In-Flight Video Bandwidth Allocation by Seat Class and Display Resolution
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Solution Overview
Problem
Existing in-flight entertainment systems face limitations in supporting high-resolution media content due to bandwidth constraints and the need for costly solid-state drives in every seatback display, leading to inconsistent video quality across different classes.
Innovation Solution
A media server intelligently manages bandwidth by dynamically selecting video resolutions based on seatback display capabilities and network availability, prioritizing higher resolutions for premium classes while optimizing overall streaming capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If high-resolution video content is provided to all passengers, then video quality is improved, but bandwidth consumption increases beyond available capacity
Solution Approach 1:
The system applies different video resolution qualities to different passenger groups based on their class and display capabilities. Premium passengers receive high-resolution video content while economy passengers receive lower resolution content, optimizing the balance between video quality and bandwidth consumption.
Solution Approach 2:
The system dynamically adjusts video resolution based on real-time bandwidth availability and passenger requests. When bandwidth is available, higher resolutions are provided; when bandwidth is constrained, the system automatically downgrades to lower resolutions to maintain service continuity.
2Productivity
If solid-state drives are installed in every seatback display, then video streaming capability is improved, but system cost increases
Solution Approach 1:
The system merges the video storage function into the centralized media server, eliminating the need for individual solid-state drives in each seatback display. Multiple passengers share the same storage pool, significantly reducing hardware costs while maintaining video streaming capability.
Solution Approach 2:
The centralized media server provides universal video storage and distribution to all passengers regardless of their seat location or class. This multi-functional approach allows a single storage system to serve the entire passenger base, reducing overall system complexity and cost.
3Device complexity
If uniform video resolution is provided to all passengers, then system simplicity is maintained, but video quality consistency across different classes deteriorates
Solution Approach 1:
The system implements local quality differentiation by providing higher video resolution to premium class passengers and lower resolution to economy passengers. This ensures video quality consistency within each class while maintaining overall system manageability through automated classification.
Solution Approach 2:
The system automatically classifies passengers by class and applies appropriate video resolution without manual intervention. The classification and content delivery process is self-service, maintaining system simplicity while achieving quality consistency through automated decision-making.
4Quantity of substance
If bandwidth is allocated equally to all passengers, then fairness is maintained, but premium passenger experience deteriorates
Solution Approach 1:
The system applies prioritized bandwidth allocation where premium class passengers receive higher bandwidth quotas and preferential treatment for high-resolution video content, while economy passengers receive standard bandwidth allocation. This differentiated approach ensures premium passenger experience is maintained.
Solution Approach 2:
The system provides excessive bandwidth allocation to premium passengers compared to their share of the total passenger base, ensuring they receive high-resolution video content. This partial over-allocation to premium segments justifies the differentiated service level.
Data Source
AI summary
Methods, apparatus and system for managing an in-flight entertainment network include a method in which a first manifest file and a second manifest file are received. A first data connectivity with a first group of display devices and a second data connectivity with a second group of display devices is established. A bandwidth map and a profile map are used based on the manifest files and used for providing entertainment to the first group of display devices and the second group of display devices.