Wireless Image Transmission Adaptability via Dynamic Medium Settings
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Solution Overview
Problem
Existing wireless communication systems, such as Wi-Fi Direct and Miracast, face challenges in efficiently managing medium setting values like resolution and data transmission rates during wireless image data transmission, leading to suboptimal user experience and increased resource usage.
Innovation Solution
An information processing apparatus that includes a Capability information transmission unit, a control unit, and a medium setting value transmission unit, which negotiates and adjusts medium settings based on received Capability information, resolution information, and reproduction output formats to optimize data transmission, extending Miracast functionality through RTSP parameters for dynamic adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If medium setting values are fixed in wireless communication systems, then device complexity is reduced, but adaptability to different resolutions and data transmission rates deteriorates
Solution Approach 1:
The patent implements dynamic medium setting values that can be adjusted during wireless communication based on communication state. The system allows real-time modification of resolution and data transmission rates according to network conditions and device capabilities, transforming fixed settings into adaptable parameters that respond to changing environments.
Solution Approach 2:
The patent changes physical parameters of wireless communication by introducing negotiable medium setting values including resolution levels and data transmission rates. These parameters are dynamically adjusted through capability information exchange between devices, allowing the system to optimize communication quality by modifying transmission parameters rather than maintaining fixed settings.
2Ease of operation
If medium setting values are dynamically adjusted, then user experience is improved, but resource usage increases
Solution Approach 1:
The patent performs capability information exchange and medium setting negotiation before actual data transmission begins. By establishing optimal settings in advance through capability advertisement and selection processes, the system avoids continuous adjustments during transmission, thereby reducing the energy overhead of dynamic modifications while still achieving high user experience quality.
Solution Approach 2:
The patent implements feedback mechanisms where devices monitor communication state and adjust medium setting values accordingly. The system uses capability information from both transmitting and receiving devices to make informed adjustments, ensuring that dynamic changes are made only when necessary and beneficial, thus optimizing the balance between user experience and energy consumption.
3Adaptability or versatility
If capability information exchange is implemented, then adaptability is improved, but communication overhead increases
Solution Approach 1:
The patent extracts only the essential capability information needed for medium setting negotiation from complete device capability sets. By selectively exchanging only relevant parameters such as supported resolutions and data transmission rates rather than full capability profiles, the system reduces negotiation data volume while maintaining sufficient adaptability for effective medium setting optimization.
Data Source
AI summary
To provide an information processing apparatus that receives image data through wireless communication. By newly providing an RTSP parameter having high affinity with Miracast Release1, resources on a wireless section are reduced and the communication sequence in which a user does not feel the waiting time is achieved in the communication sequence in which a medium setting value of a source apparatus is changed in response to a request from a sink apparatus. Further, in a multi-source topology environment in which a plurality of images based on image data transmitted from a plurality of source apparatuses are displayed on a display unit of the sink apparatus, it is possible to present a band control method in which a data transmission rate is assigned as much as possible.