User Terminal Resource Coordination for Asynchronous Multi-TRP Networks
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Solution Overview
Problem
In future radio communication systems, the lack of synchronization between multiple transmission points due to asynchronous networks or non-ideal backhaul leads to resource overlap, causing frequency and time domain offsets that deteriorate communication quality.
Innovation Solution
A user terminal is equipped with a receiving section to handle information about resources associated with multiple transmission points, including offsets and guard domains, allowing it to perform communication effectively by using this information to manage resource allocation and interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple transmission points are used to increase communication capacity and sophistication, then data rate and system capacity are improved, but synchronization errors and resource offsets are generated causing communication quality deterioration
Solution Approach 1:
The patent introduces a control section as an intermediary that receives resource information from multiple transmission points, calculates offset values and guard domains, and generates control signals to coordinate communication. This intermediary manages the complexity of multi-TRP operations and ensures proper resource allocation despite lack of synchronization between transmission points
Solution Approach 2:
The patent dynamically adjusts communication parameters including offset values and guard domain sizes based on the received resource information. By changing these parameters adaptively, the system can accommodate different transmission scenarios and maintain communication quality while utilizing multiple transmission points for enhanced capacity
2Productivity
If resources from multiple transmission points are allocated to increase data rate, then productivity is improved, but time and frequency domain offsets are generated leading to interference
Solution Approach 1:
The patent extracts and identifies the harmful offset effects by separately calculating offset values and guard domains for each transmission point. By isolating these offset parameters, the system can compensate for them individually and prevent interference between multiple transmission points while maintaining high data rates
3Device complexity
If asynchronous networks with non-ideal backhaul are used to simplify network architecture, then device complexity is reduced, but synchronization errors occur causing resource overlap and communication quality deterioration
Solution Approach 1:
The control section performs self-service by autonomously receiving resource information from multiple transmission points, calculating appropriate offset values and guard domains, and generating control signals without requiring centralized coordination. This self-service capability allows the system to operate reliably in asynchronous networks with non-ideal backhaul while maintaining communication quality
Data Source
AI summary
A user terminal includes: a receiving section that receives information related to a plurality of resources respectively associated with a plurality of transmission points, wherein at least one of an offset and a guard domain is present between the plurality of resources; and a control section that performs communication with the plurality of transmission points based on the information. According to one aspect of the present disclosure, it is possible to appropriately perform communication that uses a plurality of transmission points.