V2X Link Measurement and Monitoring for Beam Quality Control
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Solution Overview
Problem
Existing wireless communication technologies face challenges in supporting enhanced mobile broadband, ultra-low latency, and massive connectivity for vehicular device-to-device links, particularly in managing link measurements and maintaining quality in dynamic vehicular environments.
Innovation Solution
Implementing methods and systems for generating sequences of reference signals in 5G and NR communication systems, including UE autonomous and base station-controlled device-to-device link measurements, monitoring, and maintenance procedures, utilizing CSI-RS, SRS, and DMRS for beam management and quality assessment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If device-to-device link measurement procedures are implemented in vehicular communications, then link quality management is improved, but device complexity and processing overhead increase
Solution Approach 1:
The patent enables user equipment to autonomously perform device-to-device link measurements and maintain links without continuous network control. The UE self-configures measurement parameters, autonomously selects reference signals, and independently manages link quality assessments, reducing network-side processing requirements while improving link reliability through distributed intelligence
Solution Approach 2:
The measurement procedure is divided into distinct functional components: configuration reception, reference signal identification, measurement execution, and link maintenance. Each component operates independently with defined interfaces, allowing modular implementation that reduces overall system complexity while maintaining comprehensive link quality management
2Productivity
If autonomous UE measurement procedures are implemented, then network control overhead is reduced, but measurement precision and coordination may deteriorate
Solution Approach 1:
The patent implements feedback mechanisms where measurement results are reported between communicating UEs and used to adjust subsequent measurement configurations and transmissions. This closed-loop approach ensures that autonomous measurements maintain precision through continuous validation and adaptation based on actual link conditions
Solution Approach 2:
The network provides preliminary measurement configurations and reference signal assignments before autonomous measurements begin. This pre-configuration ensures that UEs have the necessary parameters and resources to perform precise measurements independently, combining network guidance with autonomous execution
3Reliability
If link monitoring and maintenance procedures are implemented, then connection reliability is improved, but energy consumption increases
Solution Approach 1:
The patent implements periodic link monitoring where UEs perform measurements at configured intervals rather than continuously. This periodic approach maintains connection reliability by detecting link degradation events while significantly reducing energy consumption compared to continuous monitoring, allowing devices to enter low-power states between measurement periods
Data Source
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AI summary
Methods, systems, and devices for link measurements of vehicular device-to-device links in mobile communication technology are described. An exemplary method for wireless communication includes receiving, by a first wireless device, a device-to-device link measurement configuration, and performing a device-to-device link measurement procedure. Another exemplary method for wireless communication includes receiving, by a first wireless device, a device-to-device link monitoring configuration, and performing a device-to-device link monitoring procedure. Yet another exemplary method for wireless communication includes receiving, by a first wireless device, a device-to-device link maintenance configuration, and performing a device-to-device link maintenance procedure.