Downlink DMRS Scheduling for Multiplexing vs Power Boosting

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Solution Overview

Problem

Existing multiplexing techniques in telecommunications networks face inefficiencies due to resource tradeoffs between PDSCH multiplexing with DMRS and DMRS power boosting, leading to degraded throughput and impaired user experiences, particularly when signal quality is low.

Innovation Solution

A dynamic threshold-based approach is implemented to determine whether to use PDSCH multiplexing with DMRS or DMRS power boosting, based on specific user device and base station metrics, optimizing downlink throughput by selecting the appropriate communication method without power boosting when signal values are adequate and using power boosting when signal quality is degraded.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If PDSCH multiplexing with DMRS is used, then resource utilization is improved, but downlink throughput deteriorates when signal quality is low

Engineering Contradiction:
Improveresource utilizationVSAvoiddownlink throughput
Core Design Contradiction:
Quantity of substanceVSProductivity

Solution Approach 1:

The system dynamically switches between two communication modes (PDSCH multiplexing with DMRS and DMRS power boosting without PDSCH multiplexing) based on real-time signal quality conditions. When signal quality is adequate, PDSCH multiplexing is used to maximize resource utilization. When signal quality degrades below a threshold, the system transitions to power boosting mode to maintain throughput, thus adapting the communication strategy to current channel conditions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes key transmission parameters including DMRS power level, PDSCH multiplexing configuration, and resource element allocation based on signal quality metrics. By adjusting these parameters dynamically according to channel conditions, the system optimizes the trade-off between resource utilization and downlink throughput under varying signal quality scenarios.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If DMRS power boosting is used, then downlink throughput is improved for low signal quality, but resource utilization deteriorates

Engineering Contradiction:
Improvedownlink throughputVSAvoidresource utilization
Core Design Contradiction:
ProductivityVSQuantity of substance

Solution Approach 1:

The system employs dynamic mode switching between PDSCH multiplexing and power boosting based on signal quality thresholds. Power boosting is activated only when signal quality falls below the threshold, allowing the system to maintain throughput for low-signal users while avoiding unnecessary resource consumption when signal conditions are adequate.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system applies different transmission strategies to different user devices based on their individual signal quality conditions. Users with adequate signal quality receive service through efficient PDSCH multiplexing, while only users with degraded signal quality receive power boosting, thus optimizing resource allocation locally for each user's specific channel conditions.

Inventive Principle:
Principle #3Local quality

3Quantity of substance

If PDSCH multiplexing is used without power boosting, then resource utilization is optimized, but reliability deteriorates when signal quality is degraded

Engineering Contradiction:
Improveresource utilizationVSAvoidcommunication reliability
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The system dynamically adjusts transmission mode based on real-time signal quality assessment. When signal quality is adequate, PDSCH multiplexing provides efficient resource utilization. When signal quality degrades below a threshold, the system switches to power boosting mode to maintain communication reliability, thus dynamically balancing resource efficiency and reliability based on current channel conditions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system uses feedback from signal quality metrics to determine the appropriate transmission mode. By continuously monitoring signal quality and comparing it against thresholds, the system receives feedback that triggers mode switching decisions, ensuring that reliability is maintained through power boosting when needed while preserving resource efficiency when conditions permit.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS12512925B2Systems and methods for dynamic scheduling of multiplexing in a wireless network
Publication Date: 2025.12.30 T MOBILE INNOVATIONS LLC
  • US12512925B2 patent drawing
  • US12512925B2 patent drawing
  • US12512925B2 patent drawing

AI summary

Aspects herein provide systems, methods, and media for dynamically scheduling multiplexing in a wireless network. In aspects, a base station determines whether to utilize multiplexing without power boosting or to utilize power boosting without multiplexing when scheduling and communicating a reference signal over a downlink channel for a user device. These autonomous determinations of the base station are based on an evaluation of signal metrics of a user device and/or base station characteristics relative to one or more customized thresholds.