Distributed Multi-Channel Decoder Scheduling for Variable Codeword Loads
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Multi-channel decoder systems face inefficiencies due to variable processing times and constant input data rates, leading to poor resource utilization, high power consumption, and the need for extensive buffering, which reduces system efficiency.
Innovation Solution
A distributed scheduling system with a set of unit decoder circuits and a distribution controller circuit that dynamically allocates incoming codewords to available unit decoder circuits based on availability, quality-of-service class, and processing delay, allowing for improved resource utilization and reduced power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional multi-channel decoder systems process codewords with variable processing times at constant input data rates, then all channels must be served by dedicated decoders to maintain service quality, but this leads to poor resource utilization and high power consumption
Solution Approach 1:
The patent implements a universal decoder architecture where a single decoder can serve multiple channels by dynamically allocating decoding resources. Instead of having dedicated decoders for each channel, one decoder processes codewords from multiple channels sequentially or in parallel depending on availability, thereby reducing the total number of active decoders and lowering power consumption while maintaining service quality through flexible resource distribution
Solution Approach 2:
The system employs dynamic resource allocation mechanisms that adaptively adjust decoder assignment based on real-time channel conditions, codeword processing status, and quality-of-service requirements. The dynamic scheduling allows the system to optimize power consumption by activating only the necessary number of decoders at any given time while ensuring that critical channels receive timely processing
2Reliability
If dedicated decoders are assigned to each channel to ensure service quality, then reliability is maintained, but resource utilization becomes poor due to idle decoders when no codewords are available
Solution Approach 1:
Decoders are designed to be multi-functional, capable of processing codewords from any channel rather than being restricted to a single dedicated channel. This universality allows decoders to be dynamically reassigned based on workload demands, ensuring high resource utilization while maintaining the ability to provide quality service to any channel that requires processing
Solution Approach 2:
The system implements continuous workload distribution across available decoders by maintaining a pool of codewords from multiple channels. When one channel has no pending codewords, the decoder immediately transitions to processing codewords from other channels, ensuring that decoders remain continuously productive and avoiding idle time while preserving service quality through uninterrupted processing
3Adaptability or versatility
If variable processing times are accommodated in multi-channel decoder systems, then different channels can have different decoding requirements, but extensive buffering is needed which reduces system efficiency
Solution Approach 1:
The system employs dynamic buffer management that adjusts buffering requirements based on real-time decoding progress and channel conditions. Instead of allocating fixed large buffers for all channels, the system dynamically allocates buffer space and processing time based on actual needs, reducing overall buffering requirements while maintaining the flexibility to handle variable decoding requirements of different channels
Solution Approach 2:
The system implements feedback mechanisms that monitor decoding status, channel conditions, and buffer levels in real-time. Based on this feedback, the system dynamically adjusts resource allocation and processing priorities, allowing it to accommodate variable decoding requirements without requiring extensive predetermined buffering, thereby reducing system complexity while maintaining adaptability
4Speed
If constant input data rates are used in multi-channel decoder systems, then data transmission is simplified, but resource utilization deteriorates when processing times vary across channels
Solution Approach 1:
The system implements dynamic scheduling that decouples the constant input data rate from the processing rate. While data is received at a constant rate, the processing speed and resource allocation are dynamically adjusted based on the actual decoding requirements of each codeword and the availability of processing resources, thereby maintaining simple data transmission while improving resource utilization through adaptive processing
Data Source
AI summary
A multi-channel decoder circuit associated with a multi-channel decoder system is disclosed. The multi-channel decoder circuit comprises a distributed decoder circuit comprising a set of unit decoder circuits, each unit decoder circuit configured to receive one or more codewords of a plurality of codewords associated with a plurality of input channels, and decode the one or more codewords. The multi-channel decoder circuit further comprises a distribution controller circuit configured to distribute each incoming codeword of the one or more codewords to the respective unit decoder circuit of the set of unit decoder circuits within the distributed decoder circuit, based on determining a currently available unit decoder circuit within the set of unit decoder circuits.