Default Beam Configuration for High-Speed Multi-TRP Links
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Wireless communication devices face challenges in maintaining accurate signal transmission and reception, especially at high speeds, which can strain battery life and require improved power management, while also adapting to various movement contexts.
Innovation Solution
Implementing apparatuses and methods for configuring default beam techniques in a high-speed single frequency network scenario, including establishing cellular links with user equipment (UE) and base stations, determining control resource set transmission configuration indications, and using default beams for communications with transmission reception points (TRPs) to optimize signal transmission and reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional wireless communication techniques are used at high speeds, then signal transmission can be maintained, but signal accuracy deteriorates and power consumption increases
Solution Approach 1:
The network configures default TCI states and default beams in advance for high-speed scenarios. When a UE enters a high-speed state, these pre-configured parameters are immediately activated without requiring real-time measurement and configuration exchanges, thus maintaining signal accuracy while reducing power consumption by avoiding continuous beam management operations
Solution Approach 2:
The patent introduces specific parameter configurations for high-speed scenarios including default TCI state indices, default beam identifiers, and threshold values for speed detection. These parameter changes enable the system to adapt to high-speed conditions by switching to optimized configuration sets that maintain signal accuracy with reduced processing and measurement overhead
2Reliability
If beam configuration is continuously optimized for high-speed movement, then signal accuracy is maintained, but device complexity and processing requirements increase
Solution Approach 1:
Default TCI states and beam configurations are pre-established by the network for high-speed scenarios. The UE simply activates these pre-configured parameters when entering high-speed state, avoiding complex real-time beam management procedures and reducing device complexity while maintaining communication reliability
Solution Approach 2:
The patent extracts the complex beam management functionality from real-time operation and separates it into pre-configured default parameters. This extraction removes the burden of continuous beam optimization from the high-speed operation, simplifying device complexity while maintaining reliability through the use of predetermined optimized configurations
3Reliability
If multiple TCI states are configured for different TRPs, then communication reliability improves, but configuration complexity and signaling overhead increase
Solution Approach 1:
Multiple TCI states for different TRPs are pre-configured and associated with specific high-speed scenarios. The UE activates the appropriate pre-configured TCI states based on detected movement conditions, maintaining multi-TRP communication reliability while avoiding complex real-time configuration management
Solution Approach 2:
Different TCI state configurations are assigned to different TRPs and different high-speed scenarios. Each TRP has its own optimized TCI state parameters tailored to its specific characteristics and the UE's movement pattern relative to that TRP, improving reliability through localized optimization without requiring global reconfiguration
Data Source
AI summary
A base station may establish a cellular link with a user equipment (UE) according to a single frequency network scheme. The base station may then determine one or more control resource set (CORESET) transmission configuration indication (TCI) states and transmit signaling to configure the UE with the one or more CORESET TCI states. Additionally or alternatively, the one or more CORESET TCI states may be useable by the UE in performing communications with at least one of a first transmission reception point (TRP) and a second TRP associated with the cellular link with the cellular network.