Multi-Carrier BWP Hopping for Frequency Diversity Gain
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Solution Overview
Problem
Existing wireless communication systems face challenges in achieving frequency diversity gain and mitigating interference, particularly in frequency ranges where beamforming is used, as the limited bandwidth per component carrier (CC) does not provide sufficient frequency hopping benefits.
Innovation Solution
Configuring user equipment (UE) to perform frequency hopping across bandwidth parts (BWPs) in different component carriers (CCs), allowing communication on a first frequency in a first time period and switching to a second frequency in a second time period, thereby enhancing frequency diversity gains and reducing interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If frequency hopping is performed within a single component carrier, then frequency diversity gain is provided, but the bandwidth is limited and interference mitigation is insufficient
Solution Approach 1:
The patent combines multiple component carriers into a unified frequency hopping framework, allowing the UE to hop across BWPs in different CCs. This merging approach extends the effective hopping bandwidth beyond what is available in a single CC, thereby improving both frequency diversity gain and interference mitigation capabilities.
Solution Approach 2:
The patent introduces an additional dimension to frequency hopping by enabling hops across multiple component carriers. Instead of hopping only within the frequency dimension of a single CC, the system now operates in a multi-dimensional frequency space spanning multiple CCs, significantly expanding the available bandwidth for diversity and interference management.
2Reliability
If bandwidth per component carrier is increased, then frequency hopping benefits are improved, but device complexity and resource allocation difficulty increase
Solution Approach 1:
The patent segments the overall frequency hopping operation into manageable units by defining specific hopping patterns for each BWP within CCs and establishing rules for inter-CC transitions. This segmentation allows the complex multi-CC hopping to be broken down into simpler, rule-based decisions, reducing the effective complexity for both the UE and network.
Solution Approach 2:
The patent introduces dynamic elements to the frequency hopping mechanism by allowing adaptive selection of hopping patterns, BWP configurations, and inter-CC transition timing. This dynamic approach enables the system to optimize frequency hopping benefits while managing complexity through flexible, condition-based resource allocation rather than rigid fixed patterns.
Data Source
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AI summary
Aspects described herein relate to receiving or determining an indication of multiple component carriers (CCs) configured wireless communications, communicating in a first bandwidth part (BWP) within a first one of the multiple CCs during a first time period, and communicating, based on a hopping pattern, in a second BWP within a second one of the multiple CCs during a second time period.