Robust Header Compression Processor IPID Behavior Pattern Detection
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Solution Overview
Problem
The existing Robust Header Compression (ROHC) protocols waste wireless resources and reduce compression efficiency due to the assumption that IPIDs in wireless cellular networks are generally in ascending order, lacking a method to recognize IPID behaviors, leading to unnecessary transmission of original IPID values.
Innovation Solution
A robust header compression processing method that determines the IP identifier behavior pattern by analyzing the characteristics of IP identifiers in data packets, using threshold values to classify patterns as incremental, static, or random, allowing for appropriate compression strategies to be applied, thereby reducing unnecessary IPID information transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the ROHC protocol assumes IPIDs are in ascending order and uses compression strategies accordingly, then compression efficiency is improved, but wireless resources are wasted when the assumption is incorrect
Solution Approach 1:
The patent implements dynamic behavior pattern recognition that adapts to actual IPID allocation patterns. The system transitions from static assumptions about IPID behavior to dynamic detection, using multiple counters to track incremental, static, and random patterns. This allows the compression strategy to adapt in real-time to the actual behavior of IPIDs in the packet flow, resolving the contradiction between compression efficiency and resource waste.
Solution Approach 2:
The patent changes the parameter of IPID behavior recognition from fixed assumption to variable detection. By introducing behavior pattern counters that track the actual characteristics of IPID allocation (incremental, static, or random), the system adjusts its compression approach based on detected patterns rather than relying on fixed assumptions, thereby optimizing both compression efficiency and resource utilization.
2Reliability
If the original IPID value is transmitted in each packet to ensure accurate decompression, then decompression reliability is improved, but bandwidth utilization deteriorates
Solution Approach 1:
The patent performs preliminary behavior pattern recognition by analyzing multiple consecutive IPID values to detect allocation patterns before applying compression. By using counters to track whether IPIDs follow incremental, static, or random patterns, the system prepares compression strategies in advance based on detected behaviors, allowing reliable decompression with reduced bandwidth consumption.
Solution Approach 2:
The patent uses behavioral patterns as a form of compression copy, where instead of transmitting the full IPID value, the system transmits compressed representations based on detected patterns (e.g., offset values for incremental patterns, single values for static patterns). This copying approach maintains decompression reliability while significantly reducing bandwidth requirements.
3Quantity of substance
If behavior pattern recognition is implemented to optimize compression, then bandwidth utilization is improved, but device complexity increases
Solution Approach 1:
The patent segments the behavior recognition process into distinct counter modules, each tracking specific patterns (incremental, static, random). By dividing the complex behavior analysis into separate, specialized counters, the system reduces overall complexity while maintaining accurate pattern recognition. Each counter independently tracks its specific pattern type, making the overall system more manageable and efficient.
Data Source
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AI summary
A robust header compression processing method and a robust header compressor are disclosed. The method includes: a compressor processing a plurality of data packets at the front of a packet flow by using an Internet Protocol (IP) identifier random behavior pattern, and determining an IP identifier behavior pattern according to characteristics of IP identifiers in the plurality of data packets at the front; and the compressor processing subsequent data packets of the packet flow according to the determined IP identifier behavior pattern. With the robust header compression processing method and the robust header compressor, waste of wireless resources can be avoided, and a utilization rate of the wireless resources can be enhanced