Cellular Video Transmission via QoS-Based Network Selection
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Solution Overview
Problem
Media broadcasters face challenges in transmitting digital broadcast grade video in real-time from remote locations due to limitations in data communication connections, such as line of sight and point-to-point fiber video circuit connections, which restrict the geographic flexibility and quality of service.
Innovation Solution
A method and system that compress digital broadcast grade video using a Joint Photographic Experts Group 2000 (J2K) compliant compression coding system, convert the compressed stream into data packets, and transmit them via a cellular data network, selecting the network based on quality of service factors to ensure real-time transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If line of sight connection or point-to-point fiber video circuit connection is used for transmission, then transmission reliability is improved, but geographic flexibility and adaptability deteriorate
Solution Approach 1:
The patent uses cellular networks as an intermediary transmission medium between the remote location and the broadcast station. Instead of requiring direct line-of-sight or fiber connections, the video signal is transmitted through cellular base stations and network infrastructure, enabling transmission from any location with cellular coverage while maintaining reliable delivery through established network protocols and redundancy.
2Stability of the object's composition
If traditional transmission connections are used, then transmission stability is improved, but device complexity and infrastructure requirements worsen
Solution Approach 1:
The system leverages the existing cellular network infrastructure to perform transmission functions that would otherwise require dedicated broadcast equipment. The cellular network's own base stations, backhaul connections, and routing infrastructure are utilized to transport the video signal, eliminating the need for separate transmission towers, fiber optic cables, and associated hardware at the remote location.
3Productivity
If real-time transmission is required, then productivity is improved, but transmission quality and reliability worsen due to network limitations
Solution Approach 1:
The system dynamically adjusts transmission parameters including video bitrate, resolution, and encoding format based on the current cellular network conditions. When network bandwidth is available, higher quality settings are used; when bandwidth is constrained, the system automatically reduces quality parameters to maintain continuous real-time transmission without interruption or buffer underruns.
Data Source
AI summary
A method includes receiving a media stream at a media device and converting, at the media device, the media stream into data packets. The method includes initiating, with the media device, end-to-end connections between the media device and a receiving device via a plurality of cellular network and determining, at the media device, a quality of service factor for each cellular network of the plurality of cellular networks. The method includes selecting, at the media device, a single cellular network of the plurality of cellular networks based on the quality of service factor for each cellular network of the plurality of cellular networks. The method also includes transmitting the data packets from the media device via the single cellular network to the receiving device.