Terminal Power Control via Dynamic Service Allocation
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Solution Overview
Problem
Terminal devices face challenges in power allocation due to varying antenna attenuation in different usage scenarios, leading to increased uplink bit error rates and low upload rates, as they perform multiple services simultaneously.
Innovation Solution
A method and apparatus for power control that determines service types and configures target transmit power for each service type, dynamically allocating uplink power based on service priorities and resource requirements, using a power control protocol that adjusts transmit power to ensure optimal resource allocation across different services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the terminal device performs multiple services in parallel with fixed power allocation, then the device complexity is reduced, but the uplink transmission performance deteriorates due to varying antenna attenuation in different usage scenarios
Solution Approach 1:
The patent implements dynamic power allocation by adjusting transmit power for different services based on real-time antenna attenuation conditions. The power allocation is no longer fixed but dynamically adapted to current usage scenarios, allowing the system to maintain optimal uplink performance while handling multiple parallel services.
Solution Approach 2:
The patent applies different power allocation strategies to different services based on their specific requirements and the current antenna attenuation characteristics of each service's usage scenario. Each service receives customized power allocation rather than a uniform approach, optimizing local transmission quality for each service type.
2Productivity
If the terminal device uses uniform power allocation for all services, then the power control mechanism is simplified, but the upload rate decreases due to increased bit error rate in varying antenna conditions
Solution Approach 1:
The system dynamically adjusts power allocation based on real-time service requirements and antenna attenuation conditions. Different services receive different power levels according to their current transmission needs, which increases upload rate while maintaining manageable control complexity through automated adaptation.
Solution Approach 2:
The patent changes the power allocation parameter from a fixed uniform value to variable values specific to each service and usage scenario. By adjusting power parameters dynamically based on antenna attenuation and service type, the system achieves higher upload rates without excessive complexity increase.
3Reliability
If the terminal device allocates equal power to all services, then the power distribution is simplified, but the bit error rate increases due to mismatched power levels for different service priorities
Solution Approach 1:
The patent applies differentiated power allocation to different services based on their priority levels and antenna attenuation characteristics. High-priority services receive higher power allocation while lower-priority services receive less power, optimizing bit error rate performance for each service's specific conditions rather than using a one-size-fits-all approach.
Solution Approach 2:
The power distribution system dynamically adapts to changing service priorities and antenna conditions, adjusting power allocation in real-time to maintain low bit error rates across all services while managing complexity through automated control mechanisms.
Data Source
AI summary
A method for power control in a terminal device includes determining service types of at least one service to be performed by the terminal device; configuring a target transmit power corresponding to each service performed by the terminal device according to each service type and a power-controlled transmit power of the terminal device. A terminal device for executing the method for power control is also disclosed.