Multi-Panel Wireless Device Random Access Procedure
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Solution Overview
Problem
Current wireless communication networks face challenges in efficiently managing traffic load and optimizing communication protocols across diverse wireless devices and base stations, particularly in heterogeneous networks with varying technologies and capabilities, leading to suboptimal performance and resource utilization.
Innovation Solution
The implementation of a flexible and configurable architecture that selectively applies New Radio (NR) protocols and bandwidth adaptation strategies, allowing for dynamic configuration of wireless devices and base stations to adapt to traffic conditions, device capabilities, and network configurations, enabling efficient resource allocation and improved communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple panels are configured for a wireless device, then the device can communicate with multiple transmission reception points simultaneously, but the device complexity increases
Solution Approach 1:
The patent segments the communication functionality by dividing the single radio resource management entity into separate panel-specific RRC entities. Each panel can be independently configured and managed, allowing the wireless device to handle multiple TRPs through distinct panel configurations rather than a monolithic complex structure.
Solution Approach 2:
The patent introduces a new dimension of panel-based organization to the existing RRC architecture. By adding the panel as an intermediate layer between the device and TRPs, it creates a hierarchical structure that manages complexity through dimensional expansion rather than direct pairwise connections.
2Adaptability or versatility
If a single RRC entity manages all radio resources, then the management is simplified, but it cannot efficiently handle multiple TRPs with different configurations
Solution Approach 1:
The patent segments the monolithic RRC entity into multiple panel-specific RRC entities, where each entity manages radio resources for a specific panel independently. This segmentation allows each RRC entity to handle TRP-specific configurations efficiently while maintaining overall system coordination.
Solution Approach 2:
The patent implements local quality by allowing different RRC entities to have different configuration parameters and management strategies optimized for their specific panels. Each panel-RRC combination can be tailored to its specific TRP requirements, enabling localized optimization without affecting other panels.
3Productivity
If panel-specific RRC entities are implemented, then efficient management of multiple TRPs is achieved, but the overall system complexity increases
Solution Approach 1:
The patent merges multiple panel-specific RRC entities under a unified RRC framework that coordinates their operations. While each panel has its own RRC entity for independent management, they are combined into a cohesive system through shared configuration mechanisms and coordinated resource allocation, achieving efficiency without isolated complexity.
Solution Approach 2:
The patent creates universal RRC entities that can function across multiple panels and TRP configurations. These entities are designed with multi-functional capabilities to handle various TRP types, configurations, and communication scenarios, reducing the need for specialized complex entities for each specific case.
Data Source
AI summary
A wireless device receives configuration parameters indicating a first antenna panel and a second antenna panel. A first preamble of a first random access procedure is transmitted via the first antenna panel. The wireless device switches from the first antenna panel to the second antenna panel. In response to the switching, the first random access procedure is stopped and a second random access procedure based on the second antenna panel is initiated.