Configuring Active TCI States for Wireless Signal Detection
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently configuring transmission configuration states, particularly in detecting downlink beamformed signals, due to limitations in managing multiple active transmission configuration states and reference signals, which affects the reliability and efficiency of communication.
Innovation Solution
The method involves a user equipment (UE) transmitting data on supported active transmission configuration states to an access point, receiving a response, and determining the active states based on this, allowing for the detection of downlink beamformed signals. This process includes configuring transmission configuration indicator (TCI) states to manage multiple triggers for reference signals, such as aperiodic channel state information reference signals (A-CSI-RS), optimizing the number of active states according to the UE's capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple active transmission configuration states are configured to detect downlink beamformed signals, then the UE's detection capability and communication reliability are improved, but the complexity of managing and configuring these states increases
Solution Approach 1:
The patent segments the configuration management into two distinct phases: capability indication phase (where UE reports supported TCI states) and active state configuration phase (where access point selects and configures active states). This segmentation reduces the complexity of managing multiple active states by establishing clear boundaries between capability declaration and active configuration.
Solution Approach 2:
The patent implements a feedback mechanism where the UE transmits capability information about supported TCI states to the access point, which then uses this feedback to configure appropriate active states. This feedback loop ensures that the configuration is tailored to UE capabilities, reducing management complexity while maintaining reliable detection.
2Adaptability or versatility
If the UE indicates support for multiple TCI states, then the detection of downlink beamformed signals is enhanced, but the message transmission and configuration processing time increases
Solution Approach 1:
The patent applies preliminary action by having the UE indicate its capability for multiple TCI states in advance, before the actual signal detection occurs. This capability indication is transmitted beforehand, allowing the access point to pre-configure appropriate active states, thereby reducing processing time during actual signal detection operations.
3Productivity
If the access point configures multiple active TCI states corresponding to multiple reference signals, then the communication efficiency is improved, but the number of configuration messages and processing overhead increases
Solution Approach 1:
The patent applies universality by enabling a single capability indication message from the UE to serve multiple purposes: it simultaneously indicates support for multiple TCI states, triggers the access point to configure multiple active states, and establishes the basis for efficient signal detection. This multi-functional approach reduces the need for separate configuration messages for each aspect.
Data Source
AI summary
Aspects described herein relate to configuring transmission configuration states in wireless communications. A capability of a number of transmission configuration states supported for detecting downlink beamformed signals can be indicated. One or more configurations of active transmission configuration states can be received from at least an access point and based on the capability. The one or more configurations can be processed to determine the active transmission configuration states, where at least one of the active transmission configuration states in the one or more configurations corresponds to a distinct state of a given reference signal. One or more downlink beamformed signals received from the access point can be detected based on processing the one or more configurations.