5G Repeater Signal Control for Coverage and Interference

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Solution Overview

Problem

5G mobile communication systems face challenges in enhancing cell coverage due to severe signal fading at higher carrier frequencies, particularly in the millimeter waveband, and traditional RF repeaters introduce noise and interference, failing to adaptively adjust amplification gains and antenna directions.

Innovation Solution

A signal transmitting apparatus for repeaters that includes receiving and transmitting units to control power and amplification gains based on reference signals, bandwidth, and subcarrier spacing, allowing dynamic adjustment of transmit power and amplification to enhance signal coverage and reduce interference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If a traditional RF repeater is used to amplify and forward signals, then signal coverage is enhanced, but noise and interference are introduced

Engineering Contradiction:
Improvesignal coverageVSAvoidnoise and interference
Core Design Contradiction:
Area of stationary objectVSObject-generated harmful factors

Solution Approach 1:

The repeater dynamically adjusts its amplification gain based on real-time signal conditions, transitioning from static manual configuration to adaptive control. This allows the system to optimize coverage while minimizing interference by adjusting power levels according to actual network conditions

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The repeater incorporates feedback mechanisms to monitor signal quality and interference levels, using this information to automatically adjust amplification gain. The feedback loop enables the repeater to learn from network conditions and optimize its operation without manual intervention

Inventive Principle:
Principle #23Feedback

2Device complexity

If a traditional RF repeater operates with fixed amplification gain, then device complexity is reduced, but adaptability to dynamic network conditions deteriorates

Engineering Contradiction:
Improveconfiguration simplicityVSAvoidadaptive adjustment capability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The repeater performs self-configuration and self-adjustment of amplification gain based on detected signal conditions. This eliminates the need for complex manual setup while enabling adaptive operation, as the device autonomously optimizes its parameters without external intervention

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system automatically changes the amplification gain parameter based on real-time network conditions. This dynamic parameter adjustment allows the repeater to adapt to varying signal environments while maintaining relatively simple device architecture through automated control

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If a traditional RF repeater uses fixed antenna direction, then ease of installation is improved, but ability to match dynamic beam directions deteriorates

Engineering Contradiction:
Improveinstallation simplicityVSAvoidbeam direction matching
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The repeater transitions from static antenna configuration to dynamic beamforming capability, automatically adjusting antenna directions to match the dynamic beam directions of base stations and terminal equipment. This enables the system to adapt to changing spatial requirements while maintaining ease of initial installation

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution enhances signal coverage and reduces interference in 5G networks by dynamically controlling power and amplification, thereby improving transmission efficiency.

Implementation Method 1

use of a radio frequency (RF) repeater to amplify and forward signals between devices

Methodology Applied
Scientific EffectSignal amplification:

Implementation Method 2

a 5G system may be deployed in a millimeter waveband

Methodology Applied
Scientific EffectElectromagnetic transmission:

Data Source

PatentUS20240356626A1Signal transmitting method and apparatus
Publication Date: 2024.10.24 1FINITY INC
  • US20240356626A1 patent drawing
  • US20240356626A1 patent drawing
  • US20240356626A1 patent drawing

AI summary

An information transmitting apparatus, applicable to a repeater, includes: a receiver configured to receive a first forwarding signal and/or a second forwarding signal; and a transmitter configured to transmit the first forwarding signal at first transmit power and/or a first amplification gain, and/or transmit the second forwarding signal at second transmit power and/or a second amplification gain.