Baseband Stream Division for Channel Bonding Cost Reduction
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Solution Overview
Problem
In digital broadcasting using DVB-C2 standards, the lack of specified details for Physical Layer Pipe (PLP) bundling leads to increased costs for apparatuses that recompose high-data-rate streams, as they require more freedom and complexity in PLP bundling on the transmitting side.
Innovation Solution
A data processing device and method that divide a Baseband (BB) stream into divisional streams by distributing BB frames to data slices, limiting the data rate ratio between the streams, allowing for efficient recomposition on the receiving side while reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If PLP bundling is implemented without specified details in DVB-C2, then freedom in implementation is increased, but apparatus costs increase due to higher complexity in recomposition
Solution Approach 1:
The patent applies parameter changes by establishing specific constraints on data rate ratios between divisional streams. By limiting the data rate ratio to within a predetermined range (e.g., 1:2 or 1:3), the invention transforms the open-ended implementation freedom into a controlled parameter space, enabling standardized recomposition processes that reduce apparatus complexity while maintaining implementation flexibility within defined boundaries
Solution Approach 2:
The patent segments the high-data-rate BB stream into multiple divisional streams with controlled data rate ratios. This segmentation approach allows the receiving apparatus to process each divisional stream independently with standardized complexity, then recombine them through systematic procedures, thereby reducing overall apparatus complexity while preserving implementation freedom through configurable segmentation schemes
2Adaptability or versatility
If BB frames are distributed without data rate ratio limits, then distribution flexibility is increased, but buffer requirements increase leading to higher costs
Solution Approach 1:
The patent changes the parameter constraints by introducing data rate ratio limits between divisional streams. By controlling the data rate ratio to remain within a predetermined range, the invention ensures that buffer capacities remain manageable and standardized, reducing the quantity of buffering resources required while maintaining distribution flexibility through configurable allocation schemes within the constrained parameter space
Solution Approach 2:
The patent applies partial action by implementing data rate ratio limits that are sufficient to control buffer requirements but not so restrictive as to eliminate distribution flexibility. The predetermined range (e.g., 1:2, 1:3) provides just enough constraint to maintain standardized buffer sizes while allowing adequate flexibility for various distribution scenarios, avoiding excessive restriction
Data Source
AI summary
The present technology relates to data processing devices and data processing methods that lower costs and enable CB (Channel Bonding). A transmission device divides a BB stream as a stream of BB (Baseband) frames into divisional streams by distributing the BB frames of the BB stream to data slices. The dividing of the BB stream is performed by limiting the data rate ratio between the data rates of the divisional streams. A reception device recomposes the original BB stream from the divisional streams obtained from data transmitted from the transmission device. The present technology can be applied to CB such as PLP (Physical Layer Pipe) bundling.