Configurable PRB Bundling for Channel Estimation Flexibility
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Solution Overview
Problem
The existing LTE system's channel estimation quality improvement is limited by reduced flexibility and performance, necessitating enhanced methods for channel estimation.
Innovation Solution
The network side determines configurable time-domain configuration information for Physical Resource Block (PRB) bundling parameters and transmits them to terminals for channel estimation and demodulation, allowing for flexible application in both frequency and time domains.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If PRB bundling is applied to improve channel estimation quality, then channel estimation quality is improved, but flexibility is limited
Solution Approach 1:
The patent makes the PRG size configurable and adjustable through higher layer signaling, allowing the system to dynamically adapt the PRB bundling size according to channel conditions and service requirements, thereby resolving the contradiction between maintaining channel estimation quality and preserving system flexibility
Solution Approach 2:
The patent introduces configurable parameters (PRG size, PRB bundling configuration) that can be modified through higher layer signaling to optimize channel estimation performance while maintaining flexibility, allowing the system to adapt to different scenarios without being constrained by fixed bundling sizes
2Measurement precision
If PRB bundling is applied to improve channel estimation quality, then channel estimation quality is improved, but performance is limited
Solution Approach 1:
The patent enables dynamic adjustment of PRB bundling configuration through higher layer signaling, allowing the system to optimize performance by adapting the bundling size to match channel coherence bandwidth and service requirements, thereby preventing performance degradation that would result from fixed bundling configurations
Solution Approach 2:
The patent modifies system parameters (PRG size, bundling configuration) to be configurable rather than fixed, enabling optimization of both channel estimation quality and overall system performance by selecting appropriate parameter values based on channel conditions and service types
Data Source
AI summary
Disclosed are a beam forming and transmission method and a network device, for resolving the defects of limited flexibility and performance in prior art methods for improving the quality of channel estimation. The method comprises: a network side determining the configuration information of physical resource block (PRB) bundling parameters, the time domain configuration information of the configuration information of said PRB bundling parameters being configurable; the network side sending the configuration information of the PRB bundling parameters to a terminal so that after having received the configuration information of the PRB bundling parameters, the terminal uses a precoding mode corresponding to the configuration information of the PRB bundling parameters to perform channel estimation and demodulation.