Uplink Channel Power Allocation Prioritizing Critical Services
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Solution Overview
Problem
In fifth-generation mobile radio technology systems, there is a lack of effective power allocation methods for uplink channels, particularly when the total transmit power required exceeds the maximum allowable power of terminal devices, leading to inadequate power allocation for critical services.
Innovation Solution
A method where terminal devices determine priorities for uplink channels based on corresponding service sets, allocating power accordingly to ensure critical services meet their requirements, using principles such as information transmission deadlines, HARQ transmission times, subcarrier spacing, and slot lengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transmit power is allocated to all uplink channels according to their requirements, then the service quality of each channel is improved, but the total transmit power exceeds the maximum allowable power of the terminal device
Solution Approach 1:
The patent applies local quality by assigning different power allocation priorities to different uplink channels based on their service types. Critical services (URLLC) receive higher power allocation priority with guaranteed minimum power, while non-critical services (eMBB, mMTC) receive lower priority and share remaining power. This resolves the contradiction by ensuring critical services get sufficient power for high reliability while non-critical services adapt to remaining power conditions.
Solution Approach 2:
The patent changes the power allocation parameters dynamically based on service requirements. It introduces service-type-dependent parameters including minimum power thresholds, power ratios, and priority weights that adjust how power is distributed. This allows the system to optimize power distribution according to different service characteristics, resolving the contradiction between meeting service quality requirements and staying within power limits.
2Ease of operation
If transmit power is allocated uniformly to all uplink channels, then the power allocation process is simple, but critical services with strict requirements cannot meet their service quality targets
Solution Approach 1:
The patent segments the power allocation process into distinct stages: first allocating power to critical services (URLLC) with guaranteed minimum power, then allocating remaining power to non-critical services (eMBB, mMTC). It also segments power allocation by service type with different rules for each. This segmentation resolves the contradiction by maintaining operational simplicity through structured steps while ensuring critical services receive adequate power for high reliability.
Solution Approach 2:
The patent applies different power allocation strategies to different service types rather than uniform allocation. Critical services receive guaranteed minimum power and higher priority, while non-critical services share remaining power. This differentiated approach resolves the contradiction by ensuring critical services meet quality requirements while keeping the overall process manageable through service-type categorization.
3Device complexity
If transmit power is allocated without considering service priorities, then the power distribution is straightforward, but important services with strict latency and reliability requirements fail to meet their targets
Solution Approach 1:
The patent introduces service-type-specific power allocation parameters including minimum power thresholds, power ratios, and priority weights for different service types. Critical services (URLLC) are assigned higher priorities and guaranteed minimum power, while non-critical services (eMBB, mMTC) receive lower priorities and share remaining power. This resolves the contradiction by ensuring important services meet their strict requirements while keeping the allocation method systematically simple through service-type categorization.
Solution Approach 2:
The patent performs preliminary power allocation to critical services before allocating power to non-critical services. It first determines minimum power requirements for URLLC services, allocates that power first, then distributes remaining power to eMBB and mMTC services. This preliminary action resolves the contradiction by ensuring critical services receive necessary power upfront while simplifying the overall process through a structured two-stage allocation approach.
Data Source
AI summary
Embodiments of this application disclose an uplink channel power allocation method, including: determining, by a terminal device, priorities of N uplink channels based on a service set corresponding to each of the N uplink channels in a first time period, where each service set is corresponding to one priority, and at least one of service sets corresponding to the N uplink channels includes at least one service; and allocating, by the terminal device, transmit power to at least one of the N uplink channels based on the priorities of the N uplink channels.