Beamforming Mode Adaptation via Channel State Thresholds

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Solution Overview

Problem

Conventional beamforming systems fail to adapt modes based on UE uplink and downlink information, leading to energy wastage, increased interference, and inefficient power allocation, resulting in shorter battery life and higher transmission ranges.

Innovation Solution

A system that adapts beamforming modes by receiving channel state information from devices, determining if uplink and downlink signal measurements exceed thresholds, and scheduling wireless transmissions using closed-loop or open-loop beamforming accordingly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If conventional beamforming systems are used without adaptation, then device complexity is reduced, but energy transfer efficiency deteriorates and energy wastage increases

Engineering Contradiction:
Improveenergy transfer efficiencyVSAvoidbeamforming mode adaptation complexity
Core Design Contradiction:
Use of energy by moving objectVSDevice complexity

Solution Approach 1:

The system dynamically adapts beamforming modes (open-loop or closed-loop) based on real-time channel state information and signal measurements. The beamforming configuration changes from static to dynamic, allowing optimization of energy transfer efficiency by selecting the appropriate mode according to current network conditions, user equipment capabilities, and channel characteristics.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes beamforming parameters including mode selection, beam direction, and transmission power based on measured channel state information. By adjusting these parameters adaptively, the system optimizes energy efficiency while managing the added complexity through automated parameter optimization algorithms.

Inventive Principle:
Principle #35Parameter changes

2Use of energy by stationary object

If beamforming mode is not adapted based on channel state information, then device complexity is reduced, but power consumption increases

Engineering Contradiction:
Improvepower consumptionVSAvoidbeamforming control complexity
Core Design Contradiction:
Use of energy by stationary objectVSDevice complexity

Solution Approach 1:

The system implements feedback mechanisms where channel state information is continuously measured and fed back to the base station. Based on this feedback, the beamforming mode is adapted to minimize power consumption. The feedback loop enables automatic adjustment of transmission parameters to achieve optimal power efficiency without requiring manual intervention.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs self-optimization by automatically selecting the most efficient beamforming mode based on internal measurements of channel conditions and signal quality. The base station autonomously determines whether to use open-loop or closed-loop beamforming without external control, reducing the need for complex external management while minimizing power consumption.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If fixed beamforming mode is used, then system operation is simplified, but transmission range increases and interference increases

Engineering Contradiction:
Improvebeamforming operation simplicityVSAvoidinterference
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The beamforming operation transitions from fixed to dynamic, allowing the system to adapt to changing network conditions. The operation remains simple through automated decision-making algorithms that select optimal beamforming modes based on pre-configured criteria and real-time measurements, eliminating the need for manual configuration while reducing interference.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system applies different beamforming qualities to different spatial locations and channel conditions. By analyzing local channel characteristics and signal measurements, the system selects appropriate beamforming modes for specific user equipment and coverage areas, optimizing performance locally while reducing overall system interference.

Inventive Principle:
Principle #3Local quality

4Productivity

If beamforming adaptation is implemented, then energy efficiency is improved, but measurement and detection complexity increases

Engineering Contradiction:
Improveenergy transfer efficiencyVSAvoidchannel state information measurement complexity
Core Design Contradiction:
ProductivityVSDifficulty of detecting and measuring

Solution Approach 1:

The system performs preliminary measurements of channel state information during initial network setup and periodically thereafter. By pre-characterizing the channel conditions and storing this information, the system reduces the complexity of real-time detection and enables faster beamforming mode selection based on pre-computed parameters and thresholds.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system introduces intermediate processing layers that simplify the measurement and detection process. Channel state information is processed through intermediate algorithms that transform complex raw measurements into simplified decision parameters, making the detection process more manageable while maintaining high energy efficiency through accurate channel characterization.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12184367B1Systems and methods for cell-level beamforming mode adaptation
Publication Date: 2024.12.31 T MOBILE INNOVATIONS LLC
  • US12184367B1 patent drawing
  • US12184367B1 patent drawing
  • US12184367B1 patent drawing

AI summary

Methods, media, and systems are provided for adapting a beamforming mode based on channel state information. The methods, media, and systems receive, at a base station associated with an antenna array, the channel state information from one or more devices. Based on the channel state information, the methods, media, and systems determine whether an uplink signal measurement is above a first threshold and whether a downlink signal measurement is above a second threshold. Based on whether the uplink signal measurement is above the first threshold and whether the downlink signal measurement is above the second threshold, the methods, media, and systems instruct one or more antenna elements corresponding to the antenna array to schedule wireless transmissions utilizing closed-loop beamforming or open-loop beamforming.