SRS Resource Utilization Flexibility in Wireless Terminals
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Solution Overview
Problem
In wireless communication systems, there is a challenge in optimizing the transmission of Sounding Reference Signals (SRS) to improve communication performance across various scenarios, as existing methods lack flexibility in resource utilization.
Innovation Solution
A wireless communication method and device that allows a terminal device to flexibly select a resource utilization scheme for SRS transmission on time domain resource units, involving frequency domain resource usage, antenna switching, and beam management, based on parameter configurations such as transmission bandwidth, antenna ports, and SRS types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a fixed resource utilization scheme is used for SRS transmission, then the system complexity is reduced, but the adaptability to different communication scenarios deteriorates
Solution Approach 1:
The patent implements dynamic resource utilization schemes where the terminal device can flexibly select different SRS transmission resources (time domain, frequency domain, spatial domain) based on current communication conditions. The network device configures multiple resource sets and the terminal adapts its selection according to channel state, traffic type, and QoS requirements, transforming the static resource allocation into a dynamic adaptive system.
Solution Approach 2:
The patent changes multiple parameters of SRS transmission resources including time domain parameters (slot offset, symbol position), frequency domain parameters (subcarrier spacing, bandwidth), and spatial parameters (antenna ports, beam directions). By providing a set of configurable parameters and allowing flexible combination, the system achieves adaptability without requiring completely different transmission schemes for each scenario.
2Adaptability or versatility
If flexible resource utilization schemes are provided for SRS transmission, then the adaptability to different scenarios is improved, but the device complexity increases
Solution Approach 1:
The patent segments the SRS transmission resources into independent configurable dimensions: time domain resources (different slots/symbols), frequency domain resources (different subcarrier sets), and spatial resources (different antenna ports and beams). Each dimension can be independently configured and selected, allowing the terminal to combine them flexibly without having to manage all parameters simultaneously, thus reducing complexity while maintaining adaptability.
Solution Approach 2:
The patent creates a universal resource configuration framework where a single set of configuration parameters and selection mechanisms can handle multiple communication scenarios (uplink data transmission, channel estimation, beam management, mobility). The same flexible resource selection apparatus serves multiple functions across different scenarios, avoiding the need for separate specialized mechanisms for each case.
3Reliability
If multiple resource utilization schemes are configured for SRS transmission, then the communication performance is improved, but the signaling overhead increases
Solution Approach 1:
The patent uses parameter-based configuration where multiple resource utilization schemes are represented as sets of configurable parameters (time offset, frequency resources, antenna ports, beam indices). The network device signals these parameter sets efficiently, and the terminal device selects appropriate parameters based on current conditions. This parameterized approach allows rich configuration flexibility while keeping signaling compact compared to explicit scheme descriptions.
Data Source
AI summary
Embodiments of the present application provide a wireless communication method and device. The method may include: a terminal device determines at least one time domain resource unit occupied by SRS transmission over an SRS resource; the terminal device determines a resource utilization mode used for transmitting the SRS on the at least one time domain resource unit; the terminal device performs, according to the determined resource utilization mode, the SRS transmission on the at least one time domain resource unit.