Beam Scanning Using Beam Splitting for Faster Terahertz Switching
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Solution Overview
Problem
In high-frequency communication, particularly in the terahertz frequency band, beam splitting occurs due to phase changes of frequencies away from the center frequency point, leading to decreased gain and overall system performance.
Innovation Solution
A beam scanning method that utilizes resource configuration information to determine resources for beam scanning using beams formed by beam splitting, adapting to the terminal's capabilities and improving scanning efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If beam scanning is performed using traditional single-beam methods, then beam directionality is maintained, but scanning efficiency is low and time consumption is high
Solution Approach 1:
The patent divides the beam scanning process into multiple parallel beam paths by utilizing beam splitting. Instead of scanning sequentially through different beam directions using a single beam, the system creates multiple beams simultaneously through splitting and scans them in parallel, thereby reducing scanning time and improving efficiency.
Solution Approach 2:
The patent introduces a frequency dimension to the beam scanning process by utilizing different frequency components (center frequency and split frequencies) to generate multiple beams simultaneously. This dimensional approach allows parallel scanning across different spatial directions while maintaining beam directionality, effectively reducing the time required for complete beam scanning.
2Productivity
If beam splitting is used to improve scanning efficiency, then multiple beams can be formed simultaneously, but beam directionality and gain are compromised due to phase changes
Solution Approach 1:
The patent applies different frequency components to different spatial directions to maintain optimal beam characteristics. By assigning specific frequencies to specific beam paths and using frequency-selective processing, the system maintains beam directionality and gain in each local beam direction while still achieving parallel scanning across multiple directions.
Solution Approach 2:
The patent utilizes frequency as a variable parameter to control beam characteristics. By changing the frequency of each beam path according to its spatial direction and utilizing frequency-selective processing techniques, the system compensates for phase changes and maintains optimal beam gain and directionality while enabling simultaneous multi-directional scanning.
3Adaptability or versatility
If traditional beam scanning is used, then beam directionality is maintained, but the system cannot adapt to changing channel conditions efficiently
Solution Approach 1:
The patent performs beam splitting and creates multiple beam paths in advance before actual communication begins. This preliminary preparation allows the system to have multiple pre-formed beams ready for immediate use, enabling rapid adaptation to changing channel conditions without requiring time-consuming beam formation during critical communication periods.
Solution Approach 2:
The patent enables continuous and simultaneous beam scanning across multiple directions through frequency-division multiplexing. Instead of sequentially switching between beam directions which creates interruptions, the system maintains continuous scanning operation by processing different frequency components simultaneously, ensuring uninterrupted channel quality assessment and rapid adaptation capability.
Data Source
AI summary
A beam scanning method, performed by a terminal. The method includes receiving resource configuration information that is sent by a base station according to a beam splitting capability supported by the terminal. The resource configuration information is configured for the terminal to determine resources for beam scanning using a beam formed by beam splitting.