicated infrastructure, thereby limiting the increase in system complexity.
Solution Approach 2:
The system enables UEs to serve each other by having the first UE voluntarily share its cell search results with nearby second UEs. This self-service approach allows the network to benefit from reduced overall power consumption and signaling overhead without requiring complex centralized coordination or additional network infrastructure.
Data Source
AI summary
Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may perform a first cell search operation to initiate selection of a first cell associated with a network entity. The first UE may obtain cell selection information that facilitates performance, by one or more second UEs, of a second cell search operation based on performing the first cell search operation. The first UE and the one or more second UEs may be located within a threshold distance of each other. The second cell search operation may initiate selection of the first cell and may be simplified with respect to the first cell search operation. The first UE may transmit the cell selection information to the one or more second UEs of the set of UEs. The first UE and the one or more second UEs may establish respective connections with the network entity.