Distributed-Tone Resource Unit Transmission on Frequency Subblock
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Solution Overview
Problem
Current wireless communication technologies lack a defined method for transmitting distributed-tone resource units (DRUs) on frequency subblocks or segments of wide bandwidths, such as 240 MHz, 320 MHz, 480 MHz, or 640 MHz, which is essential for enhancing coverage range in low-power indoor systems.
Innovation Solution
The proposed solution involves a processor generating DRUs with tones distributed in frequency segments or subblocks of wider system bandwidths, enabling mixed-distribution bandwidth operations, and using a transceiver to communicate wirelessly with DRUs in these bandwidths, allowing DRU transmission on various frequency subblock sizes within a wider system bandwidth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If DRU transmission is implemented on frequency subblocks of wider bandwidths (240 MHz, 320 MHz, 480 MHz, or 640 MHz), then coverage range and adaptability are improved, but device complexity and implementation difficulty increase due to lack of defined methods
Solution Approach 1:
The patent divides the wide bandwidth into multiple frequency subblocks, each capable of carrying DRU transmissions independently. This segmentation allows the system to handle wide bandwidths by processing smaller, manageable frequency segments separately, reducing implementation complexity while maintaining adaptability across different bandwidth configurations
Solution Approach 2:
The patent enables dynamic selection of frequency subblocks for DRU transmission based on channel conditions, interference levels, and traffic requirements. This dynamic approach allows the system to adapt to varying conditions without requiring complex static configurations for each possible bandwidth scenario
2Adaptability or versatility
If DRU transmission is implemented on frequency subblocks of wider bandwidths, then system adaptability and coverage are improved, but ease of operation deteriorates due to undefined transmission methods
Solution Approach 1:
The patent develops universal DRU transmission methods that work across multiple bandwidth configurations (240 MHz, 320 MHz, 480 MHz, 640 MHz) and different frequency subblock arrangements. This universal approach simplifies operation by providing a consistent framework that can be applied regardless of the specific bandwidth or subblock configuration being used
3Power
If tones are distributed across frequency segments or subblocks, then power distribution and coverage are improved, but manufacturing precision and signal distribution accuracy become more challenging
Solution Approach 1:
The patent pre-defines tone distribution patterns and mapping relationships between resource units and frequency subblocks before actual transmission occurs. This preliminary configuration ensures that tones are distributed with high precision across frequency segments, eliminating the need for complex real-time calculations while maintaining accurate power distribution
Solution Approach 2:
The patent uses standardized, pre-defined tone distribution patterns that can be quickly applied and discarded for different transmission scenarios. These standardized patterns simplify the distribution process by providing ready-to-use configurations rather than requiring custom precision calculations for each transmission instance
Data Source
AI summary
Techniques pertaining to distributed-tone resource unit (DRU or dRU) transmission of frequency subblocks or frequency segments of wide bandwidths in wireless communications are described. An apparatus (e.g., station (STA)) generates a DRU with tones or subcarriers of the DRU distributed in a frequency segment or subblock. The apparatus then communicates wirelessly with the DRU in the frequency segment or subblock of a bandwidth of 240 MHz or wider.