Per-Beam Uplink Power Control for Signal Quality and Interference
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Solution Overview
Problem
Existing wireless communication systems face challenges in effectively controlling uplink power to ensure signal strength and minimize interference, particularly in environments with diverse transmission requirements and beamforming configurations.
Innovation Solution
A user equipment (UE) is configured to perform uplink power control based on per-beam or per-cell parameters, using equations that consider path loss, bandwidth, and compensation factors to optimize signal transmission strength and minimize interference with other devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If uplink power is increased to ensure signal strength at the base station, then signal reception quality improves, but interference with other devices increases
Solution Approach 1:
The patent applies local quality by configuring different uplink power control parameters for different beams and cells. Each beam-specific or cell-specific configuration allows tailored power control settings (such as different path loss compensation factors, target received powers, or maximum power limits) to match local channel conditions, thereby optimizing signal strength where needed while limiting interference in other directions or cells.
2Adaptability or versatility
If beamforming configurations are diversified to meet diverse transmission requirements, then communication adaptability improves, but system complexity increases
Solution Approach 1:
The patent segments the uplink power control configuration into beam-specific and cell-specific components. This segmentation allows the system to manage complexity by dividing the control mechanism into modular parts that can be independently configured and managed, while still providing diversified beamforming capabilities for different transmission requirements.
Solution Approach 2:
The patent implements dynamic power control parameters that can be adjusted based on beam conditions, cell conditions, and transmission requirements. The system can dynamically select different power control configurations for different beams and cells, enabling adaptability without requiring complete redesign of the power control mechanism for each scenario.
Data Source
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AI summary
Certain aspects of the present disclosure relate to methods and apparatus for uplink power control. Certain aspects provide a method for performing uplink power control at a base station (BS). The method includes determining a first configuration of one or more parameters for uplink power control at a user equipment (UE) based on a first spatial beam selected, from a plurality of spatial beams, for uplink communication of the UE. The method further includes transmitting a first indication of the first configuration to the UE.