LTE-to-NR Sidelink Sensing Sharing for Better Resource Selection
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently sharing sensing results between LTE and NR sidelinks within the same user equipment (UE), leading to suboptimal resource allocation and utilization.
Innovation Solution
Implementing methods and systems for intra-UE information sharing between LTE and NR sidelink modules, where the NR sidelink module requests or autonomously receives LTE sidelink sensing results to enhance resource selection and utilization, including configuring and interpreting parameters such as resource allocation mode, sensing windows, and RSRP thresholds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If LTE sidelink sensing results are shared with NR sidelink module, then resource selection efficiency is improved, but device complexity increases
Solution Approach 1:
The patent merges sensing operations across LTE and NR sidelink modules by sharing sensing results between different radio access technologies within the same UE. The LTE sidelink module's sensing results (including resource availability, interference levels, and channel state information) are combined with NR sidelink resource selection processes, enabling unified resource management that improves overall resource selection efficiency while leveraging existing sensing capabilities in both modules.
Solution Approach 2:
The sensing mechanism is designed to serve multiple purposes across different sidelink technologies. The same sensing infrastructure and processing logic in the LTE module are made universally applicable to NR sidelink operations, allowing a single sensing result set to inform resource selection for both LTE and NR modes. This multi-functional approach reduces redundant sensing operations and minimizes the additional complexity introduced by cross-technology sharing.
2Measurement precision
If explicit requests for LTE sensing results are transmitted, then information accuracy is improved, but loss of time increases
Solution Approach 1:
The NR sidelink module proactively requests LTE sensing results in advance of actual resource selection needs, and the LTE module maintains sensing results in a ready-to-share format continuously or periodically. This preliminary preparation ensures that when the NR module needs sensing information, the data is already available or nearly available, reducing the effective latency of the request-response cycle while maintaining accurate, up-to-date sensing information.
Solution Approach 2:
The system implements a feedback mechanism where the NR sidelink module receives LTE sensing results and provides feedback on resource selection outcomes. This feedback loop allows the LTE module to refine its sensing operations and timing, optimizing the balance between providing accurate sensing information and minimizing the time overhead for information exchange between modules.
Data Source
AI summary
Methods, systems, devices, and computer programs for information sharing between an LTE sidelink module of a UE and an NR sidelink module of the UE are disclosed. In one aspect, a method can include actions of receiving, by the NR sidelink module of the UE, LTE sensing results autonomously provided by the LTE sidelink module of the UE, and interpreting, by the NR sidelink module of the UE, the received LTE sensing results autonomously provided by the LTE sidelink module of the UE.