Buffer Information Aggregation in MU Resource Requests
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Solution Overview
Problem
Current wireless local area network (WLAN) systems face inefficiencies in resource allocation and traffic management, particularly in multi-user scenarios, where prioritizing and aggregating traffic classes to optimize spectral efficiency and communication channel usage remains a challenge.
Innovation Solution
The proposed solution involves an apparatus and method that configures a data unit with buffer information reports, using scale factors to aggregate and transmit traffic information across multiple traffic categories, allowing for efficient resource allocation and improved communication efficiency by aggregating data units and prioritizing traffic classes through a transceiver and processing circuit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If buffer information for multiple traffic classes is transmitted separately, then each traffic class can be managed independently, but the overhead and complexity of resource allocation increases
Solution Approach 1:
The patent combines buffer information from multiple traffic classes into a single aggregated data unit. The access point receives buffer status reports from stations for different traffic classes and aggregates them into one resource allocation request, reducing the number of separate signaling exchanges and simplifying resource allocation management while maintaining per-traffic-class differentiation through scale factors.
Solution Approach 2:
The patent creates a universal resource allocation mechanism that handles multiple traffic classes through a single data unit structure. The aggregated buffer information field can accommodate different traffic classes simultaneously using scale factors, making the resource allocation protocol multi-functional and applicable to various traffic prioritization scenarios without requiring separate procedures for each traffic class.
2Measurement precision
If detailed buffer information is transmitted for each traffic class, then resource allocation accuracy improves, but the data unit size and transmission overhead increases
Solution Approach 1:
The patent introduces scale factors as parameters to represent buffer information for multiple traffic classes. Instead of transmitting separate buffer size values for each traffic class, the system uses a single buffer information field combined with scale factors that indicate the relative amount of data in each traffic class, thereby reducing the quantity of transmitted data while preserving allocation accuracy.
Solution Approach 2:
The patent segments the buffer information representation into a base buffer information value and multiple scale factors, one for each traffic class. This segmentation allows the system to convey differentiated buffer status across multiple traffic classes using a compact structure, where the scale factors provide the necessary granularity for accurate resource allocation without requiring full separate representations for each class.
3Productivity
If resource allocation is optimized for spectral efficiency, then communication channel usage improves, but the complexity of traffic prioritization and aggregation increases
Solution Approach 1:
The patent implements a self-service mechanism where stations automatically perform traffic classification and buffer information aggregation before submitting resource allocation requests. The access point then uses this pre-aggregated information to make resource allocation decisions, reducing the complexity of real-time traffic management at the access point while maintaining optimized spectral efficiency through informed resource allocation.
Data Source
AI summary
Aspects of the disclosure provide an apparatus for wireless communication. The apparatus includes a transceiver and a processing circuit. The transceiver is configured to transmit and receive wireless signals. The processing circuit is configured to configure a field within a data unit for buffer information report, determine a first scale factor for scaling a first value indicative of buffered traffic of a first category, and a second scale factor for scaling a second value indicative of buffered traffic of a category, configure the field to include the first scale factor with the first value and the second scale factor with the second value, and provide the data unit to the transceiver for transmitting to another apparatus that allocates resources for transmission between the two apparatuses.