Dynamic Beamforming for 5G Interference Reduction
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Solution Overview
Problem
Conventional fixed beam shapes in wireless communication systems lead to inefficiencies and interference issues, particularly in 5G networks, as they broadcast signals in multiple directions without pause and fail to efficiently allocate beam resources, complicating interference avoidance between devices.
Innovation Solution
Implementing dynamically layered beamformed signals that transmit control beams in different directions at different times, adjusting beam shapes from narrow to wide based on coverage area and interference levels, allowing user equipment to detect signals at optimal times and locations, thereby reducing interference and enhancing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If fixed beam shapes are used for broadcasting signals in multiple directions, then coverage area is improved, but interference between devices increases and beam resource allocation efficiency deteriorates
Solution Approach 1:
The patent applies dynamics by transitioning from fixed beam shapes to dynamically adjustable beam shapes. The base station equipment adjusts beam shapes in real-time based on device locations and coverage requirements, allowing the system to adapt beam characteristics (such as beam width and direction) dynamically. This resolves the contradiction by enabling the system to use narrow beams when devices are far apart (reducing interference) and wide beams when coverage area needs to be expanded, thus making beam characteristics flexible rather than fixed.
Solution Approach 2:
The patent implements parameter changes by modifying beam shape parameters (such as beam width, direction, and intensity) based on device locations and coverage needs. The base station equipment changes beam parameters dynamically to optimize both coverage area and interference reduction. For example, when devices are located in different geographic areas, the system adjusts beam width and direction parameters to provide appropriate coverage while minimizing overlapping beams that cause interference.
2Area of stationary object
If conventional approaches broadcast signals in many directions without pause, then coverage is improved, but efficiency deteriorates due to wasted beam resources
Solution Approach 1:
The patent applies local quality by directing beamformed control signals specifically toward geographic areas where user equipment is located, rather than broadcasting uniformly in all directions. The base station equipment identifies device locations and transmits control beams only in relevant directions with appropriate beam shapes. This resolves the contradiction by concentrating beam resources locally where needed, improving efficiency while maintaining adequate coverage area.
Solution Approach 2:
The patent implements periodic action by transmitting beamformed control signals in sequential time intervals rather than continuously in all directions simultaneously. The base station equipment periodically updates beam directions and shapes based on current device locations, allowing beam resources to be reallocated efficiently over time. This periodic transmission approach maintains coverage while reducing waste by avoiding simultaneous broadcasting in all directions.
3Device complexity
If multiple devices detect the same control signal simultaneously, then resource allocation is simplified, but interference increases and detection accuracy deteriorates
Solution Approach 1:
The patent applies segmentation by dividing the coverage area into different geographic regions and allocating different beamformed control signals to devices in different regions. The base station equipment segments the control signal transmission by direction and geographic area, so that devices in different locations receive different control signals at different times. This resolves the contradiction by reducing simultaneous signal detection in the same area, thereby reducing interference while maintaining manageable resource allocation through systematic segmentation.
4Device complexity
If fixed beam shapes are used, then system complexity is reduced, but adaptability to different device locations and coverage areas deteriorates
Solution Approach 1:
The patent applies dynamics by implementing dynamically adjustable beam shapes that adapt to different device locations and coverage requirements. The base station equipment modifies beam characteristics in real-time based on device positions, allowing the system to handle diverse scenarios (different numbers of devices, different geographic distributions, varying coverage needs). This resolves the contradiction by making the system adaptive through dynamic adjustment while managing complexity through automated control algorithms.
Solution Approach 2:
The patent implements parameter changes by adjusting beam shape parameters (width, direction, intensity) based on device locations and coverage needs. The system changes beam parameters dynamically to adapt to different scenarios, whether serving one device or multiple devices across different geographic areas. This resolves the contradiction by enabling versatility through parameter adjustment while maintaining system manageability through systematic parameter control.
Data Source
AI summary
The technologies described herein are generally directed to using dynamically layered beamformed control signals in a fifth generation (5G) network or other next generation networks. For example, a method described herein can include, identifying a group of different directions radiating from beamforming antenna equipment of base station equipment. The method can further include facilitating transmitting a first beamformed signal according to a first direction of the group of different directions. Further, the method can include facilitating transmitting a second beamformed signal according to a second direction of the group of different directions, with the second direction being selected based on a sequence of directions, and where transmitting beamformed signals to the group of different directions is based on the sequence of directions can facilitate establishment of wireless coverage for a corresponding geographic area.