Dual-Frequency Wireless System Adaptive Band Switching
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Solution Overview
Problem
Existing dual-frequency integrated communication systems cannot adaptively switch between C-band and millimeter wave bands based on current channel conditions, leading to potential interruptions in data transmission.
Innovation Solution
A method for wireless communication that involves transmitting detection signals on a secondary frequency band, generating channel condition information, and selecting the current data transmission frequency band based on this information and traffic requirements, allowing for adaptive switching between C-band, millimeter wave, or cooperative transmission modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system operates only on C-band frequency, then the technology maturity and signal penetrability are improved, but the spectrum width and data transmission speed are limited
Solution Approach 1:
The patent combines C-band and millimeter wave frequency bands into a dual-frequency integrated system, allowing the system to merge the penetrability advantages of C-band with the high-speed transmission advantages of millimeter wave, thereby resolving the contradiction between reliability and productivity
Solution Approach 2:
The patent implements dynamic frequency band switching based on real-time channel conditions, allowing the system to adaptively select between C-band and millimeter wave bands, transforming the static single-band operation into dynamic multi-band operation to balance penetrability and transmission speed
2Productivity
If the system uses millimeter wave band for high speed transmission, then the spectrum width and data rate are improved, but the signal penetrability and coverage are reduced
Solution Approach 1:
The patent merges millimeter wave and C-band operations in a unified dual-frequency system, enabling the system to use millimeter wave for high-speed transmission when conditions permit while falling back to C-band for penetrability, thus combining the advantages of both frequency bands
Solution Approach 2:
The patent implements real-time channel condition detection and feedback mechanisms that monitor signal quality and automatically trigger frequency band switching, allowing the system to maintain high-speed millimeter wave transmission while providing feedback-driven fallback to C-band when penetrability becomes insufficient
3Stability of the object's composition
If the system switches frequency bands only when link is interrupted, then the system stability is improved, but the adaptability to channel conditions is reduced
Solution Approach 1:
The patent performs preliminary channel condition detection and evaluation before link interruption occurs, allowing the system to proactively switch frequency bands based on predicted channel quality rather than reactively switching only after interruption, thus maintaining both stability and adaptability
4Adaptability or versatility
If the system implements adaptive frequency band switching based on real-time channel conditions, then the adaptability and transmission reliability are improved, but the system complexity increases
Solution Approach 1:
The patent segments the frequency band selection function into separate modules: channel condition detection module, channel quality evaluation module, and frequency band switching control module. This segmentation reduces system complexity by making each module independent and manageable while maintaining overall adaptability
Data Source
AI summary
A method, base station and user equipment are provided for wireless communication. The method can include steps: transmitting data on a first frequency band; transmitting, on a second frequency band, a detection signal for detecting a channel condition of the second frequency band; generating channel condition information about the second frequency band based on the received detection signal; feeding back the channel condition information via the first frequency band; and selecting a current data transmission frequency band based at least in part on the feedback channel condition information about the second frequency band and/or traffic requirement information; wherein the current data transmission frequency band is any one of the first frequency band, the second frequency band or a cooperative transmission of the first frequency band with the second frequency band.