Hybrid Beamforming Power Bridge for Stable Common Channel Beams
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In hybrid beamforming architectures, frequent adjustments of antenna weights to maintain optimal traffic channel performance lead to unstable common channel transmit beams, reducing signal transmit power and coverage area.
Innovation Solution
Introduce a power bridge at the base station to aggregate signals from phase shifters with dynamically adjustable phases to those with fixed phases, using baseband weights and bridge parameters to superimpose and enhance signal power, maintaining beam stability and coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If antenna weight is frequently adjusted to maintain optimal traffic channel performance, then traffic channel performance is improved, but common channel beam stability deteriorates
Solution Approach 1:
The patent divides the phase shifters into two independent groups: one group dedicated to traffic channels with dynamically adjustable phases, and another group dedicated to common channels with fixed phases. This segmentation allows each group to operate independently, enabling frequent antenna weight adjustments for traffic channels without affecting common channel beam stability.
2Stability of the object's composition
If common channel uses only some radio-frequency channels with fixed phase, then beam stability is improved, but signal transmit power deteriorates
Solution Approach 1:
The patent merges the common channel signal transmission across multiple radio-frequency channels while maintaining fixed phase relationships. By combining signals from multiple RF channels through the power bridge circuitry, the system achieves both beam stability (through fixed phases) and sufficient transmit power (through signal aggregation across multiple channels).
Data Source
AI summary
Embodiments of this application disclose a signal processing method and a related apparatus, to increase a signal transmit power and a beam coverage area. The method in embodiments of this application includes: receiving a first signal from a radio-frequency channel, where the radio-frequency channel is separately connected to a first phase shifter and a second phase shifter, a destination antenna array of the first signal is an antenna array corresponding to the first phase shifter, the first phase shifter is a phase shifter with a dynamically adjusted phase, and the second phase shifter is a phase shifter with a fixed phase; and sending a first signal processed through a power bridge to the second phase shifter.