Terminal Device Carrier Aggregation Transmission Direction Adaptation
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Solution Overview
Problem
In wireless network communication, terminal devices with carrier aggregation functions face inefficiencies due to idle time units when transmission direction types of component carriers are flexible or variable, leading to resource wastage and reduced system efficiency.
Innovation Solution
The method involves determining the sending and receiving manners of terminal devices based on target information, including configuration and transmission direction types of component carriers, to ensure optimal usage of system resources, even when transmission direction types are flexible or variable, thereby preventing idle time units and enhancing system efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the transmission direction type of a time unit is set to flexible or variable, then the terminal device can adapt to different transmission scenarios, but the corresponding time unit of another cell becomes idle causing resource waste
Solution Approach 1:
The patent applies dynamics by making the transmission direction configurable and changeable through RRC signaling. The network can dynamically adjust the transmission direction (uplink, downlink, or flexible) for each cell's time units based on actual communication needs, allowing the system to transition from static to adaptive operation without wasting resources
Solution Approach 2:
The patent implements local quality by allowing different transmission direction configurations for different cells independently. Each cell can have its own RRC configuration for transmission direction, enabling optimized local resource allocation in each cell while maintaining overall system efficiency
2Reliability
If the terminal device sets the corresponding time unit to idle when transmission direction is flexible, then the terminal device avoids conflicting transmission directions, but system efficiency is reduced due to unused resources
Solution Approach 1:
The patent changes the parameter of transmission direction from fixed to configurable through RRC signaling. By introducing configurable parameters (uplink, downlink, flexible) that can be adjusted via RRC reconfiguration, the system can optimize both reliability and efficiency by selecting appropriate transmission directions for each scenario rather than defaulting to idle
Data Source
AI summary
Embodiments of this application provide a wireless network communication method and a terminal device. The method includes: receiving, by a terminal device, information indicating a transmission direction type of a first time unit of a first component carrier and information indicating a transmission direction type of a corresponding second time unit of at least one second component carrier; and when the transmission direction type of the first time unit of the first component carrier of the terminal device is a flexible or variable transmission direction, determining, based on target information, sending and receiving manners of the terminal device in the corresponding second time unit of the at least one second component carrier.