Dynamic BWP Configuration for ADC/DAC Resolution Adaptation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current bandwidth part configurations in UL/DL communication lack flexibility in adapting to varying ADC/DAC resolutions, leading to inefficiencies in power consumption and data processing, particularly in high-frequency bands like Sub-THz scenarios.
Innovation Solution
The implementation of a method that allows user equipment (UE) to perform initial access using a first bandwidth part configuration and indicate its capability for higher resolution communication, with the base station providing an indication to switch to a second bandwidth part configuration supporting higher ADC/DAC resolutions, thereby optimizing bandwidth usage and power management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed bandwidth part configuration is used for initial access, then device compatibility and simplicity are improved, but adaptability to varying ADC/DAC resolutions deteriorates
Solution Approach 1:
The patent implements dynamic bandwidth part configuration where the initial bandwidth part configuration is adjusted based on detected ADC/DAC resolution capabilities. The system transitions from a static configuration to a dynamic one that adapts to device-specific characteristics, allowing optimal bandwidth allocation matched to the actual resolution capabilities of the ADC/DAC components.
Solution Approach 2:
The patent changes the bandwidth part configuration parameters based on the detected resolution capability. By detecting whether the device has high or low resolution ADC/DAC and subsequently configuring appropriate bandwidth parts, the system modifies operational parameters to match hardware capabilities, resolving the contradiction between simplicity and adaptability.
2Measurement precision
If higher ADC/DAC resolution is used, then measurement precision and data processing quality are improved, but power consumption increases
Solution Approach 1:
The patent applies partial action by using high-resolution ADC/DAC only when necessary. The system first performs initial access with a standard configuration, then detects resolution capability and only switches to high-resolution mode when the device actually supports it. This avoids the continuous power overhead of high-resolution operation for all devices, implementing resolution usage only partially when needed.
Solution Approach 2:
The system performs self-detection of ADC/DAC resolution capability through the bandwidth part configuration process. By having the device indicate its resolution capability during initial access and the network automatically configuring appropriate bandwidth parts, the system achieves automatic power optimization without requiring manual intervention or continuous high-power operation.
3Productivity
If bandwidth part configuration is optimized for high resolution, then data processing efficiency is improved, but compatibility with low resolution devices deteriorates
Solution Approach 1:
The patent implements a universal initial bandwidth part configuration that serves both high-resolution and low-resolution devices. The initial configuration is designed to be compatible with all device types, and then the system branches into device-specific optimized configurations based on detected capabilities. This multi-functional approach allows the same initial configuration to serve universal compatibility while enabling specialized optimization when applicable.
Solution Approach 2:
The patent segments the bandwidth part configuration into two distinct phases: an initial universal configuration phase that ensures compatibility with all devices, and a subsequent device-specific optimization phase. This segmentation allows the system to first establish broad compatibility and then divide into separate configuration paths for high-resolution and low-resolution devices, achieving both universal access and targeted optimization.
Data Source
AI summary
A method comprising: performing initial access using a first DL BWP associated with a low dynamic range for ADC and/or a first UL BWP associated with a low dynamic range for DAC; indicating UE capability to the gNB, the UE capability indicating that the UE is capable of operating with a high dynamic range for at least one of ADC and DAC; receiving an indication from the gNB, the indication instructing the UE to start operating with a second DL BWP associated with a high dynamic range for ADC and/or a second UL BWP associated with a high dynamic range for DAC; and receiving at least one PDSCH via the second DL BWP and/or transmit at least PUSCH via the second UL BWP.