Regional RF Exposure Control for UE Transmit Power
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Solution Overview
Problem
Wireless communication devices face challenges in complying with varying regional RF exposure limits and time windows, leading to undesirable transmit power and performance issues.
Innovation Solution
A user equipment (UE) dynamically configures RF exposure compliance by identifying its location and selecting appropriate settings based on regional RF exposure limits and time windows, allowing for flexible adjustment of transmit power to meet regulatory requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single default maximum power limit configuration is used across all regions, then device complexity is reduced and ease of operation is improved, but compliance with diverse regional RF exposure regulations cannot be achieved
Solution Approach 1:
The patent applies local quality by configuring different maximum power limits for different geographic regions or service areas. Each region can have its own RF exposure compliance parameters tailored to local regulations, while the system automatically selects the appropriate configuration based on the current service area, eliminating the need for manual reconfiguration.
Solution Approach 2:
The patent implements dynamics by making the maximum power limit configuration changeable based on the detected service area. The system dynamically adjusts power parameters according to the user's location and the applicable regional regulations, rather than using a static single configuration for all regions.
2Reliability
If maximum power limits are configured for each specific service area to ensure regulatory compliance, then adaptability to regional regulations is improved, but device complexity and difficulty of configuration increase
Solution Approach 1:
The patent applies preliminary action by pre-configuring maximum power limits for multiple service areas before deployment. The system includes a plurality of service area identifiers and corresponding maximum power limits that are already established and stored in the device, ready for automatic selection based on the current service area without requiring real-time configuration.
Solution Approach 2:
The patent implements universality by creating a power limit configuration system that serves multiple service areas with different regional regulations through a single unified configuration structure. The base station can handle multiple service area identifiers and automatically applies the appropriate power limits, making the system universally applicable across different regions.
3Ease of operation
If the system automatically selects power limits based on service area identifier, then ease of operation is improved and manual configuration errors are reduced, but the system requires more complex configuration structures
Solution Approach 1:
The patent applies self-service by enabling the base station to automatically select and apply the appropriate maximum power limit based on the detected service area identifier. The system serves itself by autonomously determining which regional configuration to use without requiring manual intervention from operators, thereby simplifying operation despite the underlying configuration complexity.
Data Source
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AI summary
Techniques and apparatus for configurable radio frequency (RF) exposure compliance based on region. An example method of wireless communication by a user equipment (UE) generally includes identifying a region in which the UE is located, selecting at least one of a mode or one or more parameters for RF exposure compliance based on the identified region, and transmitting a signal at a transmission power level based at least in part on the at least one of the selected mode or the selected one or more parameters.