Reference Signal Burst Processing for Channel Time Domain Properties
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless network standards do not adequately exploit a channel's time-domain correlation for channel state information (CSI) reporting, leading to inefficient resource allocation, increased power consumption, and reduced accuracy in adapting to varying channel conditions.
Innovation Solution
The proposed solution involves user equipment (UE) processing designs that exploit channel time-domain properties by transmitting reference signals in bursts, allowing for enhanced CSI reporting, which includes configuring CSI measurements over a burst of reference signals and scheduling CSI reports with appropriate processing time requirements to capture time-domain correlations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If reference signals are transmitted continuously to maintain accurate channel state information, then measurement precision is improved, but use of energy by user equipment increases
Solution Approach 1:
The patent implements periodic transmission of reference signals in bursts rather than continuous transmission. The base station transmits reference signal bursts at specific intervals, and the UE performs CSI measurements only during these burst periods. This periodic action maintains measurement capability while significantly reducing power consumption compared to continuous monitoring, as the UE can enter low-power states between bursts.
Solution Approach 2:
The base station transmits reference signal bursts in advance of when CSI reporting is needed. By providing reference signals beforehand in predictable bursts, the UE has sufficient time to perform measurements and prepare CSI reports without needing to continuously monitor the channel, enabling power-saving modes while maintaining measurement accuracy when needed.
2Use of energy by moving object
If reference signals are transmitted in bursts to reduce power consumption, then use of energy by user equipment is reduced, but measurement precision deteriorates
Solution Approach 1:
The patent segments the reference signal transmission into distinct bursts containing multiple reference signals. Each burst is structured with multiple reference signals that can be used for averaged measurements, improving precision within the burst framework. The segmentation allows the UE to concentrate measurement resources on these structured bursts rather than dispersing effort across continuous transmission.
Solution Approach 2:
The patent combines multiple reference signals within each burst to enable aggregated measurements. By merging multiple reference signal transmissions in temporal proximity, the system achieves measurement precision equivalent to or better than continuous transmission, while the burst structure itself reduces overall power consumption. The UE can combine measurements from multiple signals within a burst for more accurate CSI estimation.
3Adaptability or versatility
If CSI measurements are performed over burst of reference signals to capture time-domain correlation, then adaptability to channel conditions is improved, but device complexity increases
Solution Approach 1:
The patent implements dynamic CSI reporting where the UE adapts its measurement and reporting behavior based on detected channel conditions. By measuring CSI over bursts of reference signals, the UE captures time-domain correlation and dynamically adjusts reporting frequency and content. This dynamic approach improves adaptability to varying channel conditions while managing complexity through event-triggered reporting rather than continuous processing.
Solution Approach 2:
The UE autonomously determines when to perform CSI measurements and reporting based on the received reference signal bursts and channel conditions. The device self-manages the complexity of processing by intelligently activating measurement functions only when reference signal bursts are detected and when channel conditions warrant reporting, rather than maintaining constant processing complexity. This self-service approach reduces average complexity while maintaining adaptability.
Data Source
AI summary
The present application relates to devices and components including apparatus, systems, and methods for user equipment related design concepts for channel state information enhancement to exploit channel time-domain properties.