Dynamic FD-MIMO Antenna Array Adjustment for Traffic Adaptation
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Solution Overview
Problem
Current FD-MIMO antenna systems face challenges in dynamically adapting to varying traffic distributions and service reliability requirements, leading to inefficient use of antennas and potential performance bottlenecks in wireless communication networks.
Innovation Solution
The implementation of a dynamic active antenna control system that selectively switches modular antenna base blocks and individual antennas in and out of the transmit/receive circuit based on real-time traffic distributions and service reliability reports, allowing for customizable configurations of horizontal and vertical antennas to optimize coverage and capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed number of antennas are deployed in FD-MIMO systems, then the system structure is simple and easy to manage, but the system cannot adapt to varying traffic distributions and service reliability requirements, leading to performance bottlenecks
Solution Approach 1:
The patent implements dynamic antenna configuration where the number and arrangement of active antennas are adjusted in real-time based on traffic distribution patterns and service reliability requirements. The system transitions from a static antenna setup to a dynamic one where antenna elements can be selectively activated or deactivated, allowing the system to adapt to changing network conditions while maintaining manageable complexity through automated control algorithms.
Solution Approach 2:
The antenna array is divided into multiple independently controllable antenna elements or sub-arrays. This segmentation allows the system to selectively activate specific antenna segments based on spatial traffic distribution, enabling localized optimization of network performance without requiring full array activation, thus balancing adaptability with operational simplicity.
2Productivity
If all antennas are activated to maximize coverage and capacity, then network performance is improved, but system complexity increases and energy consumption rises
Solution Approach 1:
The system activates only the necessary subset of antenna elements required to meet current network demands rather than activating all available antennas. By analyzing traffic distribution patterns, the system determines the minimum number of antennas needed to maintain optimal performance, thereby achieving high network capacity while reducing system complexity and energy consumption associated with operating the full antenna array.
3Productivity
If the antenna configuration is optimized for specific traffic patterns, then network efficiency is improved, but the system cannot handle changing demand patterns
Solution Approach 1:
The system continuously monitors network traffic patterns, user distribution, and performance metrics, using this feedback information to dynamically adjust antenna configurations. This closed-loop control mechanism ensures that the antenna array is always optimized for current network conditions, maintaining high communication efficiency while adapting to changing demand patterns through real-time reconfiguration based on observed performance data.
Data Source
AI summary
A system, method, and computer readable medium provide for determining a current size of an antenna array at a full-dimension multiple input multiple output (FD-MIMO) antenna site comprising multiple antenna base blocks, each antenna base block including multiple antennas, and the current size of the antenna array corresponding to a number of the antennas that are in active use; obtain a report of a current traffic demand for a geographic coverage area, the current traffic demand being based on a capacity and a service reliability associated with mobile devices in the geographic coverage area; determine a number of the antennas to place in active use based on the current traffic demand and the current size of the antenna array; and send a control signal to place the number of antennas in active use.