Wireless Terminal Bandwidth Part Segmentation for Power and Spectrum Efficiency
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Solution Overview
Problem
Current wireless communication technologies, such as LTE LAA, are limited to operating on a single channel and do not support wideband operations, leading to inefficiencies in spectrum utilization and potential synchronization errors due to missing BWP changes.
Innovation Solution
The proposed solution involves a wireless communication method that allows operation on a wideband including multiple bandwidth parts (BWP) by using specific indication information to manage the monitoring of control resource sets, reducing power consumption and improving spectrum utilization through dynamic BWP management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a terminal monitors control resource sets on all configured bandwidth parts, then synchronization accuracy is improved, but power consumption increases
Solution Approach 1:
The patent segments the bandwidth parts into two categories: a first bandwidth part with a first numerology and a second bandwidth part with a second numerology. The terminal is configured to monitor control resource sets only on the first bandwidth part, while the second bandwidth part is excluded from monitoring. This segmentation allows the terminal to maintain synchronization accuracy on the monitored bandwidth part while reducing power consumption by not monitoring the other bandwidth part.
Solution Approach 2:
The patent applies local quality by assigning different monitoring requirements to different bandwidth parts. Specifically, the first bandwidth part is designated for control resource set monitoring with specific numerology characteristics, while the second bandwidth part has different characteristics and is not monitored for control resource sets. This localized differentiation enables the terminal to focus monitoring resources on specific bandwidth parts, achieving synchronization where needed while conserving energy elsewhere.
2Device complexity
If LTE LAA operates on a single channel, then channel access control is simplified, but spectrum utilization efficiency deteriorates
Solution Approach 1:
The patent segments the wideband spectrum into multiple bandwidth parts, each with its own numerology characteristics. By configuring different numerologies for different bandwidth parts, the system enables operation across multiple channels simultaneously while maintaining simplified channel access control within each bandwidth part. This segmentation allows efficient spectrum utilization without significantly increasing control complexity.
Solution Approach 2:
The patent introduces dynamic bandwidth part configuration, where the network can configure and reconfigure bandwidth parts and their associated numerologies based on traffic requirements and channel conditions. This dynamic approach allows the system to adaptively utilize spectrum resources, improving spectrum utilization efficiency while maintaining manageable control complexity through structured configuration mechanisms.
Data Source
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AI summary
Embodiments of this application provide a wireless communication method, a terminal, and a network device. In the embodiments of this application, an operation on a wideband that includes a plurality of bandwidth parts can be supported.