UAV Height-Based Resource Allocation in LTE
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Solution Overview
Problem
Unmanned Aerial Vehicles (UAVs) in LTE-based communication systems face challenges due to their high flight heights and speeds, leading to interference with ground-based cellular networks, which affects communication performance and resource allocation efficiency.
Innovation Solution
Implementing a scheme for time-frequency resource allocation based on height thresholds, where UAVs acquire and report height information to base stations for optimized resource allocation, reducing interference and improving communication performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If UAVs communicate using existing LTE networks without height-based resource allocation, then network coverage and connectivity are improved, but interference with ground-based cellular networks increases and resource allocation efficiency deteriorates
Solution Approach 1:
The patent segments the wireless communication resources by dividing time-frequency resources into different pools based on UAV height thresholds. UAVs above a certain height threshold are allocated resources from a dedicated pool, while those below use the ground-based pool, thereby preventing interference between UAV and ground communications.
Solution Approach 2:
The patent changes the resource allocation parameters dynamically based on UAV height. By monitoring UAV altitude and adjusting the allocated time-frequency resources accordingly, the system optimizes spectral efficiency and minimizes interference with ground-based cellular networks.
2Productivity
If height-based resource allocation is implemented for UAVs, then interference with ground-based networks is reduced and resource utilization is improved, but system complexity increases due to height monitoring and dynamic resource management
Solution Approach 1:
The patent implements dynamic resource allocation where UAVs can switch between different resource pools based on their height. The system continuously monitors UAV altitude and dynamically adjusts resource allocation, allowing UAVs to transition between ground-based and UAV-dedicated resource pools as they cross height thresholds.
Solution Approach 2:
The patent incorporates feedback mechanisms where UAVs report their height information to the base station, which then determines the appropriate resource pool allocation. This feedback loop enables automatic adaptation of resource allocation based on current UAV operational conditions.
Data Source
AI summary
Disclosed are an apparatus and method in a wireless communication system and a computer readable storage medium. The apparatus comprises a processing circuit, configured to: obtain at least height information of each user equipment among one or more user equipments; and for each user equipment, allocate resources to the user equipment on the basis of at least the height information of the user equipment and one or more height thresholds for the user equipment. According to at least one aspect of embodiments of the present disclosure, resources are allocated on the basis of a height threshold, so that time-frequency resource allocation in an unmanned aerial vehicle communication scenario may be optimized, resource utilization efficiency may be improved, and interference may be reduced.