5G V2X Carrier Power Allocation by Service Priority
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Solution Overview
Problem
In 5G V2X networks, terminal devices face challenges in managing transmission power across multiple carriers, leading to inefficiencies and potential data loss due to exceeding maximum transmission power limits.
Innovation Solution
A communication method that adjusts transmission power sequentially based on service priority and channel/signal type for carriers in a 5G V2X network, ensuring that the sum of transmission powers does not exceed the maximum allowed power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transmission power is increased to improve communication reliability, then data loss is reduced, but the maximum transmission power limit is exceeded causing system failure
Solution Approach 1:
The patent segments the transmission power allocation by dividing carriers into different adjustment orders based on service priority and channel type. High-priority carriers (first adjustment order) maintain higher power allocation while low-priority carriers (second adjustment order) receive reduced power, allowing the system to operate within power limits while maintaining communication reliability for critical services
Solution Approach 2:
The patent applies local quality by differentiating power adjustment strategies for different carrier groups. Carriers transmitting critical control channels receive preferential power allocation compared to carriers transmitting non-critical data, ensuring that locally optimized power distribution maintains overall system reliability without exceeding total power constraints
2Productivity
If multiple carriers are used simultaneously to increase data transmission capacity, then productivity is improved, but transmission power management complexity increases
Solution Approach 1:
The patent segments N carriers into two distinct adjustment orders: first adjustment order for high-priority services and second adjustment order for low-priority services. This segmentation simplifies power management by providing clear hierarchical rules for power allocation across multiple carriers, reducing the complexity of managing simultaneous transmissions while maintaining high data transmission capacity
Solution Approach 2:
The patent performs preliminary classification of carriers into different adjustment orders based on service priority and channel type before transmission. This advance organization of carriers into priority groups simplifies real-time power management decisions, allowing the system to handle multiple carriers efficiently without complex dynamic adjustments during transmission
3Power
If transmission power is reduced to stay within limits, then power constraints are satisfied, but data loss increases due to insufficient power
Solution Approach 1:
The patent applies local quality by ensuring that carriers transmitting critical control channels and high-priority services receive sufficient power allocation even when total power must be reduced. This localized power preservation for important carriers prevents data loss for critical information while allowing power reduction for non-critical carriers, maintaining overall system functionality within power constraints
Solution Approach 2:
The patent implements feedback mechanisms where the system monitors transmission quality and power consumption, then adjusts power allocation dynamically across different carrier adjustment orders. This feedback loop ensures that power is maintained at levels sufficient to prevent data loss for high-priority carriers while optimizing overall power utilization to satisfy system constraints
Data Source
AI summary
A communication method including: when a sum of transmission powers of N carriers is greater than a maximum transmission power P, adjusting a transmission powers sequentially based on a priority order from low to high of services to be transmitted on the N carriers, until a sum of transmission powers of the N carriers after adjustment is less than or equal to P, where carriers, out of the N carriers, for corresponding services having a same priority are subjected to transmission power adjustment based on a first adjustment order; some or all of the N carriers are used for communication with a second terminal device; and performing, with use of adjusted respective transmission powers of M carriers, channel/signal transmission on the M carriers simultaneously, where the M carriers are carriers, subjected to transmission power adjustment out of the N carriers, with transmission powers not being 0.