Multiple Power Control and Timing Advance Loops for Wireless Efficiency

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Solution Overview

Problem

Current wireless communication systems, particularly in LTE technology, face challenges in optimizing power control and timing advance loops to enhance mobile broadband access and spectral efficiency, especially as demand increases.

Innovation Solution

The method involves determining and managing multiple power control and timing advance loops based on received signals from base stations, using advanced signal processing and network architecture configurations to improve communication efficiency and synchronization.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If multiple power control and timing advance loops are implemented, then communication efficiency and spectral usage are improved, but device complexity and system configuration complexity increase

Engineering Contradiction:

Improvecommunication efficiencyVSAvoidsystem configuration complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent segments the power control and timing advance functions into multiple independent loops, each handling specific communication scenarios or cell types. This allows the system to optimize performance for different conditions without requiring complete reconfiguration, thereby improving communication efficiency while managing complexity through modular organization

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system dynamically selects and activates appropriate power control and timing advance loops based on current communication conditions, such as carrier aggregation configurations, dual-connectivity states, or interference levels. This dynamic adaptation enables the system to achieve high communication efficiency only when needed, rather than maintaining complex multi-loop configurations continuously

Inventive Principle:

Principle #15Dynamics

2Quantity of substance

If multiple power control and timing advance loops are implemented, then spectral usage is improved, but device complexity increases

Engineering Contradiction:

Improvespectral usageVSAvoiddevice complexity

Core Design Contradiction:

Quantity of substanceVSDevice complexity

Solution Approach 1:

Different power control and timing advance loops are configured with specialized parameters optimized for specific spectral conditions, such as different carrier frequencies, bandwidth allocations, or interference patterns. This local optimization allows each loop to maximize spectral usage in its specific context without requiring the entire device to handle all possible configurations simultaneously

Inventive Principle:

Principle #3Local quality

3Productivity

If advanced signal processing configurations are used, then communication efficiency is improved, but ease of operation deteriorates

Engineering Contradiction:

Improvecommunication efficiencyVSAvoidease of operation

Core Design Contradiction:

ProductivityVSEase of operation

Solution Approach 1:

The system automatically performs signal processing configuration, loop selection, and parameter optimization without requiring manual intervention. The advanced signal processing algorithms self-adjust based on detected communication conditions, thereby improving communication efficiency while eliminating the operational complexity that would otherwise burden the user

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS11005613B2Multiple power control and timing advance loops during wireless communication

Publication Date: 2021.05.11 QUALCOMM INC

AI summary

A method of wireless communication includes receiving a signal from an base station. The method also includes determining a timing advance loop from a set of timing advance loops, and/or a power control loop from a set of power control loops. The determination is based on the received signal.