Base Station Power Amplifier Scheduling for High-Efficiency Operation

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Solution Overview

Problem

Power amplifiers in communication base stations have low efficiency due to imbalanced radio service traffic, leading to inefficient energy usage and poor management of power amplifier features, especially in regions with low load, resulting in suboptimal utilization and high energy consumption.

Innovation Solution

Implementing a method for joint management of power amplifier features and radio resources by categorizing services into real-time and non-real-time services, using power amplifier feature information to schedule transmit power and allocate output power effectively, ensuring the power amplifier operates in regions of higher efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If conventional radio resource management is used without considering power amplifier features, then service traffic can be handled, but power amplifier utilization is low and energy consumption is high

Engineering Contradiction:
Improveenergy consumptionVSAvoidpower amplifier utilization
Core Design Contradiction:
Loss of energyVSProductivity

Solution Approach 1:

The patent changes the operating parameters of the power amplifier dynamically by adjusting its working state according to traffic conditions and power amplifier feature information, enabling it to operate in high-efficiency regions and reduce energy consumption while improving utilization

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent implements a feedback mechanism where power amplifier feature information is obtained and used to adjust radio resource scheduling decisions, creating a closed-loop system that continuously optimizes power amplifier operation based on its actual state

Inventive Principle:
Principle #23Feedback

2Power

If power amplifier operates in low load region, then service traffic is handled, but conversion efficiency is low

Engineering Contradiction:
Improvepower amplifier conversion efficiencyVSAvoidservice traffic handling
Core Design Contradiction:
PowerVSProductivity

Solution Approach 1:

The patent makes the power amplifier operation dynamic by adjusting its working state in real-time based on traffic conditions and feature information, allowing it to transition between different efficiency regions and maintain high conversion efficiency while handling service traffic

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes operational parameters including power amplifier working state and radio resource allocation to shift operation from low-efficiency regions to high-efficiency regions, improving conversion efficiency without sacrificing service traffic handling capability

Inventive Principle:
Principle #35Parameter changes

3Productivity

If power amplifier feature is not recognized and managed, then system operation is simple, but utilization rate is low

Engineering Contradiction:
Improvepower amplifier utilization rateVSAvoidmanagement complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent introduces feedback mechanisms to recognize and manage power amplifier features, using obtained feature information to guide scheduling decisions, thereby improving utilization rate while managing complexity through systematic approaches

Inventive Principle:
Principle #23Feedback

4Loss of energy

If non-real-time services are scheduled without considering power amplifier efficiency, then scheduling is simple, but energy efficiency is poor

Engineering Contradiction:
Improveenergy efficiencyVSAvoidscheduling complexity
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The patent changes scheduling parameters for non-real-time services based on power amplifier feature information and efficiency regions, optimizing energy efficiency by adjusting when and how these services are scheduled without significantly increasing complexity

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent applies different scheduling strategies to different service types, treating non-real-time services differently from real-time services by scheduling them in high-efficiency regions when possible, improving energy efficiency with targeted rather than universal complexity

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP2501202B1Communication base station and processing method for power amplification thereof
Publication Date: 2015.04.29 HUAWEI TECH CO LTD
  • EP2501202B1 patent drawingFigure 1
  • EP2501202B1 patent drawingFigure 2
  • EP2501202B1 patent drawingFigure 3~4

AI summary

Embodiments of the present invention provide a method and apparatus for implementing power amplification processing. The method includes: obtaining power amplifier feature information and service requirement information of a power amplifier, where the service requirement information includes requirement information of a real-time service and requirement information of a non-real-time service; determining a regulation parameter and a scheduling parameter of the power amplifier according to the service requirement information and the power amplifier feature information; and performing, by the power amplifier, transmit power regulation according to the regulation parameter to obtain amplified transmit power, where the amplified transmit power satisfies a requirement of traffic of the real-time service; and scheduling, by the power amplifier, a service in the non-real-time service according to the scheduling parameter and allocating output power requirements of the non-real-time service to different time periods. In the embodiments of the present invention, most of services are in a region where the power amplifier works with higher efficiency, thereby improving a utilization rate of the power amplifier.