5G Flight Communication Interference Coordination
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Solution Overview
Problem
Current 5G wireless communication systems face challenges in interference coordination, particularly in 5G flight communication, where high-power nodes cause interference to other nodes and user equipment, leading to suboptimal quality of service due to large cell sizes and misaligned timing configurations.
Innovation Solution
Implementing systems and methods for interference coordination that generate interference information to select optimal beam modes and communicate load information across nodes, utilizing backhaul, over-the-air dynamic resource coordination, and interference cancellation to mitigate interference between flight communication nodes and neighbor nodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If flight communication nodes use high power transmission to ensure coverage, then communication reliability is improved, but interference to neighbor cells and ground-based UEs increases
Solution Approach 1:
The patent segments the communication spectrum into dedicated flight communication resources and ground communication resources. Flight communication nodes are allocated specific frequency bands and time slots for aerial communications, while ground nodes use other bands and slots for terrestrial communications. This segmentation prevents high-power flight transmissions from interfering with ground-based communications, resolving the contradiction between maintaining high power for reliability and reducing harmful interference.
Solution Approach 2:
The patent introduces an intermediary coordination mechanism between flight communication nodes and ground nodes. This intermediary system exchanges interference information and coordinates resource allocation to prevent harmful interactions. The intermediary facilitates load information messaging and interference measurements, allowing high-power flight transmissions to occur without causing harmful interference to ground-based communications.
2Area of stationary object
If flight communication nodes use large cell footprints to provide wide coverage, then service coverage is improved, but interference to ground-based communications increases
Solution Approach 1:
The patent segments the spatial coverage into dedicated flight communication zones and ground communication zones. By allocating specific geographic areas and frequency resources to flight communications, the system allows large cell footprints for aerial coverage while preventing interference to ground-based communications through resource separation.
Solution Approach 2:
The patent applies local quality by providing different service characteristics to different locations. Flight communication nodes receive enhanced power and coverage in aerial zones, while ground zones receive optimized parameters for terrestrial communications. This localized optimization allows each region to have the quality needed for its specific use case without causing harmful interference to other regions.
3Measurement precision
If flight communication nodes use larger timing advance to account for larger cell size, then signal timing accuracy is improved, but cross-link interference with ground nodes increases
Solution Approach 1:
The patent segments the timing configuration into separate parameters for flight communication nodes and ground nodes. Flight nodes use larger timing advance values appropriate for their cell size, while ground nodes use smaller values. The segmentation of timing parameters prevents cross-link interference by ensuring each node type uses timing settings optimized for its specific deployment scenario.
Solution Approach 2:
The patent implements dynamic timing configuration where nodes can adjust their timing advance parameters based on their operational mode and interference conditions. This dynamic adaptation allows flight nodes to use larger timing advance for accuracy while ground nodes maintain smaller values, with the system dynamically coordinating to prevent cross-link interference.
4Speed
If ground nodes use faster switching points to support quicker turnaround, then system responsiveness is improved, but interference coordination complexity increases
Solution Approach 1:
The patent segments the switching operations into dedicated flight communication switching points and ground communication switching points. By separating these switching operations in time and frequency, ground nodes can perform fast switching for ground communications while flight nodes handle their own switching independently, reducing the overall coordination complexity despite maintaining high responsiveness.
Data Source
AI summary
Systems and methods are provided for achieving interference coordination for 5G flight communication. That is, systems and methods are disclosed that improve QoS by implementing interference coordination between nodes, wherein one of the nodes is optimized for flight communication.