UE Coordination Set Regrouping for Cell Edge Signal Quality
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Solution Overview
Problem
Existing wireless communication systems face challenges in maintaining quality of service for user equipment (UE) at the cell edge, particularly due to user-equipment mobility and dynamically changing radio environments, which existing solutions fail to adequately address.
Innovation Solution
The formation of a UE-coordination set (UECS) where multiple UEs work together, with a coordinating UE aggregating and processing raw I/Q samples to enhance transmission power and signal quality for a target UE, and dynamic regrouping within existing UECSs to adapt to changing conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple UEs are coordinated to work together as a distributed antenna system, then the effective transmission power and signal quality are improved, but the device complexity and coordination overhead increase
Solution Approach 1:
Multiple UEs are merged into a coordinated set where they function together as a distributed antenna system. The UEs share radio resources and coordinate transmissions to improve signal quality for cell-edge users, effectively combining their transmitting and receiving capabilities into a unified system that provides enhanced reliability and coverage.
Solution Approach 2:
A base station acts as an intermediary to manage and coordinate the UE sets. The base station assigns UEs to coordination sets, manages resource allocation, and handles the complexity of inter-UE coordination, thereby reducing the burden on individual UEs and simplifying the overall system architecture while maintaining improved signal quality.
2Productivity
If UE-coordination sets are formed to improve cell-edge performance, then data throughput is enhanced, but the system adaptability to mobility and changing radio environments deteriorates
Solution Approach 1:
The UE coordination sets are designed to be dynamic rather than static. UEs can be added to or removed from coordination sets based on mobility events and changing radio conditions. The base station continuously monitors channel quality and reconfigures coordination sets accordingly, allowing the system to adapt to user movement and environmental changes while maintaining high data throughput for cell-edge users.
Data Source
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AI summary
This document describes methods, devices, systems, and means for performing a regrouping of a user equipment (UE) (113) between user equipment-coordination sets (UECS) by a base station (121) in which the base station (121) determines to regroup a user equipment (113) from a source UECS to a target UECS and transmits a release message to a coordinating UE (111) of the source UECS requesting the coordinating UE (111) of the source UECS to release the user equipment (113) from the source UECS (605). The base station (121) transmits a request message to a coordinating UE (114) of the target UECS requesting the coordinating UE (114) of the target UECS to add the user equipment (113) to the target UECS (610), and transmits a regrouping message to the user equipment (113) that is effective to direct the user equipment (113) is to perform a regrouping from the source UECS to the target UECS (615).