Transmitter Power Switching for Real-Time RF Energy Control
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Solution Overview
Problem
The increasing demand for data communication in wireless devices leads to higher power consumption due to stringent RF transmitter performance demands, particularly in 5G protocols, which often results in inefficient power usage and reduced battery life.
Innovation Solution
A wireless communication system that dynamically adjusts power consumption based on real-time signal quality and channel conditions, using modulation order and targeted bandwidths to optimize power levels, and employs low-power transmitter circuits for less stringent transmission bands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high-power transmitter circuits are used to meet stringent RF transmitter performance demands, then signal quality and reliability are improved, but power consumption increases
Solution Approach 1:
The transmitter dynamically switches between high-power and low-power circuit configurations based on real-time communication conditions. The system adjusts power levels, modulation orders, and bandwidth allocations adaptively, transitioning from static high-power operation to dynamic power management that matches actual transmission needs.
Solution Approach 2:
The system changes multiple operating parameters simultaneously including power levels, modulation orders (e.g., QAM16, QAM64, QAM256), and bandwidth allocations. By adjusting these parameters based on channel conditions and service types, the system achieves reliable communication at optimized power levels rather than always using maximum power.
2Productivity
If processing speed and data communication amount are increased, then communication performance is improved, but power consumption associated with internal data processing increases
Solution Approach 1:
The system applies partial action by using only the necessary processing capacity required for each transmission task. Instead of always operating at maximum processing speed, the transmitter adjusts processing intensity to match actual data rates and channel conditions, avoiding excessive processing power consumption while maintaining required communication performance.
Solution Approach 2:
The processing capacity is dynamically adjusted based on real-time conditions. The system increases processing speed only when higher data rates are required and reduces processing intensity when channel conditions or service requirements allow for lower rates, creating a dynamic match between processing power and actual communication needs.
3Reliability
If high-power circuits are used for all transmission bands, then signal quality is maintained across all bands, but power consumption increases unnecessarily in bands with relaxed requirements
Solution Approach 1:
The system applies different power levels and circuit configurations to different frequency bands based on their specific requirements. Bands with stringent emission requirements receive high-power treatment, while bands with relaxed requirements use low-power circuits. This local differentiation eliminates unnecessary power consumption in bands that don't require high performance.
Solution Approach 2:
Different modulation orders and power levels are applied to different frequency bands and service types. For example, URLC services may use more robust modulations with lower power, while eMBB services use higher-order modulations with higher power. This localized optimization ensures each band receives exactly the quality it needs, no more and no less.
Data Source
AI summary
Circuits and methods for operating a transmitter in a communication system is disclosed. The transmitter analyzes a power level along with one or more real-time transmission conditions associated with transmission of a signal. Based on the power level and the one or more real-time transmission, the communication system selects between a low-power circuit and a high-power circuit for processing the signal for transmission.