UE Beamforming Configuration Synchronization via Capability Indication
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing beamforming configurations between user equipment (UE) and base stations, leading to power consumption, communication latency, and resource wastage due to misalignment in supported beamforming capabilities.
Innovation Solution
The method involves UE and base stations exchanging indications of supported beamforming configurations, allowing them to synchronize on a compatible configuration for communication, using architectures like Butler matrices and vector sum modulators to conserve resources and improve beam steering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If beamforming configurations are exchanged and synchronized between UE and base station, then communication reliability and resource efficiency are improved, but device complexity and signaling overhead increase
Solution Approach 1:
The UE performs self-configuration of beamforming parameters before communication establishment. The capability indication message pre-notifies the base station of supported beamforming configurations, allowing the base station to select compatible parameters in advance without requiring complex real-time negotiation or configuration exchange during communication setup.
Solution Approach 2:
The UE autonomously configures its own beamforming parameters based on its internal capabilities and selects appropriate configurations without requiring the base station to provide detailed configuration instructions. This self-service approach reduces the complexity of configuration management at both the UE and base station sides.
2Adaptability or versatility
If beamforming capability indication is transmitted, then adaptability of beamforming configurations is improved, but use of energy and signaling resources increases
Solution Approach 1:
The UE transmits a capability indication message that provides more beamforming capability information than strictly necessary for basic communication. This excessive information provision allows the base station to select appropriate configurations without requiring additional signaling exchanges, ultimately reducing total energy consumption despite the initial overhead of the capability indication message.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of a capability to use a set of beamforming configurations associated with a beamforming circuit architecture of the UE. The UE may receive an indication of a selected beamforming configuration to use for one or more communications. Numerous other aspects are described.