EHT PPDU RU Allocation Table for OFDMA Throughput
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Solution Overview
Problem
Current wireless communication networks face limitations in achieving extremely high throughput data transmission, particularly in channel allocation and resource unit allocation, which hinders efficient data transfer in high-demand applications.
Innovation Solution
The implementation of an Extremely High Throughput (EHT) Physical layer (PHY) Protocol Data Unit (PPDU) format using Orthogonal Frequency-Division Multiple Access (OFDMA) techniques, including a Resource Unit (RU) allocation table, to optimize channel utilization and enhance data transmission efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional channel allocation methods are used, then device complexity is reduced, but data throughput is limited and cannot achieve extremely high speeds
Solution Approach 1:
The channel is divided into multiple Resource Units (RUs) of different sizes, allowing flexible allocation to different users and applications. This segmentation enables the system to achieve extremely high throughput by optimizing resource distribution across multiple segments rather than treating the channel as a single unit.
Solution Approach 2:
The RU allocation is dynamically adjusted based on channel conditions, user requirements, and traffic demands. The system can flexibly change the size and distribution of RUs in real-time, enabling adaptive optimization of data throughput while managing complexity through intelligent control algorithms.
2Productivity
If traditional resource allocation tables are used, then ease of operation is maintained, but channel bandwidth utilization is insufficient for high-demand applications
Solution Approach 1:
The system changes the parameters of resource allocation by introducing a detailed RU allocation table that specifies various RU sizes (e.g., 26, 52, 106, 242 tones) and their corresponding allocation patterns. This allows the system to optimize channel bandwidth utilization for different scenarios while maintaining ease of operation through standardized allocation rules and tables.
3Productivity
If OFDMA techniques are not implemented, then device complexity is lower, but data transmission efficiency cannot be enhanced for high-throughput applications
Solution Approach 1:
The OFDMA framework provides multi-functionality by enabling simultaneous support for multiple users, multiple RU sizes, and various allocation patterns within a single system. This universal approach allows the system to achieve high data transmission efficiency while managing complexity through a unified OFDMA architecture that handles diverse requirements.
Data Source
AI summary
For example, an Extremely High Throughput (EHT) wireless communication station (STA) may be configured to set a Resource Unit (RU) allocation subfield in an EHT Signal (SIG) field to indicate an RU assignment for an Orthogonal Frequency Division Multiple Access (OFDMA) EHT Physical layer (PHY) Protocol Data Unit (PPDU) according to a predefined RU allocation table, the RU assignment for the OFDMA EHT PPDU comprising a Multiple Resource Unit (MRU) comprising a plurality of RUs; and transmit the OFDMA EHT PPDU comprising the EHT SIG field.