Radio Power Amplifier Switching Based on Transmit Data Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current communication systems face inefficiencies in power management, particularly in wireless communication devices, where power amplifiers often remain active even when no data is being transmitted, leading to unnecessary power consumption and battery drain.
Innovation Solution
A method and apparatus that autonomously detect when no data needs to be transmitted, allowing the power amplifier to switch to a low or zero-power state during signal breaks, and return to a higher power state only when data is ready to be sent, using an autonomous auto-detection circuit within the radio portion of the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the power amplifier remains active continuously, then the communication device can transmit data immediately when needed, but power consumption increases and battery life decreases
Solution Approach 1:
The power amplifier's operational state is made dynamic, switching between active and low-power states based on real-time data availability detection. The radio portion autonomously determines when to activate the power amplifier by detecting the presence of data in the transmitter buffer, ensuring the amplifier is active only when necessary for transmission.
Solution Approach 2:
The radio portion performs autonomous detection of data readiness without requiring intervention from the system portion. The system independently monitors its own transmission needs and controls the power amplifier state accordingly, eliminating the need for external control signals and enabling self-managed power optimization.
2Use of energy by moving object
If the power amplifier is switched off during signal breaks, then power consumption is reduced, but there is a delay in resuming transmission when data becomes available
Solution Approach 1:
The radio portion continuously monitors the transmitter buffer for data availability even when the power amplifier is in low-power state. This preliminary detection ensures that as soon as data becomes available, the system can immediately activate the power amplifier and resume transmission without waiting for external wake-up signals or experiencing detection delays.
Solution Approach 2:
The system implements a feedback mechanism where the radio portion continuously reports data availability status to control the power amplifier state. This closed-loop control ensures rapid response to data arrival by immediately detecting the change in transmission needs and adjusting the power amplifier state accordingly, minimizing any potential delay.
3Productivity
If autonomous detection is implemented in the radio portion, then power management efficiency improves, but device complexity increases
Solution Approach 1:
The radio portion is designed to perform multiple functions: it handles both the autonomous detection of data availability and the control of the power amplifier state. By combining these functions within the existing radio portion rather than adding a separate control system, the patent achieves autonomous power management without significantly increasing overall device complexity.
Data Source
AI summary
A method including determining whether a transmitter of an apparatus has information to transmit; and causing a power amplifier of said apparatus to enter a first power state in response to said determining; wherein said determining is carried out within a radio portion of said apparatus.