Coverage Enhancement Level Determination via Enhanced Reporting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing random access channel and connection establishment failure reporting, particularly in self-organizing networks with a large number of machine-type communication devices, where existing methods lack precision in determining the starting coverage enhancement level, leading to ambiguity and suboptimal network performance.
Innovation Solution
A method and apparatus for user equipment (UE) to receive an information request from a network node and send a message that allows the node to determine the starting coverage enhancement level of the random access procedure, incorporating enhanced reporting mechanisms to clarify the number of preambles used and CE levels traversed during successful or failed procedures, thereby disambiguating CE levels and improving network operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing reporting methods are used in self-organizing networks with large numbers of MTC devices, then network coverage can be maintained, but precision in determining the starting coverage enhancement level is insufficient, leading to ambiguity and suboptimal network performance
Solution Approach 1:
The reporting mechanism is segmented into multiple components: a first field indicating the number of random access preambles and a second field indicating the number of message three transmissions. This segmentation allows the network to precisely determine the starting CE level by analyzing specific parts of the report rather than relying on ambiguous overall information.
Solution Approach 2:
The patent implements a feedback mechanism where the UE reports detailed information about its random access procedure (number of preambles, number of message three transmissions, CE levels traversed) back to the network. The network uses this feedback to accurately determine the starting CE level and optimize network performance, creating a closed-loop system that eliminates information ambiguity.
2Productivity
If detailed reporting of preambles and CE levels is implemented, then network performance and optimization are improved, but the complexity of the reporting mechanism increases
Solution Approach 1:
The enhanced reporting mechanism is designed to be universal and can be applied across different CE levels and random access scenarios. The same reporting structure (first field for preambles, second field for message three transmissions) works universally to determine starting CE levels regardless of the specific network conditions or UE capabilities, simplifying implementation despite the detailed information collected.
Solution Approach 2:
The UE performs preliminary counting and recording of random access preambles and message three transmissions during the random access procedure itself. This preliminary action ensures that when the report is generated, all necessary information is already prepared and organized, reducing the complexity of report generation and processing while maintaining high network operation efficiency.
3Reliability
If the number of random access preambles and message three transmissions are reported, then ambiguity in CE levels is resolved, but the amount of information to be processed increases
Solution Approach 1:
The patent extracts only the most critical information elements needed for determining the starting CE level: the number of random access preambles and the number of message three transmissions. By taking out and reporting only these essential parameters rather than all possible random access details, the mechanism achieves high accuracy in CE level determination while keeping the information volume manageable and processing efficient.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Certain aspects of the present disclosure relate generally to communication systems, and more particularly, to enhanced reporting by user equipment (UE). An example method generally includes receiving an information request from a network node and in response, sending a message to the network node, wherein the message comprises information that allows the network node to determine a starting coverage enhancement (CE) level of the UE.