Uplink SRS Beam Management via Transmission Unit Segmentation
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing uplink transmission, particularly in supporting high data rates and low latency, especially with the increasing number of connected devices, due to limitations in beam management and resource allocation.
Innovation Solution
A method for performing uplink transmission by configuring and transmitting a sounding reference signal (SRS) with specific transmission units, including identification information for both transmission and reception units, to enable effective beam management and synchronization between user equipment and base stations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If beam management is performed using traditional methods without transmission unit consideration, then device complexity is reduced, but uplink transmission reliability deteriorates
Solution Approach 1:
The patent segments the uplink transmission system into distinct transmission units (e.g., antenna groups, panels, beams) and configures SRS resources specifically for each transmission unit. This segmentation enables independent beam management for each unit, improving uplink transmission reliability by ensuring that beam failures in one unit do not affect others, while the modular approach actually reduces overall system complexity through organized resource allocation.
Solution Approach 2:
The patent performs preliminary beam sweeping operations using SRS transmission before actual uplink data transmission. By pre-configuring SRS resources for each transmission unit and performing beam management in advance, the system identifies optimal beams beforehand, ensuring reliable uplink transmission without adding complexity to the actual data transmission process.
2Measurement precision
If SRS is transmitted through multiple beams and multiple SRS resources, then beam management precision is improved, but resource allocation overhead increases
Solution Approach 1:
The patent applies local quality by configuring SRS resources specifically for each transmission unit with identification information that locally identifies the associated reception unit. This localized configuration enables precise beam management for each specific transmission unit without requiring system-wide resource allocation, thereby improving beam management precision while controlling resource overhead through targeted, unit-specific resource assignment.
3Measurement precision
If beam sweeping operation is performed without transmission unit consideration, then operation simplicity is maintained, but uplink synchronization accuracy deteriorates
Solution Approach 1:
The patent segments the beam sweeping operation into transmission unit-specific operations, where each transmission unit performs beam sweeping independently using its configured SRS resources. This segmentation improves uplink synchronization accuracy by enabling precise beam alignment for each transmission unit, while the automated resource configuration based on identification information maintains operational simplicity through systematic resource management.
4Reliability
If identification information for reception units is configured for each SRS resource set, then beam management reliability is improved, but device complexity increases
Solution Approach 1:
The patent performs preliminary configuration of identification information for reception units in each SRS resource set before actual beam management operations. This preliminary configuration establishes reliable associations between transmission units and reception units in advance, ensuring beam management reliability. The configuration is performed once during system setup, avoiding repeated complexity during operation while maintaining reliable beam management throughout system operation.
Data Source
AI summary
The present specification relates to a method for performing uplink transmission in a wireless communication system. More particularly, a method for transmitting, by a terminal, a sounding reference signal (SRS) for beam management in a wireless communication system may comprise the steps of: receiving SRS configuration information configured in units of transmission units for uplink transmission; and transmitting the SRS through a specific transmission unit determined on the basis of the SRS configuration information. The SRS configuration information may include configuration information relating to a reception unit for downlink reception associated with the specific transmission unit.