Repeater Power Control for Initial Access Noise Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless communication systems face challenges in controlling gain values at repeaters for initial access messages, particularly in balancing signal-to-noise ratio and reducing noise boosting interference during uplink and downlink communications.
Innovation Solution
A dynamic gain control mechanism is implemented at repeaters, where uplink and downlink gain values are coordinated based on noise levels, allowing for equal or differential settings to optimize signal quality and reduce interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the repeater applies high gain values to amplify signals, then signal quality is improved, but noise boosting interference increases
Solution Approach 1:
The patent implements dynamic gain control where the repeater adjusts uplink and downlink gain values based on real-time noise level measurements. The gain values are not fixed but adapt continuously to changing channel conditions, allowing the system to optimize signal quality while minimizing noise amplification by reducing gain when noise levels are high.
Solution Approach 2:
The patent changes the gain parameter values dynamically based on noise conditions. By adjusting the gain values as variable parameters rather than using fixed values, the system can respond to changing environmental conditions and optimize the balance between signal amplification and noise suppression.
2Object-generated harmful factors
If the repeater uses differential gain values for uplink and downlink, then noise interference is reduced, but system complexity increases
Solution Approach 1:
The patent employs feedback mechanisms where the repeater measures noise levels in the channel and uses this information to adjust the gain values for uplink and downlink transmissions. This closed-loop control allows the system to automatically optimize performance without requiring complex manual configuration or intervention.
Solution Approach 2:
The repeater autonomously determines and adjusts its own gain values based on local noise measurements. The system performs self-configuration and self-optimization without requiring external control, reducing the operational complexity while achieving differential gain control tailored to actual channel conditions.
3Device complexity
If the repeater uses equal gain values for uplink and downlink, then device complexity is reduced, but signal-to-noise ratio performance deteriorates
Solution Approach 1:
The patent applies different gain values to different transmission directions (uplink vs. downlink) based on local noise conditions in each direction. Instead of using a uniform gain value, the system tailors the gain application to the specific characteristics of each communication direction, optimizing signal-to-noise ratio for each path independently.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
This disclosure generally relates to systems, devices, apparatuses, products, and methods for wireless communication. For example, a communication system may include a repeater that relays communications between communication devices. The repeater determines a downlink gain value to use for one or more downlink initial access messages received at the repeater. The repeater determines an uplink gain value to use for one or more downlink initial access messages received at the repeater. The uplink gain value is based on the downlink gain value and a noise level related to a channel between the communication device and the repeater. The repeater receives a downlink initial access message, and applies the downlink gain value to the downlink initial access message. The repeater receives an uplink initial access message, and applies the uplink gain value to the uplink initial access message.