Terminal Device TRS Availability via Physical Layer Signaling
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Solution Overview
Problem
In wireless communication systems, terminal devices face challenges in accurately determining the availability of tracking reference signals (TRS) or channel state information reference signals (CSI-RS) for synchronization, leading to potential power inefficiencies and reduced synchronization accuracy due to separate indication of configuration and availability information.
Innovation Solution
A communication method and apparatus that enable terminal devices to acquire availability information of TRS/CSI-RS through physical layer signaling, allowing for determination of signal availability based on configuration information within system information, thereby optimizing synchronization processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If separate indication of configuration and availability information is used, then device complexity is reduced, but synchronization accuracy deteriorates
Solution Approach 1:
The patent combines configuration information and availability information into a unified indication mechanism. The network device configures reference signals and indicates their availability through integrated system information or dedicated signaling, allowing the terminal to determine both configuration and availability simultaneously, thereby improving synchronization accuracy without significantly increasing device complexity.
2Use of energy by moving object
If TRS/CSI-RS is configured closer to paging occasion, then power consumption is reduced, but synchronization reliability deteriorates
Solution Approach 1:
The patent enables the terminal to determine the availability of TRS/CSI-RS in advance through system information or dedicated signaling before the actual synchronization process. This preliminary indication allows the terminal to prepare for synchronization with higher reliability while still benefiting from the power savings of configuring reference signals closer to the paging occasion, as the terminal can wake up later and acquire availability information efficiently.
Data Source
AI summary
A communication method, apparatus and computer readable storage medium that improves device performance in a wireless communication system. The device performance is improved by: a terminal device receiving broadcast system information; and the terminal device acquiring availability information of a specific reference signal from the system information according to an availability indication based on physical layer signaling, where the availability indication based on physical layer signaling refers to the terminal device acquiring the availability information by means of physical layer signaling.