Terminal Multi-Band Switching Reporting for Uplink Rate and Spectrum Use
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Solution Overview
Problem
Current wireless communication technologies support only switching between two bands, limiting uplink transmission rate and spectrum utilization efficiency in 5G evolved versions.
Innovation Solution
A communication method and apparatus that allows a terminal device to report capability information for switching between multiple band set pairs, including at least three bands, enabling flexible data transmission and spectrum utilization by dynamically switching transmission branches based on data traffic and network configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the terminal device supports only switching between two bands, then the device complexity is reduced, but the uplink transmission rate and spectrum utilization efficiency are limited
Solution Approach 1:
The patent implements dynamic band switching by enabling the terminal device to switch transmitters between multiple bands (not limited to two) based on real-time data traffic requirements and network configuration. The device can dynamically select optimal band combinations from N band set pairs, allowing flexible adaptation to changing communication conditions while maintaining manageable complexity through standardized capability reporting mechanisms.
Solution Approach 2:
The patent changes the parameter of band switching capability from a fixed two-band limitation to a configurable multi-band capability. By introducing N band set pairs where each pair contains L bands (L≥2), the system allows the terminal to report and utilize multiple band combinations, effectively changing the band quantity parameter from 2 to potentially many more bands while maintaining systematic control through capability indication mechanisms.
2Productivity
If the terminal device switches transmission branch between more than two bands, then spectrum utilization efficiency is improved, but the signaling overhead increases
Solution Approach 1:
The patent applies preliminary action by having the terminal device pre-report its multi-band switching capability to the network device before actual data transmission begins. The capability information including N band set pairs and switching time is communicated in advance, allowing the network to understand the device's capabilities and configure appropriate multi-band switching strategies without requiring continuous signaling during operation.
Solution Approach 2:
The patent creates a universal capability reporting framework that can handle multiple band set pairs (N pairs) where each pair contains multiple bands (L bands). This multi-functional capability indication mechanism can accommodate various switching scenarios (2 bands, 3 bands, or more) using the same standardized reporting structure, reducing the need for separate signaling mechanisms for different band configurations.
3Adaptability or versatility
If the terminal device reports capability information for multiple band set pairs, then adaptability to different network configurations is improved, but the capability information size increases
Solution Approach 1:
The patent segments the capability information into structured components: N band set pairs where each pair contains L bands, with each band identified by frequency range indicators. This segmentation allows the capability information to be organized in a systematic manner that can be efficiently processed and stored, breaking down the large capability dataset into manageable units that can be individually configured and reported.
Data Source
AI summary
A communication method includes receiving a capability query message from a network device. The communication method also includes reporting capability information of a terminal device to the network device. The capability information includes an indication information set of N band set pairs, where N is a positive integer. Each piece of indication information in the indication information set is associated with one band set pair. The indication information indicates switching of a transmission branch performed by the terminal device between two band sets in the band set pair. The band set includes at least one of L bands in the band set pair, where L is an integer greater than or equal to 3.