Network-Controlled Repeater Power Sharing Between Control and Backhaul Links
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Solution Overview
Problem
Current technologies fail to provide adequate solutions for network-control repeaters (NCRs) to manage the combined transmission powers of control and backhaul links, which can exceed the maximum transmission power, leading to inefficiencies and potential network disruptions.
Innovation Solution
The NCR calculates individual transmission powers for each link and combines them to determine a total transmission power. If the total power exceeds the maximum, the NCR modifies the transmission powers based on link priority, default priorities, stepwise reduction techniques, or power sharing factors to ensure compliance with the maximum power limit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the NCR transmits simultaneously on both control link and backhaul link at individual calculated powers, then communication productivity is improved, but the total transmission power exceeds the maximum power limit
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting transmission power levels based on priority assignments. When simultaneous transmissions would exceed maximum power, the system modifies the power parameter by reducing power on lower-priority links or applying power sharing factors (e.g., 70/30 split) to distribute power between control and backhaul links according to their relative priorities.
Solution Approach 2:
The patent implements partial action by not always transmitting at full calculated power. When power constraints are detected, the system transmits at reduced power levels or applies partial power allocation to lower-priority links, ensuring that the sum of powers remains within maximum limits while still enabling simultaneous communications.
2Reliability
If the NCR manages transmission power to stay within maximum limits, then device reliability is improved, but transmission efficiency may be reduced
Solution Approach 1:
The patent implements feedback mechanisms where the NCR continuously monitors transmission power levels and compares them against maximum limits. Based on this feedback, the system dynamically adjusts power allocation between control and backhaul links, applying priority-based power sharing factors to optimize the balance between reliability and efficiency in real-time.
Solution Approach 2:
The patent applies dynamics by making power allocation flexible and adaptive rather than fixed. The system dynamically adjusts transmission power based on current network conditions, priority assignments, and power availability, allowing optimal power distribution that changes over time to balance reliability requirements with transmission efficiency.
3Device complexity
If the NCR uses priority-based power sharing, then power management complexity is reduced, but fine-grained power optimization is limited
Solution Approach 1:
The patent applies segmentation by dividing power management into discrete priority levels and sharing factors rather than continuous fine-grained adjustment. Power allocation is segmented into categories (e.g., control link vs. backhaul link priorities) with predefined sharing factors, simplifying the management logic while providing sufficient optimization for practical network scenarios.
Data Source
AI summary
Techniques are provided for a network-controlled repeater (NCR) to share power during the simultaneous transmission of a control link and backhaul link. When the total power for transmitting via the control link and the backhaul link are below a maximum power for transmission, the NCR can use the calculated transmission powers for transmitting each link. Otherwise, the NCR can apply a relative priority to the links, a default priority to each link, a stepwise reduction of power, or a power sharing factor. A power sharing technique can be based on whether there is overlap between the links on the same time symbol, where the same or different beams are used for each link, and/or whether a priority flag for an access link is being used. These and many other features and examples are described.