Cell State Management for Load Balancing in Wireless Networks
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Solution Overview
Problem
The uneven distribution of user equipment (UEs) across cells leads to varying loads, resulting in inefficient power consumption and reduced network performance. Additionally, cells with lower power consumption efficiency when heavily loaded increase overall power consumption, thereby increasing operational costs.
Innovation Solution
A method and electronic device that monitor and adjust the state of cells based on total load calculations. Cells are switched between active and inactive states to balance load distribution and minimize power consumption, ensuring that UEs are connected to active cells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cells are kept in active state to serve user equipments, then service availability is improved, but power consumption increases
Solution Approach 1:
The patent applies dynamics by making cell states adjustable rather than fixed. The base station dynamically changes cell states between active and inactive based on real-time load conditions. When load is low, cells are deactivated to save power; when load increases, cells are activated to maintain service availability. This dynamic adaptation resolves the contradiction between maintaining service availability and reducing power consumption.
Solution Approach 2:
The patent changes the operational parameter of cell state (active/inactive) based on load conditions. By monitoring load metrics and adjusting cell state parameters accordingly, the system optimizes the balance between service availability and power consumption. This parameter change approach allows the system to adapt to varying traffic conditions while managing energy efficiency.
2Device complexity
If UEs are concentrated on fewer cells, then connection management is simplified, but load balancing deteriorates
Solution Approach 1:
The patent implements feedback mechanisms where the base station continuously monitors load conditions on each cell and uses this information to make informed decisions about cell activation and UE connection distribution. The feedback loop ensures that connection management decisions are based on real-time network state, preventing both overload on specific cells and unnecessary complexity in connection management.
Solution Approach 2:
The system dynamically adjusts cell states and UE connections based on changing load conditions. Rather than maintaining fixed connections, the system adapts connection distribution dynamically, allowing UEs to be served by different cells based on current load, thus maintaining good network performance without excessive management complexity.
3Ease of manufacture
If cells with low power consumption efficiency are used, then initial deployment cost is reduced, but total power consumption increases
Solution Approach 1:
The patent employs periodic monitoring and adjustment of cell states based on load patterns. Rather than continuously operating all cells or making constant adjustments, the system periodically evaluates load conditions and makes state changes accordingly. This periodic action allows the use of cost-effective cell configurations while managing overall power consumption through strategic activation and deactivation cycles.
Data Source
AI summary
Disclosed is a method, performed by an electronic device, of controlling a plurality of cells for providing radio resources to a plurality of user equipments (UEs), including: obtaining information about a load of each of a plurality of cells, calculating a total load of the plurality of cells based on the obtained information, changing a state of at least one cell from among the plurality of cells from an active state to an inactive state or from an inactive state to an active state based on the calculated total load, and controlling the plurality of cells so that a plurality of UEs are connected to active cells from among the plurality of cells in response to the change in the state of the at least one cell.