EHT Segment Parser for MRU Bit Distribution
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Solution Overview
Problem
Existing wireless local area network (WLAN) technologies, particularly those adhering to the IEEE 802.11be draft standard for Extremely High Throughput (EHT), face challenges in distributing encoded bits across multiple resource units (MRUs) with varying frequency segments, as current methods lack an effective technique for bit allocation.
Innovation Solution
The implementation of a segment parser that uses a proportional round-robin segmenting process to encode and distribute bits across different frequency segments of an MRU, ensuring efficient bit allocation based on segment size and spatial stream indices, as defined by specific equations and schemes applicable to various modulation and coding schemes (MCS) across multiple spatial streams and resource units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a multiple resource unit (MRU) comprises several resource units (RUs) with different frequency segment sizes, then the bandwidth utilization is improved, but the bit distribution complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the encoded bit sequence into multiple segments that correspond to different frequency segments of the MRU. Each frequency segment receives an appropriate number of bits based on its size, allowing efficient distribution across multiple RUs while maintaining proportional representation. This resolves the contradiction by systematically breaking down the complex distribution problem into manageable segments.
Solution Approach 2:
The patent implements local quality by allocating bits to different frequency segments according to their specific characteristics and sizes. Larger frequency segments receive more bits while smaller segments receive fewer bits, ensuring that each local segment (frequency segment) receives quality (bit allocation) proportional to its capacity. This resolves the contradiction by tailoring the bit distribution to local segment requirements rather than applying a uniform approach.
2Productivity
If bits are distributed across multiple frequency segments with different sizes, then the transmission efficiency is improved, but the allocation precision requirement increases
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the number of bits allocated to each frequency segment based on segment size parameters. The bit allocation formula incorporates the frequency segment size as a key parameter, allowing the system to adaptively change bit distribution parameters to match the physical characteristics of each segment. This resolves the contradiction by making bit allocation precision achievable through parameter-based adaptation rather than fixed allocation.
Solution Approach 2:
The patent implements preliminary action by pre-calculating the bit distribution sequence before transmission based on known frequency segment configurations. The system determines the optimal bit allocation for each segment in advance, creating a predetermined distribution pattern that ensures precision while maintaining efficiency. This resolves the contradiction by performing the complex allocation calculation beforehand, ensuring precision without real-time complexity.
Data Source
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AI summary
An extremely high-throughput (EHT) station (STA) configured for operation in a wireless local area network (WLAN) is described herein. For an EHT physical layer conformance procedure (PLCP) protocol data unit (PPDU) with a multiple resource unit (MRU) that is greater than 80 MHz, the EHT STA configures a segment parser to encode a data field of the EHT PPDU. The segment parser may generate a bit distribution sequence in accordance with a proportional round robin segmenting process by assigning consecutive groups of s bits to different frequency segments of the MRU in a round robin fashion. The number of bits in a group is based on a size of the frequency segment for the group. In some embodiments, the EHT STA may encode the EHT PPDU for transmission. The data field is transmitted on tones of the different frequency segments.