Adaptive Acknowledgment Transmissions in Wireless Systems
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless communication standards lack efficient mechanisms for adaptive and automatic acknowledgment frame transmissions, which can lead to suboptimal data rate and error check sequence adaptations, affecting communication reliability and efficiency.
Innovation Solution
A device and system that include a memory structure and baseband unit configured to store and extract data rate and frame check sequence parameters, allowing for adaptive selection and generation of acknowledgment frames based on received frames, enabling automatic acknowledgment mode and independent MAC layer processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If acknowledgment frames are generated and transmitted for every successfully received data frame, then communication reliability is improved, but communication efficiency deteriorates due to increased transmission overhead
Solution Approach 1:
The patent implements dynamic acknowledgment transmission by introducing an adaptive acknowledgment mechanism that adjusts acknowledgment behavior based on channel conditions, data rate parameters, and frame check sequence results. Instead of always transmitting acknowledgments, the system dynamically decides whether to send them based on current communication state, thus improving efficiency while maintaining reliability when needed.
Solution Approach 2:
The system changes key parameters including data rate parameters and frame check sequence parameters adaptively. By modifying these parameters based on channel conditions and reception success, the system can optimize acknowledgment transmission behavior, reducing unnecessary transmissions while ensuring reliable communication when channel conditions warrant it.
2Adaptability or versatility
If data rate parameters are extracted from received frames for acknowledgment generation, then adaptability is improved, but device complexity increases due to additional processing requirements
Solution Approach 1:
The patent extracts only the necessary data rate parameters from received frames rather than processing entire frame contents. This selective extraction approach provides the needed adaptability for acknowledgment generation while minimizing processing complexity by focusing only on essential parameters needed for acknowledgment decision-making.
Solution Approach 2:
The system performs preliminary extraction of data rate parameters during frame reception, preparing this information in advance for potential acknowledgment generation. This preliminary action allows the parameters to be readily available when needed, reducing real-time processing complexity while maintaining adaptability.
3Reliability
If frame check sequence parameters are adapted based on received frames, then communication reliability is improved, but loss of time increases due to additional validation processing
Solution Approach 1:
The patent implements partial frame check sequence validation by adapting FCS parameters based on received frames only when necessary for acknowledgment generation. Instead of performing complete validation on every frame, the system performs partial checks focused on parameters relevant to acknowledgment decisions, thus improving reliability while minimizing time loss.
Solution Approach 2:
The system performs preliminary frame check sequence parameter extraction and validation during frame reception, preparing validation results in advance. This preliminary action ensures that when acknowledgment generation is needed, the FCS validation is already complete or can be quickly determined, reducing the time penalty for reliability checks.
4Productivity
If automatic acknowledgment mode is enabled for independent MAC layer processing, then productivity is improved, but device complexity increases due to additional control mechanisms
Solution Approach 1:
The patent merges the automatic acknowledgment generation function into the MAC layer processing unit, combining multiple functions (parameter extraction, frame validation, acknowledgment generation) into a single integrated control mechanism. This merging improves productivity by enabling independent MAC layer processing while managing complexity through functional integration rather than separate components.
Solution Approach 2:
The MAC layer is empowered to independently generate acknowledgments without requiring intervention from higher protocol layers. This self-service capability improves productivity by enabling autonomous acknowledgment transmission, while the complexity is managed through predefined rules and parameters that guide the autonomous behavior.
Data Source
AI summary
Systems and techniques for adaptive automatic acknowledgment handling are described. A described system includes a memory structure to store a data rate (DR) adaptation mode indicator, a frame check sequence (FCS) adaptation mode indicator, a preset DR parameter, and a preset FCS parameter; an extractor to extract a DR parameter from a received frame to produce an extracted DR parameter and extract a FCS parameter from the received frame to produce an extracted FCS parameter; a selector to select between the preset DR parameter and the extracted DR parameter based on the DR adaptation mode indicator to produce a selected DR parameter and select between the preset FCS parameter and the extracted FCS parameter based on the FCS adaptation mode indicator to produce a selected FCS parameter; and a generator to generate an acknowledgment to the received frame based on the selected DR parameter and the selected FCS parameter.