Directional Fixed Frame Period Beam Association
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing semi-static channel access in unlicensed spectrum, particularly when using directional fixed frame periods (FFP) for beam-based operations.
Innovation Solution
The implementation of procedures for semi-static channel access with directional FFP, where user equipment (UE) receives configurations for multiple FFPs each associated with a separate transmit beam, allowing for communication activities like transmissions or receptions during initiated FFPs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If semi-static channel access is used in unlicensed spectrum, then channel access efficiency is improved, but interference management becomes more difficult
Solution Approach 1:
The patent segments the unlicensed spectrum channel access into multiple directional Fixed Frame Periods (FFPs), each associated with a specific transmit beam. This segmentation allows the system to maintain semi-static channel access efficiency while managing interference on a per-beam basis, reducing the harmful effects of interference in specific directions while preserving overall channel access productivity.
2Measurement precision
If directional beam-based operations are implemented, then communication precision is improved, but system complexity increases
Solution Approach 1:
The patent divides the beam management function into separate directional FFP configurations, where each FFP is associated with a specific transmit beam. This segmentation enables precise beam management for each directional transmission while keeping the overall system complexity manageable by handling beam configurations in discrete, organized units rather than as a monolithic complex system.
Solution Approach 2:
The patent implements dynamic beam selection where the UE identifies and activates specific FFPs based on current communication needs. The system dynamically switches between different directional FFP configurations, allowing precise beam management when needed while potentially using fewer active beams at any given time, thus balancing precision requirements with system complexity.
3Productivity
If multiple fixed frame periods are configured for different beams, then communication efficiency is improved, but configuration complexity increases
Solution Approach 1:
The patent segments communication resources into multiple FFP configurations, each optimized for specific directional beams. This segmentation improves communication efficiency by allowing simultaneous or alternating use of multiple beams for different data streams or directions. The configuration complexity is managed by organizing these segmented FFPs in a structured manner, where each FFP configuration is self-contained and can be independently managed.
Solution Approach 2:
The patent creates a universal FFP configuration framework that can serve multiple directional beams. Each FFP configuration follows a standardized structure that can be applied universally across different beams, reducing the overall configuration complexity. The system uses a common set of FFP parameters and structures that can be instantiated for multiple beams, providing multi-functionality without proportionally increasing complexity.
Data Source
AI summary
Apparatuses, methods, and systems are disclosed for semi-static channel access with directional FFP. One method (800) includes receiving (805) a configuration for a plurality of FFPs, where each FFP is associated with a separate transmit beam for transmission within that FFP. The method (800) includes identifying (810) an initiated FFP and performing (815) communication activity during the initiated FFP using a beam corresponding to the initiated FFP, where the communication activity includes a transmission, a reception, or a combination thereof.