3G Data Filtering for Video Quality Under Weak Signals
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Solution Overview
Problem
The existing 3G-324M protocol is ineffective in processing invalid data, leading to issues such as image blocks, mosaic, and audio noise during video communication, especially when network signals are weak or system resources are heavily consumed.
Innovation Solution
A data filtering method that continuously receives 3G data streams, determines if they contain complete filtering units, identifies and marks invalid data, and filters out these invalid data, particularly zero data, using a predetermined protocol within the 3G-324M protocol layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the 3G-324M protocol transmits constant filling codes (zero data) to maintain constant bit rate, then the bit rate stability is improved, but the data processing efficiency deteriorates due to numerous invalid data
Solution Approach 1:
The patent extracts and removes invalid zero data from the data stream before processing. The filtering mechanism identifies and extracts only the necessary valid data packets, eliminating the constant filling codes that cause processing overhead while maintaining the required bit rate stability for smooth video communication.
Solution Approach 2:
The patent applies preliminary filtering action to remove invalid data before the main processing stages. By pre-filtering the data stream to eliminate zero data and other invalid packets upfront, the system reduces the processing burden on subsequent protocol layers and application processors, improving overall data processing efficiency.
2Quantity of substance
If the system processes all received data including invalid zero data, then the data completeness is improved, but the video/audio quality deteriorates due to processing overhead
Solution Approach 1:
The patent applies different processing quality levels to different data portions. Valid data packets receive full processing attention to ensure high video/audio quality, while invalid zero data is quickly identified and discarded with minimal processing. This local quality differentiation maintains data completeness for valid portions while eliminating quality degradation from processing overhead.
Solution Approach 2:
The patent performs partial processing by selectively handling only the necessary valid data packets rather than processing all received data. This partial action approach processes exactly what is needed for quality output without the excessive processing of invalid filling codes, thereby maintaining video/audio quality while reducing system overhead.
3Stability of the object's composition
If the network transmits data at constant bit rate with filling codes, then the transmission stability is improved, but the network bandwidth utilization deteriorates due to invalid data
Solution Approach 1:
The patent extracts and removes invalid filling codes from the transmitted data stream. By taking out the constant zero data that occupies bandwidth but provides no useful information, the system maintains transmission stability through proper protocol compliance while significantly improving network bandwidth utilization for actual video and audio content.
Data Source
AI summary
A data filtering method for removing invalid data in 3G data stream which is received. The data filtering method includes the following steps. At first, a step (a) of receiving a 3G data stream continually is performed. Then, a step (b) of determining whether the 3G data stream comprises a complete filtering unit is performed. If the 3G data stream comprises a complete filtering unit, a step (c) of determining whether the 3G data stream includes invalid data is performed. If the 3G data stream includes invalid data, a step (d) of marking the invalid data according to a predetermined protocol is performed. Finally, a step (e) of filtering out the marked invalid data is performed.