Wireless RF Unit Voltage Control Across Frequency Bands
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Solution Overview
Problem
Existing wireless communication devices face challenges in efficiently adjusting the power supply to radio frequency units to meet varying throughput and latency requirements while adhering to regulatory output power limits and energy-saving standards across different frequency bands and geographical regions.
Innovation Solution
A wireless communication electronic device with a processor that controls a power supply unit to drive the radio frequency unit with different driving voltages based on operating frequency bands or signal power, utilizing a corresponding relationship to optimize power consumption and communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the output power of the RF unit is increased to improve Wi-Fi coverage and throughput, then the communication performance is improved, but the device violates regulatory EIRP limits and energy-saving requirements
Solution Approach 1:
The patent implements dynamic adjustment of the RF unit's driving voltage based on the operating frequency band. The processor automatically selects different driving voltages for different frequency bands (e.g., 2.4GHz vs 5GHz vs 6GHz), allowing the system to optimize communication performance within regulatory limits for each band rather than using a fixed high power setting that would violate EIRP requirements.
Solution Approach 2:
The patent changes the electrical parameter (driving voltage) of the RF unit according to the operating frequency band. By mapping different frequency bands to different driving voltage levels, the system adapts the RF output power to match regulatory EIRP requirements for each band while maintaining optimal communication performance within those limits.
2Area of stationary object
If the output power of the RF unit is increased to improve Wi-Fi coverage, then the communication range is extended, but the device consumes excessive energy and fails to meet energy-saving requirements
Solution Approach 1:
The system dynamically adjusts the RF unit's driving voltage based on the detected operating frequency band. This allows the device to use higher driving voltages for frequency bands that support longer transmission distances (like 2.4GHz) while using lower driving voltages for bands with shorter ranges (like 6GHz), thereby extending coverage where needed without unnecessarily consuming energy across all operating conditions.
Solution Approach 2:
The patent implements parameter change by mapping different frequency bands to different driving voltage levels. This optimization ensures that the RF unit receives the appropriate power level for each frequency band, maximizing coverage area for bands that support it while minimizing energy consumption for bands where high power is not necessary or regulatory.
3Device complexity
If a fixed driving voltage is used for the RF unit across all frequency bands, then the device complexity is reduced, but the communication efficiency and power consumption optimization are compromised
Solution Approach 1:
The patent implements parameter change by establishing a mapping relationship between frequency bands and driving voltages. The processor detects the operating frequency band and automatically selects the corresponding driving voltage, providing optimized power control for each band without requiring complex manual intervention or overly sophisticated control algorithms.
Data Source
AI summary
A wireless communication electronic device includes an antenna, a radio frequency unit, a power supply unit and a processor. The processor is configured to: when the wireless communication electronic device operates in a first operating frequency band, control the power supply unit to drive the radio frequency unit with a first driving voltage; and when the wireless communication electronic device operates in a second operating frequency band, control the power supply unit to drive the radio frequency unit with a second driving voltage. The second driving voltage is different from the first driving voltage. As a result, the wireless communication electronic device can drive the radio frequency unit with a suitable driving voltage in different working frequency bands, so that the expected communication quality can be obtained in each working frequency band and unnecessary power consumption can be avoided.