Dynamic Cell Feature Selection for Latency-Aware Wireless Coordination
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Solution Overview
Problem
Existing 3GPP LTE-A networks face challenges in efficiently selecting and configuring mobile features based on latency measurements between cells, particularly in heterogeneous networks, which affects network performance and efficiency.
Innovation Solution
Implementing a system and method for dynamic feature selection using latency discovery messages, such as X2 Latency Discovery Request and Response, to determine the latency between cells and enable coordinated wireless services like CoMP, CA, and DC based on real-time latency measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If dynamic feature selection is implemented based on real-time latency measurements, then network performance and efficiency are improved, but system complexity increases due to additional latency discovery procedures and feature evaluation mechanisms
Solution Approach 1:
The patent implements dynamic feature selection by enabling eNBs to switch between different mobile features (CoMP, CA, DC) based on real-time latency measurements. The system dynamically adjusts the feature set according to changing network conditions rather than using static configurations, thereby optimizing network efficiency adaptively.
Solution Approach 2:
The patent employs feedback mechanisms where eNBs measure latency values through message exchanges and use this information to determine which mobile features to enable. The latency measurement results feed back into the feature selection process, creating a closed-loop system that continuously optimizes performance based on actual network conditions.
2Measurement precision
If latency discovery messages are exchanged between cells to determine latency values, then accurate latency measurement is achieved, but message exchange overhead and processing time increase
Solution Approach 1:
The patent applies partial action by exchanging only the necessary latency discovery messages to obtain sufficient latency information for feature selection, rather than performing comprehensive measurements. The system uses targeted message exchanges (Latency Discovery Request/Response) that provide adequate measurement data without excessive overhead.
3Reliability
If multiple mobile features (CoMP, CA, DC) are evaluated and selected dynamically, then service quality and coverage are improved, but configuration complexity and processing requirements increase
Solution Approach 1:
The patent uses parameter changes by evaluating different mobile features based on latency threshold comparisons. The system changes the operational parameters (feature enablement status) according to measured latency values, transitioning between feature sets (CoMP, CA, DC) based on objective latency criteria rather than complex configuration algorithms.
Data Source
AI summary
Aspects of the subject disclosure include, for example, identifying a primary serving cell and a secondary serving cell, wherein the primary serving cell facilitates one of attachment, re-attachment or mobility, or any combination thereof, of a mobile device in association with coordination of a wireless service between the primary serving cell, the secondary serving cell and the mobile device. A latency value associated with a message exchange is determined between the primary and secondary serving cells via a messaging interface, and compared to latency requirements, which correspond to a group of mobile service features. A mobile service feature of the group is associated with the wireless service based on the comparison. The wireless service includes a coordinated exchange of wireless signals between the primary serving cell and the mobile device and between the secondary serving cell and the mobile device based on the mobile service feature. Other embodiments are disclosed.