Dynamic Co-phasing Factor Beamforming for Wireless Clusters
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Solution Overview
Problem
Current wireless communication technologies, such as LTE and NR, face challenges in efficiently managing beamforming due to limitations in codebook-based approaches, which do not fully leverage phase and amplitude control combinations, leading to suboptimal performance and increased latency in beam switching and management, especially in mmWave environments with multiple clusters and frequent blockages.
Innovation Solution
The implementation of a dynamic beamforming method using a co-phasing factor to determine and refine transmit and receive beams, allowing for the generation of co-phased beams that account for phase offsets between multiple clusters, thereby improving radio performance and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If codebook-based beamforming is used, then beam management is simplified, but performance becomes suboptimal and latency increases
Solution Approach 1:
The patent implements dynamic beamforming where the transmitter determines co-phasing factors in real-time based on channel conditions and transmitter beamforming weights, rather than using static codebook-based approaches. This dynamic adaptation enables faster beam switching and optimal performance while maintaining manageable complexity through structured feedback mechanisms.
Solution Approach 2:
The patent changes the fundamental parameter from selecting pre-defined codebook entries to dynamically determining co-phasing factors that adjust phase and amplitude relationships between antenna elements. This parameter transformation enables continuous optimization of beamforming weights rather than discrete codebook selection, improving both performance and switching speed.
2Ease of manufacture
If codebook-based beamforming is used, then implementation is straightforward, but phase and amplitude control combinations are not fully leveraged
Solution Approach 1:
The patent transforms the beamforming approach from discrete codebook selection to continuous parameter optimization by dynamically determining co-phasing factors. This enables full exploitation of phase and amplitude control combinations across antenna elements, achieving optimal radio performance while maintaining implementation feasibility through structured feedback and calculation procedures.
Solution Approach 2:
The patent performs preliminary determination of co-phasing factors at the transmitter based on channel conditions and transmitter beamforming weights before actual data transmission. This preliminary action optimizes the beamforming configuration in advance, ensuring reliable performance while simplifying the real-time transmission process.
3Device complexity
If traditional beamforming is used, then system complexity is lower, but adaptability to changing channel conditions and multiple clusters is reduced
Solution Approach 1:
The patent implements dynamic beamforming where co-phasing factors are continuously determined based on current channel conditions, transmitter beamforming weights, and receiver feedback. This dynamic approach enables rapid adaptation to changing environments and multiple clusters while maintaining manageable system complexity through efficient feedback mechanisms and structured calculations.
Solution Approach 2:
The patent incorporates feedback loops where the receiver measures channel conditions and transmits beamforming weight information back to the transmitter. This feedback mechanism enables the transmitter to adaptively adjust co-phasing factors and beamforming weights to match changing channel conditions and cluster configurations, achieving high adaptability without excessive complexity.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. A first wireless communication device determines a co-phasing factor between at least two transmit beams transmitted by a second wireless communication device. The co-phasing factor is determined for generation of at least one co-phased beam by the second wireless communication device. The first wireless communication device transmits information to the second wireless communication device identifying the co-phasing factor. Numerous other aspects are provided.