Multi-Interface Power Allocation for Concurrent Wireless Transmission
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Solution Overview
Problem
Existing wireless communication systems are unable to efficiently allocate power among multiple air interfaces for simultaneous transmission, as they only handle power allocation for a single air interface at a time, lacking strategies for concurrent communication over multiple interfaces.
Innovation Solution
A method and system for allocating power among multiple air interfaces, involving determining power levels for each interface, comparing these levels, estimating an appropriate power level for the second interface based on the comparison, and generating a power-based payload constraint to optimize transmission across both interfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If power is allocated to a single air interface at a time, then the power allocation method is simple, but the mobile device cannot transmit concurrently over multiple air interfaces
Solution Approach 1:
The patent segments the total transmit power into separate power budgets for different air interfaces. Each air interface is allocated a specific power portion (e.g., first power portion for first air interface, second power portion for second air interface), allowing independent power control and concurrent operation without requiring a completely new power allocation framework.
Solution Approach 2:
The patent implements dynamic power allocation where the power portions for different air interfaces can be adjusted based on transmission conditions. The system dynamically determines power levels for each interface based on factors like signal quality, interference levels, and transmission requirements, enabling adaptive concurrent transmission.
2Reliability
If power levels for multiple air interfaces are determined independently, then the power allocation process is straightforward, but interference between interfaces increases
Solution Approach 1:
The patent incorporates feedback mechanisms where the system monitors transmission quality and interference levels between air interfaces. Based on this feedback, the power allocation is adjusted to optimize transmission reliability while minimizing harmful interference. The system uses measured signal quality metrics to dynamically modify power portions allocated to each interface.
Solution Approach 2:
The patent changes power level parameters dynamically based on transmission conditions. By adjusting the power portions allocated to different air interfaces according to real-time signal quality, interference measurements, and transmission requirements, the system optimizes the balance between transmission reliability and interference reduction.
3Productivity
If the mobile device transmits over multiple air interfaces simultaneously, then communication efficiency improves, but power consumption increases
Solution Approach 1:
The patent applies partial power allocation where not all available power is necessarily used at full capacity for each air interface. The system determines optimal power portions that are sufficient for reliable transmission without excessive power consumption. By allocating only the necessary power portions required for each interface's transmission needs, the system achieves efficient concurrent communication while managing power consumption.
Data Source
AI summary
Systems and methods for allocating transmit power among multiple interfaces in a wireless communication system are disclosed. In one embodiment, the method comprises determining a first power level used for transmission over a first air interface, determining a second power level used for transmission over a second air interface, comparing a composite of the first power level and the second power level to a threshold power level, and adjusting the second power level based on the comparison.